Best Broker for Spanish Investors (2026):
IBKR, DEGIRO, Trading 212, and XTB
Spanish investors face a specific set of constraints: Modelo 720 reporting, CNMV oversight, and PRIIPs/KID rules that block access to US-domiciled ETFs. This guide ranks the four most-used options against those filters — cost, custody, regulatory standing, and tax-reporting quality.
Some of the links on this site are affiliate links, meaning we may earn a commission at no extra cost to you if you sign up through them. This does not affect our reviews or recommendations — we only feature products we genuinely believe are useful for investors. This site provides educational content only, not personalized investment advice. Investments can lose value and past performance does not guarantee future results. You are responsible for your own financial decisions and for confirming the tax and legal rules that apply in your country.
TL;DR
- Best overall: IBKR — direct custody, near-zero FX costs, best Modelo 720 reports.
- Best low-friction starter: DEGIRO — commission-free ETF list, well-established in Spain.
- Best for zero-commission + cash interest: Trading 212 — fractional shares, competitive EUR cash rate.
- Best CNMV-regulated option: XTB — Spanish offices, zero commission up to €100k/month.
- Modelo 720 requires declaring overseas assets above €50k per category — every broker here qualifies as overseas.
- PRIIPs/KID rules mean US ETF tickers (VTI, SPY) are blocked for retail. You need UCITS equivalents.
- Custody vs nominee structure affects both Modelo 720 clarity and your legal position in a broker failure.
- FX cost matters more than commission for EUR-base investors buying EUR-denominated ETFs.
Modelo 720: what every Spanish investor needs to know
This shapes your broker choice more than any fee comparison. Get this right before you open an account.
Modelo 720 is Spain’s annual overseas-asset declaration. If your total financial assets held outside Spain exceed €50,000 per category (securities, cash, real estate are separate categories), you must file by 31 March for the previous year. Every broker listed here holds assets outside Spain — so all four accounts count.
You only re-file after the initial declaration if values increase by more than €20,000 vs the last filed figure, or if you close/modify positions. After that first filing, the burden is lighter than most people expect.
- Broker entity name and country
- Account number
- ISIN of each position held
- Quantity and acquisition date
- Acquisition cost and year-end market value
- 19% on gains up to €6,000
- 21% on €6,000–€50,000
- 23% on €50,000–€200,000
- 27% above €200,000
- Accumulating ETFs defer tax until sale — typically more efficient than distributing.
Custody vs nominee: why it matters in Spain
How your broker holds your assets affects both your Modelo 720 reporting and your legal position if the broker fails.
Assets are registered in your name at the central securities depository. You own the shares directly.
- Clearest Modelo 720 reporting: you are the named owner
- Best segregation in broker insolvency
- Standard at IBKR by default
- Available on DEGIRO’s Custody account type
Assets held in the broker’s name on your behalf. You have a contractual claim, not direct ownership.
- Still requires Modelo 720 declaration — beneficial interest counts
- Protection depends on broker’s regulatory framework
- Standard at Trading 212 and XTB
- Acceptable for most ETF portfolios with regulated brokers
Interactive Brokers — best overall for Spanish investors
IBKR is the benchmark for European investors who want institutional-grade access without institutional fees. For Spain specifically, it ticks the most boxes.
- Available to Spanish residents via IBKR Ireland (EU-regulated, MiFID II)
- Direct custody — assets in your name, cleanest Modelo 720 trail
- FX at near-interbank rates (~0.002%) — major advantage vs all others here
- Access to Spanish (BME), XETRA, AEB, and 150+ global markets
- Broad UCITS ETF catalogue: iShares, Vanguard, Amundi, Xtrackers
- Detailed activity reports with ISIN, acquisition cost, and year-end value — exactly what a gestor needs
- Interest on uninvested EUR cash (verify current rate)
- Interface complexity — Trader Workstation has a learning curve
- IBKR Lite (zero commission) is US-only; EU accounts pay tiered/fixed commissions (~€1.25+ per trade)
- Activity fee if equity < $2,000 — worth knowing before funding
- Support can be slow for straightforward queries
- No Spanish-language dedicated team
DEGIRO — best low-cost ETF starter for Spain
DEGIRO is widely used in Spain and one of the cheapest options for plain ETF investing. AFM/DNB-regulated, now under the Flatex Bank umbrella — which added deposit guarantee coverage for cash.
- Available to Spanish residents with Spanish-language interface
- Commission-free ETF list covers many popular UCITS trackers
- Low flat fees on other orders (€1–€3 depending on exchange)
- Custody account option for direct asset registration
- Annual statement and tax report available for Modelo 720
- Well-established in Spain — strong local recognition
- 0.25% FX fee — adds up on non-EUR ETF listings over time
- Basic account uses pooled Stichting structure (not direct custody)
- Custody account excludes some free-ETF offers
- No interest on uninvested cash by default
- No CFD/forex — purely an investing broker (usually a positive)
Trading 212 — best for commission-free + cash interest
Zero commission, fractional shares, and meaningful EUR cash interest in a clean app. Growing fast in Spain. CySEC/FCA-regulated with a nominee structure.
- Zero commission on all stocks and ETFs — genuinely free execution
- Fractional shares: invest from €1 in any ETF or stock
- Interest on uninvested EUR cash (competitive rate — verify current terms)
- Pies (auto-invest feature) for hands-off recurring portfolio investing
- Clean mobile app ideal for monthly ETF investing routines
- Broad UCITS ETF catalogue including major index trackers
- Nominee structure — assets not in your name; check Modelo 720 reporting implications
- 0.15% FX fee on non-EUR denominated securities
- CySEC-regulated for EU users — not a Spanish or Dutch regulator
- Newer to full EU operations vs IBKR or DEGIRO
- Annual statement format may need extra work for gestors unfamiliar with T212
- CFD products available on same platform — discipline required
XTB — best CNMV-regulated option for Spain
A Polish-listed broker with a registered office in Spain and direct CNMV supervision — the strongest local regulatory standing of the four options here.
- CNMV-registered with a physical Spanish presence — strongest local regulatory standing
- Zero commission ETF investing up to €100k/month (0.2% above that)
- Spanish-language support and education resources
- xStation 5 — clean, intuitive platform for beginner to intermediate
- 3,000+ ETFs including major UCITS index trackers
- Interest on uninvested EUR cash (verify current rate)
- FOGAIN protection up to €100,000 for eligible accounts
- CFD products on the same platform — easy to drift from the ETF section
- FX spread applies on non-EUR ETFs — similar in effect to DEGIRO’s 0.25%
- Less exchange depth vs IBKR — fewer niche listings available
- Nominee account structure — check Modelo 720 implications
- Commission above €100k/month: 0.2% (irrelevant for most retail investors)
All four brokers compared
| Factor | IBKR | DEGIRO | T212 | XTB |
|---|---|---|---|---|
| Available in Spain | ✅ | ✅ | ✅ | ✅ |
| Regulator | CBI (IE) | AFM (NL) | CySEC | CNMV ✅ |
| Custody model | Direct ✅ | Mixed* | Nominee | Nominee |
| ETF commissions | ~€1.25+ | €0–€3 | €0 ✅ | €0 ✅ |
| FX cost | ~0.002% ✅ | 0.25% | 0.15% | Spread |
| Cash interest (EUR) | Yes | No | Yes | Yes |
| Modelo 720 reports | Detailed ✅ | Yes | Partial | Yes |
| UCITS ETF access | Broad ✅ | Good | Good | Good |
| Spanish offices | No | No | No | Yes ✅ |
*DEGIRO Custody = direct registration; Basic = pooled Stichting. Fees and rates subject to change — verify on each broker’s official site.
How to choose the right broker for your situation
Run through this filter in order — the first question that applies gives you your answer.
If yes, prioritise IBKR or DEGIRO Custody for the cleanest Modelo 720 reporting trail — direct custody means you’re the named owner and the declaration is straightforward.
If you’re investing large lump sums or will eventually accumulate a significant EUR-base portfolio buying non-EUR assets, IBKR’s ~0.002% FX rate saves real money vs the 0.15–0.25% charged by others. At small regular contributions, this gap is less meaningful.
XTB is the only broker here with direct CNMV supervision and a physical Spanish presence. All others passport into Spain under MiFID II via their home regulator (CBI, AFM, CySEC). Both routes are legally valid — this is a preference question.
Trading 212 or XTB for the cleanest beginner experience. Zero commissions, clean apps, fractional shares. IBKR has more depth but requires more setup time. DEGIRO sits in the middle.
Ready to open an account?
All four brokers are available to Spanish residents and support UCITS ETF investing. Pick based on your Modelo 720 situation, FX needs, and regulatory preference — then keep the portfolio simple.
Go deeper
Frequently asked questions
Do I have to file Modelo 720 if my broker account is below €50,000?
No — the filing obligation only triggers once assets in a given category (securities, cash, real estate) exceed €50,000 in total value. Below that threshold, there is no obligation. That said, track your values annually in case you cross the threshold — first filing is required in the year you exceed it.
Is IBKR available and regulated for Spanish residents?
Yes. IBKR operates in Spain via Interactive Brokers Ireland Limited, regulated by the Central Bank of Ireland under MiFID II, which provides EU-wide passporting rights including to Spain. Spanish CNMV oversight is indirect, but MiFID II provides equivalent investor protections.
Can Spanish investors buy US ETFs like VTI or SPY?
Generally no for retail accounts. PRIIPs/KID rules under EU law block access to most US-domiciled ETFs that don’t provide a compliant Key Information Document. The practical solution is UCITS ETFs tracking the same indexes — Vanguard, iShares, and Amundi all offer UCITS equivalents of the major US index funds with near-identical performance characteristics.
Does using a nominee broker change my Modelo 720 obligations?
No — the obligation is based on the economic reality of your assets, not the legal structure of how they are held. If you hold a beneficial interest in securities through a nominee account, those assets count toward the €50,000 threshold and must be declared. The declaration simply identifies the broker as the legal holder acting on your behalf.
Which broker produces the best statements for a Spanish gestor?
IBKR. It produces detailed activity reports including ISIN, acquisition cost, acquisition date, and year-end valuations — exactly what a gestor needs for Modelo 720 and capital gains declarations. DEGIRO and XTB also provide annual tax reports. Trading 212 provides transaction history, but the format may be less familiar to Spanish gestors; worth exporting and sharing in advance to confirm suitability.
Are accumulating UCITS ETFs more tax-efficient in Spain?
Yes, generally. Distributing ETFs generate taxable income (rendimientos del capital mobiliario) each time a distribution is paid, regardless of whether you reinvest it. Accumulating ETFs roll dividends back into the fund, deferring the tax event until you sell. For most long-term investors in the accumulation phase in Spain, accumulating ETFs are the more tax-efficient choice — confirm your specific situation with a tax adviser.
Is XTB a safe broker for Spanish investors?
XTB is a publicly listed Polish company (Warsaw Stock Exchange) with a direct CNMV registration in Spain. Client funds are segregated, and XTB Spain falls under FOGAIN protection for eligible accounts up to €100,000. Being CNMV-regulated is the strongest local-regulatory standing of the four brokers listed in this guide.
QuantRoutine provides educational content only. Nothing on this page is an offer, solicitation, or recommendation to buy or sell any security or to open an account with any specific broker. Investments can lose value, and past performance does not guarantee future results. Tax rules — including Modelo 720 thresholds, capital gains rates, and reporting obligations — can change and vary by individual circumstances. Always consult a qualified Spanish tax adviser (gestor or asesor fiscal) for guidance specific to your situation. Verify each broker’s current fees, eligibility criteria, and regulatory status on their official website before opening or funding an account.