Who We Are
TDT has been helping small businesses thrive since 1975. We are a Top 400 Firm with 80 team members, including 10 Partners, across 8 locations in the great state of Iowa. TDT is the abbreviation for the names of our original founding partners: Theobald, Donohue & Thompson.
We serve clients nationwide through 3 core service areas: Advisory, Tax, and Assurance.