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):

                                 April 27, 2005

                         BARRETT BUSINESS SERVICES, INC.
               (Exact name of registrant as specified in charter)

                                    Maryland
                 (State or other jurisdiction of incorporation)

                                     0-21886
                                (SEC File Number)

                                   52-0812977
                        (IRS Employer Identification No.)

      4724 S.W. Macadam Avenue
      Portland, Oregon                                           97239
      (Address of principal executive offices)                 (Zip Code)

               Registrant's telephone number, including area code:

                                 (503) 220-0988

     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:

|_|  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 April 27, 2005,  Barrett Business  Services,  Inc. (the "Company"),  issued a
press release announcing its financial results for the first quarter of 2005 and
limited  financial  guidance for the second quarter of 2005. A copy of the press
release  is  furnished  as  Exhibit  99.1 to this  report  and  incorporated  by
reference.

Item 9.01.  Financial Statements and Exhibits.

(c) Exhibits: The following exhibit is furnished with this Form 8-K:

         99.1  Press Release dated April 27, 2005.

                                   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 thereunto duly authorized.

                                        BARRETT BUSINESS SERVICES, INC.


Dated:  April 27, 2005                  By: /s/ Michael lD. Mulholland         
                                           ------------------------------------
                                           Michael D. Mulholland
                                           Vice President - Finance