<SEC-DOCUMENT>0001193125-22-081815-index.html : 20220323
<SEC-HEADER>0001193125-22-081815.hdr.sgml : 20220323
<ACCEPTANCE-DATETIME>20220322184203
ACCESSION NUMBER:		0001193125-22-081815
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20220510
FILED AS OF DATE:		20220323
DATE AS OF CHANGE:		20220322

FILER:

	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:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09761
		FILM NUMBER:		22761089

	BUSINESS ADDRESS:	
		STREET 1:		2850 GOLF ROAD
		CITY:			ROLLING MEADOWS
		STATE:			IL
		ZIP:			60008-4050
		BUSINESS PHONE:		630-773-3800

	MAIL ADDRESS:	
		STREET 1:		2850 GOLF ROAD
		CITY:			ROLLING MEADOWS
		STATE:			IL
		ZIP:			60008-4050

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARTHUR J. GALLAGHER & CO.
		DATE OF NAME CHANGE:	20190819

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GALLAGHER ARTHUR J & CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d245239ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d245239ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>2
<FILENAME>d245239ddef14a1.pdf
<DESCRIPTION>COURTESY PDF
<TEXT>
Document 2 - file: d245239ddef14a1.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g245239g00k67.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g245239g00k67.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g245239g00k68.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g245239g00k68.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g245239g05d48.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g245239g05d48.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g245239g12r97.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g245239g12r97.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g245239g19r08.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g245239g19r08.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g245239g19r09.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g245239g19r09.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g245239g33y25.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g245239g33y25.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g245239g40l30.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g245239g40l30.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g245239g55y99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g245239g55y99.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g245239g62x84.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g245239g62x84.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g245239g69o27.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g245239g69o27.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g245239g72f99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g245239g72f99.jpg

</DOCUMENT>
</SEC-DOCUMENT>