<SEC-DOCUMENT>0001209191-20-010284.txt : 20200218
<SEC-HEADER>0001209191-20-010284.hdr.sgml : 20200218
<ACCEPTANCE-DATETIME>20200218172546
ACCESSION NUMBER:		0001209191-20-010284
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200213
FILED AS OF DATE:		20200218
DATE AS OF CHANGE:		20200218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			O'Connor Michael J
		CENTRAL INDEX KEY:			0001506411

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07933
		FILM NUMBER:		20626505

	MAIL ADDRESS:	
		STREET 1:		C/O AON CORPORATION
		STREET 2:		200 EAST RANDOLPH STREET, 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:				363051915
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		THE LEADENHALL BUILDING
		STREET 2:		122 LEADENHALL STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC3V 4AN
		BUSINESS PHONE:		(44) 20 7623 5500

	MAIL ADDRESS:	
		STREET 1:		THE LEADENHALL BUILDING
		STREET 2:		122 LEADENHALL STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC3V 4AN

	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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    <footnotes>
        <footnote id="F1">Represents Class A Ordinary Shares upon the settlement of performance share unit awards originally granted approximately three years ago under the twelfth cycle of the Company's Leadership Performance Program. The number of shares issued was determined by the Organization and Compensation Committee of the Board of Directors on February 13, 2020, based on the Company's performance for the period from January 1, 2017 to December 31, 2019.</footnote>
        <footnote id="F2">Includes shares acquired under Aon employee stock purchase plan on June 28, 2019 and on December 31, 2019.</footnote>
        <footnote id="F3">Class A Ordinary Shares withheld by the issuer for payment of withholding taxes in connection with the vesting of the award.</footnote>
        <footnote id="F4">Class A Ordinary Shares acquired upon the vesting of a restricted share unit 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 U.K. 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 16, 2017 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 15, 2018 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="F8">A restricted share unit award was granted on February 14, 2019 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/ Molly Johnson- Molly Johnson pursuant to power of attorney from Michael O'Connor</signatureName>
        <signatureDate>2020-02-18</signatureDate>
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