Guy Carpenter

Marsh & McLennan

Marsh & McLennan Headquarters at 1166 6th Avenue in New York City
Type	Public
Traded as	: MMC S&P 500 Component
Industry	Insurance brokers, professional services
Founded	Chicago, Illinois, U.S. (1905)
Headquarters	1166 Avenue of the Americas, New York City, New York, U.S., United States
Key people	Dan Glaser (President & CEO)
Revenue	$13 billion (2014)
Operating income	$2.3 billion (2014)
Net income	$1.47 billion (2014)
Total assets	$17.8 billion (2014)
Total equity	$7.1 billion (2014)
Number of employees	57,000 (2014)
Subsidiaries	Marsh, Guy Carpenter, Mercer, Oliver Wyman Group
Website	mmc.com

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.

Marsh & McLennan Companies was ranked 29th on the 2012 Bloomberg Businessweek 50, the magazine's annual ranking of the S&P 500's top 50 performing companies.

The firm was established in 1905 and is considered the largest insurance broker in the world (2015) by revenue.

Burroughs, Marsh & McLennan was formed by Henry W. Marsh and Donald R. McLennan in Chicago in 1905. It was renamed as Marsh & McLennan in 1906.

The reinsurance firm Guy Carpenter & Company is acquired in 1923 a year after its founding by Guy Carpenter. In 1975, it acquired the human resources consulting firm Mercer. In 1997, it bought Johnson & Higgins, shortly after, it bought Sedgwick. In 2003, it purchased the consultancy business Oliver, Wyman & Company and merged these with some of the consultancy businesses from previous acquisitions, particularly the Mercer business under the brand name of Oliver Wyman.

In August 2007, Marsh completed the sale of its Putnam Investments division to Great-West Lifeco Inc., a financial services holding company controlled by Canada-based Power Financial Corp. after it settled charges of market timing.