Top 10 Insurance Brokers by Revenue

Most of the top 10 insurance brokers have their headquarters in the United States, with 2 notable exceptions.

JLT Group has its home office in the United Kingdom and boasts a significant presence in Asia. Gras Savoye is based in France.

1. Marsh and McLennan … US$11.5 billion in 2008 sales (700 offices worldwide)
2. Aon Corp … $7.3 billion (397)
3. Willis Group … $3.4 billion (400)
4. Wells Fargo … $1.7 billion (213)
5. Arthur J. Gallagher … $1.6 billion (200)
6. JLT Group … $992.8 million (76)
7. Brown and Brown … $966 million (132)
8. BB and T Insurance Services … $962.1 million (109)
9. Gras Savoye and Cie … $786.4 million (102)
10. Lockton … $778.4 million (48).

Willis Group (up 36.5%) and Wells Fargo (up 36%) grew their insurance brokerage revenues at the fastest pace.