<SEC-DOCUMENT>0001127602-20-006825-index.html : 20200221
<SEC-HEADER>0001127602-20-006825.hdr.sgml : 20200221
<ACCEPTANCE-DATETIME>20200221125429
ACCESSION NUMBER:		0001127602-20-006825
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200219
FILED AS OF DATE:		20200221
DATE AS OF CHANGE:		20200221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GALLAGHER THOMAS JOSEPH
		CENTRAL INDEX KEY:			0001589933

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09761
		FILM NUMBER:		20638452

	MAIL ADDRESS:	
		STREET 1:		TWO PIERCE PLACE
		CITY:			ITASCA
		STATE:			IL
		ZIP:			60143

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARTHUR J. GALLAGHER & CO.
		CENTRAL INDEX KEY:			0000354190
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				362151613
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		250 PARK AVENUE, FIFTH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10177
		BUSINESS PHONE:		212-918-9685

	MAIL ADDRESS:	
		STREET 1:		250 PARK AVENUE, FIFTH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10177

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GALLAGHER ARTHUR J & CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
</SEC-DOCUMENT>