Ketel Thorstenson, LLP, is a full-service accounting firm rich in history, serving clients since 1936. Ketel Thorstenson has 19 partners and over 60 CPAs, with offices in Rapid City and Spearfish, SD, and Gillette, WY. The firm offers a variety of accounting services, specializing in the construction, hospitality, agricultural and non-profit industries.

Construction

Non Profit

Ketel Thorstenson, LLP

Ketel Thorstenson, LLP's headquarters in Rapid City, SD, United States

The Gillette office focuses on financial services, including tax management and departmental coordination for local businesses.

Gillette

The Casper office specializes in tax preparation and consulting services to support local clients and businesses in Wyoming.

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