14 Wesley Street
5th floor
Hamilton
Bermuda
Company Overview
OneBeacon Insurance Group, Ltd. (OneBeacon) is a property and casualty insurance writer focused on specialty lines. The company, through its subsidiaries, offers a range of specialty products and services through independent agencies, regional and national brokers, wholesalers and managing general agencies. Its product mix comprise professional liability, marine, collector cars and boats, energy, entertainment, sports and leisure, excess property, excess environmental, group accident, property and inland marine, public entities, technology and tuition refund. OneBeacon is a subsidiary of White Mountains Insurance Group, Ltd., a holding company whose businesses provide property and casualty insurance, reinsurance and certain other products. The company operates in Bermuda and the US. OneBeacon is headquartered in Hamilton, Bermuda.