Novi, MI - The Birthplace of TDA Insurance

Early Nationwide Newspaper adIn 1996 Mark and Sherry Diederich were newly weds who had just bought their first house together in Novi. Their new home was in the Jamestown neighborhood right across from Novi High School, city hall, the library, and the police department. The had both been working at GMAC Insurance together, but with being fresh off the honeymoon and in their new house it was time for a new step in their insurance careers. They decided they were going to have a child and start their own business. 

Early Beginnings as a Captive Agent

Mark got appointed with Nationwide Insurance as a captive agent. He rented out an office in the Novi-Ten Shopping Center on Ten Mile and Meadowbrook, and The Diederich Agency was born. Sherry had their son Dan that next April in 1997, and when she returned to work, she joined the agency as well.

A few years later in April of 2000, Mark and Sherry’s second son Matt was born. During the same period, Dan was attending pre-school at Novi, and The Diederich Agency was starting to outgrow its office space in the Novi Shopping Center. In 2001, The Diederich Agency moved up the street to a new office on 10 Mile and Novi Rd. Shortly after that, Mark and Shery moved them and the kids from their house across the street from City Hall to a mile behind it on 9 Mile and Taft Rd. There was no question Novi was home for the Diederich’s and their business.

Independent At Last

Sherry in front of the old Novi officeIn 2009, Mark retired as a Nationwide Agent after great successes in order to put the future of the agency in a better position. It was at this time that Sherry opened up TDA Insurance and Financial, an independent insurance agency. This allowed the staff to be able to shop our client’s policies with what is now 10+ carriers rather than just Nationwide Insurance. They kept the same office in Novi, and pretty much the same name as the TDA acronym stands for “The Diederich Agency.”

TDA continued to flourish in the Novi community, being a part of the Novi Chamber of Commerce, sponsoring and coaching Novi Youth Rec Sports teams, and working with other local non-profit groups such as the Knights of Columbus and churches including St. James and Holy Family. Mark and Sherry’s two son’s Dan and Matt attended Catholic Central High School, which is also located in Novi, where Sherry was a two-time president of their Mother’s Club which helped support the school and students.

Mark and Dan's T-Ball Team

Goodbye Novi

After planting our roots in Novi in 1996 and operating in the city for a little over 21 years, TDA picked up its roots and moved into a new building just north of their old home in Downtown Walled Lake. It was a tough decision to move outside of the city, but Novi will always be considered the birthplace of TDA, and we will continue to be active in the Novi community and serve our Novi friends, families, and businesses with the same neighborly service as we did for over 20 years!

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Proudly located in the heart of Novi MI, TDA Insurance & Financial is your leading local Michigan insurance agency; dedicated to serving the unique needs of area individuals, families and businesses. Over the years TDA Insurance & Financial has continued to evolve into a well-respected coverage leader—with exceptional service and commitment to its clients—qualities that have helped the company grow into a premier MI insurance provider for residents all across the state.

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