Lancashire Holdings Limited is a provider of global specialty insurance and reinsurance products, operating in Bermuda, London, the United States, and Australia. It operates through two segments: reinsurance and insurance. The reinsurance segment includes casualty reinsurance, property reinsurance and specialty reinsurance. Casualty reinsurance comprises casualty, professional and financial lines, and accident and health reinsurance. Property reinsurance comprises catastrophe-exposed reinsurance classes as well as excess loss risk and other property treaty portfolios. Specialty reinsurance comprises reinsurance offerings for classes, such as aviation, marine and energy, as well as property retrocession portfolios. The insurance segment includes aviation insurance, casualty insurance, energy and marine insurance, property insurance and specialty insurance. Casualty insurance comprises accident and health insurance subclasses and a small amount of professional lines insurance.