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Aon UK Competitors and Similar CompaniesClear all

Aon UK's competitors and similar companies include Aon, Mercer UK and SADCI Consulting Services.

	Aon UK Aon UK is a professional services company that specializes in risk, health, and wealth 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.	SADCI Consulting Services SADCI Consulting Services is a provider of business consulting services.
Founding Date	Founding Date 1925	Founding Date 1982	Founding Date 1999	Founding Date 1995
Type	Type Subsidiary	Type Public	Type Subsidiary	Type Private
Tags	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	Tags Business Products & Services business intelligence financial management management consulting
Locations	Locations London, GB HQ Guernsey, GG Douglas, IM Aberdeen, GB Belfast, GB Birmingham, GB Bristol, GB see more	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	Locations Lisboa, PT HQ
Employees	Employees 4,3672% decrease	Employees 60,000	Employees 11,623	Employees 7
Financial
Revenue (est.)	Revenue (est.) N/A	Revenue (est.) $17.2b (FY, 2025)	Revenue (est.) £390.2m (FY, 2022)	Revenue (est.) N/A
Net income	Net income N/A	Net income $3.8b (FY, 2025)	Net income £358.4m (FY, 2022)	Net income N/A
Operating ⚠
Countries	Countries N/A	Countries 120 (FY, 2022)	Countries 130 (Feb, 2024)	Countries N/A