Trust and Inheritance Planning for Private Equity Executives Trust planning for private equity executives works best when carried interest and fund equity are removed from the estate early, before they appreciate. Freezing today’s low value inside a trust can shelter tens of millions from US estate tax and UK inheritance tax across the Atlantic. By […]
Trust planning for private equity executives works best when carried interest and fund equity are removed from the estate early, before they appreciate. Freezing today’s low value inside a trust can shelter tens of millions from US estate tax and UK inheritance tax across the Atlantic.
By the Jungle Tax Cross-Border Tax Team — reviewed by a US-UK dual-qualified adviser (CPA / Enrolled Agent).
A partner at a buyout or growth fund rarely holds ordinary wealth. The balance sheet is a stack of illiquid, fast-appreciating interests: carried interest, general partner and limited partner commitments, co-investment stakes, and equity in the management company itself. Each of these can multiply in value over the life of a fund. That is exactly what makes them dangerous inside an estate and ideal to give away early.
The arithmetic is stark. US federal estate and gift tax runs at a flat 40% above the exclusion, and the UK charges inheritance tax at 40% on assets above the nil-rate band. A carry position worth a few hundred thousand pounds at grant that grows into eight figures at exit is precisely the asset you want outside the taxable estate before the growth happens. Trust planning private equity executives put in place today captures that appreciation for the next generation rather than the two tax authorities.
For executives who owe tax on both sides of the Atlantic, the challenge doubles. A gift or a trust settlement that solves a US problem can create a UK one, and vice versa. Our guide to the US-UK estate tax treaty explains how the two systems interact.
There is also a liquidity trap unique to fund principals. Carry and GP interests cannot easily be sold to pay a tax bill, and lockups mean an estate can be asset-rich but cash-poor at exactly the wrong moment. If a partner dies mid-fund with a large paper carry position, heirs can face a 40% charge on an illiquid interest they cannot readily monetize. Moving that interest into trust early sidesteps the problem before it can arise, which is why the timing of any transfer matters as much as its structure.
Following the One Big Beautiful Bill Act, the federal lifetime estate, gift and generation-skipping transfer (GST) exclusion rose to $15 million per person from 1 January 2026, or $30 million for a married couple, indexed for inflation from 2027. The rate above that threshold remains 40%. Crucially, this exemption is now permanent rather than scheduled to sunset, which removes the “use it or lose it” panic and lets executives plan on a stable base.
Permanence does not mean complacency. The exclusion shelters transfers at today’s values, so the real leverage still comes from gifting appreciating assets early — a $2 million carry gift that consumes a fraction of the exclusion today may represent $20 million of sheltered value at exit. The GST exemption, also $15 million, deserves particular attention: applied to a dynasty trust, it can keep fund appreciation outside the estate tax net not just for children but for grandchildren and beyond, compounding the benefit across generations.
A US citizen or domiciliary is taxed on worldwide assets. The estate tax reaches fund interests wherever the fund is organized. The planning goal is to use gifting and freezing techniques so that future appreciation on carry and co-invest accrues outside the estate, ideally into a trust the executive can influence through carefully drafted terms without pulling the assets back into their taxable estate. This is the heart of what effective trust planning for private equity executives should aim for.
|
Feature |
US federal transfer tax |
UK inheritance tax
|
|---|---|---|
|
Headline rate |
40% |
40% |
|
Exclusion / nil-rate band |
$15M per person (2026) |
£325k + up to £175k residence band |
|
Basis of charge |
Citizenship/domicile (worldwide) |
Long-term residence (worldwide) |
|
Lifetime gifts |
Unified with the estate tax |
Potentially exempt after 7 years |
|
Generation-skipping |
Separate GST tax at 40% |
Relevant-property regime charges |
Carry is the crown jewel of PE gifting because it can be transferred at its lowest value. Under Section 1061, gain allocated to an applicable partnership interest is only long-term capital gain if the underlying asset was held for more than 3 months; otherwise, the gain is recharacterized as short-term. That holding-period rule shapes when and how carry is moved.
The classic technique is the “vertical slice” gift: an executive transfers a proportionate slice of every fund interest — carry, capital, and co-invest — to a trust early in a fund’s life, when a defensible valuation is modest. Because the carry has little value at that stage, the gift consumes little of the $15 million exclusion, yet all subsequent appreciation lands in the trust. Executives often pair this with a carried interest tax structure that works on both sides of the Atlantic.
Two freeze vehicles do most of the heavy lifting:
Where portfolio companies are domestic C-corporations, a further prize appears: Qualified Small Business Stock under Section 1202 can exempt millions of dollars in gain per issuer, and layering trusts can multiply the exclusion. Our QSBS explainer covers the eligibility traps.
Two UK reforms reshape this planning. First, from 6 April 2025, the UK abolished the domicile-based system and moved to a residence-based inheritance tax regime. Non-UK assets fall within IHT once an individual has been UK resident for at least 10 of the previous 20 tax years, and an “IHT tail” of three to ten years follows them even after they leave. For an American executive on a London desk, that clock matters enormously.
Second, from 6 April 2026, the UK taxes carried interest as trading profit, subject to income tax and Class 4 National Insurance rather than capital gains tax. Qualifying carry (broadly requiring a weighted average holding period of at least 40 months) is taxed at an effective 34.075% for additional-rate payers, while non-qualifying carry can reach roughly 47%. That shift raises the cost of holding carry personally and strengthens the case for moving it into trust before value builds.
UK trusts carry their own cost: the relevant-property regime imposes an entry charge, ten-yearly charges of up to 6%, and exit charges. For effective trust planning, private equity executives must weigh those periodic charges against the estate-freeze benefit and the more favorable US grantor-trust treatment before choosing where to settle a trust.
Cross-border families rarely get a clean answer from one country’s rulebook. A US grantor trust is often a UK “relevant property” trust; a UK-favourable structure may be a US foreign non-grantor trust with punitive throwback rules. The US-UK estate and gift tax treaty allocates taxing rights and can prevent the same asset from being taxed twice, but it must be read alongside domestic law, not instead of it.
Sequencing is everything when two regimes overlap. A gift that is complete for US purposes may be an immediately chargeable transfer into a UK relevant-property trust, triggering an entry charge the moment the trust is funded. The order in which an executive settles a trust, funds it, and — if relevant — leaves or arrives in the UK can change the tax outcome by seven figures. Coordinated trust planning that private equity executives undertake looks at valuation dates, the Section 1061 holding period, the UK residence clock, and treaty relief as a single timeline rather than a series of isolated decisions. Getting that sequence right is what separates a structure that saves tax from one that merely defers a larger bill.
Reporting is where good structures go wrong. A US beneficiary of a foreign trust files Form 3520 and Form 3520-A for transfers and distributions. Fund interests frequently trigger Form 8621 for PFICs and Form 8865 for foreign partnerships. Missing any of these carries penalties that dwarf the tax. Our foreign trust reporting guide and our note on the UK’s FIG regime map the compliance path.
Ava, a US citizen who has lived in London for eight years, was promoted to partner at a mid-market buyout fund. Her new carry vintage was valued at just £180,000 at grant, projected to reach £9 million at exit. Working with a dual-qualified team, she made a vertical-slice gift of a proportionate strip of her carry, GP commitment, and co-invest into a US dynasty trust structured as an intentionally defective grantor trust, using a modest slice of her $15 million exclusion. The trust was drafted to sit outside her UK estate before her 10-year residence clock closed. Result: roughly £8.8 million of projected appreciation, plus GST leverage for her children, moved outside both the US estate and UK IHT nets — with Forms 3520 and 8865 filed on time.
Jungle Tax helps private equity executives, founders and fund principals structure carry, co-investment and fund equity across the US-UK border — coordinating estate, gift, IHT and carried-interest planning in one place. To start a confidential review, email hello@jungletax.co.uk, call 0333 880 7974, or visit jungletax.co.uk.
When is the best time for a private equity executive to start estate planning?
The ideal moment is when a new carry vintage is granted, and its value is at its lowest. Gifting a slice of carry into a trust at that point uses very little exclusion yet captures all future growth. Waiting until a fund is marked up means giving away far more value — or paying 40% transfer tax on it later.
Does trust planning actually reduce a private equity executive’s tax bill?
Yes, when done early. Effective trust planning for private equity executives puts in place freezes that freeze today’s value and shift future appreciation outside the taxable estate, potentially saving 40% US estate tax and 40% UK inheritance tax on the growth. It does not eliminate income tax on the carry itself while it is earned.
What is a vertical slice gift?
It is a transfer of a proportionate strip of every fund interest an executive holds — carry, capital commitment, and co-investment together — into a trust. Providing a uniform slice, rather than only the carry, helps support the valuation and reduces the risk of an IRS challenge to the gift.
How does the US-UK estate tax treaty help?
The treaty allocates taxing rights between the two countries and provides relief to prevent either country from taxing the same asset. It is essential for US citizens living in the UK, but it works alongside domestic rules and does not remove the need to plan under each country’s laws.
Will the UK’s 2026 carried interest changes affect trusts?
They raise the personal tax cost of holding carry, because carry becomes trading income subject to income tax and National Insurance from 6 April 2026. That makes moving carry into an appropriate structure before it appreciates more attractive, though UK trust charges must be weighed in the analysis.
