Form: 10-Q

Quarterly report pursuant to Section 13 or 15(d)

November 14, 1994

STATEMENT OF CALCULATION OF AVERAGE COMMON

Published on November 14, 1994


EXHIBIT 11

BARRETT BUSINESS SERVICES, INC.
STATEMENT OF CALCULATION OF AVERAGE
COMMON SHARES OUTSTANDING



Three Months Nine Months
Ended Ended
Sept. 30, 1994 Sept. 30, 1994
-------------- --------------

Primary Earnings Per Share:
Weighted average number of shares 6,340,781 6,327,824

Stock option plan shares to be issued at prices 338,635 322,771
ranging from $3.500 to $13.563 per share

Warrant issues at a price of $4.20 per share 200,000 200,000


Less: Assumed purchase at average market price
during the period using proceeds received
upon exercise of options and purchase of
stock, and using tax benefits of compensation
due to premature dispositions (308,937) (272,940)
--------- ---------
Total Primary Shares 6,570,479 6,577,655
========= =========




Fully Diluted Earnings Per Share:
Weighted average number of shares 6,340,781 6,327,824

Stock option plan shares to be issued at
prices ranging from $3.500 to $13.563 per share 338,635 322,771

Warrant issues at a price of $4.20 per share 200,000 200,000


Less: Assumed purchase at the higher of ending
or average market price during the period
using proceeds received upon exercise of
options and purchase of stock, and using
tax benefits of compensation due to pre-
mature dispositions (280,495) (256,827)
--------- ---------
Total Diluted Shares 6,598,921 6,593,768
========= =========

EXHIBIT 27

BARRETT BUSINESS SERVICES, INC.
FINANCIAL DATA SCHEDULE