White Mountains Insurance Group

White Mountains Insurance Group, Ltd. is a financial services holding company headquartered in Hamilton, Bermuda, with a principal executive office in Hanover, New Hampshire. The company operates through several subsidiaries, providing a range of insurance services primarily in the United States. Its operations are divided into four main segments: HG Global/BAM, which offers insurance for municipal bonds and reinsurance protection; NSM, a general underwriting agency specializing in property and casualty insurance for sectors such as specialty transportation and real estate; MediaAlpha, a marketing technology platform that facilitates programmatic media buying and selling; and Kudu, which provides capital solutions for asset managers and registered investment advisors. Additionally, the Other Operations segment delivers insurance solutions for the travel industry and manages investment vehicles for insurance-linked securities. Established in 1980, White Mountains focuses on value-oriented acquisitions and the management of its diverse insurance and financial assets.

Frank Bazos

Executive Vice President and Executive

Giles Harrison

Executive Vice President and Chief Strategy Officer, Strategy

Manning Rountree

CEO

Past deals in Property Insurance

Bamboo

Acquisition in 2023
Bamboo is an insurance service company established in 2018 and headquartered in Midvale, Utah. It specializes in providing innovative and customer-focused insurance solutions for non-affiliated insurance companies. Through its managing general underwriter, retail agency, and captive insurer, Bamboo offers a range of flexible and transparent insurance options, including home, personal property, fire, casualty, and flood insurance. By leveraging technology and data, Bamboo aims to adapt to the evolving needs of its customers and to enhance the overall insurance experience. The company is committed to delivering customer advocacy and transparency, ultimately transforming the insurance industry to be more straightforward and accessible. Its proprietary underwriting models, combined with advanced third-party technologies, contribute to achieving superior underwriting results.

Pie Insurance

Series D in 2022
Pie Insurance, established in 2017 and headquartered in Washington D.C., specializes in providing workers' compensation insurance services to small businesses via an online platform. The company offers A.M. Best A-rated insurance coverage, including protection against illness, injury, disability, and death. Pie Insurance employs data analytics and user-friendly online features to accurately assess risks, enabling them to offer competitive pricing and enhance transparency for their clients. The company, led by co-founder and CEO John Swigart, began selling policies directly to customers in 2018 and aims to expand its offerings and strategic initiatives to better serve small business owners.

NSM Insurance Group

Acquisition in 2018
NSM Insurance Group specializes in developing and underwriting industry-specific insurance programs tailored to niche markets. The company provides insurance intermediary services for commercial property and casualty insurance firms, focusing on sectors such as special transportation, social services, real estate, and pet insurance. NSM manages the entire placement process, which includes product development, marketing, underwriting, policy issuance, and claims management. By employing its NSM Program Development Model, the company aims to deliver a compelling mix of products and processes that facilitate sustainable growth while addressing the unique risk management needs of its clients.

American Fuji Fire and Marine Insurance Company

Acquisition in 2012
American Fuji Fire and Marine Insurance Company provides insurance services.
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