<SEC-DOCUMENT>0001209191-21-013602.txt : 20210223
<SEC-HEADER>0001209191-21-013602.hdr.sgml : 20210223
<ACCEPTANCE-DATETIME>20210223214229
ACCESSION NUMBER:		0001209191-21-013602
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210220
FILED AS OF DATE:		20210223
DATE AS OF CHANGE:		20210223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			O'Brien Dana C.
		CENTRAL INDEX KEY:			0001134707

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09148
		FILM NUMBER:		21668282

	MAIL ADDRESS:	
		STREET 1:		1111 LOUISIANA STREET
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

	FORMER NAME:	
		FORMER CONFORMED NAME:	Carabin Dana A
		DATE OF NAME CHANGE:	20060309

	FORMER NAME:	
		FORMER CONFORMED NAME:	GORDON DANA A
		DATE OF NAME CHANGE:	20010213

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>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-02-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001134707</rptOwnerCik>
            <rptOwnerName>O'Brien Dana C.</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 and General Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-02-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>335</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>72.76</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11427</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <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 February 20, 2021.</footnote>
        <footnote id="F2">Includes 9,584 Restricted Stock Units that have not yet vested and shares that will be withheld to satisfy tax withholding obligations for the reporting person on the date that the performance share units are paid to the reporting person. The shares withheld will be reported on a subsequent filing.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Lindsay K. Blackwood
Lindsay K. Blackwood, Attorney-in-Fact</signatureName>
        <signatureDate>2021-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
