SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D. C. 20549 SCHEDULE 13G (Amendment No. 1) Barrett Business Services, Inc. ------------------------------------------------------------------------------- (Name of Issuer) Common Stock, $.01 Par Value Per Share ------------------------------------------------------------------------------- (Title of Class of Securities) 068463108 ------------------------------------------------------------------------------- (CUSIP Number of Class of Securities) December 31, 2003 ------------------------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] RULE 13d-1(b) [X] RULE 13d-1(c) [ ] RULE 13d-1(d) (Page 1 of 11 Pages) CUSIP No. 068463108 Page 2 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Wynnefield Partners Small Cap Value, L.P. 13-3688497 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 142,900 Shares _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 142,900 Shares _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 142,900 Shares ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.5% of Common Stock ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON PN ________________________________________________________________________________ (Page 2 of 11 Pages) CUSIP No. 068463108 Page 3 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wynnefield Partners Small Cap Value, L.P. I 13-3953291 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 162,400 Shares _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 162,400 Shares _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 162,400 Shares ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.9% of Common Stock ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON PN ________________________________________________________________________________ (Page 3 of 11 Pages) CUSIP No. 068463108 Page 4 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wynnefield Small Cap Value Offshore Fund, Ltd. (No IRS Identification No.) ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 93,133 Shares _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 93,133 Shares _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 93,133 Shares ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.7% of Common Stock ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO ________________________________________________________________________________ (Page 4 of 11 Pages) CUSIP No. 068463108 Page 5 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Channel Partnership II, L.P. 22-3215653 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION New York ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 5,000 Shares _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 5,000 Shares _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,000 Shares ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.1% of Common Stock ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO ________________________________________________________________________________ (Page 5 of 11 Pages) CUSIP No. 068463108 Page 6 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Nelson Obus ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION United States of America ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 5,000 Shares (1) _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 5,000 Shares (1) _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,000 Shares (1) ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.1% of Common Stock (1) ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO ________________________________________________________________________________ (1) Nelson Obus is the general partner of Channel Partnership II, L.P., and accordingly, holds an indirect beneficial interest in these shares which are directly beneficially owned by Channel Partnership II, L.P. (Page 6 of 11 Pages) CUSIP No. 068463108 Page 7 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wynnefield Capital Management, LLC 13-4018186 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION New York ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 305,300 Shares (1) _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 305,300 Shares (1) _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 305,300 Shares (1) ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.4% of Common Stock (1) ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON OO (Limited Liability Company) ________________________________________________________________________________ (1) Wynnefield Capital Management, LLC holds an indirect beneficial interest in these shares which are directly beneficially owned by Wynnefield Partners Small Cap Value, L.P. and Wynnefield Partners Small Cap Value, L.P.I. (Page 7 of 11 Pages) CUSIP No. 068463108 Page 8 of 11 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wynnefield Capital, Inc. (No IRS Identification No.) ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [X] (b) ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 93,133 Shares (1) _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 93,133 Shares (1) _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 93,133 Shares (1) ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.7% of Common Stock (1) ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO ________________________________________________________________________________ (1) Wynnefield Capital, Inc. holds an indirect beneficial interest in these shares which are directly beneficially owned by Wynnefield Small Cap Value Offshore Fund, Ltd. (Page 8 of 11 Pages) ITEM 1(a). Name of Issuer: Barrett Business Services, Inc. ITEM 1(b). Address of Issuer's Principal Executive Offices: 4724 S.W. Macadam Avenue Portland, Oregon 97239 ----------------------------------------------------------------------- ITEM 2(a). Names of Persons Filing: Wynnefield Partners Small Cap Value, L.P. ("Partners") ----------------------------------------------------------------------- Wynnefield Partners Small Cap Value, L.P. I ("Partners I") ----------------------------------------------------------------------- Wynnefield Partners Small Cap Offshore Fund, Ltd. ("Fund") ----------------------------------------------------------------------- Wynnefield Capital Management, LLC ("WCM") ----------------------------------------------------------------------- Wynnefield Capital, Inc. ("WCI") ----------------------------------------------------------------------- Channel Partnership II, L.P. ("Channel") ----------------------------------------------------------------------- Nelson Obus ("Obus") ----------------------------------------------------------------------- ITEM 2(b). Address of Principal Business Office Or, If None, Residence: 450 Seventh Avenue, Suite 509, New York, New York 10123 ----------------------------------------------------------------------- ITEM 2(c). Citizenship: Partners and Partners I are Delaware Limited Partnerships ----------------------------------------------------------------------- Fund and WCI are Cayman Islands Companies ----------------------------------------------------------------------- WCM is a New York Limited Liability Company ----------------------------------------------------------------------- Channel is a New York Limited Partnership ----------------------------------------------------------------------- Obus is a citizen of the United States of America ----------------------------------------------------------------------- ITEM 2(d). Title of Class of Securities: Common Stock, $.01 Par Value Per Share ----------------------------------------------------------------------- ITEM 2(e). CUSIP Number: 068463108 ITEM 3. If this Statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or (c), check whether the person filing is: None of the reporting persons is an entity specified in Rule 13d-1(b)(1)(ii). ITEM 4. Ownership: (a) Amount beneficially owned by all reporting persons: 403,433 Shares (b) Percent of class: 7.2% of outstanding shares of Common Stock (Page 9 of 11 Pages) (c) Number of shares as to which the reporting persons have: (i) sole power to vote or to direct the vote: 403,433 Shares (ii) shared power to vote or to direct the vote: (iii) sole power to dispose or to direct the disposition: 403,433 Shares (iv) shared power to dispose or to direct the disposition: ---- ITEM 5. Ownership of five percent or less of a class. Not applicable. ITEM 6. Ownership of more than five percent on behalf of another person. Not applicable. ITEM 7. Identification and classification of the subsidiary which acquired the security being reported on by the parent holding company or control person. Not applicable. ITEM 8. Identification and classification of members of the group. None of the reporting persons who have filed this schedule is a person, as defined in Rule 13d-1(b)(1)(ii), promulgated pursuant to the Securities Exchange Act of 1934. The persons filing this schedule are identified in Item 2 hereof. ITEM 9. Notice of dissolution of group. Not applicable. ITEM 10. Certifications. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection or as a participant in any transaction having that purpose or effect. (Page 10 of 11 Pages) SIGNATURE After reasonable inquiry, and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: February 11, 2004 WYNNEFIELD PARTNERS SMALL CAP VALUE, L.P. By: Wynnefield Capital Management, LLC, General Partner By: /s/ Nelson Obus --------------------------------- Nelson Obus, Co-Managing Member WYNNEFIELD PARTNERS SMALL CAP VALUE, L.P. I By: Wynnefield Capital Management, LLC, General Partner By: /s/ Nelson Obus --------------------------------- Nelson Obus, Co-Managing Member WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND, LTD. By: Wynnefield Capital, Inc. By: /s/ Nelson Obus --------------------------------- Nelson Obus, President WYNNEFIELD CAPITAL MANAGEMENT, LLC By: /s/ Nelson Obus ---------------------------------------- Nelson Obus, Co-Managing Member WYNNEFIELD CAPITAL, INC. By: /s/ Nelson Obus ---------------------------------------- Nelson Obus, President CHANNEL PARTNERSHIP II, L.P. By: /s/ Nelson Obus ------------------------------------------ Nelson Obus /s/ Nelson Obus ----------------------------------------------------- Nelson Obus (Page 11 of 11 Pages)