Aspen Insurance Holdings Limited, together with its subsidiaries, engages in the insurance and reinsurance businesses in Australia, Asia, the United Kingdom, Ireland, rest of Europe, the United States, Canada, and internationally.

It offers various reinsurance and retrocession products, including property catastrophe reinsurance, other property reinsurance, casualty reinsurance, and specialty reinsurance; and various insurance products, such as first party insurance, specialty insurance, casualty insurance, financial and professional lines insurance, and other insurance.

The company offers its products primarily through brokers and reinsurance intermediaries.

The company was formerly known as Exali Reinsurance Holdings Ltd and changed its name to Aspen Insurance Holdings Limited in November 2002.

Aspen Insurance Holdings Limited was incorporated in 2002 and is headquartered in Hamilton, Bermuda.