<SEC-DOCUMENT>0001562180-22-000080.txt : 20220104
<SEC-HEADER>0001562180-22-000080.hdr.sgml : 20220104
<ACCEPTANCE-DATETIME>20220104160937
ACCESSION NUMBER:		0001562180-22-000080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220101
FILED AS OF DATE:		20220104
DATE AS OF CHANGE:		20220104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Potts James R
		CENTRAL INDEX KEY:			0001824435

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21886
		FILM NUMBER:		22505881

	MAIL ADDRESS:	
		STREET 1:		8100 NE PARKWAY DRIVE SUITE 200
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98662

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BARRETT BUSINESS SERVICES INC
		CENTRAL INDEX KEY:			0000902791
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		IRS NUMBER:				520812977
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8100 NE PARKWAY DRIVE
		STREET 2:		SUITE 200
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98662
		BUSINESS PHONE:		(800) 494-5669

	MAIL ADDRESS:	
		STREET 1:		8100 NE PARKWAY DRIVE
		STREET 2:		SUITE 200
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98662
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-01-01</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0000902791</issuerCik>
        <issuerName>BARRETT BUSINESS SERVICES INC</issuerName>
        <issuerTradingSymbol>BBSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001824435</rptOwnerCik>
            <rptOwnerName>Potts James R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8100 NE PARKWAY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>VANCOUVER</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98662</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>EVP Gen Counsel &amp; Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-01-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>133.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>133.00</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>133.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock.</footnote>
        <footnote id="F2">The Restricted Stock Units vest in one installment on January 1, 2027, and will be settled by delivery of unrestricted shares of common stock on the vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Anthony Harris, as attorney-in-fact</signatureName>
        <signatureDate>2022-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>jpottspoa.txt
<DESCRIPTION>POA
<TEXT>
POWER OF ATTORNEY

      The undersigned hereby constitutes and appoints each
of Anthony Harris and Ben Ward, signing singly, the
undersigned's true and lawful attorney-in-fact to:

1. Execute for and on behalf of the
undersigned, in the undersigned's capacity as an officer
and/or director of Barrett Business Services, Inc. (the
"Company"), Forms 3, 4, and 5 in accordance with Section
16(a) of the Securities Exchange Act of 1934 and the rules
thereunder, and any other forms or reports the undersigned
may be required to file in connection with the undersigned's
ownership, acquisition, or disposition of securities of the
Company, including forms required to generate codes for the
Securities and Exchange Commission's electronic filing
system; and

            2.   Do and perform any and all acts for and on
behalf of the undersigned which may be necessary or
desirable to complete and execute any such Form 3, 4, or 5,
or other form or report, and timely file such form or report
with the United States Securities and Exchange Commission
and any stock exchange or similar authority as appropriate.

            The undersigned hereby grants to each such
attorney-in-fact full power and authority to do and
perform any and every act and thing necessary or proper
to be done in the
exercise of any of the rights and powers herein granted, as
fully to all intents and purposes as the
undersigned could do if personally present, hereby
ratifying and confirming all that such
attorney-in-fact shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers
herein granted.  The undersigned acknowledges that the
foregoing attorneys. in-fact, in serving in such capacity
at the request of the undersigned, are not assuming, and
the Company is not assuming, any of the undersigned's
responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934.

            This Power of Attorney shall remain in full force
and effect until the undersigned is no longer subject to
Section 16 of the Securities Exchange Act of 1934 with
respect to the undersigned's holdings of and transactions
in securities issued by the Company, unless earlier revoked
by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

            IN WITNESS WHEREOF, the undersigned has caused
this Power of Attorney to be executed as of this 12
day of September, 2020.

/s/ James Potts
James Potts










</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
