About
Gallagher appears at No. 490 in the 2026 Global 2000, a multi-factor ranking based on sales, profits, assets and market value. The company is headquartered in Rolling Meadows, Illinois, United States and operates primarily in insurance. Reported figures used for the ranking include $15.0B in sales, $1.6B in profit, $78.3B in assets and a market value of $51.4B.