James River Group Holdings is a Delaware holding company that owns and operates five U.S.-based specialty insurance companies writing excess and surplus lines casualty and property insurance, as well as specialty admitted insurance through fronting and program business arrangements with insurance companies and brokers. The company generates revenue through net earned premiums from both segments, investment income on its fixed maturity securities and other invested assets, and fee income on specialty admitted policies where it bears no underwriting risk. The company manages underwriting risk through a proportional quota share and facultative reinsurance strategy, purchasing reinsurance to limit large losses and exposure concentrations while maintaining capital strength and regulatory compliance through an "A-" rating from A.M. Best.