Theresa Mutual Insurance Company was organized on January 7, 1879 at the Rock River House in Theresa, WI. It commenced business on January 17, 1879, under the name of Theresa Mutual Fire Insurance Company. The original office was in the back of a building located at the corner of Hwy 175 and Hwy 28 which has since been torn down. In 1964, an office was built at 109 W. Rock River Street. The name of the company was changed from Theresa Mutual Fire Insurance Company to Theresa Mutual Insurance Company in 1996. A new 1600 sq. ft. office building was constructed in 2009 on property owned by Theresa Mutual next door at 107 W. Rock River Street. ?On January 1, 2023, Theresa Mutual Insurance Company and Holland Mutual Fire Insurance Company were merged. After the merger, Holland Mutual ceased to exist, and the surviving entity was Theresa Mutual Insurance Company. The following year, on January 1, 2024, Theresa Mutual Insurance Company converted from a Chapter 612 town mutual insurance company to a Chapter 611 mutual insurance company. 

As of December 31st, 2023, 144 years after the organization of the company, Theresa Mutual has 1,703 policies. The total insurance in force includes $644,541,060 for Fire Coverage; $656,500,000 for Liability; and $4,223,231 for Special Property. The total surplus for the company is $5,133,217.

Theresa Mutual's reinsurance is brokered through Guy Carpenter.

Theresa Mutual Insurance Company is a "mutual" insurance company in which the company is owned by the policyholders. Members of the Board of Directors are elected to 3 year terms by the policyholders at the company's annual meeting on the first Saturday in March. Since they are local farmers, homeowners, and business owners, they run the company with your best interests in mind.

 

Office Building 2009-present