SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

       Date of Report (Date of Earliest Event Reported): September 30, 1998

                         ANSWERTHINK CONSULTING GROUP, INC.
             ------------------------------------------------------
             (Exact Name of Registrant as Specified in its Charter)

                                    FLORIDA
                 ----------------------------------------------
                 (State or Other Jurisdiction of Incorporation)

    0-24343                                             65-0750100
------------------------                    ------------------------------------
(Commission File Number)                    (I.R.S. Employer Identification No.)

1001 Brickell Bay Drive, Suite 3000
Miami, Florida                                                       33131
---------------------------------------                           ----------
(Address of Principal Executive Offices)                          (Zip Code)

                                 (305) 375-8005
              ----------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)

                                 Not Applicable
          -------------------------------------------------------------
          (Former Name or Former Address, if Changed Since Last Report)


<PAGE>

ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.

         On September 30, 1998, AnswerThink Consulting Group, Inc.
         ("AnswerThink") acquired all of the issued and outstanding capital
         stock of Infinity Consulting Group, Inc. ("Infinity"), an Indiana
         corporation engaged in the business of delivering PeopleSoft(TM)
         application solutions. The acquisition was effected pursuant to a Stock
         Purchase Agreement dated as of September 30, 1998 (the "Agreement"), by
         and among AnswerThink, Infinity, Brian J. Burk, John L. Moser and James
         N. Alvarez, who collectively held all of the issued and outstanding
         capital stock of Infinity (the "Infinity Shareholders"). As a result of
         the acquisition, Infinity will operate as a wholly-owned subsidiary of
         AnswerThink and the former shareholders of Infinity have become senior
         managers in AnswerThink's PeopleSoft Solutions practice group. The
         acquisition will be treated as a taxable purchase and sale of Infinity
         shares for U.S. income tax purposes and will be accounted for under the
         purchase method. In consideration for the Infinity stock, AnswerThink
         issued an aggregate of 186,000 shares of AnswerThink common stock to
         the Infinity Shareholders, which were valued at approximately $3.36
         million based on the last sale price of AnswerThink Common Stock on the
         NASDAQ National Market on September 30, 1998, and paid an aggregate of
         $2.80 million in cash to the former Infinity Shareholders. The cash
         portion of the consideration was provided by the liquidation of
         investments which were acquired by AnswerThink with the proceeds from
         its initial public offering. The Infinity Shareholders will also
         receive up to $1.6 million in the form of a combination of cash and
         AnswerThink common stock to be paid by October 15, 1999 upon the
         achievement of certain pre-tax profit targets related to the
         performance of Infinity during the twelve (12) month period ending
         August 31, 1999.

         The terms of the acquisition were determined on the basis of arm's
         length negotiations. Prior to the execution of the Agreement, neither
         AnswerThink nor any of its affiliates, officers or directors had any
         material relationship with Infinity or the Infinity Shareholders.


<PAGE>

ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

         (a)      FINANCIAL STATEMENTS OF BUSINESSES ACQUIRED.

     The financial statements required by this item are not included with this
initial report. The required financial statements will be filed by amendment not
later than December 14, 1998.

         (b)      PRO FORMA FINANCIAL INFORMATION.

     The pro forma financial information required by this item is not included
with this initial report. The required pro forma financial information will be
filed by amendment not later than December 14, 1998.

         (c)      EXHIBITS AND REPORTS ON FORM 8-K

                  (1)

                  NUMBER            EXHIBITS
                  ------            --------
                  2.1               STOCK PURCHASE AGREEMENT BY AND AMONG
                                    ANSWERTHINK CONSULTING GROUP, INC., INFINITY
                                    CONSULTING GROUP., AND THE SHAREHOLDERS OF
                                    INFINITY DATED AS OF SEPTEMBER 30, 1998

                  (2)               REPORTS ON FORM 8-K

                  No reports are attached to this Form 8-K.
<PAGE>

                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Date:  October 14, 1998                     ANSWERTHINK CONSULTING GROUP, INC.
                                            ----------------------------------
                                                       (Registrant)

                                            By: /s/ Luis E. San Miguel
                                                ---------------------------
                                            Luis E. San Miguel
                                            Executive Vice President 
                                            Finance and Chief Financial 
                                            Officer


<PAGE>

                                  EXHIBIT INDEX

                  EXHIBIT
                  NUMBER            DESCRIPTION
                  ------            -----------
                  2.1      Stock Purchase Agreement by and among AnswerThink
                           Consulting Group, Inc., Infinity Consulting Group.,
                           and the Shareholders of Infinity dated as of
                           September 30, 1998
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SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

       Date of Report (Date of Earliest Event Reported): September 30, 1998

                         ANSWERTHINK CONSULTING GROUP, INC.
             ------------------------------------------------------
             (Exact Name of Registrant as Specified in its Charter)

                                    FLORIDA
                 ----------------------------------------------
                 (State or Other Jurisdiction of Incorporation)

    0-24343                                             65-0750100
------------------------                    ------------------------------------
(Commission File Number)                    (I.R.S. Employer Identification No.)

1001 Brickell Bay Drive, Suite 3000
Miami, Florida                                                       33131
---------------------------------------                           ----------
(Address of Principal Executive Offices)                          (Zip Code)

                                 (305) 375-8005
              ----------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)

                                 Not Applicable
          -------------------------------------------------------------
          (Former Name or Former Address, if Changed Since Last Report)
ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.

         On September 30, 1998, AnswerThink Consulting Group, Inc.
         ("AnswerThink") acquired all of the issued and outstanding capital
         stock of Infinity Consulting Group, Inc. ("Infinity"), an Indiana
         corporation engaged in the business of delivering PeopleSoft(TM)
         application solutions. The acquisition was effected pursuant to a Stock
         Purchase Agreement dated as of September 30, 1998 (the "Agreement"), by
         and among AnswerThink, Infinity, Brian J. Burk, John L. Moser and James
         N. Alvarez, who collectively held all of the issued and outstanding
         capital stock of Infinity (the "Infinity Shareholders"). As a result of
         the acquisition, Infinity will operate as a wholly-owned subsidiary of
         AnswerThink and the former shareholders of Infinity have become senior
         managers in AnswerThink's PeopleSoft Solutions practice group. The
         acquisition will be treated as a taxable purchase and sale of Infinity
         shares for U.S. income tax purposes and will be accounted for under the
         purchase method. In consideration for the Infinity stock, AnswerThink
         issued an aggregate of 186,000 shares of AnswerThink common stock to
         the Infinity Shareholders, which were valued at approximately $3.36
         million based on the last sale price of AnswerThink Common Stock on the
         NASDAQ National Market on September 30, 1998, and paid an aggregate of
         $2.80 million in cash to the former Infinity Shareholders. The cash
         portion of the consideration was provided by the liquidation of
         investments which were acquired by AnswerThink with the proceeds from
         its initial public offering. The Infinity Shareholders will also
         receive up to $1.6 million in the form of a combination of cash and
         AnswerThink common stock to be paid by October 15, 1999 upon the
         achievement of certain pre-tax profit targets related to the
         performance of Infinity during the twelve (12) month period ending
         August 31, 1999.

         The terms of the acquisition were determined on the basis of arm's
         length negotiations. Prior to the execution of the Agreement, neither
         AnswerThink nor any of its affiliates, officers or directors had any
         material relationship with Infinity or the Infinity Shareholders.
ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

         (a)      FINANCIAL STATEMENTS OF BUSINESSES ACQUIRED.

     The financial statements required by this item are not included with this
initial report. The required financial statements will be filed by amendment not
later than December 14, 1998.

         (b)      PRO FORMA FINANCIAL INFORMATION.

     The pro forma financial information required by this item is not included
with this initial report. The required pro forma financial information will be
filed by amendment not later than December 14, 1998.

         (c)      EXHIBITS AND REPORTS ON FORM 8-K

                  (1)

                  NUMBER            EXHIBITS
                  ------            --------
                  2.1               STOCK PURCHASE AGREEMENT BY AND AMONG
                                    ANSWERTHINK CONSULTING GROUP, INC., INFINITY
                                    CONSULTING GROUP., AND THE SHAREHOLDERS OF
                                    INFINITY DATED AS OF SEPTEMBER 30, 1998

                  (2)               REPORTS ON FORM 8-K

                  No reports are attached to this Form 8-K.
SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Date:  October 14, 1998                     ANSWERTHINK CONSULTING GROUP, INC.
                                            ----------------------------------
                                                       (Registrant)

                                            By: /s/ Luis E. San Miguel
                                                ---------------------------
                                            Luis E. San Miguel
                                            Executive Vice President 
                                            Finance and Chief Financial 
                                            Officer
EXHIBIT INDEX

                  EXHIBIT
                  NUMBER            DESCRIPTION
                  ------            -----------
                  2.1      Stock Purchase Agreement by and among AnswerThink
                           Consulting Group, Inc., Infinity Consulting Group.,
                           and the Shareholders of Infinity dated as of
                           September 30, 1998