Copyright ©​ Troutt, Beeman & Co..


1212 Locust

Harrisonville, MO 64701

Phone: (816) 380-5500


13470 Arapaho, Suite 190

Olathe, KS 66062

Phone: (913) 764-1922

Michael E. Groszek, CPA

Mike has been with TBCO since 1992. He joined the firm as a Senior Auditor, becoming Partner in 1997. Over the years, Mike has gained significant experience in many aspects of accounting and auditing, and conducts audits, compilations, and reviews for a wide variety of businesses. He has concentrations in not-for-profit entities, and governmental audits for municipalities, water districts, and single audits.

Mike has been actively involved in peer review for the Missouri Society.  He served several terms on the West Report Acceptance Body for the State of Missouri Peer Review Program, and two terms as the executive chair for the program.


  • Certified Public Accountant, licensed to practice in both Missouri and Kansas


  • B.S. degree in Accounting, Rockhurst College


  • ​American Institute of Certified Public Accountants (AICPA), Member
  • AICPA Governmental Audit Quality Center, Member
  • Missouri Society of Certified Public Accountants (MSCPA), Member
  • Kansas Society of Certified Public Accountants (KSCPA), Member
  • Member of Not-For-Profit Connect in Kansas City
  • Missouri Rural Water Association, Member
  • Kansas Rural Water Association, Member


  • Cass County "CHART" Organization, Past Board Member
  • Missouri Governmental Conference Speaker
Harrisonville: (816) 380-5500
​Olathe: (913) 764-1922