Marsh McLennan Employee Directory
Professional ServicesNew York, United States10001+ Employees
Marsh McLennan has about 40K employees across 6 continents, with the largest share in North America (48%). By country, the largest groups are United States Of America (43%), India (20%) and United Kingdom Of Great Britain And Northern Ireland (7%). Banking and Finance make up over half of the profiles with a known department. Marsh McLennan's workforce spans 37 departments. Marsh McLennan's workforce fell 15% between July 2025 and July 2026.