Ketel Thorstenson, Llp

Ketel Thorstenson, Llp company information, Employees & Contact Information

Updated June 2026

Quick answer

Ketel Thorstenson, Llp is a Accounting company and founded in 1936. It has approximately 123 employees on record. Contact data was last refreshed in June 2026. Find Ketel Thorstenson, Llp's verified employee emails, phone numbers, headquarters address, and key decision makers below.

Ketel Thorstenson, LLP, is a full-service accounting firm rich in history, serving clients since 1936. Ketel Thorstenson has 21 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 construction, hospitality, agricultural and non-profit industries.

Company Details

Employees
123
Founded
1936
Address
810 Quincy Street, Rapid City,sd 57701,united States
Phone
(605) 342-2172
Email
in****@****llp.com
Industry
Accounting
NAICS
Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Offices of Certified Public Accountants
Tax Preparation Services
Payroll Services
Other Accounting Services
Website
ktllp.com
HQ
Rapid City, SD
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