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People angle Michael J. Devereux II

Michael J. Devereux II

Partner and Director of Manufacturing, Distribution and Plastics Industry Services


Mike Devereux joined Mueller Prost in 2000 in the firm’s tax department and became a partner of the firm in 2014. As an energetic and ambitious CPA with an outstanding passion for tax, Mike has identified millions of dollars in tax incentives for the firm’s manufacturing clients, has led hundreds of R&D Tax Credit study engagements, and has demonstrated leadership and exceptional judgment in the tax structuring of various acquisitions. He speaks nationally to various professional and industry trade organizations and associations about opportunities to reduce federal and state tax liabilities and has written dozens of articles for trade publications.

Prior to joining Mueller Prost, Mike worked for his father’s CPA firm beginning at the age of 13, thus setting the stage for a career in public accounting. His fervor for tax legislation that impacts his clients is unmatched and drives his pro-active approach to serving clients.

Organizations & Awards

Professional Organizations
  • American Institute of Certified Public Accountants (AICPA)
  • Missouri Society of Certified Public Accountants (MSCPA)
  • Associated Industries of Missouri
  • Manufacturers Association of Plastics Processors (MAPP) – Board Member
  • Allinial Global R&D Tax Credit Community of Practice – Chairman
  • Manufacturing Services Association (MSA) – Executive Board Member
  • Manufacturing CPAs – President
Civic Organizations
  • Little Flower Parish Finance Committee, St. Louis, MO – Chairman

Manufacturing CPA’s Member of the Year, 2017

St. Louis Small Business Monthly’s Best in Business, Best M&A Providers in St. Louis 2016

CPA Practice Advisor’s 40 under 40 Class of 2015

St. Louis Business Journal’s 30 under 30 Class of 2007


  • Bachelor of Science in Accounting – Missouri State University
  • Certified Public Accountant (CPA) – Missouri
  • Certified Manufacturing Professional (CMP)

Speeches & Publications

Mike is a preferred speaker for various local and national organizations. He has also presented at a wide variety of colleges and universities for educational purposes. Please call 314.862.2070 or contact us to book Mike for your event.

Speaking Topics
  • R & E Tax Credits
  • IC-DISC Export Incentives
  • Domestic Production Activities Deduction
  • Tax Incentives for Manufacturers
  • Entity Selection Tax Planning
Recent Speeches

Tax Reform & Tax Topics | Stout Presentation | Chicago, IL

Tax Reform Panel | Parkside Financial Panel Discussion | St. Louis, MO

Tax Reform | Plastics NA Film & Bag Annual Conference | Fort Lauderdale, FL

Recent Publications

The Bottom Line: Tax-Change PredictionsMold Making Technology, January 2017

The Bottom Line: Recent Tax Issues Affecting MoldmakersMold Making Technology, September 2016