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About Us


DeSmet and Biggs, LLP has been providing quality, personalized tax, accounting, and financial services to individuals and businesses since 1983. The firm currently has three partners and nine professional and administrative staff, located in offices in Rapid City, and Spearfish, in the beautiful Black Hills of South Dakota. We are the third largest public accounting firm in western South Dakota.

Our practice areas include the following:

  • Tax planning and preparation for individuals, businesses, trusts, estates, and non-profit entities
  • Bookkeeping and payroll services, including accounting software consulting
  • Attest work including compilations, reviews, and audits of small businesses, non-profit organizations and local governments


Our Mission

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients' needs through research and sound analysis. DeSmet and Biggs, LLP is dedicated to meeting these goals with high standards of excellence and professionalism. We have been a staple of Rapid City's business community for years, and pride ourselves on the level of esteem we have earned.

Our dedication to hard work has earned the respect of the business and financial community in and around Rapid City. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that individuals and businesses who choose DeSmet and Biggs, LLP receive competent and timely advice.

Our Team

Teresa Biggs, CPA

Partner & Certified Public Accountant 605-348-8870

Megan Kinder, CPA

Partner & Certiied Public Accountant 605-348-8870

Jenny L. Donovan, CPA

Partner & Certified Public Accountant 605-559-1394

Meet the Staff:

Myla Jensen, CPA
Becky Portlock, CPA
Myrna Schoon
Cindy Wilson
Patti Konechne
Renae Kampa
Patti DiGiacomo
Jennifer Coyle
Kayla Chadwick
Keith Chaffin
Brittany Cianelli
Janell DeWing