David Guess, CPA

Background and Experience:
David is a partner with over 30 years of experience in public accounting. His background includes audit, and federal / state taxation. David has worked with clients to assist them in evaluating and ensuring a planned approach to successfully implement ERP systems. David helped launch the firm’s technology subsidiary -Continuum Technology Group. This group provides clients with information technology cybersecurity reviews, cloud solutions, and network management services.

David has been a past president of the Community Bankers Advisors, a group of CPAs that provide accounting services for community banks across the US.


  • B.S.B.A. in Accounting, University of Missouri
  • AICPA – SOC for Cybersecurity

Organizational Involvement:

  • American Institute of Certified Public Accountants
  • Missouri Society of Certified Public Accountants
  • ISACA – Information Systems Audit and Control Association
  • Lifewise of Bi-State Area, Executive Committee Board Member

Hobbies & Interests
David enjoys spending time on the lake boating with family and friends, and golf.

Success Stories

“Our practice switched to Maher & Company in the summer of 2003. The professionals at Maher & Company offer sound advice and are always available and friendly. They give customer…”

Jim P. Kidd, Executive Director, St. Peters Bone & Joint Surgery, Inc.

“I am pleased to unreservedly recommend to you Maher & Company.  I have been using their services continually since 1987.  Maher & Company have handled all our needs in start-up…”

Thomas V. Connelly, Jr., Stellar Manufacturing Company

“Esse Health engages Maher & Co for all our audit and tax requirements.  We practice in a very complex healthcare industry with a variety of related entities.  The Maher professionals…”

Michael Castellano, CEO, Esse Health

“Maher & Company has been our trusted audit and tax accounting partner for over twenty years handling our day-to-day needs as well as being an invaluable partner during the planning…”

Rob Johnes, President, Helmkamp Construction Company
News & Blogs
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Jan 17, 2020
2019 – 12/26 – 5 ways to strengthen your business for the new year

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Dec 19, 2019
Maher & Co.’s 2019 Year – End Tax Letter

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