<SEC-DOCUMENT>0000945621-25-000167.txt : 20250212
<SEC-HEADER>0000945621-25-000167.hdr.sgml : 20250212
<ACCEPTANCE-DATETIME>20250212125042
ACCESSION NUMBER:		0000945621-25-000167
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250212
DATE AS OF CHANGE:		20250212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BARRETT BUSINESS SERVICES INC
		CENTRAL INDEX KEY:			0000902791
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				520812977
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-42607
		FILM NUMBER:		25613673

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mawer Investment Management Ltd.
		CENTRAL INDEX KEY:			0001538449
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		517 10TH AVENUE S. W.
		STREET 2:		SUITE 600
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2R 0A8
		BUSINESS PHONE:		403-262-4673

	MAIL ADDRESS:	
		STREET 1:		517 10TH AVENUE S. W.
		STREET 2:		SUITE 600
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2R 0A8
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>SCHEDULE 13G/A</submissionType>
<previousAccessionNumber>0000945621-24-000865</previousAccessionNumber>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001538449</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<coverPageHeader>
<amendmentNo>1</amendmentNo>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
<issuerInfo>
<issuerCik>0000902791</issuerCik>
<issuerName>Barrett Business Services Inc</issuerName>
<issuerCusip>068463108</issuerCusip>
<issuerPrincipalExecutiveOfficeAddress>
<com:street1>8100 NE Parkway Drive, Suite 200</com:street1>
<com:city>Vancouver</com:city>
<com:stateOrCountry>WA</com:stateOrCountry>
<com:zipCode>98662</com:zipCode>
</issuerPrincipalExecutiveOfficeAddress>
</issuerInfo>
<designateRulesPursuantThisScheduleFiled>
<designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
</designateRulesPursuantThisScheduleFiled>
</coverPageHeader>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Mawer Investment Management Ltd.</reportingPersonName>
<citizenshipOrOrganization>A0</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>2110550</soleVotingPower>
<sharedVotingPower>0</sharedVotingPower>
<soleDispositivePower>2110550</soleDispositivePower>
<sharedDispositivePower>0</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2110550</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8.14</classPercent>
<typeOfReportingPerson>IA</typeOfReportingPerson>
<comments>Based upon 25,937,049 Common Stock of Barrett Business Services, Inc. (the "Issuer") outstanding as of October 23, 2024, as reported in the Issuer's 10-Q filed with the Securities and Exchange Commission on November 7, 2024.</comments>
</coverPageHeaderReportingPersonDetails>
<items>
<item1>
<issuerName>Barrett Business Services Inc</issuerName>
<issuerPrincipalExecutiveOfficeAddress>8100 NE Parkway Drive, Suite 200, Vancouver, Washington, 98662</issuerPrincipalExecutiveOfficeAddress>
</item1>
<item2>
<filingPersonName>Mawer Investment Management Ltd.</filingPersonName>
<principalBusinessOfficeOrResidenceAddress>600, 517 - 10th Avenue SW&#13;
Calgary, Alberta, Canada T2R 0A8</principalBusinessOfficeOrResidenceAddress>
<citizenship>Canada</citizenship>
</item2>
<item3>
<notApplicableFlag>N</notApplicableFlag>
<typeOfPersonFiling>IA</typeOfPersonFiling>
</item3>
<item4>
<amountBeneficiallyOwned>2,110,550</amountBeneficiallyOwned>
<classPercent>8.14</classPercent>
<numberOfSharesPersonHas>
<solePowerOrDirectToVote>2,110,550</solePowerOrDirectToVote>
<sharedPowerOrDirectToVote>0</sharedPowerOrDirectToVote>
<solePowerOrDirectToDispose>2,110,550</solePowerOrDirectToDispose>
<sharedPowerOrDirectToDispose>0</sharedPowerOrDirectToDispose>
</numberOfSharesPersonHas>
</item4>
<item5>
<notApplicableFlag>Y</notApplicableFlag>
</item5>
<item6>
<notApplicableFlag>Y</notApplicableFlag>
</item6>
<item7>
<notApplicableFlag>Y</notApplicableFlag>
</item7>
<item8>
<notApplicableFlag>Y</notApplicableFlag>
</item8>
<item9>
<notApplicableFlag>Y</notApplicableFlag>
</item9>
<item10>
<notApplicableFlag>N</notApplicableFlag>
<certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
</item10>
</items>
<signatureInformation>
<reportingPersonName>Mawer Investment Management Ltd.</reportingPersonName>
<signatureDetails>
<signature>/s/ Karan Phadke</signature>
<title>Karan Phadke, Portfolio Manager</title>
<date>01/24/2025</date>
</signatureDetails>
</signatureInformation>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
