Transfer Pricing Rules in Spain: A Guide for 2026

Transfer Pricing Rules in Spain

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Transfer pricing rules in Spain: key facts you need to know

  • Transfer pricing rules in Spain require that transactions between related parties are priced on arm’s-length terms, as if conducted between independent entities.
  • The rules are set out in Article 18 of the Corporate Income Tax Law (Ley 27/2014) and align with OECD Transfer Pricing Guidelines.
  • Documentation obligations apply to all Spanish entities with related-party transactions, with two-tier requirements for larger groups.
  • Penalties for non-compliance range from 15% to 20% of the adjustment amount, with additional fixed penalties for documentation failures.
  • Post-Brexit, UK groups with Spanish subsidiaries or branches no longer benefit from EU dispute resolution mechanisms under the EU Arbitration Convention.
  • Advance Pricing Agreements (APAs) are available in Spain and provide legal certainty for complex intra-group pricing.
  • Our Valencia tax team advises multinational groups on Spanish transfer pricing compliance, documentation, and AEAT enquiry defence.

What are the transfer pricing rules in Spain, and who do they affect?

For any multinational group with a Spanish subsidiary, branch, or related-party transactions involving Spain, transfer pricing rules in Spain represent one of the most significant areas of tax risk and compliance obligation.

Spain applies a comprehensive transfer pricing regime rooted in Article 18 of the Corporate Income Tax Law (Ley 27/2014, Ley del Impuesto sobre Sociedades) and aligned with the OECD Transfer Pricing Guidelines for Multinational Enterprises and Tax Administrations.

The AEAT has significantly increased its transfer pricing audit activity in recent years, with dedicated transfer pricing inspection units applying sophisticated benchmarking and documentation review to both large groups and mid-sized companies.

Understanding transfer pricing rules in Spain, the documentation requirements, and the penalty regime is essential for any group conducting intra-group transactions with a Spanish entity.

For a broader overview of all Spanish corporate tax obligations within which transfer pricing sits, our guide to Spanish corporate income tax sets out the full framework. 

The arm’s-length principle under transfer pricing rules in Spain

The foundation of transfer pricing rules in Spain is the arm’s-length principle.

Article 18 of Ley 27/2014 states that transactions between related parties must be valued at the price that would have been agreed between independent parties in comparable market conditions.

If the agreed price deviates from the arm’s-length price, the AEAT is entitled to adjust the taxable base of the Spanish entity to reflect the arm’s-length value, regardless of the agreed contractual price.

The arm’s-length principle applies to all forms of intra-group transaction, including:

  • Sales and purchases of goods between group companies.
  • Provision of services, including management, IT, legal, and administrative services.
  • Loans and financial transactions, including guarantee fees and intercompany financing.
  • Intellectual property licensing, including royalties for trademarks, patents, and software.
  • Cost-sharing arrangements and research and development contributions.
  • Business restructurings involving transfers of functions, risks, or assets.

The OECD estimates that approximately 60% of global trade takes place between related parties within multinational groups, underscoring the scale of transfer pricing as a tax compliance and revenue risk issue for tax authorities worldwide.

Who are related parties under Spanish law?

Article 18 of Ley 27/2014 defines related parties broadly to include:

RelationshipThreshold / Definition
Parent and subsidiaryDirect or indirect ownership or control of 25% or more
Sister companiesBoth controlled by a common parent at 25% or more
Directors and administratorsTransactions between the entity and its directors or their spouses and close relatives
Permanent establishmentTransactions between a foreign entity and its Spanish permanent establishment
PartnersTransactions between a partnership and its partners holding 25% or more

Transfer pricing methods accepted in Spain

Spanish law adopts the five primary OECD transfer pricing methods, with a preference for transaction-based methods where comparables are available:

  • Comparable Uncontrolled Price (CUP): compares the intra-group price with that of a comparable transaction between independent parties.
  • Resale Price Method: works back from the resale price to determine an arm’s-length gross margin for the distributor.
  • Cost Plus Method: applies an arm’s-length mark-up to the cost base of the manufacturer or service provider.
  • Transactional Net Margin Method (TNMM): the most widely used method in practice, comparing net margin indicators against benchmarked independent companies.
  • Profit Split Method: allocates combined profits of related parties based on relative contributions; used for highly integrated transactions and unique intangibles.

The AEAT expects the taxpayer to justify the choice of method in the transfer pricing documentation and to demonstrate that it is the most appropriate method for the specific transaction.

Documentation requirements under the transfer pricing rules in Spain

The documentation obligations imposed by transfer pricing rules in Spain follow the OECD’s three-tier structure, implemented via Royal Decree 634/2015 and the regulations to Ley 27/2014:

  • Country-by-Country Report (CbCR): required for groups with consolidated turnover of €750 million or more. Filed annually via Modelo 231.
  • Master File (Masterfile): required for entities that are part of a group with turnover of €45 million or more. Describes the group’s global business, organisational structure, and overall transfer pricing policies.
  • Local File (Archivo Local): required for individual Spanish entities with related-party transactions exceeding specific thresholds (generally €250,000 per transaction type per year). Describes the specific transactions, the method used, the benchmarking analysis, and the functional analysis of the Spanish entity.

Smaller entities with related-party transactions below the documentation thresholds are still subject to the arm’s-length principle and must be able to justify their pricing if challenged, even without formal documentation.

Spain’s AEAT dedicated transfer pricing unit (Oficina Nacional de Fiscalidad Internacional) examined over 1,200 related-party transactions in 2023 as part of its international tax control plan, resulting in adjustments totalling approximately €2.1 billion across all sectors.

Penalties for non-compliance with transfer pricing rules in Spain

The penalty regime for transfer pricing rules in Spain is among the most detailed in the EU:

InfringementPenalty
Undervaluation resulting in a tax adjustment15% of the adjustment amount (deductible expenses) or 20% (non-deductible income)
Failure to maintain required documentation€1,000 per data item not reported, up to €10,000 per set of data
Provision of false or inaccurate documentation2% of the value of the related-party transactions not correctly documented
CbCR failure (large groups)Fixed penalties under Ley 58/2003 General Tax Law

Penalties are reduced by 50% if the taxpayer has prepared documentation that substantially complies with the requirements, even if certain elements are incomplete.

For businesses seeking to reduce their overall risk of AEAT investigation across all Spanish taxes, our guide on how to avoid a tax inspection in Spain sets out the compliance behaviours that reduce audit risk most effectively.

Post-Brexit implications for UK groups

UK groups with Spanish subsidiaries or branches face a more complex landscape under transfer pricing rules in Spain since Brexit.

Before 31 December 2020, UK companies could access the EU Arbitration Convention (the Multilateral Convention on the Elimination of Double Taxation), which provided a binding dispute resolution mechanism for transfer pricing disputes between EU member states.

Post-Brexit, UK groups must rely on the Mutual Agreement Procedure (MAP) under the Spain–UK Double Tax Treaty to resolve transfer pricing disputes, a process that is slower and does not guarantee a binding outcome.

UK groups should also be aware that their Spanish entities may be subject to the Diverted Profits Tax or other anti-avoidance measures in the UK if profits are diverted away from the UK through intra-group pricing.

Our team advises on the intersection of transfer pricing rules in Spain with the broader Spain–UK double taxation framework and on how to structure intra-group transactions to minimise risk on both sides. 

Advance Pricing Agreements in Spain

A Spanish entity can apply for an Advance Pricing Agreement (APA) with the AEAT, which provides advance certainty on the arm’s-length price for a specific category of intra-group transactions for a period of up to four years.

APAs can be unilateral (agreed only with the AEAT), bilateral (agreed between Spain and one other tax authority), or multilateral (agreed between Spain and multiple tax authorities).

Bilateral and multilateral APAs provide the strongest protection against double taxation and are particularly valuable for groups with significant intra-group transactions involving Spain and another jurisdiction such as the UK or the US.

For businesses exploring the most tax-efficient corporate structure in Spain, our articles on holding company structures in Spain and the ETVE tax regime provide relevant context on how transfer pricing rules in Spain interact with group structuring decisions.

Common mistakes and how to avoid them

  • Applying cost-plus pricing to management service charges without a proper functional analysis or benchmarking study.
  • Using intercompany loan rates that do not reflect the borrower’s standalone creditworthiness.
  • Failing to update documentation annually when business conditions or the group structure change.
  • Treating business restructurings as tax-neutral without considering the transfer pricing implications of transferring functions, risks, or intangibles.
  • Overlooking royalty payments as a transfer pricing risk, particularly for groups that have centralised IP ownership.
  • Failing to file Modelo 231 (CbCR) on time, which attracts automatic fixed penalties.

Groups that are concerned about their current position under transfer pricing rules in Spain should consider commissioning an internal review before the AEAT initiates an enquiry, as voluntary correction reduces penalty exposure significantly.

For companies considering the most tax-efficient holding structure, our guide to cross-border mergers and acquisitions in Spain covers the transfer pricing considerations that arise on restructuring transactions.

Speak to our team about transfer pricing rules in Spain

Our Valencia tax team advises multinational groups on transfer pricing rules in Spain, intra-group transaction structuring, documentation preparation, and AEAT audit defence.

Contact our legal team for personalised guidance on your case.

Email: felix.delaguia@delaguialuzon.com
Phone: +34 963 74 16 57

FAQs

Do transfer pricing rules apply to small Spanish companies?

Yes.

The arm’s-length principle under transfer pricing rules in Spain applies to all related-party transactions regardless of the size of the Spanish entity.

Formal documentation obligations are tiered, so smaller entities below the thresholds do not need to prepare a full Local File, but they must still be able to justify their pricing if challenged by the AEAT.

What is the threshold for preparing transfer pricing documentation in Spain?

A Local File is required for Spanish entities with related-party transactions exceeding €250,000 per transaction type per counterparty per year.

A Master File is required for entities forming part of a group with annual consolidated turnover of €45 million or more.

How does the AEAT select transfer pricing cases for audit?

The AEAT uses risk-based selection criteria including the volume of related-party transactions declared in the annual corporate tax return, significant losses over multiple years, royalty payments to low-tax jurisdictions, and discrepancies between the Spanish entity’s profitability and sector benchmarks.

Can transfer pricing adjustments create double taxation?

Yes, and this is one of the principal risks of transfer pricing disputes.

If the AEAT increases the taxable income of the Spanish entity, the corresponding counterparty in another country may have paid tax on the same profit.

The MAP under the Spain–UK Double Tax Treaty is the mechanism for resolving this, though it does not guarantee elimination of double taxation.

Are intercompany loans subject to transfer pricing rules in Spain?

Yes.

Intercompany loans must carry an arm’s-length interest rate, determined by reference to the borrower’s credit rating, the loan terms, and comparable market rates.

Zero-interest or below-market loans between related parties are a common audit trigger.

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