The Navigators Group, Inc. is a holding company. The Company is an international insurance company focused on marine insurance. The Company's segments are U.S. Insurance, International Insurance (Int'l Insurance), Global Reinsurance (GlobalRe) and Corporate. The Company's Property and Casualty (P&C) insurance business primarily offers general liability coverage, and umbrella and excess liability coverage to commercial enterprises through its Primary and Excess Casualty divisions. The Company also offers reinsurance products through its GlobalRe business. The Company operates through various subsidiaries, including Navigators Insurance Company (NIC), inclusive of its United Kingdom Branch and Navigators Specialty Insurance Company (NSIC), both of which are the Unites States insurance companies, and Navigators Underwriting Agency Ltd., a Lloyd's of London (Lloyd's) underwriting agency that manages Lloyd's Syndicate 1221 (the Syndicate) in the United Kingdom.