Estate Tax Planning Strategies for Multigenerational Wealth

Thayer Partners Thayer Partners January 21, 2026

Actionable estate tax minimization strategies for HNW families preparing for 2025 and beyond.

Understanding estate tax risks in 2025 and why HNW families must act early

Estate tax planning is more important than ever as exemption levels, tax rates, and state laws evolve heading into 2025 and beyond. Many high-net-worth (HNW) families assume the current high federal exemption shields them from liability—but laws can change rapidly, and state-level estate/inheritance taxes may apply at much lower thresholds.

A solid estate tax plan requires a full inventory of assets (real estate, investments, business interests, retirement accounts, and life insurance) and an understanding of each vehicle’s tax treatment. Assess your likely exposure under both federal and state law, considering both current value and future appreciation. Transparent family communication about goals, legacy, and expectations lays the groundwork for a plan that stands the test of time. For practical strategies, see the Thayer Partners blog.

Key strategies and structures: trusts, gifting, and tax-efficient vehicles

Key estate tax minimization strategies center on trust structures, lifetime gifting, and strategic philanthropy. Popular tools include grantor retained annuity trusts (GRATs), spousal lifetime access trusts (SLATs), irrevocable life insurance trusts (ILITs), charitable remainder trusts, and annual exclusion gifts. Each offers different levels of control, complexity, and impact on long-term legacy. Don’t overlook asset location: aligning investment vehicles with tax-advantaged or tax-neutral accounts can make a meaningful difference at transfer time. Charitable strategies, such as donor-advised funds or private foundations, allow philanthropy while shrinking the taxable estate. For a primer, see Fidelity’s estate planning guide.

How to avoid costly mistakes: family communication and expert guidance

Estate tax plans often fail in execution rather than design. Most costly errors are rooted in poor communication, outdated documents, or lack of coordination among family and professional advisors. Schedule annual reviews and openly discuss legacy goals, changing family circumstances, and legal or tax changes. Involve fiduciary advisors with expertise across legal, tax, and investment domains to avoid oversights. Keep clear, up-to-date records on beneficiaries, titles, and asset documentation. 

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This material prepared by Thayer Partners is for informational purposes only.  It is not intended to serve as a substitute for personalized investment advice or as a recommendation or solicitation of any particular security, strategy or investment product.  Thayer Partners is a Registered Investment Adviser. SEC Registration does not constitute an endorsement of Thayer Partners by the SEC nor does it indicate that Thayer Partners has attained a particular level of skill or ability. The material has been gathered from sources believed to be reliable, however Thayer Partners cannot guarantee the accuracy or completeness of such information, and certain information presented here may have been condensed or summarized from its original source.  Thayer Partners does not provide tax or legal or accounting advice, and nothing contained in these materials should be taken as such.

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