Arthur J. Gallagher
Founded in 1927 as a one-person agency, Gallagher’s primary business is insurance brokerage, with a focus on serving middle-market companies. The company’s risk management segment provides third-party claims adjustment to companies that choose to self-insure. Gallagher has about 56,000 employees and generates about a third of its revenue internationally, primarily in Australia, Canada, New Zealand, and the UK.
Founded in 1927 as a one-person agency, Gallagher’s primary business is insurance brokerage, with a focus on serving middle-market companies. The company’s risk management segment provides third-party claims adjustment to companies that choose to self-insure. Gallagher has about 56,000 employees and generates about a third of its revenue internationally, primarily in Australia, Canada, New Zealand, and the UK.
$66.6B
Market Cap • 1/8/2026
1927
(99 years)
Founded
1984
(42 years ago)
IPO
NYSE
Listing Exchange
