Judgment. Courtesy. Diligence.

The Grupp Law Firm LLC helps families flourish by preserving wealth and building legacies.

Our offices in Jackson Hole, Wyoming and Coeur d’Alene, Idaho serve clients across the United States.

Our Process

Get in Touch

We exist to empower families to leave a multi-generational legacy.
— Matthew Grupp, President & CEO

What Our Clients Say

The Grupp Law Firm LLC

5.0

Based on 12 reviews

review us on

Karen Kirschling

23:50 18 Feb 25

We absolutely agree with a previous post. Mathew and Ben were outstanding and so professional during this process...it was perfection! It is with pleasure to highly recommend this law firm for your estate planning needs. Thank you for all your work.

Anna Sullivan

21:37 28 Jan 25

My experience with Matthew Grupp and his staff was nothing short of perfection. It's not an easy process to put together your will/trust....Matthew Grupp made the process seamless and without any stress. The process was handled with the utmost of care and consideration. The entire staff is efficient, knowledgeable and so wonderful to work with. I felt at ease with the process from start to finish. I HIGHLY recommend The Grupp Law firm for your estate planning needs. Thank you to everyone at The Grupp Law Firm for taking such great care of me!!

Will Hastings

17:55 30 May 24

Hands down the best lawyer experience I’ve had. Patrick was extremely knowledgeable and professional and made my meeting with him a breeze. Can’t recommend Grupp law firm enough.

Adrian Santos

16:48 30 Apr 24

I highly recommend working with Grupp Law Firm. I am working with Patrick and have been very happy and impressed with the great communication, professionalism, and knowledge shared. They truly have a customer centric / personalized approach. I am confident that I have found a trustworthy, long-term partner for my projects.

Jeffrey Caswell

18:41 06 Dec 23

Amazing! Attorney Patrick and his team are phenomenal to work with as they make the legal process smooth, stress-free, honest, effective, efficient, and offer reassurance every step along the way. I recommend them with confidence. I will be forever grateful that I found this firm.

Ryan Link

14:35 02 Nov 23

Matthew, Michael, Kayanne, and everyone at The Grupp Law Firm have been a joy to work with. They are highly competent, diligent, curious, thorough, and kind. Our family has felt the most personal level of care from them, and we enjoy and look forward to the conversations we have with the Grupp team. They have our highest confidence in both business and estate matters.

William Michalk

15:26 28 Oct 23

Based on the recommendation from family attorney, we hired the Grupp Law Firm (Matthew, Michael) for our estate. We have been with them now for more than a decade. We have a complicated estate with many facets, yet they developed intricate plans that are just short of actual miracles. Based on our many years of experience, we highly recommend them to everyone. The peace of mind knowing they have our back is immeasurable. You will not find a better estate legal firm.

Our Professional Services

The Grupp Law Firm LLC offers families legal services including sophisticated estate plans. Together with Grupp Financial LLC, we offer family office services, including trust administration and investment advisory services. Our mission is to support families on their journey towards a flourishing future. If we can assist your family by serving in one of these roles, please contact us.

Estate Planning & Asset Protection

We construct strategies for your estate—from foundational planning to advanced asset protection—so that you can confidently transfer your family’s wealth to those you love.

Learn More

Wyoming Private Trust Company Formation

We help families design and form Wyoming private family trust companies so that they have a trustee structure built for continuity, governance, and long-term stewardship.

Learn More

Wyoming Private Trust Company Administration

We help families administer their Wyoming private family trust companies to maintain compliance and Wyoming nexus. Families benefit from a family-centered governance structure serving as a Wyoming trustee.

Learn More

Family Office Services

The Private Client team coordinates integrated services so that you have a seamless and holistic experience with your family office. We treat clients with integrity, care, and transparency.

Learn More

Fiduciary Services

Trustees are bound by high fiduciary responsibilities to administrate trusts on behalf of beneficiaries. These responsibilities can be complex and carry liability. We assist trustees with their fiduciary roles and responsibilities.

Learn More

Recent Insights

The Wyoming Asset Protection Trust Explained

Asset Protection Trusts Wyoming Domestic Asset Protection Trusts (DAPTs) have become a well-known strategy to secure wealth. Over the past decades, Wyoming has become a leading asset protection situs due to its tax laws, strong legal protection, and privacy. However, Wyoming DAPTs have also been misleadingly marketed as a panacea for all types of financial […]

The Benefits of a Wyoming Private Family Trust Company

This article is an overview of the private family trust company structure and its potential benefits for families. For more information on design considerations and best practices for the private family trust company, please read How to Form a Wyoming Private Trust Company. The Private Family Trust Company is an entity formed and controlled by […]

How to Form a Private Trust Company

Many ultra-high-net-worth families have heard of the benefits of establishing a private trust company to serve as trustee of their trusts. (We prefer “private family trust company” or “PFTC”) . However, they might not understand the nuanced best practices on forming a PFTC. This blog explores some of the legal and structural issues that families […]