Current Table

Top 10 Commercial Insurance Brokers Of U.S. Business By Revenue, 2019 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2), (3) $7,934.4
2 Aon PLC 4,982.7
3 Willis Towers Watson PLC (2) 4,291.7
4 Arthur J. Gallagher & Co. (2) 3,944.3
5 Brown & Brown Inc. (2) 2,384.7
6 Truist Insurance Holdings Inc. (2) 2,270.8
7 Hub International Ltd. (2) 1,841.7
8 USI Insurance Services LLC (2) 1,813.0
9 Acrisure LLC (2) 1,716.2
10 Alliant Insurance Services Inc. (2)  1,576.4

(1) Companies that derive more than 49 percent of revenues from personal lines are not ranked.
(2) Reported U.S. acquisitions in 2019.
(3) Acquired Assurance Agency Ltd. on April 1, 2020. Business Insurance estimate of pro forma revenue to reflect acquisition.

Source: Business Insurance (www.businessinsurance.com), July 2020.

 
TOP TEN COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUES, 2008 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. $5,297.4
2 Aon Corp. 2,558.5
3 Willis Group Holdings Ltd. (2) 1,781.9
4 Wells Fargo Insurance Services (3) 1,743.1
5 Arthur J. Gallagher & Co. 1,401.8
6 Brown & Brown Inc. 963.1
7 BB&T Insurance Services Inc. 962.1
8 USI Holdings Corp. 633.2
9 Hub International Ltd. 537.6
10 Lockton Cos. L.L.C. 537.1 (4)

(1) Companies that derive more than 20 percent of revenues generated by U.S.-based clients, from commercial retail brokerage. Excludes revenue from the placement of employee benefits.
(2) Includes Hilb Rogal & Hobbs Co., purchased October 2008.
(3) Includes Wachovia Insurance Services Inc., purchased December 2008.
(4) Fiscal year ending April 30.

Source: Business Insurance, July 20, 2009.

 
TOP TEN COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUES, 2009 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2) $4,938.3
2 Aon Corp. 2,667.6
3 Willis Group Holdings P.L.C. 1,669.2
4 Wells Fargo Insurance Services Inc. 1,560.9
5 Arthur J. Gallagher & Co. 1,523.4
6 BB&T Insurance Services Inc. 1,081.5
7 Brown & Brown Inc. 962.0
8 USI Holdings Corp. 628.0
9 Lockton Cos. L.L.C. 528.5
10 Hub International Ltd. 514.9

(1) Companies that derive more than 50 percent of revenues from commercial retail brokerage or employee benefits.
(2) Revenues do not include HSBC Insurance Brokers Ltd., purchased April 2010.

Source: Business Insurance, July 19, 2010.

 
TOP TEN COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUES, 2010 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. $4,662.2
2 Aon Corp. 4,242.4
3 Willis Group Holdings P.L.C. 1,650.0
4 Wells Fargo Insurance Services USA Inc. 1,649.5
5 Arthur J. Gallagher & Co. 1,557.2
6 BB&T Insurance Services Inc. 1,078.6
7 Brown & Brown Inc. 964.0
8 USI Holdings Corp. 632.2
9 Lockton Cos. L.L.C. (2) 578.8
10 Hub International Ltd. 510.3

(1) Companies that derive more than 50 percent of revenues from commercial retail brokerage or employee benefits.
(2) Fiscal year ending April 30.

Source: Business Insurance, July 18, 2011.

 
TOP TEN COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUES, 2011 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. $5,068.4
2 Aon P.L.C. 5,052.6
3 Arthur J. Gallagher & Co. 1,694.3
4 Wells Fargo Insurance Services USA Inc. 1,626.9
5 Willis Group Holdings P.L.C. 1,604.6
6 Brown & Brown Inc. 1,107.7
7 BB&T Insurance Services Inc. 1,104.1
8 National Financial Partners Corp. 693.0
9 USI Holdings Corp. 659.3
10 Lockton Cos. L.L.C. (2) 633.1

(1) Companies that derive more than 49 percent of revenues from personal lines business are not ranked.
(2) Fiscal year ending April 30.

Source: Business Insurance, July 16, 2012.

 
TOP TEN COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUES, 2012 (1)

($ millions)

Rank Company Brokerage revenues
1 Aon P.L.C. $5,318.0
2 Marsh & McLennan Cos. Inc. 5,300.2
3 Arthur J. Gallagher & Co. 1,908.0
4 Willis Group Holdings P.L.C. 1,625.3
5 Wells Fargo Insurance Services USA Inc. 1,575.4
6 BB&T Insurance Holdings Inc. 1,480.3
7 Brown & Brown Inc. (2) 1,386.4
8 Lockton Cos. L.L.C. (3) 745.3
9 National Financial Partners Corp. 744.2
10 USI Holdings Corp. 712.5

(1) Companies that derive more than 49 percent of revenues from personal lines business are not ranked.
(2) Pro forma to reflect the July 1, 2013 purchase of Beecher Carlson Holdings Inc.
(3) Fiscal year ending April 30.

Source: Business Insurance, July 29, 2013.

 
TOP TEN COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUES, 2013 (1)

($ millions)

Rank Company Brokerage revenues
1 Aon P.L.C. $5,561
2 Marsh & McLennan Cos. Inc. (2) 5,522
3 Arthur J. Gallagher & Co. (2) 2,111
4 Willis Group Holdings P.L.C. 1,744
5 BB&T Insurance Holdings Inc. (2) 1,582
6 Brown & Brown Inc. 1,356
7 Wells Fargo Insurance Services USA Inc. 1,350
8 Lockton Cos. L.L.C. (3) 826
9 USI Holdings Corp. (2) 782
10 Hub International Ltd. (2) 769

(1) Companies that derive less than 50 percent of revenues from commercial retail brokerage or employee benefits are not ranked.
(2) Reported U.S. acquisitions in 2013.
(3) Fiscal year ending April 30.

Source: Business Insurance (www.businessinsurance.com), July 21, 2014.

 
TOP 10 COMMERCIAL INSURANCE BROKERS OF U.S. BUSINESS BY REVENUE, 2014 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2) $5,835
2 Aon P.L.C.  5,811
3 Arthur J. Gallagher & Co. (2) 2,400
4 Willis Group Holdings P.L.C. (2) 1,733
5 BB&T Insurance Holdings Inc. (2) 1,714
6 Brown & Brown Inc. (2) 1,567
7 Wells Fargo Insurance Services USA Inc.  1,299
8 USI Holdings Corp. (2) 913
9 Lockton Cos. L.L.C. (3) 911
10 Hub International Ltd. (2) 907

(1) Companies that derive less than 50 percent of revenues from commercial retail brokerage or employee benefits are not ranked.
(2) Reported U.S. acquisitions in 2014.
(3) Fiscal year ending April 30.

Source: Business Insurance (www.businessinsurance.com), July 20, 2015.

 
Top 10 Commercial Insurance Brokers Of U.S. Business By Revenue, 2015 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2) $6,327
2 Aon P.L.C.  6,052
3 Willis Towers Watson P.L.C. (2) 3,981
4 Arthur J. Gallagher & Co. 2,713
5 BB&T Insurance Holdings Inc. 1,676
6 Brown & Brown Inc. 1,657
7 Wells Fargo Insurance Services USA Inc.  1,316
8 Hub International Ltd. 1,147
9 USI Insurance Services L.L.C. 1,028
10 Lockton Cos. L.L.C. (3) 996

(1) Companies that derive less than 50 percent of revenues from commercial retail brokerage or employee benefits are not ranked.
(2) Reported U.S. acquisitions in 2015.
(3) Fiscal year ending April 30.

Source: Business Insurance (www.businessinsurance.com), July 18, 2016.

 
Top 10 Commercial Insurance Brokers Of U.S. Business By Revenue, 2016 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2) $6,614.5
2 Aon P.L.C. (2) 6,065.9
3 Willis Towers Watson P.L.C.  3,733.4
4 Arthur J. Gallagher & Co. (2) 2,888.4
5 BB&T Insurance Holdings Inc. (2) 1,809.2
6 Brown & Brown Inc. (2) 1,762.8
7 Hub International Ltd. (2) 1,286.1
8 Lockton Cos. L.L.C. (3) 1,054.7
9 USI Insurance Services L.L.C. (2) 1,030.1
10 Wells Fargo Insurance Services USA Inc.  980.8

(1) Companies that derive more than 49 percent of revenues from personal lines are not ranked.
(2) Reported U.S. acquisitions in 2016.
(3) Fiscal year ending April 30.

Source: Business Insurance (www.businessinsurance.com), July 2017.

 
Top 10 Commercial Insurance Brokers Of U.S. Business By Revenue, 2017 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2) $6,877.2
2 Aon P.L.C. (2) 4,411.0
3 Willis Towers Watson P.L.C. 3,814.5
4 Arthur J. Gallagher & Co. (2) 3,132.2
5 BB&T Insurance Holdings Inc. (2) 1,918.3
6 Brown & Brown Inc. (2) 1,857.3
7 USI Insurance Services L.L.C. (2) 1,635.0
8 Hub International Ltd. (2) 1,459.4
9 Lockton Cos. L.L.C. (2), (3) 1,157.6
10 Alliant Insurance Services Inc. (2)  1,123.6

(1) Companies that derive more than 49 percent of revenues from personal lines are not ranked.
(2) Reported U.S. acquisitions in 2017.
(3) Fiscal year ending April 30.

Source: Business Insurance (www.businessinsurance.com), July 2018.

 
Top 10 Commercial Insurance Brokers Of U.S. Business By Revenue, 2018 (1)

($ millions)

Rank Company Brokerage revenues
1 Marsh & McLennan Cos. Inc. (2), (3) $7,524.0
2 Aon PLC (2) 4,654.4
3 Willis Towers Watson PLC  3,954.1
4 Arthur J. Gallagher & Co. (2) 3,574.6
5 BB&T Insurance Holdings Inc. (2) 2,016.3
6 Brown & Brown Inc. (2) 2,009.9
7 Hub International Ltd. (2) 1,674.4
8 USI Insurance Services LLC (2) 1,665.4
9 Alliant Insurance Services Inc. (2) 1,346.2
10 Acrisure LLC (2) 1,323.0

(1) Companies that derive more than 49 percent of revenues from personal lines are not ranked.
(2) Reported U.S. acquisitions in 2018 and 2019.
(3) Pro forma to reflect the acquisition of Jardine Lloyd Thompson Group PLC in April 2019.

Source: Business Insurance (www.businessinsurance.com), July 2019.