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Who We Are

About OneBeacon

OneBeacon Insurance Group (OneBeacon) provides specialty insurance solutions backed by financial strength, expertise and a commitment to excellence in everything we do. We manage our business in order to achieve growth in book value over the long term. Four operating principles guide our actions across all aspects of our business:

  • Underwriting comes first
  • Invest for total return
  • Maintain a disciplined balance sheet
  • Think like owners

Unrivaled People and Expertise

Our seasoned insurance specialists have a deep knowledge of every market we serve. Their refined skills enable us to underwrite distinct customer groups, understand particular territories and establish flexible operating structures.


A Network of Select Distribution Partners

OneBeacon’s underwriting companies sell insurance through a network of independent agencies, regional and national brokers, wholesalers and managing general agencies. Our distribution partners will work side by side with you to provide the advice, local expertise and personalized service you deserve.


Superior Claims Service

We pride ourselves on delivering fast and fair claim resolution in your time of need. Local OneBeacon adjusters complement 24-hour, seven-day-a-week reporting online or by phone, allowing us to quickly begin investigating and resolving the claim.


Financial Strength & Stability

OneBeacon solutions are backed by financial strength. We consistently receive an "A" (excellent) rating from A.M. Best, the company recognized worldwide as the benchmark for assessing insurers' financial strength.


About OneBeacon

OneBeacon Insurance Group, Ltd. is a Bermuda-domiciled holding company that is publicly traded on the New York Stock Exchange under the symbol “OB.” OneBeacon’s underwriting companies offer a range of specialty insurance products sold through select independent agents, regional and national brokers, wholesalers and managing general agencies. The company’s businesses include OneBeacon Professional Insurance, International Marine Underwriters, OneBeacon Accident Group, OneBeacon Entertainment, OneBeacon Energy Group, OneBeacon Government Risks, A.W.G. Dewar (tuition refund), collector cars and boats written through Hagerty Insurance Agency, OneBeacon Specialty Property, OneBeacon Technology Insurance, OneBeacon Property and Inland Marine and OneBeacon Excess and Surplus Lines. OneBeacon’s insurance businesses are national in scope.


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