Website
Industry
Financial Services
Size
10001+
Location
London, London, United Kingdom
Founded
1987
Social

About Aon

Aon was founded in 1987 and is headquartered in London, United Kingdom. Quite a scale. The company employs more than 10,001 people and serves clients in over 120 countries.

Aon provides actionable analytic insight, together with globally integrated Risk Capital and Human Capital expertise, to support business decisions related to risk and people. That is the core of it. Its locally relevant solutions are designed to give clients the clarity and confidence needed to protect and grow their businesses.

The company works with organizations that need guidance on risk and workforce-related decisions, combining analytical capabilities with capital- and people-focused services. A broad reach matters here. Its global reach and integrated approach allow it to serve clients across a wide range of markets and geographies.

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Insights

Updated 24 Aug 2026

Aon is being read as a bellwether in the employer benefits market. Its forecast says U.S. employer health care costs are set to rise 9.5% in 2027, pushing average costs above $19,000 per employee, and that outlook was described as the fourth straight year of elevated cost increases, which points to a tough pricing and competitive environment for employers and benefits advisers.

Employers are already taking firmer steps to rein in benefits spend. Disney’s decision to end health insurance for some employees’ spouses in 2027 was tied directly to rising costs, and that makes Aon’s warning look less like a distant projection and more like a pressure point already shaping large-employer benefit design. Strategy will stay focused here.

Coverage in the supplied sources gives limited investor or consumer signals. Still, the Aon-related articles show clear attention to its health-care cost outlook and its brand relevance in the U.S. benefits market, while no funding, hiring, or earnings updates were provided in the supplied sources.

Frequently asked questions

What is the address of Aon?

Aon is headquartered in London, London, United Kingdom.

How many employees does Aon have?

Aon has 10001+ employees according to its company profile.

What is the valuation of Aon?

Aon operates in the Financial Services sector. Public valuation figures are not always disclosed for private companies.