<SEC-DOCUMENT>0001209191-23-028270.txt : 20230509
<SEC-HEADER>0001209191-23-028270.hdr.sgml : 20230509
<ACCEPTANCE-DATETIME>20230509163609
ACCESSION NUMBER:		0001209191-23-028270
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230507
FILED AS OF DATE:		20230509
DATE AS OF CHANGE:		20230509

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bieling Laura
		CENTRAL INDEX KEY:			0001770196

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32141
		FILM NUMBER:		23902760

	MAIL ADDRESS:	
		STREET 1:		30 WOODBOURNE AVE.
		STREET 2:		5TH FLOOR
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			D0 HM08

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASSURED GUARANTY LTD
		CENTRAL INDEX KEY:			0001273813
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30 WOODBOURNE AVE
		STREET 2:		5TH FLOOR
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			HM08
		BUSINESS PHONE:		441-279-5700

	MAIL ADDRESS:	
		STREET 1:		30 WOODBOURNE AVE
		STREET 2:		5TH FLOOR
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			HM08

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AGR LTD
		DATE OF NAME CHANGE:	20040122

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AGC HOLDINGS LTD
		DATE OF NAME CHANGE:	20031218
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-05-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001273813</issuerCik>
        <issuerName>ASSURED GUARANTY LTD</issuerName>
        <issuerTradingSymbol>AGO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001770196</rptOwnerCik>
            <rptOwnerName>Bieling Laura</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>30 WOODBOURNE AVE</rptOwnerStreet1>
            <rptOwnerStreet2>5TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode>D0 HM08</rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Accounting Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2023-05-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>139</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>52.69</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19324</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Common Shares being withheld to pay tax liability.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ling Chow, Attorney-in-fact</signatureName>
        <signatureDate>2023-05-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
