Matthew Grupp, Managing Attorney

Matthew Grupp leads by example at The Grupp Law Firm LLC. He always championing his clients’ needs and following the motto “family first.” He has extensive experience as a Private Family Trust Company and Family Office executive representing ultra-affluent clients, who include entrepreneurs, corporate executives, and families with inherited wealth. Matthew coordinates with his clients’ other professional advisors to best address his clients’ family and business objectives. Matthew frequently holds speaking engagements on the structure and benefits of the Wyoming Private Family Trust Company.


From 1997-2005, Matthew Grupp worked as a Senior Tax Manager in the Mergers & Acquisitions practice at Deloitte & Touche, LLP. He earned a B.A. in Classical Languages (Greek and Latin) and Philosophy from the University of Montana, a J.D. from the University of Montana School of Law, and an LL.M. in Taxation from the New York University School of Law. Matthew and his wife are the proud parents of eleven children and five grandchildren. Matthew enjoys reading Aristotelian and Thomistic philosophy.

“Every art and every inquiry, and likewise every action and choice, seems to aim at some good, and hence it has been beautifully said that the good is that at which all things aim.” -Aristotle, Nicomachean Ethics, Book 1, Chapter 1

Affiliations & Community Engagement

  • Wyoming State Bar Estate Planning, Elder Law, Trust & Probate Section
  • Wyoming State Bar Business Law Section (Past President)
  • The Wealth Counsel
  • Family Office Exchange
  • American Bar Association
  • Wyoming State Bar Association
  • Idaho State Bar Association
  • New York State Bar Association
  • Catholic Parish Adult Religious Education Volunteer