![]() Marsh Marsh & McLennan is a professional services firm offering advice and solutions in the areas of risk, reinsurance and capital, people and investments, and management consulting. | ![]() Gallagher Gallagher (also known as Arthur J. Gallagher & Co.) is a company that specializes in insurance brokerage, risk management, and HR benefits consulting. | |
Founding Date | Founding Date 1871 | Founding Date 1927 |
Type | Type Public | Type Public |
Tags | ||
Locations | Locations New York, US HQ Adelaide, AU Barangaroo, AU Brisbane City, AU Cairns City, AU Canberra, AU Docklands, AU see more | Locations Rolling Meadows, US HQ Saint John's, AG Darwin City, AU Dubbo, AU East Melbourne, AU Hobart, AU Lake Macquarie, AU see more |
Employees | Employees 95,0006% increase | Employees 56,0008% increase |
Valuation ($) | Valuation ($) 109 b | Valuation ($) 62.8 b |
Financial | ||
Revenue (est.) | Revenue (est.) $27b (FY, 2025) | Revenue (est.) $13.9b (FY, 2025) |
Net income | Net income $4.2b (FY, 2025) | Net income $1.5b (FY, 2025) |

Gallagher (also known as Arthur J. Gallagher & Co.) is a company that specializes in insurance brokerage, risk management, and HR benefits consulting.
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