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    <div style="text-align: center;"><font style="font-weight: bold;">As filed with the Securities and Exchange Commission on August 2, 2019 </font><br>
    </div>
    <div style="text-align: right; font-family: 'Times New Roman',Times,serif; font-weight: bold;">Registration No. 333-</div>
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    <div>&#160;</div>
    <div style="text-align: center;"><font style="font-weight: bold;">UNITED STATES </font><br>
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    <div style="text-align: center;"><font style="font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</font> <br>
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    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">Washington, D.C. 20549</div>
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    <div style="text-align: center;"><font style="font-weight: bold;">FORM S-8</font> <br>
    </div>
    <div style="text-align: center;"><font style="font-weight: bold;">REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933</font> <br>
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    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">GREENHILL &amp; CO., INC.</div>
    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">(Exact name of registrant as specified in its charter)</div>
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            <td style="width: 50%; text-align: center;"><font style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">Delaware<br>
              </font>(State or other jurisdiction of incorporation or organization)<br>
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              <div><font style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">51-0500737</font><br>
                (I.R.S. Employer Identification No.)</div>
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              <div style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">300 Park Avenue</div>
              <div><font style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">New York, New York</font><br>
                <font style="font-family: 'Times New Roman',Times,serif;">(Address of Principal Executive Offices)</font></div>
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              <div><font style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">10022</font><br>
                <font style="font-family: 'Times New Roman',Times,serif;">(Zip Code)</font></div>
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    <div style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">&#160;
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      <div style="text-align: center;">GREENHILL &amp; CO., INC. 2019 EQUITY INCENTIVE PLAN</div>
    </div>
    <div style="text-align: center; font-family: 'Times New Roman',Times,serif;">(Full title of the plan)</div>
    <div style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">
      <div style="text-align: center;">
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      <div style="text-align: center;">Harold J. Rodriguez, Jr.<br>
        Chief Financial Officer</div>
    </div>
    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">Greenhill &amp; Co., Inc.</div>
    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">300 Park Avenue</div>
    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">New York, New York 10022</div>
    <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">(212) 389-1500</div>
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    <div style="text-align: center; font-family: 'Times New Roman',Times,serif;">(Name, address and telephone number, including area code, of agent for service)</div>
    <div>&#160;</div>
    <div style="font-family: 'Times New Roman',Times,serif;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the
      definitions of <font style="color: rgb(0, 0, 0);">&#8220;</font>large accelerated filer,<font style="color: rgb(0, 0, 0);">&#8221;</font>&#160;<font style="color: rgb(0, 0, 0);">&#8220;</font>accelerated filer,<font style="color: rgb(0, 0, 0);">&#8221;</font>&#160;<font style="color: rgb(0, 0, 0);">&#8220;</font>smaller reporting company<font style="color: rgb(0, 0, 0);">&#8221;</font> and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</div>
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            <div style="font-family: 'Times New Roman',Times,serif;">Large accelerated filer</div>
          </td>
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            <div style="font-family: 'Segoe UI Symbol',sans-serif;">&#9744;</div>
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            <div style="font-family: 'Times New Roman',Times,serif;">Accelerated filer</div>
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            <div style="font-family: 'Segoe UI Symbol',sans-serif;">&#9745;</div>
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            <div style="font-family: 'Times New Roman',Times,serif;">Non-accelerated filer</div>
          </td>
          <td style="width: 3.58%; vertical-align: top;">
            <div style="font-family: 'Segoe UI Symbol',sans-serif;">&#9744;</div>
          </td>
          <td style="width: 35.75%; vertical-align: top;">&#160;</td>
          <td style="width: 22.73%; vertical-align: top;">
            <div style="font-family: 'Times New Roman',Times,serif;">Smaller reporting company</div>
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          <td style="width: 18.29%; vertical-align: top;">
            <div style="font-family: 'Segoe UI Symbol',sans-serif;">&#9744;</div>
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          <td style="width: 35.75%; vertical-align: top;">&#160;</td>
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            <div style="font-family: 'Times New Roman',Times,serif;">Emerging growth company</div>
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            <div style="font-family: 'Segoe UI Symbol',sans-serif;">&#9744;</div>
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    <div style="color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
      accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.&#160; <font style="font-family: 'Segoe UI Symbol',sans-serif;">&#9744;</font></div>
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        <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif; font-weight: bold;">CALCULATION OF REGISTRATION FEE</div>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif; font-weight: bold;">Title of Securities to be Registered</div>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif; font-weight: bold;">Amount to be<br>
                  Registered<sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(1) (3)</sup></div>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif; font-weight: bold;">Proposed<br>
                  Maximum Offering<br>
                  Price Per Share<sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(2)</sup></div>
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              <td style="width: 17.65%; vertical-align: bottom; border-left: #000000 1px solid; border-right: #000000 1px solid; border-top: #000000 1px solid; border-bottom: #000000 1px solid;">
                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif; font-weight: bold;">Proposed Maximum<br>
                  Aggregate<br>
                  Offering Price<sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(2)</sup></div>
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              <td style="width: 17.65%; vertical-align: bottom; border-left: #000000 1px solid; border-right: #000000 1px solid; border-top: #000000 1px solid; border-bottom: #000000 1px solid;">
                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif; font-weight: bold;">Amount of<br>
                  Registration Fee</div>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif;">Common stock, par value $0.01 per share</div>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif;">9,932,402</div>
              </td>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif;">$15.47</div>
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                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif;">$ 153,654,258.94</div>
              </td>
              <td style="width: 17.65%; vertical-align: bottom; border-left: #000000 1px solid; border-right: #000000 1px solid; border-top: #000000 1px solid; border-bottom: #000000 1px solid;">
                <div style="text-align: center; color: rgb(0, 0, 0); font-family: 'Times New Roman',Times,serif;">$18,622.90</div>
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                  <td style="width: 36pt; vertical-align: top; align: right; color: #000000;">(1)</td>
                  <td style="width: auto; vertical-align: top;">
                    <div style="color: #000000;">In accordance with Rule 416(a) under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), this registration statement shall be deemed to cover any additional shares of the registrant&#8217;s common stock
                      (the &#8220;Common Stock&#8221;) that may from time to time be offered or issued to prevent dilution resulting from stock splits, stock dividends or similar transactions.</div>
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                  <td style="width: 36pt; vertical-align: top; align: right; color: #000000;">(2)</td>
                  <td style="width: auto; vertical-align: top;">
                    <div><font style="color: #000000;">Estimated pursuant to Rule 457(c) and Rule 457(h) under the Securities Act, solely for the purpose of computing the registration fee, based on the average of the high and low prices of the securities
                        being registered hereby on the New York Stock Exchange on </font>July <font style="color: #000000;">29, 2019.</font></div>
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        <div>&#160;</div>
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                  <td style="width: 36pt; vertical-align: top; align: right; color: #000000;">(3)</td>
                  <td style="width: auto; vertical-align: top;">
                    <div style="color: #000000;">Includes (i) 6,500,000 shares of the registrant&#8217;s Common Stock that may be issued under the Greenhill &amp; Co., Inc. 2019 Equity Incentive Plan (the &#8220;2019 Plan&#8221;), (ii) 2,251,974 shares of the registrant&#8217;s
                      Common Stock that were not issued under the Greenhill &amp; Co., Inc. Equity Incentive Plan, as amended and restated (the &#8220;EIP&#8221;), as of the effective date of the 2019 Plan that may now be offered or sold under the 2019 Plan, and (iii)
                      1,180,428 shares of Common Stock representing the registrant&#8217;s estimate of future shares that are forfeited, canceled, terminated, fail to vest or are otherwise not paid or delivered under the EIP that will become available for future
                      issuance under the 2019 Plan.</div>
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        <div>&#160;</div>
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        <div style="text-align: center; font-weight: bold;">PART I</div>
        <div style="text-align: center; font-weight: bold;">&#160;</div>
        <div style="text-align: center; font-weight: bold;">INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</div>
        <div>&#160;</div>
        <div style="text-indent: 14.95pt;">The information specified in Item 1 and Item 2 of Part I of the Registration Statement on Form S-8 (the &#8220;Registration Statement&#8221;) is omitted from this filing in accordance with the provisions of Rule 428 under the
          Securities Act and the introductory note to Part I of the Registration Statement. The documents containing the information specified in Part I will be sent or given to the participants in the plan covered by this Registration Statement as
          required by Rule 428(b)(1) under the Securities Act.</div>
        <div>&#160;</div>
        <div><br>
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        <div style="text-align: center; font-weight: bold;">PART II <br>
        </div>
        <div style="font-weight: bold;"><br>
        </div>
        <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</div>
        <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;"> <br>
        </div>
        <div style="font-family: 'Times New Roman',Times,serif; font-weight: bold;">ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE</div>
        <div>&#160;</div>
        <div style="text-indent: 14.95pt;">The following documents filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) by Greenhill &amp; Co., Inc. (the &#8220;Company&#8221;) pursuant to the Securities Act and the Securities Exchange Act of 1934, as
          amended (the &#8220;Exchange Act&#8221;), are incorporated herein by reference.</div>
        <div>&#160;</div>
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                  <div style="margin-left: 13.5pt;"><a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000005/ghl-12312018x10k.htm">(1)</a></div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div style="text-indent: 7.35pt;"><a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000005/ghl-12312018x10k.htm">The Company&#8217;s annual report on Form 10-K for the fiscal year ended December 31, 2018 filed with the
                      Commission on March 1, 2019.</a></div>
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                  <div style="margin-left: 13.5pt;"><a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000017/a10qq12019n.htm">(2)</a></div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div style="text-indent: 7.35pt;"><a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000017/a10qq12019n.htm">The Company&#8217;s quarterly report on Form 10-Q for the quarter ended March 31, 2019 filed with the Commission on
                      May 10, 2019.</a></div>
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                  <div style="margin-left: 13.5pt;">(3)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div style="text-indent: 7.35pt;">The Company&#8217;s current reports on Form 8-K filed with the Commission on <a href="http://www.sec.gov/Archives/edgar/data/1282977/000119312519108001/d733651d8k.htm">April 17, 2019</a>, <a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000010/a8k2019shareholdersmeeting.htm">April 25, 2019</a> and <a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000019/nyclease8k.htm">May 21, 2019</a>.</div>
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        <div>&#160; <br>
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                  <div style="margin-left: 13.5pt;"><a href="http://www.sec.gov/Archives/edgar/data/1282977/000095013604001211/file001.htm">(4)</a></div>
                </td>
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                  <div style="text-indent: 6.95pt;"><a href="http://www.sec.gov/Archives/edgar/data/1282977/000095013604001211/file001.htm">The description of the Company&#8217;s Common Stock contained in the Company&#8217;s Registration Statement on Form 8-A, filed
                      with the Commission on April 20, 2004 (Registration No. 001-32147), including any amendments or supplements thereto.</a></div>
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        <div>&#160;</div>
        <div style="text-indent: 14.95pt;">All documents subsequently filed by the Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of a post-effective amendment which indicates that all securities offered
          have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of filing of such documents.</div>
        <div>&#160; <br>
        </div>
        <div style="text-indent: 14.95pt;">Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a
          statement contained herein, (or in any other subsequently filed document which also is incorporated or deemed to be incorporated by reference herein), modifies or supersedes such statement. Any such statement so modified or superseded shall not
          be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.</div>
        <div>&#160;</div>
        <div><font style="font-weight: bold;">ITEM 4. DESCRIPTION OF SECURITIES</font><br>
        </div>
        <div>&#160;</div>
        <div style="text-indent: 14.95pt;">Not applicable.</div>
        <div>&#160;</div>
        <div style="font-weight: bold;">ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL</div>
        <div>&#160; <br>
        </div>
        <div style="text-indent: 14.95pt;">Not applicable.</div>
        <div>&#160;</div>
        <div> <br>
        </div>
        <br>
        <div> <br>
        </div>
        <div id="DSPFPageBreakArea" style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
          <div id="DSPFPageFooter"></div>
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            <div><br>
            </div>
          </div>
        </div>
        <div style="font-weight: bold;">ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS</div>
        <div>&#160; <br>
        </div>
        <div style="text-indent: 14.95pt;">Section 145 of the Delaware General Corporation Law provides that a corporation may indemnify directors and officers as well as other employees and individuals against expenses (including attorneys&#8217; fees),
          judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with any threatened, pending or completed actions, suits or proceedings in which such person is made a party by reason of such person
          being or having been a director, officer, employee or agent to the Company. The Delaware General Corporation Law provides that Section 145 is not exclusive of other rights to which those seeking indemnification may be entitled under any bylaw,
          agreement, vote of stockholders or disinterested directors or otherwise. Article Ninth of the Company&#8217;s Amended and Restated Certificate of Incorporation provides for indemnification by the Company of its directors and officers to the fullest
          extent permitted by the Delaware General Corporation Law. Article 5 of the Company&#8217;s Amended and Restated Bylaws provides that the Company shall, as permitted by the Amended and Restated Certificate of Incorporation and to the fullest extent
          permitted by applicable law as then in effect, indemnify any person who was or is involved in any manner (including, without limitation, as a party or a witness), or is threatened to be made so involved, in any threatened, pending or completed
          investigation, claim, action, suit or proceeding, whether civil, criminal, administrative, or investigative by reason of the fact that he is or was a director, officer, senior advisor or employee of the Company, or is or was serving at the
          request of the Company as a director, officer, senior advisor or employee of another corporation, partnership, joint venture, trust or other enterprise, against all expenses (including attorneys&#8217; fees), judgments, fines and amounts paid in
          settlement actually and reasonably incurred by such indemnified person in connection with such proceeding (or part thereof). Each such indemnified person shall also have the right to receive payment in advance of any expenses incurred by such
          indemnified person in connection with such proceeding, consistent with the provisions of applicable law as then in effect.</div>
        <div>&#160;</div>
        <div style="text-indent: 14.95pt;">Section 102(b)(7) of the Delaware General Corporation Law permits a corporation to provide in its certificate of incorporation that a director of the corporation shall not be personally liable to the corporation
          or its stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (i) for any breach of the director&#8217;s duty of loyalty to the corporation or its stockholders, (ii) for acts or omissions not in good faith or
          which involve intentional misconduct or a knowing violation of law, (iii) for unlawful payments of dividends or unlawful stock repurchases, redemptions or other distributions, or (iv) for any transaction from which the director derived an
          improper personal benefit. The Company&#8217;s Amended and Restated Certificate of Incorporation provides for such limitation of liability to the fullest extent permitted by the Delaware General Corporation Law.</div>
        <div>&#160; <br>
        </div>
        <div style="text-indent: 14.95pt;">The Company maintains standard policies of insurance under which coverage is provided (a) to its directors and officers against loss rising from claims made by reason of breach of duty or other wrongful act, while
          acting in their capacity as directors and officers of the Company, and (b) to the Company with respect to payments which may be made by the Company to such officers and directors pursuant to any indemnification provision contained in the
          Company&#8217;s Amended and Restated Certificate of Incorporation or otherwise as a matter of law.</div>
        <div><br>
        </div>
        <div style="font-weight: bold;">ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED</div>
        <div>&#160;</div>
        <div style="text-indent: 14.95pt;">Not applicable.</div>
        <div><br>
        </div>
        <div style="font-weight: bold;">ITEM 8. EXHIBITS</div>
        <div><br>
        </div>
        <table cellspacing="0" cellpadding="3" border="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;" id="ze3e4641ed1a4461c8cfdf81122516457">

            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div style="font-weight: bold;">Exhibit</div>
                <div style="font-weight: bold;"> <u>Number</u></div>
              </td>
              <td style="width: 91.39%; vertical-align: bottom;">
                <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;"><u>Description</u></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="http://www.sec.gov/Archives/edgar/data/1282977/000095013604001371/file003.htm">4.1</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="http://www.sec.gov/Archives/edgar/data/1282977/000095013604001371/file003.htm">Amended and Restated Certificate of Incorporation of the Company (incorporated herein by reference to Exhibit 3.1 to the Company&#8217;s Form S-1/A filed
                    on May 5, 2004 (Commission File No. 333-113526)).</a></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="efc19-528_ex42.htm">4.2*</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="efc19-528_ex42.htm">Amended and Restated Bylaws of the Company.</a></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="efc19-528_ex51.htm">5.1*</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="efc19-528_ex51.htm">Opinion of Sidley Austin LLP.</a></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="efc19-528_ex231.htm">23.1*</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="efc19-528_ex231.htm">Consent of Ernst &amp; Young LLP.</a></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="efc19-528_ex51.htm">23.2*</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="efc19-528_ex51.htm">Consent of Sidley Austin LLP (included in Exhibit 5.1).</a></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="#POA">24.1*</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="#POA">Powers of attorney (included on the signature pages hereto).</a></div>
              </td>
            </tr>
            <tr>
              <td style="width: 8.61%; vertical-align: top;">
                <div><a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000017/ex1012019equityincentivepl.htm">99.1</a></div>
              </td>
              <td style="width: 91.39%; vertical-align: top;">
                <div><a href="http://www.sec.gov/Archives/edgar/data/1282977/000128297719000017/ex1012019equityincentivepl.htm">Greenhill &amp; Co., Inc. 2019 Equity Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the Company&#8217;s
                    Quarterly Report on Form 10-Q filed on May 10, 2019).</a></div>
              </td>
            </tr>

        </table>
        <div>&#160;</div>
        <div>*<font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font>Filed herewith.</div>
        <div>&#160;</div>
        <div> <br>
        </div>
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            <div><br>
            </div>
          </div>
        </div>
        <div style="font-weight: bold;">ITEM 9. UNDERTAKINGS</div>
        <div>&#160;</div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zbe92980f5df047cfa975fb5693d6972d">

              <tr>
                <td style="width: 36pt; vertical-align: top; align: right;">
                  <div>(a)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>The undersigned Company hereby undertakes:</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="z8495a2fc71784d04b248fffa3c683886">

              <tr>
                <td style="width: 72pt; vertical-align: top; align: right;">
                  <div style="margin-left: 36pt;">(1)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement:</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="z39d9a0227af546ffa5671276b0b45ca9">

              <tr>
                <td style="width: 108pt; vertical-align: top; align: right;">
                  <div style="margin-left: 72pt;">(i)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>To include any prospectus required by Section 10(a)(3) of the Securities Act&#894;</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="z865ee016810a4045b4c1dbb19adb6e0b">

              <tr>
                <td style="width: 108pt; vertical-align: top; align: right;">
                  <div style="margin-left: 72pt;">(ii)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>To reflect in the prospectus any facts or events arising after the effective date of this Registration Statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental
                    change in the information set forth in this Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was
                    registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of a prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume
                    and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221; table in the effective Registration Statement&#894;</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zfbb4365960394c44ad3e58b8676b2fa9">

              <tr>
                <td style="width: 108pt; vertical-align: top; align: right;">
                  <div style="margin-left: 72pt;">(iii)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>To include any material information with respect to the plan of distribution not previously disclosed in this Registration Statement or any material change to such information in this Registration Statement&#894;</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div style="margin-left: 72pt;">provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to
          the Commission by the Company pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in this Registration Statement.</div>
        <div>&#160;</div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zafefda2362c34ba1baf8b4eaece16c52">

              <tr>
                <td style="width: 72pt; vertical-align: top; align: right;">
                  <div style="margin-left: 41.85pt;">(2)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such
                    securities at that time shall be deemed to be the initial bona fide offering thereof.</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zaa4b4456dbe94994a13fe62ded36eb00">

              <tr>
                <td style="width: 72pt; vertical-align: top; align: right;">
                  <div style="margin-left: 41.85pt;">(3)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zd934e1bdf42b49588408006b62e47ae5">

              <tr>
                <td style="width: 36pt; vertical-align: top; align: right;">
                  <div>(b)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>The undersigned Company hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the Company&#8217;s annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where
                    applicable, each filing of an employee benefit plan&#8217;s annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in this Registration Statement shall be deemed to be a new registration statement
                    relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.</div>
                  <div> <br>
                  </div>
                </td>
              </tr>

          </table>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zb4f9f166f19e4f8c9d36a590c03acde7">

              <tr>
                <td style="width: 36pt; vertical-align: top; align: right;">
                  <div>(c)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Company pursuant to the foregoing provisions, or otherwise, the Company has been
                    advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities
                    (other than the payment by the Company of expenses incurred or paid by a director, officer or controlling person of the Company in the successful defense of any action, suit or proceeding) is asserted by such director, officer or
                    controlling person in connection with the securities being registered, the Company will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
                    question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.</div>
                </td>
              </tr>

          </table>
        </div>
        <br>
        <div><br>
        </div>
        <br>
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                </td>
                <td style="width: auto; vertical-align: top;"><br>
                </td>
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          </table>
        </div>
        <div>&#160;</div>
        <div><br>
        </div>
        <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;">SIGNATURES</div>
        <div>&#160;</div>
        <div><br>
        </div>
        <div style="text-indent: 18pt;">Pursuant to the requirements of the Securities Act, the Company certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration
          Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on the 2nd day of August, 2019. <br>
        </div>
        <div>&#160;
          <table cellspacing="0" cellpadding="0" border="0" style="width: 100%; border-collapse: separate; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">

              <tr>
                <td valign="top" style="width: 50%;">&#160;</td>
                <td valign="top" colspan="3" style="width: 38%;"><strong></strong><font style="font-weight: bold;">GREENHILL &amp; CO., INC</font>.</td>
                <td valign="top" style="width: 12%;">&#160;</td>
              </tr>
              <tr>
                <td valign="top" style="width: 50%;">&#160;</td>
                <td valign="top" style="width: 3%;">&#160;</td>
                <td valign="top" colspan="2" style="width: 35%;">&#160;</td>
                <td valign="top" style="width: 12%;">&#160;</td>
              </tr>
              <tr>
                <td valign="top" align="left" style="width: 50%; padding-bottom: 2px;">
                  <div align="left" style="margin-left: 0pt; text-indent: 0pt; margin-right: 0pt;"><br>
                  </div>
                </td>
                <td valign="top" style="width: 3%; padding-bottom: 2px;">
                  <div align="left" style="margin-left: 0pt; text-indent: 0pt; margin-right: 0pt;">By: </div>
                </td>
                <td valign="top" align="left" style="width: 17.5%; border-bottom: 2px solid rgb(0, 0, 0);">/s/ Harold J. Rodriguez, Jr.</td>
                <td valign="top" align="left" style="width: 17.5%; padding-bottom: 2px;">&#160;</td>
                <td valign="top" style="width: 12%; padding-bottom: 2px;">&#160;</td>
              </tr>
              <tr>
                <td valign="top" style="width: 50%;">&#160;</td>
                <td valign="top" style="width: 3%;">&#160;</td>
                <td valign="bottom" align="left" colspan="2" style="width: 35%;">Name:&#160; Harold J. Rodriguez, Jr.</td>
                <td valign="top" style="width: 12%;">&#160;</td>
              </tr>
              <tr>
                <td valign="top" style="width: 50%;">&#160;</td>
                <td valign="top" style="width: 3%;">&#160;</td>
                <td valign="top" colspan="2" style="width: 35%;">Title:&#160; Chief Financial Officer</td>
                <td valign="top" style="width: 12%;">&#160;</td>
              </tr>
              <tr>
                <td valign="top" style="width: 50%;">&#160;</td>
                <td valign="top" style="width: 3%;">&#160;</td>
                <td valign="top" colspan="2" style="width: 35%;">&#160;</td>
                <td valign="top" style="width: 12%;">&#160;</td>
              </tr>

          </table>
        </div>
        <div style="text-indent: 256.5pt;"><br>
        </div>
        <div>&#160;</div>
        <div> <br>
        </div>
        <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;" id="DSPFPageBreakArea">
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        </div>
        <div> <br>
          <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-weight: bold;"><a name="POA"><!--Anchor--></a>POWER OF ATTORNEY</div>
          <div><br>
          </div>
          <div style="text-indent: 14.95pt;">KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below, constitutes and appoints each of Scott L. Bok and Harold J. Rodriguez, Jr., and each of them, his or her true and lawful
            attorney-in-fact and agent, with full power of substitution and resubstitution, to do any and all acts and things and execute, in the name of the undersigned, any and all instruments which said attorney-in-fact and agent may deem necessary or
            advisable in order to enable the Company to comply with the Securities Act, and any requirements of the Commission in respect thereof, in connection with the filing with the Commission of this Registration Statement on Form S-8 under the
            Securities Act, including specifically but without limitation, power and authority to sign the name of the undersigned to such registration statement, and any amendments to such registration statement (including post-effective amendments), and
            to file the same with all exhibits thereto and other documents in connection therewith, with the Commission and any applicable securities exchange or securities regulatory body, to sign any and all applications, registration statements, notices
            or other documents necessary or advisable to comply with applicable securities laws, including without limitation state securities laws, and to file the same, together with other documents in connection therewith with the appropriate
            authorities, including without limitation state securities authorities, granting unto said attorney-in-fact and agent, full power and authority to do and to perform each and every act and thing requisite or necessary to be done in and about the
            premises, as fully and to all intents and purposes as the undersigned might or could do in person hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute, may lawfully do or cause to be done by virtue
            hereof.</div>
          <div><br>
          </div>
          <div style="text-indent: 14.95pt;">Pursuant to the requirements of the Securities Act, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.</div>
          <div>&#160;</div>
          <div>
            <table cellspacing="0" cellpadding="0" border="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; color: #000000; width: 100%;">

                <tr>
                  <td style="width: 33.33%; text-align: center; vertical-align: top; font-weight: bold; border-bottom: 2px solid rgb(0, 0, 0);">Signature<br>
                  </td>
                  <td style="width: 2%; text-align: center; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
                  <td style="width: 1%; text-align: center; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
                  <td style="width: 1%; text-align: center; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
                  <td colspan="1" style="width: 2%; text-align: center; vertical-align: top; padding-bottom: 2px;">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 2%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%; padding-bottom: 2px;" rowspan="1">Director<br>
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                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 33.33%; padding-bottom: 2px;" rowspan="1">August 2, 2019</td>
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                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 2%;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 2%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%;" rowspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 2%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%; padding-bottom: 2px;" rowspan="1">Director<br>
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                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 33.33%; padding-bottom: 2px;" rowspan="1">August 2, 2019</td>
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                  <td style="width: 33.33%; border-bottom: 2px solid rgb(0, 0, 0);" rowspan="1">/s/ Karen P. Robards</td>
                  <td style="width: 2%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
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                  <td style="width: 33.33%; padding-bottom: 2px;" rowspan="1">Director<br>
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                  <td style="width: 1%; padding-bottom: 2px;" rowspan="1" colspan="1">&#160;</td>
                  <td style="width: 33.33%; padding-bottom: 2px;" rowspan="1">August 2, 2019</td>
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{"company-data": {"conformed-name": "GREENHILL & CO INC", "cik": "0001282977", "assigned-sic": "6211", "irs-number": "510500737", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-232983", "film-number": "19996203"}, "business-address": {"street1": "300 PARK AVENUE", "street2": "23RD FLOOR", "city": "NEW YORK", "state": "NY", "zip": "10022", "phone": "212-389-1500"}, "mail-address": {"street1": "300 PARK AVENUE", "city": "NEW YORK", "state": "NY", "zip": "10022"}}
As filed with the Securities and Exchange Commission on August 2, 2019
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
GREENHILL & CO., INC.
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of incorporation or organization)
51-0500737
(I.R.S. Employer Identification No.)
300 Park Avenue
New York, New York
(Address of Principal Executive Offices)
10022
(Zip Code)
GREENHILL & CO., INC. 2019 EQUITY INCENTIVE PLAN
(Full title of the plan)
Harold J. Rodriguez, Jr.
Chief Financial Officer
Greenhill & Co., Inc.
300 Park Avenue
New York, New York 10022
(212) 389-1500
(Name, address and telephone number, including area code, of agent for service)
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the
      definitions of
"
large accelerated filer,
"
"
accelerated filer,
"
"
smaller reporting company
"
and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer
☐
Accelerated filer
☑
Non-accelerated filer
☐
Smaller reporting company
☐
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
      accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.
☐
CALCULATION OF REGISTRATION FEE
Title of Securities to be Registered
Amount to be
Registered
(1) (3)
Proposed
Maximum Offering
Price Per Share
(2)
Proposed Maximum
Aggregate
Offering Price
(2)
Amount of
Registration Fee
Common stock, par value $0.01 per share
9,932,402
$15.47
$ 153,654,258.94
$18,622.90
(1)
In accordance with Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this registration statement shall be deemed to cover any additional shares of the registrant's common stock
                      (the "Common Stock") that may from time to time be offered or issued to prevent dilution resulting from stock splits, stock dividends or similar transactions.
(2)
Estimated pursuant to Rule 457(c) and Rule 457(h) under the Securities Act, solely for the purpose of computing the registration fee, based on the average of the high and low prices of the securities
                        being registered hereby on the New York Stock Exchange on
July
29, 2019.
(3)
Includes (i) 6,500,000 shares of the registrant's Common Stock that may be issued under the Greenhill & Co., Inc. 2019 Equity Incentive Plan (the "2019 Plan"), (ii) 2,251,974 shares of the registrant's
                      Common Stock that were not issued under the Greenhill & Co., Inc. Equity Incentive Plan, as amended and restated (the "EIP"), as of the effective date of the 2019 Plan that may now be offered or sold under the 2019 Plan, and (iii)
                      1,180,428 shares of Common Stock representing the registrant's estimate of future shares that are forfeited, canceled, terminated, fail to vest or are otherwise not paid or delivered under the EIP that will become available for future
                      issuance under the 2019 Plan.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The information specified in Item 1 and Item 2 of Part I of the Registration Statement on Form S-8 (the "Registration Statement") is omitted from this filing in accordance with the provisions of Rule 428 under the
          Securities Act and the introductory note to Part I of the Registration Statement. The documents containing the information specified in Part I will be sent or given to the participants in the plan covered by this Registration Statement as
          required by Rule 428(b)(1) under the Securities Act.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE
The following documents filed with the Securities and Exchange Commission (the "Commission") by Greenhill & Co., Inc. (the "Company") pursuant to the Securities Act and the Securities Exchange Act of 1934, as
          amended (the "Exchange Act"), are incorporated herein by reference.
(1)
The Company's annual report on Form 10-K for the fiscal year ended December 31, 2018 filed with the
                      Commission on March 1, 2019.
(2)
The Company's quarterly report on Form 10-Q for the quarter ended March 31, 2019 filed with the Commission on
                      May 10, 2019.
(3)
The Company's current reports on Form 8-K filed with the Commission on
April 17, 2019
,
April 25, 2019
and
May 21, 2019
.
(4)
The description of the Company's Common Stock contained in the Company's Registration Statement on Form 8-A, filed
                      with the Commission on April 20, 2004 (Registration No. 001-32147), including any amendments or supplements thereto.
All documents subsequently filed by the Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of a post-effective amendment which indicates that all securities offered
          have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of filing of such documents.
Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a
          statement contained herein, (or in any other subsequently filed document which also is incorporated or deemed to be incorporated by reference herein), modifies or supersedes such statement. Any such statement so modified or superseded shall not
          be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
ITEM 4. DESCRIPTION OF SECURITIES
Not applicable.
ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL
Not applicable.
ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS
Section 145 of the Delaware General Corporation Law provides that a corporation may indemnify directors and officers as well as other employees and individuals against expenses (including attorneys' fees),
          judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with any threatened, pending or completed actions, suits or proceedings in which such person is made a party by reason of such person
          being or having been a director, officer, employee or agent to the Company. The Delaware General Corporation Law provides that Section 145 is not exclusive of other rights to which those seeking indemnification may be entitled under any bylaw,
          agreement, vote of stockholders or disinterested directors or otherwise. Article Ninth of the Company's Amended and Restated Certificate of Incorporation provides for indemnification by the Company of its directors and officers to the fullest
          extent permitted by the Delaware General Corporation Law. Article 5 of the Company's Amended and Restated Bylaws provides that the Company shall, as permitted by the Amended and Restated Certificate of Incorporation and to the fullest extent
          permitted by applicable law as then in effect, indemnify any person who was or is involved in any manner (including, without limitation, as a party or a witness), or is threatened to be made so involved, in any threatened, pending or completed
          investigation, claim, action, suit or proceeding, whether civil, criminal, administrative, or investigative by reason of the fact that he is or was a director, officer, senior advisor or employee of the Company, or is or was serving at the
          request of the Company as a director, officer, senior advisor or employee of another corporation, partnership, joint venture, trust or other enterprise, against all expenses (including attorneys' fees), judgments, fines and amounts paid in
          settlement actually and reasonably incurred by such indemnified person in connection with such proceeding (or part thereof). Each such indemnified person shall also have the right to receive payment in advance of any expenses incurred by such
          indemnified person in connection with such proceeding, consistent with the provisions of applicable law as then in effect.
Section 102(b)(7) of the Delaware General Corporation Law permits a corporation to provide in its certificate of incorporation that a director of the corporation shall not be personally liable to the corporation
          or its stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (i) for any breach of the director's duty of loyalty to the corporation or its stockholders, (ii) for acts or omissions not in good faith or
          which involve intentional misconduct or a knowing violation of law, (iii) for unlawful payments of dividends or unlawful stock repurchases, redemptions or other distributions, or (iv) for any transaction from which the director derived an
          improper personal benefit. The Company's Amended and Restated Certificate of Incorporation provides for such limitation of liability to the fullest extent permitted by the Delaware General Corporation Law.
The Company maintains standard policies of insurance under which coverage is provided (a) to its directors and officers against loss rising from claims made by reason of breach of duty or other wrongful act, while
          acting in their capacity as directors and officers of the Company, and (b) to the Company with respect to payments which may be made by the Company to such officers and directors pursuant to any indemnification provision contained in the
          Company's Amended and Restated Certificate of Incorporation or otherwise as a matter of law.
ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED
Not applicable.
ITEM 8. EXHIBITS
Exhibit
Number
Description
4.1
Amended and Restated Certificate of Incorporation of the Company (incorporated herein by reference to Exhibit 3.1 to the Company's Form S-1/A filed
                    on May 5, 2004 (Commission File No. 333-113526)).
4.2*
Amended and Restated Bylaws of the Company.
5.1*
Opinion of Sidley Austin LLP.
23.1*
Consent of Ernst & Young LLP.
23.2*
Consent of Sidley Austin LLP (included in Exhibit 5.1).
24.1*
Powers of attorney (included on the signature pages hereto).
99.1
Greenhill & Co., Inc. 2019 Equity Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the Company's
                    Quarterly Report on Form 10-Q filed on May 10, 2019).
*
Filed herewith.
ITEM 9. UNDERTAKINGS
(a)
The undersigned Company hereby undertakes:
(1)
To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement:
(i)
To include any prospectus required by Section 10(a)(3) of the Securities Act;
(ii)
To reflect in the prospectus any facts or events arising after the effective date of this Registration Statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental
                    change in the information set forth in this Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was
                    registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of a prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume
                    and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the "Calculation of Registration Fee" table in the effective Registration Statement;
(iii)
To include any material information with respect to the plan of distribution not previously disclosed in this Registration Statement or any material change to such information in this Registration Statement;
provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to
          the Commission by the Company pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in this Registration Statement.
(2)
That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such
                    securities at that time shall be deemed to be the initial bona fide offering thereof.
(3)
To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.
(b)
The undersigned Company hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the Company's annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where
                    applicable, each filing of an employee benefit plan's annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in this Registration Statement shall be deemed to be a new registration statement
                    relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.
(c)
Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Company pursuant to the foregoing provisions, or otherwise, the Company has been
                    advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities
                    (other than the payment by the Company of expenses incurred or paid by a director, officer or controlling person of the Company in the successful defense of any action, suit or proceeding) is asserted by such director, officer or
                    controlling person in connection with the securities being registered, the Company will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
                    question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.
SIGNATURES
Pursuant to the requirements of the Securities Act, the Company certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration
          Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on the 2nd day of August, 2019.
GREENHILL & CO., INC
.
By:
/s/ Harold J. Rodriguez, Jr.
Name:  Harold J. Rodriguez, Jr.
Title:  Chief Financial Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below, constitutes and appoints each of Scott L. Bok and Harold J. Rodriguez, Jr., and each of them, his or her true and lawful
            attorney-in-fact and agent, with full power of substitution and resubstitution, to do any and all acts and things and execute, in the name of the undersigned, any and all instruments which said attorney-in-fact and agent may deem necessary or
            advisable in order to enable the Company to comply with the Securities Act, and any requirements of the Commission in respect thereof, in connection with the filing with the Commission of this Registration Statement on Form S-8 under the
            Securities Act, including specifically but without limitation, power and authority to sign the name of the undersigned to such registration statement, and any amendments to such registration statement (including post-effective amendments), and
            to file the same with all exhibits thereto and other documents in connection therewith, with the Commission and any applicable securities exchange or securities regulatory body, to sign any and all applications, registration statements, notices
            or other documents necessary or advisable to comply with applicable securities laws, including without limitation state securities laws, and to file the same, together with other documents in connection therewith with the appropriate
            authorities, including without limitation state securities authorities, granting unto said attorney-in-fact and agent, full power and authority to do and to perform each and every act and thing requisite or necessary to be done in and about the
            premises, as fully and to all intents and purposes as the undersigned might or could do in person hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute, may lawfully do or cause to be done by virtue
            hereof.
Pursuant to the requirements of the Securities Act, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ Scott L. Bok
Chief Executive Officer, Chairman and Director
August 2, 2019
Scott L. Bok
(
Principal Executive Officer
)
/s/ Harold J. Rodriguez, Jr.
Chief Financial Officer and Chief Operating Officer
August 2, 2019
Harold J. Rodriguez, Jr.
(
Principal Financial Officer and Principal Accounting
Officer
)
/s/ Steven F. Goldstone
Director
August 2, 2019
Steven F. Goldstone
/s/ Robert F. Greenhill
Director
August 2, 2019
Robert F. Greenhill
/s/ Meryl. D. Hartzband
Director
August 2, 2019
Meryl. D. Hartzband
/s/ Stephen L. Key
Director
August 2, 2019
Stephen L. Key
/s/ John D. Liu
Director
August 2, 2019
John D. Liu
/s/ Karen P. Robards
Director
August 2, 2019
Karen P. Robards