<SEC-DOCUMENT>0000078890-22-000279.txt : 20220603
<SEC-HEADER>0000078890-22-000279.hdr.sgml : 20220603
<ACCEPTANCE-DATETIME>20220603170020
ACCESSION NUMBER:		0000078890-22-000279
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220601
FILED AS OF DATE:		20220603
DATE AS OF CHANGE:		20220603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Castillo Daniel J
		CENTRAL INDEX KEY:			0001535412

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09148
		FILM NUMBER:		22995514

	MAIL ADDRESS:	
		STREET 1:		2645 SILVER CRESCENT DRIVE
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28273

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_165428999958395.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001535412</rptOwnerCik>
            <rptOwnerName>Castillo Daniel J</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>EVP</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12625</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12625</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Each Restricted Stock Unit represents a right to receive, subject to the terms and conditions of the 2017 Equity Incentive Plan and a Restricted Stock Units Award Agreement, one share of the Company's common stock subject to vesting in three annual installments, beginning in June 2023.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Beth Davis, Attorney-in-Fact</signatureName>
        <signatureDate>2022-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex-24.htm
<DESCRIPTION>2022.04.29 CASTILLO, D. - POA
<TEXT>
<!-- Document created using Workiva -->
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<pre>
POWER OF ATTORNEY


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 true and lawful attorney-in-fact and agent to sign and file with the Securities and Exchange Commission on his 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; and the undersigned does hereby ratify and confirm all that each of said attorneys shall do or cause to be done by virtue hereof.

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.

IN WITNESS WHEREOF, I have hereunto set my hand this 29th day of April, 2022.


/s/ Daniel J. Castillo
Daniel J. Castillo
</pre>
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