<PAGE>

                                  UNITED STATES
                       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)............July 18, 2006

                         HEALTHCARE SERVICES GROUP, INC.
                         -------------------------------
             (Exact name of registrant as specified in its charter)

         Pennsylvania                    0-120152               23-2018365
-------------------------------        ------------       ----------------------
(State or other jurisdiction of        (Commission            (IRS Employer
 Incorporation or organization)        File Number)       Identification Number)

           3220 Tillman Drive-Suite 300, Bensalem, Pennsylvania 19020
           ----------------------------------------------------------
               (Address of principal executive offices)     (Zip code)

Registrant's telephone number, including area code: 215-639-4274

                                 Not Applicable
                                 --------------
          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions ( see General Instruction A.2. below):

(  )     Written communications pursuant to Rule 425 under the Securities Act
         (17 CFR 230.425)

(  )     Soliciting material pursuant to Rule 14a-12 under the Exchange Act
         (17 CFR 240.14a-12)

(  )     Pre-commencement communications pursuant to Rule 14d-2(b) under the
         Exchange Act (17 CFR 240.14d-2(b) )

(  )     Pre-commencement communications pursuant to Rule 13e-4( c) under the
         Exchange Act (17 CFR 240.13e-4( c) )
<PAGE>

Item 2.02  Results of Operations and Financial Condition.

On July 18, 2006 Healthcare Services Group, Inc.issued a press release (the
"Press Release") announcing its earnings for the three and six month periods
ended June 30, 2006. A copy of the Press Release is being furnished hereto as
Exhibit 99.1 and is hereby incorporated by reference to this Current Report.

The information contained herein shall not be deemed "filed" for the purposes of
Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), or otherwise subject to the liabilities of that section, nor shall it be
deemed incorporated by reference in any filing under the Securities Act of 1933,
as amended or the Exchange Act.

Item 9.01         Financial Statements and Exhibits
         ( a )    Not applicable
         ( b )    Not applicable
         ( c )    Not applicable
         ( d )    Exhibits. The following exhibit is being furnished herewith:

                  99.1   Press Release, dated July 18, 2006

<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.

                                                 HEALTHCARE SERVICES GROUP, INC.

July 19, 2006                                    /S/ Richard W. Hudson
-------------                                    -------------------------------
Date                                             Vice President-Finance and
                                                 Secretary

<PAGE>

                                  EXHIBIT INDEX

Exhibit:

99.1     Press Release and financial tables dated July 18, 2006 issued by
         Healthcare Services Group, Inc.
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{"company-data": {"conformed-name": "HEALTHCARE SERVICES GROUP INC", "cik": "0000731012", "assigned-sic": "7340", "irs-number": "232018365", "state-of-incorporation": "PA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-12015", "film-number": "06968804"}, "business-address": {"street1": "2643 HUNTINGDON PIKE", "city": "HUNTINGDON VALLEY", "state": "PA", "zip": "19006", "phone": "2159381661"}, "mail-address": {"street1": "2643 HUNTINGDON PIKEE", "city": "HUNTINGDON VALLEY", "state": "PA", "zip": "19006"}}
UNITED STATES
                       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)............July 18, 2006

                         HEALTHCARE SERVICES GROUP, INC.
                         -------------------------------
             (Exact name of registrant as specified in its charter)

         Pennsylvania                    0-120152               23-2018365
-------------------------------        ------------       ----------------------
(State or other jurisdiction of        (Commission            (IRS Employer
 Incorporation or organization)        File Number)       Identification Number)

           3220 Tillman Drive-Suite 300, Bensalem, Pennsylvania 19020
           ----------------------------------------------------------
               (Address of principal executive offices)     (Zip code)

Registrant's telephone number, including area code: 215-639-4274

                                 Not Applicable
                                 --------------
          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions ( see General Instruction A.2. below):

(  )     Written communications pursuant to Rule 425 under the Securities Act
         (17 CFR 230.425)

(  )     Soliciting material pursuant to Rule 14a-12 under the Exchange Act
         (17 CFR 240.14a-12)

(  )     Pre-commencement communications pursuant to Rule 14d-2(b) under the
         Exchange Act (17 CFR 240.14d-2(b) )

(  )     Pre-commencement communications pursuant to Rule 13e-4( c) under the
         Exchange Act (17 CFR 240.13e-4( c) )
Item 2.02  Results of Operations and Financial Condition.

On July 18, 2006 Healthcare Services Group, Inc.issued a press release (the
"Press Release") announcing its earnings for the three and six month periods
ended June 30, 2006. A copy of the Press Release is being furnished hereto as
Exhibit 99.1 and is hereby incorporated by reference to this Current Report.

The information contained herein shall not be deemed "filed" for the purposes of
Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), or otherwise subject to the liabilities of that section, nor shall it be
deemed incorporated by reference in any filing under the Securities Act of 1933,
as amended or the Exchange Act.

Item 9.01         Financial Statements and Exhibits
         ( a )    Not applicable
         ( b )    Not applicable
         ( c )    Not applicable
         ( d )    Exhibits. The following exhibit is being furnished herewith:

                  99.1   Press Release, dated July 18, 2006
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.

                                                 HEALTHCARE SERVICES GROUP, INC.

July 19, 2006                                    /S/ Richard W. Hudson
-------------                                    -------------------------------
Date                                             Vice President-Finance and
                                                 Secretary
EXHIBIT INDEX

Exhibit:

99.1     Press Release and financial tables dated July 18, 2006 issued by
         Healthcare Services Group, Inc.