<SEC-DOCUMENT>0001209191-23-009570.txt : 20230214
<SEC-HEADER>0001209191-23-009570.hdr.sgml : 20230214
<ACCEPTANCE-DATETIME>20230214203747
ACCESSION NUMBER:		0001209191-23-009570
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230210
FILED AS OF DATE:		20230214
DATE AS OF CHANGE:		20230214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Case Gregory C
		CENTRAL INDEX KEY:			0001322803

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07933
		FILM NUMBER:		23633227

	MAIL ADDRESS:	
		STREET 1:		C/O AON CORPORATE LAW DEPT
		STREET 2:		200 EAST RANDOLPH ST, 8TH FL
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aon plc
		CENTRAL INDEX KEY:			0000315293
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				981539969
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		METROPOLITAN BUILDING
		STREET 2:		JAMES JOYCE STREET
		CITY:			DUBLIN 1
		STATE:			L2
		ZIP:			D01 K0Y8
		BUSINESS PHONE:		35312666000

	MAIL ADDRESS:	
		STREET 1:		METROPOLITAN BUILDING
		STREET 2:		JAMES JOYCE STREET
		CITY:			DUBLIN 1
		STATE:			L2
		ZIP:			D01 K0Y8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AON CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMBINED INTERNATIONAL CORP
		DATE OF NAME CHANGE:	19870504
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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        <issuerName>Aon plc</issuerName>
        <issuerTradingSymbol>AON</issuerTradingSymbol>
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            <rptOwnerName>Case Gregory C</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
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                    <value>0.00</value>
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                    <value>D</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Ordinary Stock</value>
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            <transactionDate>
                <value>2023-02-10</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
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        </nonDerivativeHolding>
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                <natureOfOwnership>
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                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
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        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Share Unit (Right to Receive)</value>
            </securityTitle>
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                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
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                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1765</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
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                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2024-02-12</value>
                <footnoteId id="F5"/>
            </expirationDate>
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                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
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            <ownershipNature>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
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    <footnotes>
        <footnote id="F1">On November 10, 2022, the GRAT returned 141,311 shares to the reporting person as an annuity payment. Also on November 10, 2022, the GRAT transferred 70,684 and 70,683 shares to trusts reported as indirectly owned by the reporting person. On November 29, 2022, the reporting person contributed 400,000 shares previously held as direct to a new GRAT.</footnote>
        <footnote id="F2">Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.</footnote>
        <footnote id="F3">Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of the award.</footnote>
        <footnote id="F4">The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis.  In accordance with Irish law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.</footnote>
        <footnote id="F5">A restricted share unit award was granted on February 12, 2021 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Julie Cho - Julie Cho pursuant to a power of attorney from Greg Case</signatureName>
        <signatureDate>2023-02-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
