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.