Tax returns for investors and non-residents: which form applies, and when
Which Spanish return applies if you hold assets, accounts or crypto outside Spain, if you invest from Spain or if you are a non-resident with property here: Form 720, Form 721, the investor income tax return, Form 210 and Form 151, with their deadlines and how BMC files them.
How we work
Tax position and assets
We establish your tax residence and list what you hold outside Spain (accounts, securities, property, crypto), and what you hold in Spain if you are a non-resident, with its value on 31 December.
Which returns apply
From that list we tell you which forms you must file this year (720, 721, income tax, 210 or 151), with their deadlines, and whether earlier years should be regularised.
Preparation and filing
We prepare each return with its supporting documents and file it on your behalf with the Spanish tax agency, on time, with the filing receipt.
Follow-up
If the tax agency sends a request about a return we filed, the same adviser answers it. We remind you of next year's deadlines.
The challenge
Holding wealth on both sides of the border means several different returns, each with its own threshold, deadline and penalty: Form 720 for assets abroad, Form 721 for crypto, the income tax return for what they earn, Form 210 if you are a non-resident with a property here. Picking the wrong form or missing a deadline costs money.
Our solution
We check your situation (tax residence, where your assets are and what they are worth on 31 December), tell you which returns apply and file them on your behalf, with an adviser who answers the tax agency if it asks.
If you hold wealth in more than one country, Spain may expect several different returns from you. This page brings together the ones for investors and non-residents: which form applies to your situation, its deadline and its penalty, and how BMC files them.
Which form applies to you
| Your situation | Return | Deadline |
|---|---|---|
| Spanish resident with accounts, securities or property abroad above €50,000 in one block | Form 720 | 1 January to 31 March of the following year |
| Resident with crypto held by custodians outside Spain above €50,000 | Form 721 | 1 January to 31 March of the following year |
| Resident with investment income (dividends, interest, sales of shares or funds) | Investor income tax return (Form 100) | Income tax campaign |
| Non-resident with a property or income in Spain | Form 210 | Depends on the type of income (see below) |
| Worker relocated to Spain under the Beckham regime | Form 151 | Income tax campaign |
Form 720: assets and rights held abroad
Spanish tax residents file it when their assets abroad exceed €50,000 in any of the three blocks (accounts; securities, insurance and annuities; real estate) on 31 December. It is informative: it creates no tax charge, but not filing it is penalised at €20 per item, with a minimum of €300 and a maximum of €20,000 (art. 198 of the General Tax Law). Since CJEU judgment C-788/19 and Law 5/2022, the 150% penalties and the absence of a limitation period are gone. The full detail is on the Form 720 page.
Form 721: crypto held abroad
Since tax year 2023, anyone with virtual currencies held by exchanges or custodians outside Spain worth more than €50,000 on 31 December files Form 721, with the same deadline and penalties as Form 720. Gains from selling or swapping crypto are taxed separately, in the income tax return. More on the Form 721 page.
Investor income tax return
What your investments earn, in Spain or abroad, goes in the income tax return (Form 100): interest, dividends and gains or losses on selling shares, funds or crypto, with the international double taxation credit where tax was already paid in another country. It is the return where a well-kept inventory for Forms 720 and 721 makes the most difference. More on the investor income tax return page.
Form 210: non-residents with income in Spain
A non-resident with a property or income in Spain pays Non-Resident Income Tax, at 19% if resident in the EU or EEA and 24% otherwise.
- Property that is not let: an imputed income is declared.
- Let property: the rental income is declared. EU and EEA residents can deduct the letting expenses.
- Sale of the property: the buyer withholds 3% of the price (Form 211) and the seller files Form 210 for the gain.
The deadline for each case is on the Form 210 page, and if you need a representative before the tax agency, see fiscal representation for non-residents.
Beckham regime and Form 151
Workers who relocate to Spain under the special regime of art. 93 of the Spanish Income Tax Act are taxed for six years under non-resident rules: they do not file Form 720 (binding ruling V0092-14) and their annual return is Form 151. More on the Beckham Law page.
Two ways to do it
- With an adviser: someone at BMC checks your case, advises you, files the return and answers the tax agency if there is a request. This is the route available today for all these returns.
- Platform (coming soon): BMC One prepares the return from the documents you provide and BMC checks it and files it on your behalf. No advice and no requests included.
The first meeting, to see which returns apply to you, is free.
Results that speak for themselves
Tech company international expansion
Tax structure implemented enabling operations in 3 new markets with 28% tax savings compared to the unplanned scenario.
Corporate Group Tax Optimization Spain | BMC
28% reduction in consolidated tax burden and simplification of the corporate structure from 5 to 3 entities.
Beckham Law Tech Executive: 24% Rate, BMC Case Study
Effective tax rate reduced from 47% to 24%, saving €180,000 per year. Article 149 election approved without issues.
Reference guides
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Complete guide for US citizens living in Spain: FATCA, FBAR, Form 8938, Spain-US Double Tax Treaty 1990, Beckham Law, and how to coordinate the IRS and Spain's AEAT.
View guideAnalysis and perspectives
Publications
Latest from the BOE
Recent regulation with practical consequences in this area.
- Medium · 28 Oct 2026Taxpayers: new guidelines for the preparation and processing of Tax Inspection reports
- Medium · 17 Oct 2026Tobacco retailers: new retail prices for Tangiers pipe tobacco in Mainland Spain and the Balearic Islands
- Medium · 13 Oct 2026Tobacco manufacturers and importers: new tax stamp models must be implemented from 1 January 2027
- Medium · 9 Oct 2026Representatives before the Cadastre: new standardised representation model approved for tax procedures
DGT Tax Rulings
Binding rulings from the Spanish DGT (Dirección General de Tributos) on this topic. — Fuente: DGT (ES)
- IRPF · V5720-26 · 2026-09-30No es deducible la parte del préstamo ampliado destinada a fines distintos a la vivienda habitual
- IRPF · V5719-26 · 2026-09-30No se puede aplicar la exención por reinversión si parte del importe se paga fuera del plazo de dos años
- IRPF · V5718-26 · 2026-09-30No son deducibles las cuotas de colegios profesionales si la colegiación no es obligatoria para el trabajo
- IRPF · V5717-26 · 2026-09-30Se debe devolver la deducción por inversión en empresas de nueva creación si no se mantiene la inversión entre tres y doce años
Frequently asked questions
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