Marsh & McLennan Companies (MMC) - Market capitalization

Market cap: £92.59 Billion

As of March 2025 Marsh & McLennan Companies has a market cap of £92.59 Billion. This makes Marsh & McLennan Companies the world's 147th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Marsh & McLennan Companies from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£92.59 B	10.83%
2024	£83.54 B	13.93%
2023	£73.32 B	8.08%
2022	£67.84 B	4.54%
2021	£64.90 B	49.08%
2020	£43.53 B	1.74%
2019	£42.78 B	35.17%
2018	£31.65 B	2.99%
2017	£30.73 B	8.82%
2016	£28.24 B	44.63%
2015	£19.52 B	-1.66%
2014	£19.85 B	23.88%
2013	£16.02 B	37.79%
2012	£11.63 B	6.3%
2011	£10.94 B	14.33%
2010	£9.57 B	32.45%
2009	£7.22 B	-15.09%
2008	£8.51 B	22.76%
2007	£6.93 B	-19.74%
2006	£8.63 B	-14.02%
2005	£10.04 B	11.3%
2004	£9.02 B	-35.98%
2003	£14.10 B	-9.09%
2002	£15.51 B	-23.7%
2001	£20.32 B	-6.05%
2000	£21.63 B	36.84%
1999	£15.81 B	75.14%
1998	£9.02 B	17.1%
1997	£7.71 B	75.62%
1996	£4.39 B

End of Day market cap according to different sources

On Mar 3rd, 2025 the market cap of Marsh & McLennan Companies was reported to be:

£92.59 Billion

by Yahoo Finance

£92.59 Billion

by CompaniesMarketCap

£92.57 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Aon AON	£69.60 B	-24.83%	🇬🇧 UK
Verisk Analytics VRSK	£33.27 B	-64.06%	🇺🇸 USA
AXIS Capital AXS	£6.20 B	-93.29%	🇧🇲 Bermuda
Arch Capital ACGL	£27.47 B	-70.33%	🇧🇲 Bermuda
Prudential PUK	£19.19 B	-79.27%	🇬🇧 UK

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Marsh & McLennan Companies (MMC)

Market cap: £92.59 Billion