What departments does Ketel Thorstenson, LLP have?

Ketel Thorstenson, LLP has employees across 7 departments including Engineering, Operations, Business, Accounting, Human Resources.

What is the largest department at Ketel Thorstenson, LLP?

The largest department at Ketel Thorstenson, LLP is Engineering with 1 employees.

Where are Ketel Thorstenson, LLP employees located globally?

Ketel Thorstenson, LLP has employees across 2 continents and 2 countries including Poland, United States Of America.

How has Ketel Thorstenson, LLP's team size changed over time?

Ketel Thorstenson, LLP's team has remained stable from approximately 109 to 109 employees based on available data.

Learn more at LeadIQ.com

Ketel Thorstenson, LLP Employee Directory

AccountingSouth Dakota, United States51-200 Employees

Ketel Thorstenson, LLP, is a full-service accounting firm rich in history, serving clients since 1936. Ketel Thorstenson has 25 partners and over 50 CPAs, with offices in Rapid City and Spearfish, SD, and Gillette and Casper, WY. The firm offers a variety of accounting and advisory services, specializing in construction, hospitality, agriculture, estate planning, government, and nonprofit industries. For more information about KT and its services, visit www.ktllp.cpa.

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

Ketel Thorstenson, LLP Global Highlights

North America
156

United States Of America
156

Europe
3

Poland
3

Ketel Thorstenson, LLP's Leadership

N. B.
Chief Executive Officer
Mobile Phone
Email
J. M.
Chief Operating Officer
Mobile Phone
Email
G. R.
President
Mobile Phone
Email
P. S.
President
Mobile Phone
Email
M. F.
It Manager/Cto
Mobile Phone
Email
P. T.
Partner
Mobile Phone
Email
J. Y.
Partner
Mobile Phone
Email
A. E.
Partner
Mobile Phone
Email

Ketel Thorstenson, LLP Employee Metrics

100%

50%

2026

2025

Accounting
Community & Social Services
Human Resources
Business
Information Technology
Other

Contact profiles from Ketel Thorstenson, LLP

Name

Title

Contact Info

Location

Last Update

M. H.
Senior Manager
Mobile Phone
Email
United StatesSouth Dakota
Nov 12, 2025
A. B.
Tax Manager
Mobile Phone
Email
United StatesSouth Dakota
Nov 14, 2025
K. R.
Senior Manager
Mobile Phone
Email
United StatesSouth Dakota
Oct 20, 2025
S. F.
Tax Manager
Mobile Phone
Email
United StatesSouth Dakota
Nov 13, 2025
J. T.
Senior Manager
Mobile Phone
Email
United StatesSouth Dakota
Nov 16, 2025
D. F.
Human Resource Manager
Mobile Phone
Email
United StatesSouth Dakota
Oct 25, 2025
B. W.
Tax Manager
Mobile Phone
Email
United StatesSouth Dakota
May 20, 2025
D. A.
Audit Manager
Mobile Phone
Email
United States
Jun 04, 2025
J. S.
Manager
Mobile Phone
Email
United StatesSouth Dakota
Sep 08, 2025
T. B.
Tax Manager
Mobile Phone
Email
United StatesWyoming
Jan 28, 2026

Frequently Asked Questions

What is Ketel Thorstenson, LLP known for?

Ketel Thorstenson, LLP was founded in 1936 operates in the Accounting industry. The company's main headquarters is located in 810 Quincy Street Rapid City, South Dakota 57701 United States; you can contact the 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?

Ketel Thorstenson, LLP employees' email format typically follows the pattern of . 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?

Ketel Thorstenson, LLP has approximately 128 employees as of March 2026. These team members are located across 2 continents, including North AmericaEurope.

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

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

Chief Executive Officer: N. B.
Chief Operating Officer: J. M.
President: G. R.
President: P. S.
It Manager/Cto: M. F.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.