W. R. Berkley Corporation WRB

Company Overview

W. R. Berkley Corporation is a U.S.-based insurance holding company operating primarily in the property and casualty insurance industry, with a focus on specialty insurance and reinsurance markets. The company underwrites a broad range of commercial insurance products, including excess and surplus lines, admitted lines, and reinsurance, serving both domestic and international customers. Its core revenue drivers are insurance premiums, reinsurance underwriting, and investment income generated from its investment portfolio.

Founded in 1967 by William R. Berkley, the company was built around a decentralized operating model that allows individual business units to operate with significant autonomy while leveraging group-level capital management and risk oversight. Over time, W. R. Berkley Corporation has expanded its product breadth and geographic reach, becoming one of the largest commercial lines writers in the United States, with a strategic emphasis on underwriting discipline and risk-adjusted returns.