Aon is a British company based in London that is active in the insurance and risk management industries.
According to Aon's latest financial reports the company's current revenue (TTM ) is HK$136.92 Billion. In 2025 the company made a revenue of HK$133.67 Billion an increase over the revenue in the year 2024 that were of HK$121.87 Billion. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.