About Us
Ketel Thorstenson, LLP is a full service accounting firm providing tax, audit, accounting and valuation services to the Black Hills area for 85 years. With 17 partners and an 125 professional staff operating in Rapid City, Spearfish and Custer, South Dakota, our firm is centered on providing the best solutions to enhance and enrich your financial life.
The products and services we offer
Recommendations Received (9)
"Ketel Thorstenson is a full-service firm in a beautiful part of the country."
"They do a great job helping you get your paperwork right."
Products & Services
Full service ability for tax preparation, audit, accounting services and multiple types of planning including business, personal financial, retirem...
If you're thinking about retiring from your business, talk to Ketel Thorstenson, LLP about your succession plan. Whether you're hoping to hand it o...
