Aon Aon is a company specializing in risk management, insurance brokerage, and human capital consulting. | ![]() Willis Towers Watson Willis Towers Watson (WTW) is a company that specializes in brokerage, insurance, risk management, people, and capital services. | ![]() 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 1982 | Founding Date 1828 | Founding Date 1927 |
Type | Type Public | Type Public | Type Public |
Tags | |||
Locations | Locations London, GB HQ Belas, AO Buenos Aires, AR Buenos Aires, AR Córdoba, AR Mar Del Plata, AR Neuquén, AR see more | Locations London, GB HQ Bir Mourad Raïs, DZ Buenos Aires, AR Adelaide, AU Brisbane City, AU Melbourne, AU Perth, 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 60,000 | Employees 47,000 | Employees 56,0008% increase |
Valuation ($) | Valuation ($) 80.2 b | Valuation ($) 29.7 b | Valuation ($) 62.8 b |
Financial | |||
Revenue (est.) | Revenue (est.) $17.2b (FY, 2025) | Revenue (est.) $9.7b (FY, 2025) | Revenue (est.) $13.9b (FY, 2025) |
Net income | Net income $3.8b (FY, 2025) | Net income $1.6b (FY, 2025) | Net income $1.5b (FY, 2025) |
Operating ⚠ | |||
Countries | Countries 120 (FY, 2022) | Countries 140 (FY, 2023) | Countries N/A |

Willis Towers Watson (WTW) is a company that specializes in brokerage, insurance, risk management, people, and capital services.
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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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