Form: SC 13G

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

December 23, 2003

AGREEMENT OF JOINT FILING

Published on December 23, 2003

Exhibit 1


AGREEMENT OF JOINT FILING


Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934,
as amended, the undersigned hereby consent to the joint filing on their behalf
of a single Schedule 13G and any amendments thereto, with respect to the
beneficial ownership by each of the undersigned of shares of Common Stock, par
value $0.01 per share, of Barrett Business Services, Inc., a Maryland
corporation.

Dated: as of December 23, 2003

WYNNEFIELD PARTNERS SMALL CAP VALUE, L.P.

By:Wynnefield Capital Management, LLC,
General Partner

By: /s/ Joshua H. Landes
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Joshua H. Landes, Co-Managing Member


WYNNEFIELD PARTNERS SMALL CAP VALUE, L.P. I

By:Wynnefield Capital Management, LLC,
General Partner

By: /s/ Joshua H. Landes
---------------------------------------
Joshua H. Landes, Co-Managing Member

WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND, LTD.

By:Wynnefield Capital, Inc.

By: /s/ Joshua H. Landes
---------------------------------------
Joshua H. Landes, Executive Vice
President


WYNNEFIELD CAPITAL MANAGEMENT, LLC

By: /s/ Joshua H. Landes
---------------------------------------
Joshua H. Landes, Co-Managing Member

WYNNEFIELD CAPITAL, INC.

By: /s/ Joshua H. Landes
---------------------------------------
Joshua H. Landes, Executive Vice
President