Arch Capital Group Ltd. (Arch Capital or ACGL), a Bermuda public limited liability company, writes insurance, reinsurance and mortgage insurance on a worldwide basis through operations in Bermuda, the United States, Canada, Europe, Australia and South Africa, with a focus on specialty lines. Its businesses are divided into three platforms: Insurance, Reinsurance and Mortgage.At Arch MI, its focus is providing risk management, risk financing and capital optimizing products to the housing sector worldwide.