![]() 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. | Aon Aon is a company specializing in risk management, insurance brokerage, and human capital consulting. | ||||
Founding Date | Founding Date 1871 | Founding Date 1982 | Founding Date 1852 | Founding Date 1919 | Founding Date 1947 |
Type | Type Public | Type Public | Type Public | Type Public | Type Private |
Tags | |||||
Locations | Locations New York, US HQ Adelaide, AU Barangaroo, AU Brisbane City, AU Cairns City, AU Canberra, AU Docklands, AU see more | Locations London, GB HQ Belas, AO Buenos Aires, AR Buenos Aires, AR Córdoba, AR Mar Del Plata, AR Neuquén, AR see more | Locations San Francisco, US HQ Melbourne, AU Sydney, AU São Paulo, BR Calgary, CA Montréal, CA Toronto, CA see more | Locations Seattle, US HQ Buenos Aires, AR Sydney, AU Vienna, AT Brussels, BE Hamilton, BM Rio De Janeiro, BR see more | |
Employees | Employees 95,0006% increase | Employees 60,000 | Employees 217,0004% decrease | Employees 22,20012% decrease | Employees 4,423 |
Valuation ($) | Valuation ($) 109 b | Valuation ($) 80.2 b | Valuation ($) 193.1 b | Valuation ($) 49.4 b | Valuation ($) N/A |
Financial | |||||
Revenue (est.) | Revenue (est.) $27b (FY, 2025) | Revenue (est.) $17.2b (FY, 2025) | Revenue (est.) $83.7b (FY, 2025) | Revenue (est.) $26.8b (FY, 2025) | Revenue (est.) $1.7b (Y, 2024) |
Net income | Net income $4.2b (FY, 2025) | Net income $3.8b (FY, 2025) | Net income $21.3b (FY, 2025) | Net income $3.1b (FY, 2025) | Net income N/A |
Operating ⚠ | |||||
Countries | Countries 130 (Q1, 2024) | Countries 120 (FY, 2022) | Countries N/A | Countries N/A | Countries N/A |
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