<SEC-DOCUMENT>0001209191-22-009512.txt : 20220214
<SEC-HEADER>0001209191-22-009512.hdr.sgml : 20220214
<ACCEPTANCE-DATETIME>20220214190347
ACCESSION NUMBER:		0001209191-22-009512
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220211
FILED AS OF DATE:		20220214
DATE AS OF CHANGE:		20220214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Stevens Lisa
		CENTRAL INDEX KEY:			0001792850

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07933
		FILM NUMBER:		22636180

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH
		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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<SEQUENCE>1
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            <officerTitle>Chief People Officer</officerTitle>
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    <footnotes>
        <footnote id="F1">Includes shares acquired under Aon employee stock purchase plan on June 30, 2021.</footnote>
        <footnote id="F2">Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.</footnote>
        <footnote id="F3">Includes shares acquired under Aon employee stock purchase plan on December 31, 2021.</footnote>
        <footnote id="F4">Class A Ordinary Shares withheld by the issuer for payment of withholding taxes in connection with the vesting of the award.</footnote>
        <footnote id="F5">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="F6">A restricted share unit award was granted on February 13, 2020 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>
        <footnote id="F7">A restricted share unit award was granted on February 11, 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 Lisa Stevens</signatureName>
        <signatureDate>2022-02-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
