We exist to empower families to leave a multi-generational legacy.
— Matthew Grupp, President & CEO
What Our Clients Say
Our Professional Services
The Grupp Law Firm LLC provides estate planning and trust administration services. 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.
As a Wyoming-based law firm, we help families take advantage of the state’s unique tax and estate planning benefits in order to preserve family wealth, optimize their estate taxes, and build structures that enable meaningful, lasting transfers of wealth to future generations.
Legal Services

We construct strategies for your estate—from foundational estate planning to advanced estate tax and asset protection strategies—so that you can confidently transfer your family’s wealth to those you love.
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.
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.
Recent Insights
The Benefits of a Wyoming Private Family Trust Company
Families have a variety of options when they select a trustee to administer their Wyoming trusts. There are two traditional options: an institutional trustee, such as a trust company, or an individual trustee, such as a family member or trusted advisor. In either case, these traditional trustees may not meet all of a family’s unique […]
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 […]
Revocable Living Trusts
At a Glance What Do Revocable Living Trusts Do? Revocable living trusts (RLTs) allow individuals to avoid probate and plan for incapacity. By itself, a revocable living trust does not provide asset protection or estate tax benefits. However, revocable living trusts can serve as the foundation for an estate plan that uses these irrevocable trusts. […]