AON vs MFC Comparison

Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 60,000 employees and operations in over 120 countries.

Manulife Financial is one of the Big Three Canadian life insurers. The firm provides life insurance, annuities, asset management, and wealth management products to individuals and group customers in Canada, the United States, and Asia. The Canadian business segment contributes approximately 21% of 2025 adjusted earnings. The Asia segment operates across 12 countries and contributes around 38% of earnings, with a significant presence in Hong Kong and Singapore. The US business, which primarily operates under the John Hancock brand, contributes about 16% of earnings. Manulife's global asset and wealth management business contributes approximately 25% of its earnings and had around CAD 1.1 trillion in assets under management and administration as of the end of 2025.