<SEC-DOCUMENT>0001127602-23-012395.txt : 20230404
<SEC-HEADER>0001127602-23-012395.hdr.sgml : 20230404
<ACCEPTANCE-DATETIME>20230404173506
ACCESSION NUMBER:		0001127602-23-012395
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230401
FILED AS OF DATE:		20230404
DATE AS OF CHANGE:		20230404

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pullum Anne
		CENTRAL INDEX KEY:			0001688834

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16503
		FILM NUMBER:		23799758

	MAIL ADDRESS:	
		STREET 1:		C/O WILLIS TOWERS WATSON, 200 LIBERTY ST
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10281

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WILLIS TOWERS WATSON PLC
		CENTRAL INDEX KEY:			0001140536
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		C/O WILLIS GROUP LIMITED
		STREET 2:		51 LIME STREET
		CITY:			LONDON ENGLAND
		STATE:			X0
		ZIP:			EC3M 7DQ
		BUSINESS PHONE:		44-20-3124-6000

	MAIL ADDRESS:	
		STREET 1:		C/O WILLIS GROUP LIMITED
		STREET 2:		51 LIME STREET
		CITY:			LONDON ENGLAND
		STATE:			X0
		ZIP:			EC3M 7DQ

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WILLIS GROUP HOLDINGS PLC
		DATE OF NAME CHANGE:	20100104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WILLIS GROUP HOLDINGS LTD
		DATE OF NAME CHANGE:	20010514
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-04-01</periodOfReport>

    <issuer>
        <issuerCik>0001140536</issuerCik>
        <issuerName>WILLIS TOWERS WATSON PLC</issuerName>
        <issuerTradingSymbol>WTW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688834</rptOwnerCik>
            <rptOwnerName>Pullum Anne</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WILLIS GROUP LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>51 LIME STREET</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>EC3M 7DQ</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Head of Europe</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares, nominal value $0.000304635 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2023-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1176</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17949.9516</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares, nominal value $0.000304635 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2023-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>X</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17953.9516</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Dividend Equivalent Rights</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>X</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares, nominal value $0.000304635 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8.803</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Comprised of 1,176 time-based restricted share units (&quot;RSUs&quot;), which represent the right to receive ordinary shares, par value $0.000304635 per share, of the Issuer. The RSUs shall vest ratably over a three-year period as of the first, second and third anniversaries of the grant date.</footnote>
        <footnote id="F2">The dividend equivalent rights accrued on the reporting person's RSU award and were credited in the form of additional RSUs that vested and were payable at the same time as the underlying RSUs. Each dividend equivalent right is the economic equivalent of one WTW Ordinary Share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Anne Pullum, by Elaine Wiggins, Attorney-in-Fact (power of attorney previously filed)</signatureName>
        <signatureDate>2023-04-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
