James River Group Holdings Ltd owns and operates a group of specialty insurance and reinsurance companies. It reports business into three segments. The Excess and Surplus Lines segment, which is the key revenue driver, offers commercial excess and surplus lines liability and excess property insurance products; The Specialty Admitted Insurance segment focuses on niche classes within the standard insurance markets with a primary focus on fronting business, where it retains a minority share of the risk and seek to earn fee income by allowing other carriers and producers to use its licensure, ratings, expertise and infrastructure. and the Corporate and other segment consists of the management and treasury activities of holding companies, equity compensation for the group.