Finnegan, Mike

Mike Finnegan


Director Tax Department

Support Team
  • Miranda McGuire (605) 716-8894

Mike Finnegan


Director Tax Department

Mike has been with the firm since 1973, working primarily in the tax department. His areas of expertise include review and preparation of individual, corporate, partnership, and fiduciary returns. He is also involved with tax and estate planning. Mike assists organizations with entity selection and provides ongoing support for these organizations. His emphasis is on agriculture, medicine, proprietorship, and manufacturing.


  • BS in Commerce – St. Louis University

Professional Affiliations

  • American Institute of Certified Public Accountants
  • South Dakota CPA Society


  • Rapid City Trap & Skeet Club
    • Treasurer


Mike is an avid hunter and sportsman. He enjoys shooting trap, skeet, and five-stand (sporting clays) as well as riding ATVs in the hills. You can also find Mike supporting his grandkids in all of their sports and arts activities.

Mike's Latest Posts

KT Insights
October 27, 2014

Reminder for Farmers and Ranchers

Ranchers and farmers may need to be planning more this year than usual. Congress finally passed the Farm Bill of 20...