Chubb Limited is a Swiss-based holding company, although it is incorporated as an American firm. Its main subsidiary, Chubb, is a global provider of insurance products covering property and casualty, accident and health, reinsurance, and life insurance, as well as the largest publicly traded property and casualty company in the world. The company, through its subsidiaries, provides a range of insurance and reinsurance products and services to clients around the globe. Chubb is active in 55 countries and territories and is a member of Lloyd's insurance market in London. Clients of Chubb consist of multinational corporations and local businesses, individuals and insurers seeking reinsurance coverage. Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance. The company trades on the NYSE and is a component of the S&P 500 index.