Judgment. Courtesy. Diligence.

The Grupp Law Firm LLC offers estate planning, trust administration, and family office services from Jackson Hole, Wyoming and Coeur d’Alene, Idaho. We help families across the United States build and gift their wealth for a multi-generational legacy.

We exist to empower families to leave a multi-generational legacy.

— Matthew Grupp, President & CEO

Our Professional Services

The Grupp Law Firm offers sophisticated estate planning and trust administration, in order to help families build multi-generational legacies. Together with our colleagues at Grupp Financial, we provide integrated family office services in order to support families on their journey towards a flourishing future.

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.

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.

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. 

Recent Insights

Power of Attorney: the Ins and Outs

There are various kinds of power of attorney (POA). Knowing which to use is critical in making sure your goals are accomplished.  For purposes of this article, we will focus on “financial” powers of attorney.  Financial powers of attorney deal with a person’s assets or financial matters. This includes contract powers, signing authority, and dealing with third […]

Using Probability in Family Office Decision-Making

Family Offices face complex decisions every day. These involve not just financial matters, but also multi-generational family relationships. The family office is responsible for thinking decades into the future to allocate resources and manage dynamics. These decisions can have multi-generational consequences. For any of these decisions, a simple binary is not the most effective way […]

Fine Art: 5 Family Office Best Practices

Wealthy patrons and admirers have been collecting art for millennia. The ancient Greeks and Romans eagerly collected not only art from contemporary artists, but also statues and paintings from even more ancient cultures. The motivations for collecting range from wanting to protect and preserve important cultural artifacts, to appreciating aesthetic beauty for its own sake. […]