Aon Competitors and Similar CompaniesClear all
Aon's competitors and similar companies include Marsh, Willis Towers Watson and JLT Group Holdings.
 Aon Aon is a company specializing in risk management, insurance brokerage, and human capital 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. |  Willis Towers Watson Willis Towers Watson (WTW) is a company that specializes in brokerage, insurance, risk management, people, and capital services. |  JLT Group Holdings JLT Group Holdings (formerly known as Jardine Lloyd Thompson Group) is a multinational corporation providing insurance, reinsurance, and employee benefits-related advice services. | |
Founding Date | Founding Date 1982 | Founding Date 1871 | Founding Date 1828 | Founding Date 1997 |
Type | Type Public | Type Public | Type Public | Type Subsidiary |
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 New York, US HQ Adelaide, AU Barangaroo, AU Brisbane City, AU Cairns City, AU Canberra, AU Docklands, AU 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 London, GB HQ Lancing, GB |
Employees | Employees 60,000 | Employees 95,0006% increase | Employees 47,000 | Employees 4,0811% increase |
Valuation ($) | Valuation ($) 80.2 b | Valuation ($) 109 b | Valuation ($) 29.7 b | Valuation ($) N/A |
Financial | ||||
Revenue (est.) | Revenue (est.) $17.2b (FY, 2025) | Revenue (est.) $27b (FY, 2025) | Revenue (est.) $9.7b (FY, 2025) | Revenue (est.) £1.5b (FY, 2018) |
Net income | Net income $3.8b (FY, 2025) | Net income $4.2b (FY, 2025) | Net income $1.6b (FY, 2025) | Net income £54.3m (FY, 2018) |
Operating ⚠ | ||||
Business Segments | Business Segments N/A | Business Segments 2 (Q1, 2024) | Business Segments 2 (FY, 2023) | Business Segments N/A |
Countries | Countries 120 (FY, 2022) | Countries 130 (Q1, 2024) | Countries 140 (FY, 2023) | Countries 135 (FY, 2017) |
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Marsh
HQ
New York, US
Employees
95,000↑ 6% increase
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 companyWillis Towers Watson
HQ
London, GB
Employees
47,000
Willis Towers Watson (WTW) is a company that specializes in brokerage, insurance, risk management, people, and capital services.
View companyJLT Group Holdings
HQ
London, GB
JLT Group Holdings (formerly known as Jardine Lloyd Thompson Group) is a multinational corporation providing insurance, reinsurance, and employee benefits-related advice services.
View company