Top 10 Global Insurance Brokers By Revenues, 2019 (1)

(US$ millions)

Rank Company Brokerage revenues Country
1 Marsh & McLennan Cos. Inc. (2) $16,752 (3) United States
2 Aon PLC 10,939 United Kingdom
3 Willis Towers Watson PLC 8,941 United Kingdom
4 Arthur J. Gallagher & Co. 5,716 United States
5 Hub International Ltd. 2,392 United States
6 Brown & Brown Inc. 2,385 United States
7 Truist Insurance Holdings Inc. (2) 2,271 United States
8 Lockton Cos. LLC (4) 1,868 United States
9 USI Insurance Services LLC 1,831 United States
10 Acrisure LLC 1,807 United States
(1) Revenue generated by insurance brokerage and related services. (2) Reflects acquisitions made in 2019. (3) Business Insurance estimate of pro forma revenue to reflect the acquisition of Assurance Agency Ltd. in April 2020. (4) Fiscal year ending April 30. Source: Business Insurance (www.businessinsurance.com), July 2020.