CSIMarket Company Name, Ticker, Customers, else..
 
Arthur J Gallagher and Co   (NYSE: AJG)
    Sector • Financial    Industry • Insurance Brokerage
   Industry • Insurance Brokerage
   Sector • Financial
 

AJG's Market share relative to its competitors, as of Q2 2026

As of Q2 2026 (Revenue in Millions of $)

Date modified: 2026-05-09T06:57:27+00:00




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COMPANY NAME REVENUES
12 Months Ending
Q2 2026		 MARKET SHARE
12 Months
Q2 2026		 MARKET SHARE
MRQ
Q2 2026		 MARKET SHARE
A Quarter Before
Q1 2026
Arthur J Gallagher and Co 27,382.50 18.75% 11.85 % 23.77 %
Travelers Companies inc 48,979.00 33.54% 35.97% 29.92%
Truist Financial Corporation 18,657.00 12.78% 14.41% 11.73%
Aon Plc 17,603.00 12.05% 12.57% 12.66%
Unum Group 13,347.70 9.14% 9.97% 8.42%
Brown and Brown Inc 6,399.00 4.38% 4.96% 4.77%
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AJG's Market share relative to its competitors, as of Q2 2026 within the Insurance Brokerage Industry
As of Q2 2026



COMPANY NAME MARKET SHARE
12 Months Ending
Q2 2026		 MARKET SHARE
12 Months Ending
Q1 2026		 MARKET SHARE
MRQ
Q2 2026		 MARKET SHARE

Q1 2026
Arthur J Gallagher and Co 49.28% 46.72% 36.34 % 54.28 %
Aon Plc 31.68% 33.63% 38.55% 28.91%
Brown and Brown Inc 11.52% 11.54% 15.22% 10.89%
Erie Indemnity Company 7.52% 8.12% 9.89% 5.92%



AJG's Market share relative to its competitors, as of Q2 2026 within the Financial Sector
As of Q2 2026



COMPANY NAME MARKET SHARE
12 Months Ending
Q2 2026		 MARKET SHARE
12 Months Ending
Q1 2026		 MARKET SHARE
MRQ
Q2 2026		 MARKET SHARE

Q1 2026
Arthur J Gallagher and Co 18.75% 16.98% 11.85 % 23.77 %
Travelers Companies inc 33.54% 34.70% 35.97% 29.92%
Truist Financial Corporation 12.78% 13.09% 14.41% 11.73%
Aon Plc 12.05% 12.22% 12.57% 12.66%
Unum Group 9.14% 9.29% 9.97% 8.42%
Brown and Brown Inc 4.38% 4.19% 4.96% 4.77%
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Note: Market share is calculated based on total revenue. To get a more accurate picture of Arthur J Gallagher and Co's market divisions, geographic dispersion, segments, products, and services, visit Arthur J Gallagher and Co's Business Segment.

The list includes publicly traded companies only. More information about the sources of this report can be found here.



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