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Trusted Insurance Services in Mansfield, MA
Colonial Insurance Services has been a trusted independent insurance agency serving the New England Area for over 120 years. Founded in 1882, we pride ourselves on delivering personalized insurance programs tailored to both personal and commercial clients. Our approach focuses on understanding individual needs, protecting assets, and working within client budgets while maintaining a commitment to community involvement.

With a diverse range of insurance products and partnerships with multiple carriers, we provide comprehensive solutions backed by exceptional customer service. Our team emphasizes education, transparency, and expertise to empower clients in making informed decisions about their coverage.
Services
Commercial Insurance Personal Insurance Auto Insurance Home Insurance Workers Compensation General Liability Professional Liability Bonds Inland Marine Employment Practices Liability
Highlights and features
  • We work with multiple carriers to find the best coverage options for your unique needs.
  • Our agency tailors insurance programs to protect your assets while respecting your budget.
  • We specialize in hard-to-place commercial insurance solutions with personalized attention.
  • Our 120+ years of experience ensure deep industry knowledge and reliable service.
  • We prioritize community involvement and local partnerships to better serve our clients.
Services
Commercial Insurance
We design customized commercial insurance programs to protect businesses of all sizes. Our solutions address unique risks, including property damage, liability, and employee-related concerns, while aligning with budgetary goals. With decades of expertise, we help clients navigate complex insurance needs.
Personal Insurance
Our personal insurance services safeguard individuals' assets through tailored auto, home, and liability policies. We prioritize education and transparency, ensuring clients understand their coverage options and make informed decisions to protect their financial well-being.
Auto Insurance
We offer competitive auto insurance solutions for personal and commercial vehicles. Our policies include liability, collision, and comprehensive coverage, with discounts for safe driving records and low mileage to help reduce premiums.
Workers Compensation
Our workers' compensation insurance ensures businesses comply with legal requirements while protecting employees from job-related injuries or illnesses. We provide coverage for medical expenses, lost wages, and rehabilitation costs.
General Liability
We offer general liability insurance to protect businesses from third-party claims involving property damage, bodily injury, or advertising errors. This foundational coverage helps mitigate financial risks associated with daily operations.
People
A.B. Day
Founder
Founded Colonial Insurance Services in 1882 as the First National Bank of Mansfield. Served as a local banker and community leader, establishing the agency's legacy of trust and service.
Mitchel G. Seifert
President
Led the agency since 1986, emphasizing community engagement and innovation. Founded The Nurses Insurance Agency in 1994 and oversaw the rebranding to Colonial Insurance Services in 2002.
Ralph H. Seifert
Community Leader
Joined the agency in 1957 and championed local initiatives, including founding the Citizens Scholarship Foundation and co-founding the Tri-Town Chamber of Commerce to support regional growth.
Fred E. Wills
Agency Partner
Merged his agency with New England Security Insurance Agency in 1970, bringing extensive community leadership experience and expanding the agency's service offerings.
Charles A. Wheeler
Agency Leader
Took over leadership after Herbert E. King, balancing insurance operations with active roles on local bank boards and community development committees to strengthen the agency's regional impact.
Questions
What types of insurance do you offer?
We provide commercial, personal, auto, home, workers' compensation, and general liability insurance, among other specialized policies.
Do you serve businesses outside New England?
Our primary focus is the New England Area, but we may assist clients in adjacent regions through our network of partners.
How can I lower my auto insurance premium?
Maintain a clean driving record, opt for low-mileage discounts, and bundle policies to qualify for reduced rates.
Can you help with hard-to-place insurance needs?
Yes, our expertise includes crafting solutions for complex or high-risk commercial insurance requirements.
Do you offer online policy management?
We provide personalized service through our office, though select transactions like registration renewals can be completed via our RMV-approved program.
How long has your agency been in business?
Colonial Insurance Services has served clients since 1882, with over 120 years of continuous operation.
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