<SEC-DOCUMENT>0001193125-18-281817-index.html : 20180925
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<ACCEPTANCE-DATETIME>20180925083327
ACCESSION NUMBER:		0001193125-18-281817
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		15
FILED AS OF DATE:		20180925
DATE AS OF CHANGE:		20180925
EFFECTIVENESS DATE:		20180925

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-227514
		FILM NUMBER:		181084749

	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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aon Corp
		CENTRAL INDEX KEY:			0001556748
		IRS NUMBER:				363051915
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-227514-01
		FILM NUMBER:		181084748

	BUSINESS ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		312-381-1000

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
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Document 1 - file: d623456ds3asr.htm

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<DESCRIPTION>EX-5.1
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Document 2 - file: d623456dex51.htm

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<DESCRIPTION>EX-5.2
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Document 3 - file: d623456dex52.htm

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Document 4 - file: d623456dex231.htm

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<DESCRIPTION>EX-25.1
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Document 5 - file: d623456dex251.htm

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<DESCRIPTION>EX-25.2
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Document 6 - file: d623456dex252.htm

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<DESCRIPTION>EX-25.3
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Document 7 - file: d623456dex253.htm

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Document 8 - file: d623456dex254.htm

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<DESCRIPTION>EX-25.5
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Document 9 - file: d623456dex255.htm

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<DESCRIPTION>EX-25.6
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Document 10 - file: d623456dex256.htm

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Document 11 - file: g623456g04u22.jpg

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Document 12 - file: g623456g20p55.jpg

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Document 13 - file: g623456g47d78.jpg

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Document 14 - file: g623456g71d78.jpg

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Document 15 - file: g623456g76v27.jpg

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