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Q3 2016-Q2 2026
Q3 2016-Q2 2026
Aggressive middle-market broker roll-up; 40+ acquisitions/yr; ~$11B 2024 revenue; founder-family Gallagher still operationally involved.
Arthur J. Gallagher (AJG) is an Insurance: Brokerage company. Aggressive middle-market broker roll-up; 40+ acquisitions/yr; ~$11B 2024 revenue; founder-family Gallagher still operationally involved. It was founded in 1927, is headquartered in Rolling Meadows, IL and employs about 56,000 people.
As of 2026-Q1, Arthur J. Gallagher's revenue breaks down across Commissions (66%), Brokerage (26%), Supplemental Revenue Member (4%), Contingent Revenue (2%). See the revenue-by-segment chart for the full mix.
Track Arthur J. Gallagher's quarterly and annual revenue, gross and net margins, and EPS in the interactive charts on this page. Data last updated August 19, 2026.
Sterling groups Arthur J. Gallagher in the Insurance sector, alongside Marsh McLennan (MMC), Aon (AON), Brown & Brown (BRO), Willis Towers Watson (WTW) and Erie Indemnity (ERIE).
If you are researching Arthur J. Gallagher, also look at Marsh McLennan (MMC), Aon (AON) and Brown & Brown (BRO). You can compare all of them side by side or browse the full Insurance sector on Sterling.