OneBeacon Insurance Group, Ltd.

OneBeacon Insurance Group, Ltd.

OneBeacon was one of the first glimmers of the insurance biz in the US. OneBeacon provides specialty property/casualty insurance policies, including marine, travel, professional liability, medical malpractice, data privacy, umbrella property, and even tuition coverage for when a student is forced to leave school unexpectedly. Its subsidiaries include International Marine Underwriters and OneBeacon Professional Insurance. Products are sold to businesses and individuals through a network of 3,400 independent agents and brokers across the US. OneBeacon was founded in 1831 as Potomac Fire Insurance Company. Holding company White Mountains Insurance owns a controlling stake in OneBeacon.

Contact Details

Office Address

OneBeacon Insurance Group, Ltd.
One Beacon Lane
Canton, MA, USA 02021
Phone: (781) 332-7000
Mobile: (888) 656-1213

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