15 Largest Insurance Brokerages Worldwide
The Top 15 Here are the 15 largest insurance brokerages listed in descending order based on 2021 revenue. Marsh & McLennan Cos., Inc.Revenue: $19.8 billionHeadquarters1166 Avenue of the AmericasNew York City, NY 10036Tel.: (212) 345-5000Website: https://www.mmc.com2. Aon plcRevenue: $12.2 billionHeadquartersThe Aon CentreThe Leadenhall Building122 Leadenhall St.London, England EC3V 4ANTel.: +44 (0)20 7623 5500Fax: +44 (0)20 7621 1511Website: http://www.aon.com3. WTWRevenue: $9 billionHeadquartersThe Willis Building51 Lime St.London, England EC3M 7DQTel.: +44 (0) 203 124 6000Website: https://www....