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Aon plc AON

FinanceMarket cap $68B3 connections

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Customers 2

Companies Aon plc sells to

MicrosoftTechnology · $2.8TRisk management consulting
Goldman SachsFinance · $180BCapital markets advisory

Competitors 1

Companies it competes with

Marsh McLennanFinance · $96BRisk consulting competition

Other Finance companies

Berkshire Hathaway JPMorgan Chase Visa Mastercard Bank of America Wells Fargo American Express Blackstone Goldman Sachs HSBC

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Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.