W.R. Berkley Corporation is a commercial lines property and casualty insurance holding company based in Greenwich, Connecticut. It operates through a broad network of specialized insurance and reinsurance businesses that focus on distinct industries, product lines, and regional markets. The company primarily provides commercial insurance solutions, including various forms of liability, property, and workers’ compensation coverage tailored for small to large enterprises across diverse sectors. W.R. Berkley Corporation also participates in reinsurance markets, offering risk-sharing capacity to other insurers in the United States and internationally. Its subsidiaries emphasize underwriting discipline and niche expertise, allowing them to address complex and specialty risks that require customized coverage structures. Serving clients across North America, Europe, Latin America, Asia-Pacific, and other regions, W.R. Berkley Corporation plays a significant role in supporting business continuity, risk management, and financial protection in the global commercial insurance marketplace. Founded in 1967 and organized in Delaware, the company is recognized as one of the larger commercial lines insurers in the United States.