|Aspen Insurance Holdings Limited (Aspen Holdings) is a holding company. The Company conducts insurance and reinsurance business through its subsidiaries in three jurisdictions. It operates in the global markets for property and casualty insurance and reinsurance. Its insurance segment is consisted of property, casualty, marine, energy and transportation insurance and financial and professional lines insurance. Its reinsurance segment is consisted of property reinsurance (catastrophe and other), casualty reinsurance and specialty reinsurance. In April 2013, the reinsurance segment of the Company announced the formation of a new division, Aspen Capital Markets.