Last year, Aon PLC generated 8.50B USD for its biggest-performing segment, Commercial Risk Solutions. The United States made the largest contribution, accounting for 8.28B USD last year. For the latest quarter, Aon PLC reported the revenue of 2.29B USD for the period ending 2026-06-30, which came from the top-performing segment, Commercial Risk Solutions. United States contributed the highest revenue, at 2.02B USD.