Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - BARRETT BUSINESS SERVICES INCFinancial_Report.xls
EX-4.7 - EX-4.7 - BARRETT BUSINESS SERVICES INCd838375dex47.htm
EX-21 - EX-21 - BARRETT BUSINESS SERVICES INCd838375dex21.htm
EX-32 - EX-32 - BARRETT BUSINESS SERVICES INCd838375dex32.htm
EX-31.2 - EX-31.2 - BARRETT BUSINESS SERVICES INCd838375dex312.htm
EX-31.1 - EX-31.1 - BARRETT BUSINESS SERVICES INCd838375dex311.htm
10-K - 10-K - BARRETT BUSINESS SERVICES INCd838375d10k.htm

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-33487, 333-105833, and 333-161592) of our report dated March 16, 2015 relating to the consolidated financial statements of Barrett Business Services, Inc., and the effectiveness of internal control over financial reporting of Barrett Business Services, Inc. appearing in this Annual Report (Form 10-K) for the year ended December 31, 2014.

/s/ Moss Adams LLP

Portland, Oregon

March 16, 2015