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Aon UK Competitors and Similar CompaniesClear all

Aon UK's competitors and similar companies include Aon Enterprise Solutions Shanghai, Aon and Mercer UK.

	Aon UK Aon UK is a professional services company that specializes in risk, health, and wealth solutions.	Aon Enterprise Solutions Shanghai Aon Enterprise Solutions Shanghai (怡安企业服务（上海）有限公司) is a company that specializes in risk, health, and human capital solutions.	Aon Aon is a company specializing in risk management, insurance brokerage, and human capital consulting.	Mercer UK Mercer UK (also known as MMC UK Group) is a consulting company specializing in talent, health, retirement, and investments.
Founding Date	Founding Date 1925	Founding Date 1994	Founding Date 1982	Founding Date 1999
Type	Type Subsidiary	Type Subsidiary	Type Public	Type Subsidiary
Tags	Tags Business Products & Services business intelligence financial management management consulting workforce management	Tags Business Products & Services business intelligence financial management management consulting workforce management	Tags Business Products & Services financial management management consulting reinsurance workforce management	Tags Business Products & Services business intelligence investment management management consulting workforce management
Locations	Locations London, GB HQ Guernsey, GG Douglas, IM Aberdeen, GB Belfast, GB Birmingham, GB Bristol, GB see more	Locations Shanghai, CN HQ	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 Belfast, GB Birmingham, GB Bournemouth, GB Bristol, GB Chichester, GB Edinburgh, GB see more
Employees	Employees 4,3672% decrease	Employees N/A	Employees 60,000	Employees 11,623
Financial
Revenue (est.)	Revenue (est.) N/A	Revenue (est.) N/A	Revenue (est.) $17.2b (FY, 2025)	Revenue (est.) £390.2m (FY, 2022)
Net income	Net income N/A	Net income N/A	Net income $3.8b (FY, 2025)	Net income £358.4m (FY, 2022)
Operating ⚠
Countries	Countries N/A	Countries N/A	Countries 120 (FY, 2022)	Countries 130 (Feb, 2024)