James River Group Holdings, Ltd. operates as an insurance holding company, delivering specialized insurance and reinsurance offerings across the United States through its subsidiary companies. Its business activities are divided into three main operational units: Excess and Surplus Lines, Specialty Admitted Insurance, and Casualty Reinsurance. The Excess and Surplus Lines division is responsible for underwriting commercial liability and property insurance for non-standard or unique risks, with its coverage extending nationwide across all U.