![]() Gallagher Gallagher (also known as Arthur J. Gallagher & Co.) is a company that specializes in insurance brokerage, risk management, and HR benefits consulting. | ![]() 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. | Brown & Brown Brown & Brown is a company that provides insurance brokerage and risk management solutions. | 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. | |
Founding Date | Founding Date 1927 | Founding Date 1871 | Founding Date 1939 | Founding Date 1982 | Founding Date 1828 |
Type | Type Public | Type Public | Type Public | Type Public | Type Public |
Tags | |||||
Locations | Locations Rolling Meadows, US HQ Saint John's, AG Darwin City, AU Dubbo, AU East Melbourne, AU Hobart, AU Lake Macquarie, AU see more | Locations New York, US HQ Adelaide, AU Barangaroo, AU Brisbane City, AU Cairns City, AU Canberra, AU Docklands, AU see more | Locations Daytona Beach, US HQ Daytona Beach, US | 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 |
Employees | Employees 56,0008% increase | Employees 95,0006% increase | Employees 22,88832% increase | Employees 60,000 | Employees 47,000 |
Valuation ($) | Valuation ($) 62.8 b | Valuation ($) 109 b | Valuation ($) 30 b | Valuation ($) 80.2 b | Valuation ($) 29.7 b |
Financial | |||||
Revenue (est.) | Revenue (est.) $13.9b (FY, 2025) | Revenue (est.) $27b (FY, 2025) | Revenue (est.) $5.9b (FY, 2025) | Revenue (est.) $17.2b (FY, 2025) | Revenue (est.) $9.7b (FY, 2025) |
Net income | Net income $1.5b (FY, 2025) | Net income $4.2b (FY, 2025) | Net income $1.1b (FY, 2025) | Net income $3.8b (FY, 2025) | Net income $1.6b (FY, 2025) |
Operating ⚠ | |||||
Business Segments | Business Segments N/A | Business Segments 2 (Q1, 2024) | Business Segments N/A | Business Segments N/A | Business Segments 2 (FY, 2023) |
Countries | Countries N/A | Countries 130 (Q1, 2024) | Countries N/A | Countries 120 (FY, 2022) | Countries 140 (FY, 2023) |
Funding | |||||
Total funding raised | Total funding raised N/A | Total funding raised N/A | Total funding raised $ 6.2m | Total funding raised $ 942.6m | Total funding raised N/A |

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.
View companyBrown & Brown is a company that provides insurance brokerage and risk management solutions.
View companyAon is a company specializing in risk management, insurance brokerage, and human capital consulting.
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Willis Towers Watson (WTW) is a company that specializes in brokerage, insurance, risk management, people, and capital services.
View company