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Marsh and Mclennan Companies Inc   (NYSE: MRSH)
    Sector • Financial    Industry • Insurance Brokerage
   Industry • Insurance Brokerage
   Sector • Financial
 

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

As of Q2 2026 (Revenue in Millions of $)

Date modified: 2026-05-25T20:51:05+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
Marsh and Mclennan Companies Inc 26,509.00 2.90% 3.12 % 3.28 %
Berkshire Hathaway Inc 375,394.00 41.03% 42.93% 40.38%
The Cigna Group 277,892.00 30.37% 28.88% 31.24%
American International Group Inc 26,642.00 2.91% 2.99% 2.87%
Reinsurance Group Of America Incorporated 24,932.00 2.72% 2.80% 2.80%
Automatic Data Processing Inc 21,600.50 2.36% 2.50% 2.31%
27 more competitors available

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MRSH's Market share relative to its competitors, as of Q2 2026 within the 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
Marsh and Mclennan Companies Inc 57.27% 57.68% 60.59 % 57.60 %
Aon Plc 37.83% 37.42% 34.75% 38.20%
Crawford and Co 2.83% 2.85% 2.62% 2.42%
Corvel Corporation 2.07% 2.04% 2.05% 1.78%



MRSH's Market share relative to its competitors, as of Q2 2026 within the 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
Marsh and Mclennan Companies Inc 2.99% 3.01% 3.22 % 3.38 %
Berkshire Hathaway Inc 42.27% 42.19% 44.28% 41.57%
The Cigna Group 31.29% 31.22% 29.79% 32.16%
American International Group Inc 3.00% 3.04% 3.08% 2.95%
Reinsurance Group Of America Incorporated 2.81% 2.69% 2.89% 2.88%
Arch Capital Group Ltd 2.23% 2.26% 2.03% 2.01%
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Note: Market share is calculated based on total revenue. To get a more accurate picture of Marsh and Mclennan Companies Inc's market divisions, geographic dispersion, segments, products, and services, visit Marsh and Mclennan Companies Inc'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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