How is the acquisition of a Spanish business taxed for foreign investors

Acquiring an existing business in Spain can be significantly faster and less risky than starting from scratch. You gain immediate access to customers, contracts, brand recognition, trained staff, and operational infrastructure. However, the tax treatment of the transaction — and the ongoing tax position of the acquired business — can materially affect the deal’s value and your future returns.

For foreign investors, the key decision is not only what you buy, but how you buy it: through a share deal or an asset deal. Each route carries very different tax consequences, risks, and opportunities — especially when the business includes real estate.

Share Deal vs Asset Deal: The Fundamental Tax Choice

Most acquisitions in Spain are structured as either:

Share deal: You (or your Spanish vehicle) acquire the shares of the Spanish company that owns the business.
Asset deal: You acquire specific assets (and usually the associated contracts and liabilities) directly, often structured as the transfer of a going concern (unidad económica autónoma).

Here is a practical comparison from the buyer’s perspective:

Aspect	Share Deal	Asset Deal
Indirect tax on transaction	Generally none (unless the company is a real estate holding company)	VAT often exempt if structured as going concern; otherwise 21% VAT + possible ITP/AJD
Tax basis step-up	No – assets keep historical tax basis	Yes – stepped-up basis allows higher future depreciation and amortisation
Inheritance of tax liabilities	Full – you inherit all tax risks and contingencies	Generally clean (no inheritance of seller’s tax liabilities)
Due diligence importance	Critical – hidden tax liabilities can be material	Important, but risk is lower
Financing & interest deductibility	Subject to 30% EBITDA limitation and thin-cap rules	Same limitations, but cleaner allocation possible
Best for	Speed and simplicity; when seller wants clean exit	Buyers who want a “clean” company and future tax relief

Tax Implications of a Share Deal for Foreign Investors

In a share deal you acquire the legal entity itself. This is usually simpler and faster from a contractual standpoint, but it comes with important tax considerations:

No direct tax on the purchase for the buyer in most cases. However, if the target company’s assets consist predominantly of Spanish real estate (generally more than 50% of total assets), the transfer of shares may be subject to Impuesto de Transmisiones Patrimoniales (ITP) at regional rates, which can range from 6% to 11% depending on the Autonomous Community.
You inherit the company’s entire tax history. This includes potential tax audits, unpaid liabilities, transfer pricing exposures, and VAT or payroll issues. A thorough tax due diligence is therefore essential.
Tax loss carryforwards may be restricted after the change of ownership, especially if the business activity changes significantly.
Financing the acquisition with debt is subject to Spain’s interest deduction limitation (30% of EBITDA) and specific thin-capitalisation rules for related-party debt.
Foreign investment screening may apply (see below).

Special Considerations When the Business Includes Real Estate

Real estate businesses (hotels, rental portfolios, industrial parks, student housing, etc.) introduce additional complexity in share deals:

The transaction can trigger ITP if the company qualifies as a “real estate company” under regional legislation. This is one of the most common and expensive tax surprises in Spanish M&A involving property.
Regional differences are significant. For example, Madrid generally applies 6%, while other communities may apply higher rates or have specific anti-avoidance rules.
The buyer must carefully analyse the composition of the company’s assets (real estate vs. other assets) before signing. Professional valuation and tax advice are indispensable.
Many foreign investors still prefer share deals for speed and simplicity, but they must factor in this potential ITP cost and negotiate price adjustments or seller indemnities accordingly.

Real Estate Due Diligence – Key Areas to Review

When the target business owns or operates real estate, standard financial and tax due diligence is not enough. You need a specific real estate due diligence that typically covers:

Title and encumbrances: Full review at the Registro de la Propiedad to identify ownership, mortgages, liens, attachments, easements, and any other charges (cargas).
Urban planning and licensing: Verification of building licences, activity licences, urban planning compliance (planeamiento urbanístico), possible sanctioning proceedings, and risk of demolition or regularisation orders.
Environmental and technical risks: Soil contamination studies, presence of asbestos or hazardous materials, energy performance certificates, and the physical condition of installations (lifts, HVAC, electrical, plumbing).
Lease and tenant analysis: Review of all lease agreements, rent review clauses, security deposits, tenant solvency, arrears, sub-letting, and break options. This is critical for income-producing properties.
Tax and community obligations: Confirmation that IBI (property tax), plusvalía municipal, and community of owners’ fees (cuotas de comunidad) are fully paid, plus any outstanding debts with the comunidad de propietarios.
Insurance and claims history: Existing policies, coverage gaps, and pending claims.

Weak real estate due diligence is one of the most frequent causes of post-acquisition disputes and unexpected costs. In share deals, these risks transfer directly to the buyer, so strong representations, warranties, indemnities, and (where appropriate) escrow or warranty & indemnity insurance are essential.

Simple Numerical Example – Impact of ITP in a Real Estate Share Deal

Imagine you are acquiring 100% of a Spanish company that owns and operates a hotel in Madrid. The agreed purchase price for the shares is €5,000,000.

The company’s assets consist of 85% real estate (the hotel and land) and 15% other assets.
Because real estate represents more than 50% of the company’s assets, the transaction qualifies as a transfer of a real estate company.
In Madrid, the applicable ITP rate is 6%.
Additional tax cost for the buyer: €5,000,000 × 6% = €300,000.

This €300,000 is an extra cost that the buyer must pay to the regional tax authority (not to the seller). It significantly increases the total investment required. In practice, many buyers use this information during negotiations to request a price reduction or a seller contribution toward the tax. Without proper due diligence on the asset composition before signing the SPA, this cost can come as an unpleasant surprise after the deal is already agreed.

Tax Implications of an Asset Deal for Foreign Investors

Asset deals are often preferred when the buyer wants a clean break from the seller’s tax history or needs a stepped-up basis in specific assets.

Key advantages for the buyer include:

Stepped-up tax basis: You can allocate the purchase price to individual assets and amortise or depreciate them going forward, generating future Corporate Income Tax savings. This is particularly valuable with real estate, as the building portion (but not the land) can be depreciated.
Generally no inheritance of tax liabilities (except in specific cases of business succession).
VAT treatment: If the transaction qualifies as the transfer of a going concern (transmisión de negocio en funcionamiento), it is usually exempt from VAT, provided you continue the same economic activity.

In asset deals involving real estate, the direct transfer of property is normally subject to ITP (second-hand) or VAT + AJD (new builds or certain cases). Regional differences and additional notary, registry, and municipal taxes must be carefully modelled.

Financing the Acquisition – Key Tax Implications

How you finance the purchase has a direct impact on the overall tax efficiency of the deal. Poor financing structuring can significantly reduce the value of interest deductions and create future tax risks.

Main tax considerations include:

Interest deductibility limitations: Spain applies a general limitation of 30% of EBITDA (with carry-forward possibilities in some cases). This rule applies to both third-party bank debt and shareholder loans.
Thin capitalisation and related-party debt: Financing provided by shareholders or related parties is subject to stricter scrutiny. Interest may be recharacterised as dividends if the debt-to-equity ratio is considered excessive.
Debt push-down strategies: In share deals, it is sometimes possible to push acquisition debt down into the target company so that the interest is deductible against the operating profits of the acquired business. However, anti-abuse rules, the interest barrier, and change-of-ownership limitations must be carefully navigated.
Foreign financing and withholding tax: If the acquisition is financed by a foreign lender (including the parent company), interest payments are generally subject to 19% Non-Resident Income Tax, reducible under double tax treaties (often to 0–10%). Proper treaty documentation and beneficial ownership analysis are required.
Security over real estate: Taking a mortgage over the acquired properties is common and can be tax-efficient, but it generates additional notarial and registry costs (AJD) and must be coordinated with the overall financing structure.
Seller financing and earn-outs: Deferred payments or contingent consideration (earn-outs) have specific tax treatment for both buyer and seller and should be modelled in advance.

Recommendation:

The financing structure should be designed at the same time as the acquisition structure. In many cases, using a Spanish acquisition vehicle (new or ready-made SL) combined with an appropriate mix of bank debt and equity provides the best balance between deductibility, compliance, and flexibility.

Foreign Investment Controls and Regulatory Requirements

In addition to tax, foreign investors must consider Spain’s foreign direct investment (FDI) regime. The EU Regulation on foreign investment controls (implemented in Spain) requires prior authorisation or ex-post declarations for investments in strategic sectors such as critical infrastructure, energy, transport, defence, technology, media, and healthcare.

Even investments by EU investors can trigger scrutiny in certain cases. The rules apply to both share deals and asset deals.

Choosing the Right Acquisition Vehicle

Foreign investors rarely acquire a Spanish business directly in their personal name or through a foreign company without local presence. The most common and tax-efficient structures are:

A newly incorporated or ready-made Spanish SL that then acquires the target (share deal or asset deal).
A branch of the foreign parent company (less common for full business acquisitions due to unlimited liability and different tax treatment).

Related reading:

Post-Acquisition Tax Considerations

Once the transaction closes, the acquired business (or the assets) will be subject to Spanish taxation. The main ongoing tax is Corporate Income Tax (Impuesto sobre Sociedades) at the general rate of 25%, with possible reduced rates for new companies or SMEs in certain cases.

Proper structuring at the acquisition stage can optimise future tax efficiency (interest deductibility, amortisation of stepped-up assets, use of tax attributes, etc.).

Related reading: Corporate Income Tax in Spain

How LegalTax Can Help

Buying a business in Spain involves complex tax, corporate, and regulatory issues that require coordinated advice. At LegalTax we support foreign investors throughout the entire process:

Tax-efficient deal structuring (share deal vs asset deal), with special focus on real estate businesses
Coordination of financial, legal and real estate-specific due diligence (title, urban planning, environmental, leases, technical condition)
Structuring and optimisation of acquisition financing, including interest deductibility analysis and debt push-down feasibility
Drafting and negotiation of the Share Purchase Agreement (SPA) with strong tax indemnities and covenants
Foreign Direct Investment (FDI) filings and authorisations
Post-acquisition integration and tax planning

Whether you are acquiring a small trading business or a real estate portfolio, we help you structure the transaction to protect value and minimise tax risk.

Contact us to discuss your specific acquisition plans. Our team of English-speaking lawyers and tax advisors has extensive experience advising international investors on M&A transactions in Spain.

Frequently Asked Questions (FAQ)

Is it better to buy shares or assets when the business includes real estate?

It depends on your priorities. Share deals are usually faster and simpler but can trigger regional Transfer Tax (ITP) if the company is considered a real estate company. Asset deals often provide a cleaner title and a stepped-up tax basis (useful for future depreciation), but they usually involve higher immediate transaction taxes and more complex documentation.

What is the main tax risk when buying a Spanish company that owns real estate?

The biggest risk in share deals is the potential application of Impuesto de Transmisiones Patrimoniales (ITP) at regional rates (6–11%). Many buyers overlook this until late in the process. A proper tax due diligence that analyses the company’s asset composition is essential to avoid unexpected costs.

Is VAT charged when buying a business that includes property?

Often not. If the transaction qualifies as the transfer of a going concern (transmisión de negocio en funcionamiento), it is usually exempt from VAT. However, if it does not qualify, 21% VAT may apply to certain assets, plus possible Stamp Duty (AJD). Each deal must be analysed individually.

How important is real estate due diligence in acquisitions?

Extremely important. In addition to standard tax risks, you must review title and encumbrances at the Property Registry, urban planning compliance, environmental liabilities, lease agreements, unpaid IBI and community fees, and the physical condition of the properties. Weak due diligence in these areas is one of the most common sources of post-acquisition problems.

Can I finance the acquisition with debt from my foreign parent company?

Yes, but you must carefully analyse interest deductibility (30% EBITDA limit), thin capitalisation rules, and withholding tax on interest payments (normally 19%, reducible by tax treaty). Proper structuring and documentation are essential to avoid recharacterisation or future challenges by the tax authorities.

Does the new EU foreign investment regulation affect real estate deals?

It can. While most standard real estate investments are not affected, acquisitions involving strategic sectors (critical infrastructure, ports, airports, energy facilities, data centres, etc.) may require prior authorisation or notification under Spain’s foreign direct investment rules. We always review this at the outset of any transaction.