Spain doesn't recognise trusts as legal entities — but it taxes their income aggressively. Attribution rules, IRPF treatment, inheritance and gift tax implications, Modelo 720 obligations, and planning strategies for US and UK trust beneficiaries moving to Spain.
Few areas of Spanish international tax law create more confusion and anxiety for US and UK clients than the treatment of trusts. The United States and the United Kingdom have long legal traditions of the common law trust — a flexible wealth-management structure used for estate planning, asset protection, charitable giving, and cross-generational wealth transfer. Spain has no equivalent domestic institution. Spanish civil law (rooted in the Napoleonic code tradition) does not recognise the legal separation between legal ownership and beneficial interest that defines the trust concept. Yet Spain taxes trust income. Understanding how it does so — and what that means for your obligations — is essential for any US or UK national considering a move to Spain.
Spain is a civil law jurisdiction. Its property law recognises ownership as a unified concept: you either own an asset or you do not. The trust divides ownership into legal title (held by the trustee) and beneficial interest (held by the beneficiary) — a distinction that has no direct equivalent in Spanish law. Spain has not ratified the 1985 Hague Convention on the Law Applicable to Trusts and on their Recognition, which means there is no domestic framework for recognising or enforcing foreign trusts as such.
The practical consequence is that when a US or UK trust instrument encounters Spanish tax law, Spain must translate it into concepts its own legal system understands. The vehicle it uses for this translation is fiscal attribution: the AEAT looks through the trust structure and attributes the underlying income and assets to the individual who, under Spanish legal analysis, is most appropriately treated as the "economic owner" — whether that is the settlor, the beneficiary, or in some cases, the trust itself treated as a transparent entity.
The key question in every trust case is: to whom does Spain attribute the income and assets held by the trust? The answer depends on the type of trust, the nature of the beneficiary's interest, and the degree of control retained by the settlor or trustee.
In a fixed interest trust, the beneficiary has an absolute, immediately vested, and certain entitlement to income and/or capital — the trustee holds legal title but has no discretion over the distribution of economic benefit. From a Spanish tax perspective, this structure is relatively straightforward: the beneficial interest holder (who is a Spanish tax resident) is treated as the owner of the underlying trust assets. Income generated by those assets is attributed to the beneficiary in the year it arises, even if not yet distributed. The beneficiary includes this income on their IRPF return, characterised according to its underlying nature (interest as rendimientos del capital mobiliario, rents as rendimientos del capital inmobiliario, etc.).
The discretionary trust is far more complex. In a true discretionary trust, no beneficiary has a current and certain right to any particular income or capital distribution. The trustee has absolute discretion over who receives distributions, when, and in what amounts. The class of potential beneficiaries may include individuals who may never actually receive anything.
The AEAT's approach to discretionary trusts has evolved through binding consultations. The general principle is:
The Dirección General de Tributos has issued a series of binding consultations addressing specific trust scenarios. Several key themes emerge from the published consultas vinculantes:
Income characterisation: When trust distributions are made to a Spanish tax resident, the income is generally characterised as rendimientos del capital mobiliario (savings income from movable capital), subject to savings income rates of 19–28%. The distribution is not reclassified based on the underlying nature of the income within the trust (so dividends received by the trust and then distributed to a Spanish resident do not retain their dividend character for Spanish IRPF purposes — they are simply treated as trust distributions).
Revocable trusts: US revocable living trusts — a common US estate planning tool — are treated as fully transparent by the AEAT. Because the grantor retains the right to revoke the trust and recover the assets at any time, Spain treats the trust as a mere administrative wrapper and attributes all income and assets directly to the grantor-settlor as if no trust existed. This means there is no Spanish tax advantage to the US revocable trust structure; it is entirely disregarded.
Irrevocable trusts with Spanish-resident settlors: Where the trust is technically irrevocable but the settlor (now Spanish tax resident) is also a beneficiary, the AEAT has taken the position that the settlor-beneficiary's right to future distributions — even if discretionary — is sufficient to trigger attribution. Each case turns on the specific trust terms and applicable law.
Charitable trusts: Non-charitable trusts must be distinguished from charitable trusts. Properly constituted charitable trusts with no private beneficiaries may fall outside the standard attribution analysis, but this area is poorly developed in Spanish administrative practice.
When a trust makes a distribution to a Spanish tax resident, the characterisation as income versus gift or inheritance is critical — because the tax treatment differs dramatically.
If the distribution is characterised as income from a pre-existing contractual or beneficial right (rendimientos del capital mobiliario under IRPF), the beneficiary pays income tax at 19–28% savings rates.
If the distribution is characterised as a gift or inheritance (because the beneficiary had no pre-existing right and is essentially receiving a windfall from the settlor's direction), the distribution may be subject to inheritance and gift tax (Impuesto de Sucesiones y Donaciones, ISD). This is potentially far more expensive: ISD rates in Cataluña can reach 34% for non-close-family recipients, though most autonomous communities have introduced substantial bonifications for close family members.
The AEAT has not definitively resolved this characterisation question for all cases. The general practice — confirmed in several DGT consultations — is that distributions from foreign trusts to Spanish tax residents are treated as IRPF income (rendimientos del capital mobiliario) rather than ISD events, at least where the beneficiary had a recognisable beneficial interest in the trust prior to the distribution. However, where a trust distribution comes as a complete surprise to a beneficiary who had no prior documentation of their interest, the ISD risk increases.
A Spanish tax resident who is a settlor, beneficiary, or trustee of a foreign trust must report the underlying trust assets on Modelo 720 if they have sufficient economic interest in those assets (see AEAT Modelo 720 guidance). The AEAT applies the attribution principle directly to the Modelo 720 analysis: you must report what you are attributed as "owning" for tax purposes.
The trust assets are disaggregated and allocated to the relevant Modelo 720 obligations based on their nature: trust bank accounts go under Obligation 1, trust securities and financial assets go under Obligation 2, and trust real estate goes under Obligation 3. Each obligation's €50,000 threshold is assessed independently.
For discretionary trusts where no specific attribution has been triggered (e.g., no distributions made, no retained control by the settlor), the Modelo 720 position is less clear. The conservative approach — which is generally recommended — is to report all trust assets attributable to the Spanish tax resident's potential interest, even if that interest is discretionary and uncertain. The AEAT's general disposition is to require reporting when in doubt.
UK nationals moving to Spain often hold UK trusts — family trusts, offshore trusts settled by UK parents or grandparents, or trusts created by will. The Spain-UK Double Tax Treaty (signed 1975, with various protocols) does not contain specific trust provisions. The analysis follows the general attribution framework described above.
One UK-specific consideration: the UK discretionary trust regime changed significantly with the 2006 trust tax reform, which subjected most UK trusts to income tax and capital gains tax at the trust level, with a tax pool mechanism governing how much of those taxes can be reclaimed by beneficiaries on distribution. When a Spanish tax resident receives a distribution from a UK discretionary trust that has already paid UK income tax or CGT at the trust level, a double taxation question arises: the UK trust paid UK tax on the income, and now Spain wants to impose IRPF on the same distribution. The solution lies in the treaty's foreign tax credit mechanism — Spanish IRPF due on the distribution can be reduced by a credit for UK taxes demonstrably attributable to that distribution.
There is no single "correct" structure for a US or UK trust holder moving to Spain. The options available depend on the trust type, jurisdiction, terms, and the Spanish tax goals. The following strategies have been used in practice:
Pre-residency distributions: If you intend to move to Spain, making substantial trust distributions before establishing Spanish tax residency removes those funds from the IRPF and ISD analysis. Assets received before Spanish residency begins are not generally subject to Spanish taxation on the distribution itself (though subsequent income from those assets will be taxable once residency is established).
Timing of distributions after arrival: Once resident in Spain, Beckham Law taxpayers (subject to the special expatriate regime) may not be subject to IRPF on foreign-source trust income, since Beckham Law taxpayers are taxed only on Spanish-source income and employment income in Spain. Planning large trust distributions for the Beckham Law period (up to 6 years) can permanently avoid IRPF on trust income.
Trust restructuring: In some cases, restructuring a revocable trust into an irrevocable structure before Spanish residency begins can reduce the settlor-attribution risk. However, this involves significant legal and US/UK tax analysis and must not be done without comprehensive cross-border advice.
Transparency and documentation: Obtaining a copy of the trust deed, identifying the applicable law, documenting the beneficiary's interest, and preparing a formal trust memo for presentation to the AEAT in the event of an inspection is essential. The AEAT has increasing capacity to challenge undeclared trust assets, particularly where CRS information exchange reveals discrepancies.
Jacob Salama advises settlors and beneficiaries of US and UK trusts on their Spanish IRPF, ISD and Modelo 720 obligations. Get structured, specific advice before you move — not after the AEAT sends a letter.