Transfer pricing documentation requirements in Spain

Most international companies operating in Spain know they need to price intercompany transactions at arm’s length. Far fewer know exactly what documentation the Spanish tax authority expects to prove it — and the penalties for getting this wrong are severe. If your group has related-party transactions with a Spanish entity, this guide explains what you need, when you need it, and what happens if you don’t have it.

Transfer pricing documentation in Spain is governed by Article 18 of Spain’s Corporate Income Tax Law (Ley del Impuesto sobre Sociedades) and its implementing regulation (Royal Decree 634/2015). Spain has fully adopted the OECD’s BEPS Action 13 three-tier documentation framework: master file, local file, and country-by-country report.

Who is required to prepare transfer pricing documentation in Spain?

Not every company with related-party transactions needs the same level of documentation. Spanish rules apply tiered obligations based on the size of the business and the volume of intercompany transactions:

Full documentation (master file + local file)

Required for entities that are part of a multinational group and do not qualify as small or medium-sized enterprises (SMEs) under Spanish law — i.e., groups with a consolidated net turnover above €10 million. These entities must prepare and maintain both a master file and a local file.

Simplified documentation

Companies that qualify as SMEs (consolidated net turnover below €10 million) are still required to document their related-party transactions but can use a simplified format. The documentation requirements are less extensive than for large groups.

Exemptions from documentation

Certain related-party transactions are exempt from documentation requirements in Spain, including:

• Transactions between entities that file a Spanish consolidated tax return (grupo fiscal)
• Transactions where the aggregate value with the same related party does not exceed €250,000 during the tax year
• Transactions carried out with certain related individuals in their personal income tax returns, subject to value thresholds

What the master file must contain

The master file (Masterfile or Archivo Maestro) provides an overview of the entire multinational group. In Spain it must include:

• Organisational structure of the group and legal ownership chart
• Description of the group’s business activities and value chain
• Intangible assets held by the group: policies, R&D activity, key agreements
• Intercompany financing arrangements
• Financial and tax positions of the group, including existing APAs and rulings

The master file must be prepared in Spanish or English. If prepared in another language, a Spanish translation must be provided upon request by the tax authority.

What the local file must contain

The local file (Archivo Local) focuses on the Spanish entity and its specific intercompany transactions. It must include:

• Description of the management structure of the local entity and its business activity
• Detail of each category of controlled transaction: description, amounts, counterparties
• Comparability analysis and transfer pricing method applied for each transaction type
• Financial information of the Spanish entity
• Copies of material intercompany agreements

Each transaction category — services, goods, financing, IP, etc. — must be documented separately with its own functional and economic analysis.

Country-by-country reporting (CbCR)

Spanish entities that are the ultimate parent of a multinational group with consolidated annual revenues of €750 million or more must file a country-by-country report (Modelo 231) with the AEAT. The CbCR must be filed within 12 months of the end of the fiscal year.

Spanish subsidiaries of foreign parent groups must notify the AEAT of which entity in the group will file the CbCR (Modelo 231) — even if the Spanish entity itself is not the filing entity.

Transfer pricing methods accepted in Spain

Spain’s regulations accept the methods recommended by the OECD Transfer Pricing Guidelines. The preferred methods are:

• Comparable Uncontrolled Price (CUP)
• Resale Price Method (RPM)
• Cost Plus Method
• Transactional Net Margin Method (TNMM)
• Profit Split Method

The most appropriate method must be selected based on the specific facts and circumstances of the transaction. TNMM is the most commonly used method in Spain for services and distribution transactions.

When must the documentation be ready?

Transfer pricing documentation in Spain does not need to be filed with the annual tax return — but it must exist by the time the corporate income tax return is filed (generally September 25th for companies with a December 31 fiscal year end). If the AEAT requests it during an inspection, companies typically have 10 days to provide it. Documentation prepared after the inspection begins offers significantly less protection.

Penalties for non-compliance

Spain’s transfer pricing penalties are among the most detailed in Europe:

• Failure to have documentation: penalty of 1% of the net amount of each undocumented related-party transaction, with a minimum of €1,500 and a maximum of €100,000 per data item
• Documentation errors or omissions: the same scale applies
• If the tax authority makes a transfer pricing adjustment in the absence of documentation: a specific penalty of 15% of the adjustment amount applies — in addition to the general late payment surcharges and interest

Having complete, contemporaneous documentation is the primary defence in any Spanish transfer pricing audit.

Frequently asked questions

Does Spain require transfer pricing documentation for transactions with non-related parties?

No. Documentation requirements apply exclusively to transactions between related parties as defined by Article 18 of the Corporate Income Tax Law. This includes parent-subsidiary relationships, sister companies, transactions with directors or significant shareholders, and transactions with residents of tax havens.

Can a Spanish subsidiary use the master file prepared by its foreign parent?

Yes. If the group prepares a master file at group level, the Spanish entity can use it — provided it meets all the content requirements under Spanish regulations. In practice, local adjustments are often needed to ensure full compliance with the specific Spanish rules.

What is an Advance Pricing Agreement (APA) and should we consider one?

An APA is an agreement with the AEAT in advance on the transfer pricing methodology for specific intercompany transactions. It provides certainty and eliminates adjustment risk for the agreed period. Spain offers bilateral APAs negotiated with foreign tax authorities under double taxation treaties — highly recommended for high-value or complex recurring transactions.

Transfer pricing documentation is not a formality — it is your first line of defence in a Spanish tax audit. At Capital Auditors & Consultants, we prepare master files, local files, and benchmarking studies that meet AEAT requirements and withstand scrutiny. Contact our team before your next fiscal year closes.