What Foreign Companies Should Prepare Before Incorporation in Barcelona

Setting Up a Subsidiary in Barcelona: What Foreign Companies Should Prepare Before Incorporation in 2026

Barcelona remains an attractive destination for international companies looking to expand into Spain and establish a business presence in the European market.

For an established foreign company with an existing operational structure, expanding into Barcelona is usually driven by specific business objectives: serving new customers, hiring local teams, managing commercial operations, or establishing a base for international growth.

However, there is an important stage between deciding to establish a presence in Spain and becoming fully operational.

Incorporating a company can be relatively straightforward when all the documentation is properly prepared. The greater challenge often lies in coordinating the legal, tax, administrative, and operational requirements involved in establishing a foreign-owned business.

In 2026, these are some of the key considerations companies should address before starting the process.

1. Subsidiary or Branch: A Decision That Affects Corporate Liability

One of the first decisions is determining how the foreign company will establish its presence in Spain.

Although the terms subsidiary and branch are sometimes used interchangeably in business conversations, they represent different legal structures.

A subsidiary is a company incorporated under Spanish law, with its own legal personality, wholly or partially owned by a foreign company.

A branch, by contrast, is a secondary establishment of the foreign company. It does not have a separate legal personality and operates as part of the parent entity.

This distinction matters.

While a subsidiary incorporated as a Spanish limited liability company generally has its own assets and liability framework, a branch operates legally as an extension of the parent company.

These differences affect corporate liability, documentation, representation, and certain accounting and tax obligations.

There is no universally preferable option.

A company planning to establish permanent commercial operations, hire employees, and maintain a local team may have different requirements from a company intending to execute a specific project in Spain.

The choice should be based on the actual characteristics of the planned business activity, rather than solely on the speed of incorporation.

2. Parent Company Documentation Can Become the First Obstacle

When a Spanish company is incorporated by a foreign corporate shareholder, the existence and legal capacity of the parent company must be properly established, together with the authority of those acting on its behalf.

Depending on the country of origin and the characteristics of the transaction, documentation may include:

• Corporate registry certificates.
• Articles of association.
• Corporate resolutions.
• Powers of attorney.
• Documents confirming the authority of company representatives.

Certain foreign documents may also require legalisation or an apostille and, where applicable, an official translation.

An important consideration is that documents issued in another country cannot always be used directly before a Spanish notary or commercial registry.

For example, a company may have properly authorised its chief financial officer to incorporate a Spanish subsidiary. However, if the power of attorney does not meet the formal requirements for recognition in Spain, the incorporation process may be delayed until the issue is resolved.

For this reason, the validity of all required documentation should be verified before scheduling the notarial signing.

In international expansion projects, preparing these documents in advance can prevent unnecessary delays and travel.

3. Tax Identification: A Foreign Registration Number Is Not Enough

Another essential step is obtaining the appropriate tax identification for the entities and individuals involved.

The Spanish Tax Agency establishes specific procedures for obtaining a Tax Identification Number (NIF) for legal entities, generally through Form 036.

In an international incorporation process, it may be necessary to obtain Spanish tax identification for both the foreign corporate shareholder and the newly established Spanish company.

The identification requirements applicable to company representatives must also be assessed.

It is important to distinguish between a company’s NIF and the NIE, the identification number assigned to foreign individuals in Spain.

These identifiers are not interchangeable and serve different purposes.

Whether a particular identification number is required depends on the circumstances of the transaction and the individuals involved.

Although this may initially appear to be a purely administrative matter, proper tax identification is essential for completing the incorporation process and meeting subsequent tax obligations.

4. Ultimate Beneficial Ownership Must Be Properly Identified

Another important consideration is identifying the individuals who ultimately own or control the company.

Spanish anti-money laundering regulations require the identification of ultimate beneficial owners in the relevant transactions.

When the parent company belongs to an international corporate group, it may be necessary to examine several layers of ownership to identify the individuals exercising ultimate control.

Providing only the name of the foreign company that will become the shareholder of the Spanish subsidiary may therefore be insufficient.

Consider an international company planning to establish a subsidiary in Barcelona whose parent entity is itself owned by two companies incorporated in different jurisdictions.

In this situation, the ownership and control structure must be examined to identify the ultimate beneficial owners in accordance with the applicable regulations.

Preparing this information in advance can facilitate notarial and banking compliance checks.

5. Incorporating a Company Does Not Mean It Is Ready to Operate

Once the company has been incorporated and registered, additional procedures and obligations may still need to be completed before business operations can begin.

Depending on the activity, these may include:

• Completing the relevant tax registration procedures.
• Organising accounting and tax compliance obligations.
• Completing employment-related registrations.
• Obtaining applicable administrative authorisations.
• Securing sector-specific licences or permits.

Companies should also determine whether their planned activities require municipal licences, prior notifications, or other permits in Barcelona.

A professional services company will not necessarily face the same requirements as a distribution business, an industrial operation, or a company operating in a regulated sector.

Likewise, registration with the Spanish Commercial Registry does not automatically authorise a company to conduct any activity from any premises.

It is therefore important to distinguish between two separate stages: the legal incorporation of the company and its operational readiness.

6. Does a Foreign Investment Need to Be Declared in Spain?

This is an issue that deserves particular attention.

Spain has a foreign investment reporting framework governed, among other provisions, by Royal Decree 571/2023 and Order ECM/57/2024.

For transactions subject to the relevant reporting requirements, filing Form D-1A with the Foreign Investment Registry may be mandatory.

As a general rule, the reporting deadline for transactions covered by this procedure is one month from the date of the investment.

Where a Spanish notary is involved, the regulations provide a specific procedure for submitting the declaration.

Furthermore, certain foreign investments may be subject to screening mechanisms or prior authorisation, depending on factors such as the business sector, the investor’s country of origin, or the structure of the transaction.

Not all foreign investments are therefore subject to identical requirements.

For an international company, identifying these obligations early helps establish an appropriate timetable and avoid administrative non-compliance.

7. Five Questions to Answer Before Setting an Opening Date

Before establishing a definitive timetable for launching operations in Barcelona, a foreign company should have clear answers to several questions.

1. What activities will the Spanish company actually carry out?

Defining the scope of operations helps identify the relevant tax, employment, administrative, and sector-specific requirements.

2. Who will be the shareholder, and who will have authority to represent the company?

It is essential to determine which entity will own the Spanish company, who will act as its director or administrator, and which individuals will be authorised to complete the necessary procedures.

3. Is the foreign corporate documentation ready?

Corporate certificates, resolutions, and powers of attorney should be reviewed before beginning the notarial formalities.

4. What obligations must be fulfilled after incorporation?

Tax identification, foreign investment declarations, potential licences, and employment-related procedures should all be incorporated into the project timetable.

5. Which departments of the parent company will participate in the project?

An international expansion project may require coordination between legal, finance, tax, human resources, and senior management teams.

Addressing these questions in advance helps establish realistic expectations regarding the incorporation and launch process.

8. Real Efficiency Begins Before Visiting the Notary

For a foreign company, establishing a presence in Barcelona should not be viewed simply as a sequence of administrative procedures.

It is a business operation that requires adapting certain decisions and processes to a new legal and regulatory environment.

The company’s experience in its home market is valuable, but it does not replace the need to understand the specific requirements of Spanish legislation.

Correctly identifying the entities and representatives involved, preparing corporate documentation, verifying foreign investment obligations, and coordinating post-incorporation requirements can help companies proceed with greater legal certainty.

Ultimately, the objective should not simply be to incorporate a company as quickly as possible, but to ensure that it can begin operating on a sound legal and administrative foundation.

9. AGL Asesoría García López: Supporting International Companies Establishing Operations in Barcelona

At AGL Asesoría García López, we support Spanish and international companies throughout their business establishment and development processes in Barcelona.

Our approach brings together the legal, tax, accounting, and employment-related advice required to facilitate an organised business launch tailored to each company’s specific circumstances.

Whether your organisation is considering establishing a Spanish subsidiary, opening a branch, or expanding its existing operations, understanding the regulatory requirements from the outset is essential.

Planning your company’s expansion into Barcelona?

Contact AGL Asesoría García López to discuss your project and the legal, tax, and administrative considerations involved in establishing your business in Spain.