Marsh McLennan logo

Marsh McLennan

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.

Free account • No credit card • 5 profiles/day

Financial Services 65,535 Employees Found New York, United States Founded 1871 956 Similar Companies
65,535 Employees Found
95% Email Coverage
$15.0B Est Revenue
1 Office HQ
956 Similar Companies
Jun '26 Last Verified

Marsh McLennan – Company Information

Financial Services
Founded 1871
1166 Avenue of the Americas, New York, NY 10036, US
Management consulting Insurance Broking Risk advisory services HR and related consulting outsourcing and investments services

Marsh McLennan Competitors

JLT Specialty
JLT Specialty

Insurance • 201-500 employees • 138 Houndsditch, United Kingdom

Equifax
Equifax

Financial Services • 10,001+ employees • Atlanta, United States

Broadridge Financial Solutions
Broadridge Financial Solutions

Financial Services • 10,001+ employees • New York, United States

S&P Global Market Intelligence
S&P Global Market Intelligence

Financial Services • 10,001+ employees • New York, United States

Global Payments Inc.
Global Payments Inc.

Financial Services • 10,001+ employees • Atlanta, United States

Northern Trust
Northern Trust

Financial Services • 10,001+ employees • Chicago, United States

View all

Frequently asked questions about Marsh McLennan

What is Marsh McLennan email format?

The widely used Marsh McLennan email format is {first_initial}{last} (e.g. jsmith@marsh.com) with 75.00% adoption across the company.

What is Marsh McLennan customer service number?

To contact Marsh McLennan customer service number in your country click here to find.

Who is the CEO of Marsh McLennan?

Tarik Serpil is the CEO of Marsh McLennan.

Who are the decision makers in Marsh McLennan?

The decision makers in Marsh McLennan are Francis Bouchard, Tarik Serpil, Roy Locke, etc. Click to Find Marsh McLennan decision makers emails.