Who We Are

In 1982, Jim Stone, former insurance commissioner for the Commonwealth of Massachusetts, had a vision for the future.

He would form a new kind of auto insurance company - one that would:

  • Define a new, higher standard of customer service for the industry;
  • Establish deeper, more productive relationships with its independent agents;
  • Provide an unusually rewarding workplace for creative, empowered employees; and
  • Develop a new generation of technological and analytical tools for every aspect of the business.

Today, Plymouth Rock Assurance is a thriving business that takes pride in delivering more than just insurance — we deliver the added assurance of great value, ease, service and innovation. Our approach has made our agents and policyholders among the most loyal in the industry.

Plymouth Rock Assurance is a member of The Plymouth Rock Group of Companies which together write and manage over $1 billion in annual automobile and homeowners’ insurance premiums. Plymouth Rock Assurance is rated "A-/Excellent" for financial strength by the A.M. Best Company, the industry's premier rating service.

The Plymouth Rock Group of Companies includes:

  • Plymouth Rock Assurance Corporation and Bunker Hill Insurance in Massachusetts and Connecticut
  • Bunker Hill Insurance Casualty Company in Massachusetts
  • Pilgrim Insurance Company in Massachusetts
  • Mt. Washington Assurance Corporation in New Hampshire
  • Plymouth Rock Management Company of New Jersey 


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Customer Service

Available Mon-Fri 8am- 5pm

MA - 866-353-6292
CT - 866-591-5545
NH - 800-979-6288

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