Which company is the best insurance broker in UK?

Willis Towers Watson is a global advisory, broking and solutions company that helps clients manage risk, optimize benefits, cultivate talent, and expand globally. With revenues of USD 8.2 billion in 2020, Willis Towers Watson has 45,000 employees serving more than 140 countries and markets. The company operates across three segments: Risk & Broking, Health, Retirement & Private Capital, and Talent & Rewards.

2. Aon

Aon is a leading global professional services firm providing a broad range of risk, retirement and health solutions. With total revenues of USD 11.1 billion in 2020, Aon has 50,000 employees serving clients in more than 120 countries and territories. The company operates across four segments: Commercial Risk Solutions, Reinsurance Solutions, Health Solutions, and Retirement Solutions.

3. Marsh & McLennan

Marsh & McLennan is a global professional services firm providing advice and solutions in the areas of risk, strategy, and people. With annual revenue of USD 17.2 billion in 2020, Marsh & McLennan has 76,000 employees serving clients in more than 130 countries and territories. The company operates through four core businesses: Marsh, Guy Carpenter, Mercer, and Oliver Wyman.

4. Gallagher

Gallagher is a global insurance brokerage, risk management and consulting services firm. With annual revenue of USD 7.3 billion in 2020, Gallagher has 33,000 employees serving clients in more than 150 countries and territories. The company operates through six core divisions: Risk Management, Employee Benefits, Specialty, Captive Services, Reinsurance, and Brokerage.

5. Lockton

Lockton is a privately held, insurance brokerage firm headquartered in Kansas City, Missouri. With annual revenue of USD 2.1 billion in 2020, Lockton has 8,400 employees serving clients in more than 125 countries and territories. The company operates through six core divisions: Commercial, Benefits, Personal Lines, Surety, International, and Specialty Practices.