Permanent Establishment in Spain

A foreign company can begin operating in Spain gradually: through a commercial agent, a support office, seconded personnel, contracts with Spanish clients, warehousing, recurring services, or a digital business with a local team. At first, this may seem like a limited presence. From a tax perspective, however, that presence must be reviewed before assuming that the company continues to operate in Spain without any tax obligations of its own.

A permanent establishment in Spain is a critical issue for non-resident entities. Not every activity carried out on Spanish territory constitutes a permanent establishment, but certain forms of economic presence can have significant tax implications. The key lies in analyzing how the company operates, what resources it uses, who makes decisions, what functions are performed, what contracts are entered into, and what income can be attributed to the Spanish activity.

This page is part of the international tax attorneys and focuses on foreign companies, nonresident corporations, and international groups with business operations or an economic presence in Spain.

Tax Advisory Services for Foreign Companies Operating in Spain

The concept of a permanent establishment requires looking beyond the legal form. A company may not have established a subsidiary in Spain and yet still have a tax-relevant presence if it operates through facilities, workplaces, agents, personnel, or ongoing economic activity.

The Tax Agency provides specific information on the IRNR applicable to nonresident taxpayers with a permanent establishment in Spain on its website.

The analysis must be based on actual operations: how the products or services are sold, who negotiates, who signs the contracts, where the services are performed, what resources are available in Spain, what roles each party assumes, and whether the documentation supports the reported tax position.

When Can a Permanent Establishment Exist in Spain?

Spanish tax law provides that a nonresident individual or legal entity may operate through a permanent establishment when it has, on a continuous or habitual basis, facilities or workplaces in Spain where it carries out all or part of its business, or when it acts through an agent authorized to enter into contracts in the name and on behalf of the nonresident who habitually exercises such powers. This definition can be found on the Spanish Tax Agency’s website.

Facilities, offices, warehouses, and physical resources

Offices, branch offices, factories, workshops, warehouses, stores, or other workplaces may be relevant if all or part of the nonresident entity’s business activity is carried out there. It is not enough to simply identify a physical space; one must also examine its actual use, duration, functions, and connection to the business activity.

When a company’s presence in Spain results from expansion, an acquisition, or market entry, the foreign investment in Spain may require a parallel review to organize the structure, risks, and obligations from the outset.

Staff, agents, and contracts in Spain

Risk can also arise even without a formal office. Displaced personnel, sales representatives, authorized agents, local teams, or individuals who are regularly involved in contracting activities can affect the tax status of the nonresident company.

The issue is not just who signs the contract, but who negotiates it, who has the actual authority to bind the company, what powers exist, and how the business is conducted in Spain. In many cases, the risk arises because day-to-day practice does not align with the contractual documentation.

Functions, Risks, and Income Attributable to Operations in Spain

If a permanent establishment exists, it is necessary to analyze what functions are performed in Spain, what risks are assumed, what assets are used, and what income can be attributed to that presence. The Tax Agency provides specific information on the taxation of permanent establishments on its website.

The analysis should not be limited to determining whether or not a permanent establishment exists. It must also assess the potential implications of that conclusion for the taxation of the nonresident entity.

Permanent Establishment, Tax Treaties, and Taxation of Nonresidents

Before discussing a permanent establishment, it may be necessary to determine whether the company maintains its international tax residence outside of Spain and how Spanish rules coordinate with the applicable tax treaty.

Double taxation treaties signed by Spain may contain a specific definition of a permanent establishment and allocate taxing rights among jurisdictions. The Spanish Tax Agency provides access to the treaties signed by Spain on its website.

That is why the double taxation treaties may be relevant, but only after reviewing the actual business activity, resources, parties involved, contracts, and documentation.

When business activity in Spain results in taxation in two jurisdictions, the analysis may relate to international double taxation. And if there are cross-border payments involved in the operation, international withholding taxes may also be considered as a secondary matter in the review.