Arthur J. Gallagher & Co.

Arthur J. Gallagher & Co.
Company typePublic
ISINUS3635761097
IndustryInsurance broker
Founded1927 (1927) in Itasca, Illinois, U.S.
FounderArthur J. Gallagher
Headquarters,
U.S.
Key people
Revenue US$13.9 billion (2025)
US$2.26 billion (2025)
US$1.49 billion (2025)
Total assets US$70.7 billion (2025)
Total equity US$23.3 billion (2025)
Number of employees
72,000 (2025)
Websiteajg.com
Footnotes / references

Arthur J. Gallagher & Co. (Gallagher) is an insurance brokerage and risk management services company based in Rolling Meadows, Illinois, a suburb of Chicago. The company provides insurance brokerage (86% of 2024 revenues) and risk management services (14% of 2024 revenues), which primarily includes processing of workers compensation and automobile insurance claims via the company's adjusters.

The company is ranked 367th on the Fortune 500 and 192nd on the Forbes Global 2000.

Founded in 1927, the company ranks among the world's largest insurance brokers.