Achieve transfer pricing compliance and optimize your tax position

Obligations in Spain

Spanish transfer pricing rules are set out in Article 18 of the Corporate Tax Act and its implementing regulations. Documentation requirements follow the OECD three-tier standard: master file (group documentation), local file (entity documentation), and Country-by-Country Report (CbCR) for large groups.

Non-compliance is not just a theoretical risk. The Spanish tax authority has intensified transfer pricing examinations in recent years, with specialized teams that analyze intercompany policies using sophisticated tools. Having documentation prepared and up to date is the best defense.

Valuation methodologies

Choosing the right valuation method is one of the most critical decisions in transfer pricing. No single method is universally superior: suitability depends on the transaction type, the availability of reliable comparables, and the functions, assets, and risks of each entity.

For goods transactions, the comparable uncontrolled price (CUP) method is preferred when internal or external comparables exist. For intra-group services, cost plus is usually the most practical. For complex transactions involving unique intangibles, profit split may be the only viable option. Our team selects and justifies the optimal method for each transaction.

How to avoid tax adjustments

The key to avoiding transfer pricing adjustments is prevention: robust documentation, coherent policies, and periodic review. We recommend that our clients update their documentation annually, review pricing policies when business circumstances change, and consider applying for an APA for high-volume or complex transactions.

When an audit is already underway, documentation quality makes all the difference. A well-founded report with rigorous comparability analysis and solid economic rationale is the most effective tool for defending the group’s position and avoiding adjustments that can lead to double taxation and prolonged litigation.

Spain’s transfer pricing documentation requirements in detail

Spanish transfer pricing rules under Article 18 LIS and Royal Decree 634/2015 follow the OECD three-tier documentation standard but with specific Spanish features and deadlines that differ from other EU jurisdictions.

Master file (documentación del grupo). Required for entities belonging to groups with consolidated net turnover above €45 million. The master file must describe the group’s business activities, the global value chain, the intangibles used and held, the financial activities, and the financial statements of the group. It must be available on the date the Spanish tax return is filed — it is not submitted with the return but must be produced within 10 days of an AEAT information request.

Local file (documentación específica de cada entidad). Required for all entities with intercompany transactions regardless of group size, unless an SME exemption applies. The local file documents each material category of intercompany transaction: the parties, the nature of the transaction, the functional analysis (functions, assets, and risks of each party), the economic analysis (pricing method and benchmarking study), and the outcome compared to the arm’s length range.

Country-by-Country Report (Modelo 231). Mandatory for ultimate parent entities of groups with consolidated revenue above €750 million. Must be filed within 12 months of the financial year-end. The CbCR discloses revenue, pre-tax profit, tax paid, number of employees, and stated capital by jurisdiction — providing AEAT with a map of the group’s profit allocation and effective tax rates by country.

Modelo 232: the annual related-party transaction disclosure

Modelo 232 is a separate informational declaration (not part of the corporate tax return) that must be filed annually in November for the prior year. It covers:

• Related-party transactions exceeding €250,000 with the same counterparty during the year
• Specific transactions with entities in non-cooperative jurisdictions (previously tax havens) regardless of amount
• Transactions with entities holding an opaque legal structure

The form identifies the type of transaction, the counterparty, and the total amount. Failure to file Modelo 232 carries a penalty of €20 per omitted data item with a minimum of €300 and maximum of €20,000. Filing with inaccurate data carries a penalty of €200 per incorrect data item.

Transfer pricing methods: selecting and applying the right approach

The OECD Guidelines recognise five transfer pricing methods, and Spain’s regulations follow these closely. The choice of method requires a functional analysis that identifies which party in the transaction is the “tested party” — generally the less complex entity with the more limited risk profile.

Comparable Uncontrolled Price (CUP). The gold standard where reliable external comparables exist — particularly for commodity transactions, standardised financial instruments, and publicly traded intangibles. Internal CUPs (transactions between independent parties at the same price) are particularly strong evidence.

Cost Plus (CP). Applied to routine manufacturing or service provision where the tested party performs a limited range of functions and the supplier’s cost base is reliable. The markup is benchmarked against independent companies performing comparable functions.

Resale Price Method (RPM). Used for distribution entities that purchase from a related party and resell to independent customers. The gross margin earned by the distributor is compared against margins earned by independent distributors with comparable functions.

Transactional Net Margin Method (TNMM). The most widely applied method in practice, because it is less sensitive to accounting differences than the traditional methods. The tested party’s operating margin (EBIT or operating return on assets) is compared to independent companies with similar profiles drawn from commercial databases (Bureau van Dijk Orbis, Amadeus).

Profit Split. Reserved for integrated transactions where both parties make unique, valuable contributions and neither party is the clearly simpler tested party. Used frequently for jointly developed intangibles and for financial transactions where risk is shared.

Advance Pricing Agreements: eliminating prospective risk

An Advance Pricing Agreement (APA) under Article 91 of Royal Decree 634/2015 provides a binding agreement with AEAT on the transfer pricing methodology applicable to a defined set of intercompany transactions for a period of up to four years (renewable).

APAs offer two key benefits: certainty (the agreed methodology cannot be challenged by AEAT during the covered period) and bilateral optionality (an APA can be negotiated bilaterally through the Mutual Agreement Procedure with the treaty partner country, eliminating double taxation risk on the covered transactions).

The APA application process requires submission of a comprehensive transfer pricing study, detailed functional analysis, proposed methodology and tested arm’s length range, and confirmation of the facts supporting the agreement. AEAT typically takes 12-18 months from application to finalisation. The APA covers the year of application and the following three to four years — making the investment in the process most valuable for high-volume or strategically important intercompany arrangements.

Mutual Agreement Procedure: resolving double taxation

When a transfer pricing adjustment by AEAT creates double taxation — because the related company in the other country has already been taxed on the same income — the Mutual Agreement Procedure (MAP) provides a bilateral resolution mechanism.

Under Article 25 of the OECD Model Treaty, the competent authority of the country that initiated the adjustment must work with the competent authority of the other country to reach agreement on eliminating the double taxation within two years. If MAP fails, mandatory binding arbitration is available under the EU Arbitration Convention (for EU member state disputes) or under treaty-specific arbitration clauses.

BMC manages MAP applications on behalf of clients, coordinating with both the Spanish competent authority (Dirección General de Tributos) and the relevant foreign competent authority, and advising on the strategic interplay between MAP and domestic appeal proceedings.

Transfer pricing for SMEs with related-party transactions

Spanish transfer pricing rules do not exempt SMEs from the arm’s length obligation — they only reduce the documentation burden for groups below the €45 million threshold. An SME whose sole shareholder also owns the commercial premises that the company rents, or a family business that charges management fees to a related service company, must price these transactions at market rates and document the pricing methodology.

The most common related-party transactions in Spanish SMEs that attract AEAT scrutiny are: loans from the company to its sole shareholder (taxable as dividend if not at market interest rates); rental of commercial premises owned by the shareholder to the company (deductible at market rent, not above); management fees charged between related companies without documented services; and remuneration paid to shareholder-directors that does not reflect the economic substance of their contribution.

For SMEs, the simplified documentation approach is a one-page analysis for each transaction type demonstrating that the price applied is consistent with what independent parties would agree. This is not a full comparability study, but it must be sufficient to demonstrate active compliance with the arm’s length standard. BMC prepares simplified transfer pricing documentation for SME clients as part of the annual corporate tax return preparation, ensuring that no related-party transaction is exposed without at least minimal documentation support.

Services, intangibles, and financial transactions: the three high-risk categories

AEAT’s transfer pricing inspection units focus disproportionately on three categories of intercompany transaction that are inherently difficult to benchmark and particularly susceptible to profit-shifting:

Intra-group services. Management fees, IT services, HR shared services, legal support, and marketing coordination charged from a parent or group service company to operating subsidiaries must satisfy the “benefit test” — the service must provide a real benefit to the recipient, and the charge must reflect an arm’s-length price for that specific benefit. AEAT routinely challenges management fees that are calculated as a percentage of the subsidiary’s revenue without a detailed activity analysis justifying the percentage and demonstrating that the services were actually rendered.

Intangible assets. Royalties for the use of group trademarks, patents, software, and know-how are the highest-scrutiny category in OECD post-BEPS guidance and in AEAT inspection practice. Following the BEPS Action 8-10 guidance, the economic ownership of intangibles — and therefore the right to receive returns — is linked to the entity that performs, funds, and controls the development activities. A group that centralises intangible legal ownership in a low-tax jurisdiction without corresponding substance and DEMPE (Development, Enhancement, Maintenance, Protection, and Exploitation) functions will face adjustment.

Financial transactions. Intercompany loans, cash pooling arrangements, financial guarantees, and back-to-back financing structures must all be priced on arm’s-length terms. AEAT applies the OECD’s 2020 guidance on financial transactions, which requires a comparability analysis based on the borrower’s credit rating, the currency of the loan, the term, the security, and prevailing market conditions. Below-market interest rates on shareholder loans, or fees that do not reflect the economic value of a guarantee, are typical adjustment targets.