Marsh & McLennan Companies

"Guy Carpenter" redirects here. For the Neighbours character, see Guy Carpenter (Neighbours).
Marsh & McLennan
Traded as NYSE: MMC
S&P 500 Component
Industry Insurance brokers, professional services
Founded Chicago, Illinois, U.S. (1905)[1]
Headquarters 1166 Avenue of the Americas,
New York City, New York, U.S.
, United States
Key people
Dan Glaser (President & CEO)
Revenue Increase $13 billion (2014)[2]
Increase $2.3 billion (2014)[2]
Increase $1.47 billion (2014)[2]
Total assets Increase $17.8 billion (2014)[2]
Total equity Increase $7.1 billion (2014)[2]
Number of employees
57,000 (2014)[2]
Subsidiaries Marsh, Guy Carpenter, Mercer, Oliver Wyman Group
MMC prior logo

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.[3]

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.[4]

The firm was established in 1905 and is considered the largest insurance broker in the world (2015) by revenue.[5]


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.[6] 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.[7]

September 11 attacks

At the time of the September 11 attacks in the United States in 2001, the corporation held offices on eight floors of the North Tower of the World Trade Center, from 93 to 100.[8] When American Airlines Flight 11 crashed into the building, their offices spanned the entire impact zone, from floors 93 to 99.[9] Everybody present in the offices at the time of the attack died, and the firm lost 295 employees and 63 contractors.[1]

Operating Segments & Subsidiaries

Marsh & McLennan Companies is composed of two primary business segments: Risk and Insurance Services, and Consulting. The Risk and Insurance Services segment includes Marsh and Guy Carpenter. The Consulting segment includes Mercer and Oliver Wyman.[10]

Marsh & McLennan in the news

Marsh & McLennan Companies management

See also


  1. 1 2 "Milestones of Marsh & McLennan Companies". Retrieved 2011-08-27.
  2. 1 2 3 4 5 6 "Marsh & McLennan 2014 Annual Report, Form 10-K, Filing Date Feb 26, 2015". Retrieved May 28, 2015.
  3. "MMC Profile - Marsh & McLennan Companies, Inc.". Yahoo Finance. Yahoo. Retrieved 6 May 2016.
  4. "Bloomberg Businessweek's Ranking of Top-Performing Companies". Bloomberg Businessweek. January 23, 2012.
  5. "World Rankings". Retrieved 2016-09-14.
  6. "Milestones of Marsh & McLennan Companies". MMC. Retrieved 20 December 2009.
  7. "Marsh Completes Sale of Putnam Investments to Great-West Lifeco". August 6, 2007.
  8. "Special Report: WTC Tenant Relocation Summary". TenantWise. September 2003.
  9. Dwyer, Jim and Flynn, Kevin, 102 Minutes: The Untold Story of the Fight to Survive Inside the Twin Towers, Times Books, 2006, p. 19.
  10. "Marsh & McLennan Companies 2015 Annual Report". SEC. Retrieved 6 May 2016.
  11. "Chronological list of events for Marsh and Mclennan".
  12. "Scott + Scott, LLC's Clients Seek Leadership Roles in Benefits Lawsuit against Marsh & McLennan; Plan Participants, Including Current and Former Employees, Seek Remedies at Law under ERISA.". February 5, 2005. Retrieved Jul 1, 2013.
  13. "Business Insurance, Leading Brokers 2007: Marsh & McLennan Cos. Inc.". Business Insurance. Retrieved 27 Aug 2011.
  14. Roberts, Sally (September 14, 2007). "Storms out as Marsh chief". Business Insurance.

External links

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