Aspen Insurance Holdings Limited, through its subsidiaries, engages in insurance and reinsurance businesses in Australia/Asia, the Caribbean, Canada, the United States, the United Kingdom, Europe, and internationally. Its Aspen Insurance segment offers first party and specialty insurance, including the U.S. and the U.K. commercial property, specie, inland and ocean marine, marine and energy liability, onshore energy physical damage, offshore energy physical damage, credit and political risks, crisis management, accident and health, and surety risks. This segment also provides casualty and liability lines, such as commercial liability, U.S. primary casualty, excess casualty, and environmental and railroad liability; and financial and professional lines comprising financial and corporate risks, professional and management liability, and cyber liability. The company's Aspen Reinsurance segment offers property catastrophe reinsurance products; other property reinsurance products; casualty reinsurance products, including U.S. treaty, international treaty, and casualty facultative reinsurance products; and specialty reinsurance products comprising credit and surety, agriculture, mortgage, marine, aviation, terrorism, engineering, cyber, and other specialty lines. It distributes its products primarily through brokers and reinsurance intermediaries. The company was incorporated in 2002 and is headquartered in Hamilton, Bermuda. Aspen Insurance Holdings Limited is a subsidiary of Highlands Bermuda Holdco, Ltd.