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Marsh & McLennan Companies Inc

MMCNEW YORK STOCK EXCHANGE, INC.

Marsh & McLennan Cos., Inc. is a professional services firm, which engages in offering clients advice and solutions in risk, strategy, and people. The company is headquartered in New York City, New York and currently employs 90,000 full-time employees. The firm conducts business through two segments: Risk and Insurance Services, and Consulting. Risk and Insurance Services segment includes risk management activities (risk advice, risk transfer and risk control and mitigation solutions) as well as insurance and reinsurance broking and services. The company conducts business in this segment through Marsh and Guy Carpenter. Marsh is an insurance broker and risk advisor, serving companies, institutions and individuals. Guy Carpenter is a reinsurance intermediary and advisor. Consulting segment includes health, wealth and career advice, solutions and products, and specialized management, strategic, economic and brand consulting services. The company conducts business in this segment through Mercer and Oliver Wyman Group. Oliver Wyman Group serves as a critical strategic, economic and brand advisor to private sector and governmental clients.

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Company Information

Employees
90,000
IPO Date
June 4, 1969

Contact Information

Address
1166 Avenue Of The Americas, New York City, NEW YORK US

Market Snapshot

Last Updated: Dec 11, 2025, 11:04 PM · Source: Finnhub.io

all
52-Week High
$248.00
52-Week Low
$174.18
52-Week Return
-20.4%
10-Day Avg Volume
2.6
Beta
0.76
Market Cap
$90.29B
Normalized P/E
22.24

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