Ketel Thorstenson, LLP, is a full-service, independent accounting firm rich in history, serving clients in the Black Hills region since 1936. Currently, we have 22 partners and over 50 CPAs, with offices in Rapid City and Spearfish, SD, and Gillette, WY. The firm offers a variety of accounting services, specializing in the agricultural, construction, hospitality, estate planning, nonprofit, and government industries.
We will help you navigate the complexities of our financial systems, turn your strengths into advantages, and help you meet your personal and business goals.