W.R. Berkley Corporation

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.S. states and the District of Columbia. The distribution of these insurance products is primarily handled by wholesale insurance brokers. Conversely, the Specialty Admitted Insurance segment focuses on providing workers' compensation protection. This includes serving industries such as construction trades, healthcare professionals, general goods and services, light manufacturing, specialized transportation, and farming. This unit also engages in fronting and program insurance ventures. Finally, the Casualty Reinsurance segment offers both proportional and working layer casualty reinsurance solutions to a range of third-party clients and other insurance providers. James River Group Holdings, Ltd. was established in 2002 and maintains its corporate headquarters in Pembroke, Bermuda.

Allied World Assurance Company Holdings, Ltd. is a Bermuda-based insurance holding company associated with the Allied World group, which provides specialty property, casualty, and reinsurance products. Its subsidiaries serve commercial businesses, institutions, and other insurers by underwriting complex and specialty risks.

AmTrust FinancialInsuranceUnited States

70% match

AmTrust Financial Services, Inc., is a New York City-based multinational property and casualty insurance company, offering workers’ compensation, general liability, business owners policies (BOP), cyber liability, employment practices liability (EPLI) and more. Operating through its subsidiaries, its operations are divided into three segments: small commercial business insurance, specialty risk and Extended Warranty insurance, and Specialty Middle-Market Property and Casualty insurance. The company's main regions of operations are North America, United Kingdom, and mainland Europe. AmTrust is

White Mountains Insurance Group, Ltd.WTM · InsuranceHamilton, Bermuda

70% matchPublic

White Mountains Insurance Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States, on October 25, 1999, the company conducts most of its business through its insurance subsidiaries and other affiliates.

Maiden Holdings Ltd. offers personalized reinsurance services and products, specifically excluding high-impact catastrophic events, to insurance companies ranging from small to medium in size. The firm's operations are divided into two main segments: Diversified Reinsurance and AmTrust Reinsurance. The Diversified Reinsurance division oversees a collection of property and casualty reinsurance contracts. In contrast, the AmTrust Reinsurance segment covers business that AmTrust has transferred to Maiden Bermuda. Maiden Holdings was established in 2007 and its corporate headquarters are situated in Hamilton, Bermuda.

Arch Capital Group Ltd., together with its subsidiaries, provides insurance, reinsurance, and mortgage insurance products in the United States, Canada, Bermuda, the United Kingdom, Europe, and Australia. The company operates through three segments: Insurance, Reinsurance, and Mortgage. The Insurance segment offers commercial automobile; commercial multiperil; financial and professional line liability; admitted, excess, and surplus casualty lines; property and short-tail specialty; workers compensation; and casualty insurance. Its Reinsurance segment provides reinsurance products for casualty; marine and aviation; property catastrophe; property excluding property catastrophe; and other specialty products. The Mortgage segment offers U.S. primary mortgage insurance business written predominantly on loans sold to the Federal National Mortgage Association and Federal Home Loan Mortgage Corporation; reinsurance and underwriting services related to the U.S. credit-risk transfer business and other U.S. mortgage reinsurance transactions; and international mortgage insurance and reinsurance business covering loans. It markets its products through a group of licensed independent retail and wholesale brokers. The company was formerly known as Risk Capital Holdings, Inc. Arch Capital Group Ltd. was founded in 1995 and is headquartered in Pembroke, Bermuda.