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Marsh McLennan (NYSE: MMC) is the world’s leading professional services firm in the areas of risk, strategy and people. The Company’s more than 85,000 colleagues advise clients in 130 countries. With annual revenue of over $20 billion, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses. Marsh provides data driven risk advisory services and insurance solutions to commercial and consumer clients. Guy Carpenter develops advanced risk, reinsurance and capital strategies that help clients grow profitably and pursue emerging opportunities. Mercer delivers advice and technology-driven solutions that help organizations redefine the world of work, reshape retirement and investment outcomes, and unlock health and wellbeing for a changing workforce. Oliver Wyman serves as a critical strategic, economic and brand advisor to private sector and governmental clients. Follow us on Twitter at @marshmclennan.

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Ticker MMC
Revenue $16.65 billion
Employees 75,733 (15,593 on RocketReach)
Founded 1871
Address 1166 Avenue of the Americas, New York, New York 10036, US
Phone (212) 345-5000
Fax (212) 345-4808
JavaScript, HTML, PHP +520 more (view full list)
Category Financial Services, Management Consulting, Insurance Broking, Business Services, Risk advisory services, HR and related consulting, outsourcing and investments services, Management consulting
Competitors Alliant Insurance Services, Cottingham & Butler, Holmes Murphy, Lockton, Risk Strategies Company
SIC 671, 67
NAICS 54, 22, 54161, 541, 541611, 5416

Marsh McLennan Questions

The Marsh McLennan annual revenue was $16.65 billion in 2023.

15,593 people are employed at Marsh McLennan.

Marsh McLennan is based in New York, New York.

The NAICS codes for Marsh McLennan are [54, 22, 54161, 541, 541611, 5416].

The SIC codes for Marsh McLennan are [671, 67].

Top Marsh McLennan Employees

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