New York

Marsh & McLennan Headquarters & Corporate Office

Marsh & McLennan

Marsh & McLennan Companies, Inc. is a global professional services firm, headquartered in New York City with businesses in insurance brokerage, risk management, reinsurance services, talent management, investment advisory, and management consulting. The company creates accessibility by providing a wide variety of options. It operates four subsidiaries that present a broad range of services. These are Marsh, which offers insurance broking and risk management services; Guy Carpenter, which provides risk and reinsurance intermediary services; Mercer, which offers talent, health, retirement, and investment consulting services; and Oliver Wyman, which offers management consulting services.

Industry

Diversified Financials

Established

1871

Corporate Phone Number

1-212-345-5000

Customer Support Phone Number

+1 866 324 4087

No of Employees

85000+

Headquartered Address

1166 Avenue of Americas New York,
NY 10036

Senior Management

John Doyle, President & CEO, Marsh McLennan

Paul Beswick Senior Vice President & Chief Information Officer

Katherine J. Brennan Senior Vice President & General Counsel

Carmen Fernandez Senior Vice President & Chief People Officer

Email:

amelia.woltering@mmc.com

Website:

https://www.mmc.com/

This website is built to provide the most important contact information about the Corporate Offices & Headquarters including Marsh & McLennan Address, Corporate Number and more.

Kevin

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