Marsh is a leading global insurance broker and risk advisor, headquartered in New York City. Operating in over 130 countries, the company employs more than 95,000 professionals and generates annual revenues exceeding $24 billion.
| Founded | 1871 (155 years) |
| Market standing | Publicly traded (NYSE: MRSH) |
| Employees | 95,000 |
| Headquarters | New York, United States |
| Trusted networks on Proven | 2 investor, bank and government networks offer Mercer to their members |
Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.
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Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.