<SEC-DOCUMENT>0000078890-21-000119.txt : 20210720
<SEC-HEADER>0000078890-21-000119.hdr.sgml : 20210720
<ACCEPTANCE-DATETIME>20210720115711
ACCESSION NUMBER:		0000078890-21-000119
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210717
FILED AS OF DATE:		20210720
DATE AS OF CHANGE:		20210720

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Davis Simon
		CENTRAL INDEX KEY:			0001609398

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09148
		FILM NUMBER:		211100010

	MAIL ADDRESS:	
		STREET 1:		5757 N GREEN BAY AVE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BRINKS CO
		CENTRAL INDEX KEY:			0000078890
		STANDARD INDUSTRIAL CLASSIFICATION:	ARRANGEMENT OF TRANSPORTATION OF FREIGHT & CARGO [4731]
		IRS NUMBER:				541317776
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1801 BAYBERRY COURT
		STREET 2:		P O BOX 18100
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23226-1800
		BUSINESS PHONE:		804-289-9600

	MAIL ADDRESS:	
		STREET 1:		1801 BAYBERRY COURT
		STREET 2:		P O BOX 18100
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23226-8100

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PITTSTON CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_162679661081406.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-07-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000078890</issuerCik>
        <issuerName>BRINKS CO</issuerName>
        <issuerTradingSymbol>BCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001609398</rptOwnerCik>
            <rptOwnerName>Davis Simon</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>555 DIVIDEND DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COPPELL</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, CHRO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-07-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>76.04</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19913.402</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The Company withheld shares of common stock to satisfy the tax withholding obligation for the Reporting Person's Restricted Stock Units that vested on July 17, 2021.</footnote>
        <footnote id="F2">Includes 6,879 Restricted Stock Units that have not yet vested.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Beth Davis
Beth Davis, Attorney-in-Fact</signatureName>
        <signatureDate>2021-07-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>davissection16poa072021.htm
<DESCRIPTION>2021.07.09 DAVIS S - POA
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2021 Workiva -->
<title>Document</title></head><body><div id="i37f3d02dd85f4e7cac32233aa79d95c1_1"></div><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">POWER OF ATTORNEY</font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">KNOW ALL BY THESE PRESENTS, that the undersigned does hereby constitute and appoint Lindsay K. Blackwood, Beth Davis and Linda M. MacNally, and each of them, his&#47;her true and lawful attorney-in-fact and agent to sign and file with the Securities and Exchange Commission on his&#47;her behalf with respect to the ownership of, or transactions in, securities of The Brink's Company, any report, statement or form (including Form 3, Form 4 and Form 5, and any amendments thereto), and to do any and all acts and things for purposes of complying with Section 16 of the Securities Exchange Act of 1934, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission thereunder&#59; and the undersigned does hereby ratify and confirm all that each of said attorneys shall do or cause to be done by virtue hereof. </font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The authorization contained herein shall continue in effect until revoked in writing or without notice upon termination of the attorney-in-fact and agent's employment with The Brink's Company and any affiliate thereof.</font></div><div style="text-align:justify;text-indent:36pt"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">IN WITNESS WHEREOF, I have hereunto set my hand this 9th day of July, 2021.</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="margin-bottom:6pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:57.300%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:40.500%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:0.25pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#47;s&#47; Simon Davis</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Simon Davis</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
