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Ketel Thorstenson, LLP Employee Directory

AccountingSouth Dakota, United States51-200 Employees

Ketel Thorstenson, LLP is a mid-sized accounting firm with a history dating back to 1936, providing a full range of accounting and advisory services. It operates from offices in Rapid City and Spearfish, South Dakota, as well as Gillette and Casper, Wyoming. The firm concentrates on several sectors, including construction, hospitality, agriculture, estate planning, government, and nonprofit organizations. Based in Rapid City, the firm serves clients across these industries through its regional offices. In January 2024, the firm announced the appointment of two new partners, Carrie Christensen and Brady Larsen, effective January 1, 2024. The organization maintains a sizable professional staff across its SD and WY offices, reflecting its regional footprint.

Find Ketel Thorstenson, LLP employees' phone numbers or email addresses

Ketel Thorstenson, LLP Global Highlights

Location
Employees

North America
184

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  • United States Of America
    184

Europe
3

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  • Poland
    3

Ketel Thorstenson, LLP's Leadership

  • Owner at Ketel Thorstenson, LLP
    D. H.
    Owner
    Mobile Phone
  • Partner at Ketel Thorstenson, LLP
    P. F.
    Partner
    Mobile Phone
  • Director at Ketel Thorstenson, LLP
    M. F.
    Director
    Mobile Phone
  • Account Manager at Ketel Thorstenson, LLP
    P. N.
    Account Manager
    Mobile Phone
  • Senior Manager at Ketel Thorstenson, LLP
    S. L.
    Senior Manager
    Mobile Phone
  • Manager at Ketel Thorstenson, LLP
    S. M.
    Manager
    Mobile Phone
  • Cpa at Ketel Thorstenson, LLP
    B. C.
    Cpa
    Mobile Phone
  • Cpa at Ketel Thorstenson, LLP
    C. A.
    Cpa
    Mobile Phone

Ketel Thorstenson, LLP Employee Metrics

100%
50%
0%
2026
2025
  • Accounting
  • Community & Social Services
  • Human Resources
  • Business
  • Information Technology
  • Other

Contact profiles from Ketel Thorstenson, LLP

Name
Title
Contact
Location
Last Update
  • Administration at Ketel Thorstenson, LLP
    J. L.
    Administration
    Mobile Phone
    Oct 17, 2024
  • Administrative Assistant, It Technician, Notary at Ketel Thorstenson, LLP
    K. G.
    Administrative Assistant, It Technician, Notary
    Mobile Phone
    Sep 04, 2026
  • Summer Intern at Ketel Thorstenson, LLP
    K. K.
    Summer Intern
    Mobile Phone
    Apr 23, 2025
  • Account Services Associate at Ketel Thorstenson, LLP
    L. K.
    Account Services Associate
    Mobile Phone
    Apr 26, 2025
  • Parish Accounting Coordinator at Ketel Thorstenson, LLP
    M. S.
    Parish Accounting Coordinator
    Mobile Phone
    May 08, 2026
  • Internal Medicine at Ketel Thorstenson, LLP
    S. K.
    Internal Medicine
    Mobile Phone
    Oct 23, 2024
  • Kierownik Działu Rozwoju I Sprzedaży at Ketel Thorstenson, LLP
    P. J.
    Kierownik Działu Rozwoju I Sprzedaży
    Mobile Phone
    Poland
    Jun 29, 2026
  • Employee at Ketel Thorstenson, LLP
    K. J.
    Mobile Phone
    Aug 31, 2026

Frequently Asked Questions

What is Ketel Thorstenson, LLP known for?

Minus sign iconPlus sign iconKetel Thorstenson, LLP was founded in 1936 and operates in the Accounting industry. You can contact Ketel Thorstenson, LLP's main corporate office by phone at
+1-605-342-****
. Explore Ketel Thorstenson, LLP's company overview page for more information.

What is Ketel Thorstenson, LLP's most common email format?

Minus sign iconPlus sign iconKetel Thorstenson, LLP employees' email format typically follows the pattern of First.Last@ktllp.com. Trying to find reliable and up-to-date employee contact data? Find more Ketel Thorstenson, LLP email formats with LeadIQ.

How many employees does Ketel Thorstenson, LLP have currently?

Minus sign iconPlus sign iconKetel Thorstenson, LLP has approximately 138 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are Ketel Thorstenson, LLP's key employees and leadership?

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As of August 2026, Ketel Thorstenson, LLP's key employees include:

  • Owner: D. H.
  • Partner: P. F.
  • Director: M. F.
  • Account Manager: P. N.
  • Senior Manager: S. L.

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