Marsh & McLennan Companies company profile
Marsh & McLennan Companies culture
Marsh & McLennan Companies snapshot

Marsh & McLennan Companies are four organizations—Marsh, Mercer, Guy Carpenter, and Oliver Wyman—that share a purpose of helping clients meet challenges and seize opportunities. As a unique professional services firm, Marsh & McLennan Companies boasts a global network of 60,000 experts in risk strategy, helping complex organizations manage risks and make the most of their opportunities, their capital, and their people.


  • New York City, NY
  • Austin, TX
  • Chicago, IL
  • Las Vegas, NV
  • Los Angeles, CA
  • Norwood, MA
  • Urbandale, IA
Marsh & McLennan Companies