Companies
Arthur J. Gallagher & Co.
InsuranceRolling Meadows, IllinoisAJGAbout 72,000 employees
More about Arthur J. Gallagher & Co.
Insurance brokerage and claims management firm serving businesses and individuals
Revenue
$13.9B
Fiscal 2025, up about 21%
Employees
About 72,000
As of December 2025
Stock
AJG
New York Stock Exchange
Headquarters
Rolling Meadows, Illinois
CEO
J. Patrick Gallagher Jr.
Since 1995
Main businessesInsurance brokerage, risk management (Gallagher Bassett)
Current strategyGrowing through new sales and a steady acquisition program, including the $13.8B purchase of AssuredPartners in August 2025
CompetitorsMarsh McLennan, Aon, Brown & Brown
Related companiesAonMarsh McLennanBrown & Brown
Checked October 11, 2026 · Sources: sec.gov, sec.gov (2)
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