Insights

Established Market Presence Ketel Thorstenson, LLP has a long-standing history since 1936, indicating strong market stability and loyal client relationships within the accounting industry. This presents opportunities to introduce innovative advisory and digital solutions that complement their traditional services.

Growth and Leadership Recent promotions and the addition of new partners showcase a focus on leadership development and firm growth, suggesting openness to strategic collaborations or leadership training programs that could enhance their service offerings.

Industry Specializations With expertise in construction, hospitality, agriculture, and nonprofit sectors, the firm serves diverse industries with specific needs that could benefit from targeted technology solutions, compliance tools, and industry-specific analytics software.

Technology Adoption Utilizing a modern tech stack, including cloud services and digital marketing tools, indicates a willingness to adopt new technologies, offering potential for sales of cloud-based accounting solutions, cybersecurity services, or client engagement platforms.

Financial Scale and Opportunities With revenues between 100 million and 250 million and a workforce of over 50 CPAs, the firm has substantial financial capacity and complexity that can be addressed with enterprise-grade financial software, process automation, and consultancy services to optimize operations.

Similar companies to Ketel Thorstenson, LLP

Ketel Thorstenson, LLP Tech Stack

Ketel Thorstenson, LLP uses 8 technology products and services including Linkedin Insight Tag, Cloudflare, Select2, and more. Explore Ketel Thorstenson, LLP's tech stack below.

  • Linkedin Insight Tag
    Analytics
  • Cloudflare
    Content Management System
  • Select2
    Javascript Libraries
  • Constant Contact
    Marketing Automation
  • LinkedIn
    Online Community Software
  • reCAPTCHA
    Security
  • Bootstrap
    UI Frameworks
  • Adobe Creative Suite
    Visualisation Software

Media & News

Ketel Thorstenson, LLP's Email Address Formats

Ketel Thorstenson, LLP uses at least 2 format(s):
Ketel Thorstenson, LLP Email FormatsExamplePercentage
First.Last@ktllp.comJohn.Doe@ktllp.com
43%
First@ktllp.comJohn@ktllp.com
37%
FirstL@ktllp.comJohnD@ktllp.com
15%
Last@ktllp.comDoe@ktllp.com
3%
Fir.Last@ktllp.comJoh.Doe@ktllp.com
1%
FLast@ktllp.comJDoe@ktllp.com
1%

Frequently Asked Questions

Where is Ketel Thorstenson, LLP's headquarters located?

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Ketel Thorstenson, LLP's main headquarters is located at 810 Quincy Street Rapid City, South Dakota 57701 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Ketel Thorstenson, LLP's phone number?

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You can contact Ketel Thorstenson, LLP's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Ketel Thorstenson, LLP's official website and social media links?

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Ketel Thorstenson, LLP's official website is ktllp.cpa and has social profiles on LinkedIn.

What is Ketel Thorstenson, LLP's SIC code NAICS code?

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Ketel Thorstenson, LLP's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Ketel Thorstenson, LLP have currently?

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As of April 2026, Ketel Thorstenson, LLP has approximately 132 employees across 2 continents, including North AmericaEurope. Key team members include Chief Executive Officer: N. B.Chief Operating Officer: J. M.President: G. R.. Explore Ketel Thorstenson, LLP's employee directory with LeadIQ.

What industry does Ketel Thorstenson, LLP belong to?

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Ketel Thorstenson, LLP operates in the Accounting industry.

What technology does Ketel Thorstenson, LLP use?

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Ketel Thorstenson, LLP's tech stack includes Linkedin Insight TagCloudflareSelect2Constant ContactLinkedInreCAPTCHABootstrapAdobe Creative Suite.

What is Ketel Thorstenson, LLP's email format?

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Ketel Thorstenson, LLP's email format typically follows the pattern of First.Last@ktllp.com. Find more Ketel Thorstenson, LLP email formats with LeadIQ.

When was Ketel Thorstenson, LLP founded?

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Ketel Thorstenson, LLP was founded in 1936.

Ketel Thorstenson, LLP

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.

Section iconCompany Overview

Headquarters
810 Quincy Street Rapid City, South Dakota 57701 United States
Phone number
Website
ktllp.cpa
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1936
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Ketel Thorstenson, LLP's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Ketel Thorstenson, LLP's revenue is estimated to be in the range of $100M$250M

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