Form: 10-Q

Quarterly report pursuant to Section 13 or 15(d)

November 13, 1995

STATEMENT OF CALCULATION OF AVERAGE COMMON

Published on November 13, 1995


EXHIBIT 11

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

Three Months Nine Months
Ended Ended
Sept. 30, 1995 Sept. 30, 1995
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Primary Earnings Per Share:
Weighted average number of shares 6,483,181 6,468,749

Stock option plan shares to be
issued at prices ranging from
$3.50 to $16.363 per share 314,762 308,213

Warrant issues at a price of
$4.20 per share 90,000 101,355

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 (221,269) (221,559)
----------- -----------
Total Primary Shares 6,666,674 6,656,758
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Fully Diluted Earnings Per Share:
Weighted average number of shares 6,483,181 6,468,749

Stock option plan shares to be
issued at prices of ranging
from $3.50 to $16.363 per share 314,762 308,213

Warrant issues at a price of $4.20
per share 90,000 101,355

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
premature dispositions (202,057) (203,621)
----------- -----------

Total Diluted Shares 6,685,886 6,674,696
=========== ===========