Marsh & McLennan Companies, Inc.

Headquarters: New York, NY, United States

Founded: 1905

Employees: 83,000

CEO: Mr. Daniel S. Glaser

NYSE: MMC -0.05%

Market Cap

$94.42 Billion

USD as of Jan. 1, 2024

Market Cap History

Company Description

Marsh & McLennan Companies, Inc. is a global professional services company operating in insurance brokerage, risk management, reinsurance services, talent management, investment advisory, and management consulting. Tracing its origins to 1905 and headquartered in New York City, Marsh & McLennan operates in insurance through its subsidiaries, Marsh, Guy Carpenter, and Jardine Lloyd Thompson, and in consulting with Mercer and Oliver Wyman Group.

Marsh & McLennan Companies, Inc. market capitalization over time

Evolution of Marsh & McLennan Companies, Inc. market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of Marsh & McLennan Companies, Inc.

Detailed Description

Marsh & McLennan Companies, Inc., a professional services company, provides advice and solutions to clients in the areas of risk, strategy, and people worldwide. It operates in two segments, Risk and Insurance Services, and Consulting. The Risk and Insurance Services segment offers risk management services, such as risk advice, risk transfer, and risk control and mitigation solutions, as well as insurance and reinsurance broking, catastrophe and financial modeling, and related advisory services; and insurance program management services. This segment serves businesses, public entities, insurance companies, associations, professional services organizations, and private clients. The Consulting segment provides health, wealth, and career consulting services and products; and specialized management, as well as economic and brand consulting services. Marsh & McLennan Companies, Inc. was founded in 1871 and is headquartered in New York, New York.

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Stocks & Indices

Marsh & McLennan Companies, Inc. has the following listings and related stock indices.

Stock: NYSE: MMC wb_incandescent

Stock: LSE: MHM wb_incandescent

Stock: FSX: MSN wb_incandescent

Key People

H. Edward Hanway (Chairman) Dominick Burke (Vice Chairman) Dan S. Glaser (President and CEO)


Revenue: US$19.84 Billion (Fiscal Year Ended December 31, 2021)

Operating income: US$3.066 Billion (Fiscal Year Ended December 31, 2020)

Net income: US$2.016 Billion (Fiscal Year Ended December 31, 2020)

Total assets: US$33.049 Billion (Fiscal Year Ended December 31, 2020)

Total equity: US$9.260 Billion (Fiscal Year Ended December 31, 2020)



1166 Avenue of the Americas

New York, NY 10036-2774

United States

Phone: 212-345-5000