SL, SA or Branch: Choosing a Legal Form in Spain

The best Spanish structure is not chosen from tax rate alone. The decision should reflect liability, investment plans, governance, regulated activity, group reporting and how the business will contract with staff, customers and suppliers.

At-a-glance comparison

IssueSLSABranch Legal personSeparate Spanish companySeparate Spanish companyNo separate personality from the foreign head office Minimum statutory capital€1, with special safeguards below €3,000€60,000No share capital, but operating funding is still needed OwnersQuota holdersShareholdersForeign head office Typical governanceFlexible private-company modelMore formal share-capital modelHead-office resolution and branch representative Liability perimeterGenerally sits with the subsidiaryGenerally sits with the subsidiaryHead office remains directly exposed

When an SL often fits

An SL is commonly used for privately held operating businesses and subsidiaries. It offers a separate legal entity and flexible governance. Although the statutory minimum is €1, companies below €3,000 face an enhanced reserve requirement and potential shareholder exposure on liquidation for the shortfall to €3,000. Capital should be selected from the actual funding need, not the lowest legal figure.

When an SA may be relevant

An SA may suit projects requiring a share structure associated with larger capital, certain regulated activities or a wider investor base. It has a €60,000 minimum capital and more formal rules. It should not be selected merely because it sounds more established.

When to consider a branch

A branch can be appropriate when the foreign company wants to operate directly in Spain and accepts head-office liability and reporting integration. It must still be registered, obtain a Spanish tax identity, keep the required records and assess permanent-establishment taxation.

Decision questions

1. Who should bear contractual and litigation risk?
2. Will investors enter at Spanish-entity level?
3. Does a licence require a particular form or capital?
4. How will funding, dividends or head-office remittances work?
5. What group reporting and governance does the parent require?
6. Will employees, premises or decision-makers create tax presence independently of the chosen label?

NRRO can document the legal and tax comparison for an identified business model. The final recommendation should record assumptions so it can be revisited if the launch changes.

Official sources

• Companies Act.
• Spanish Tax Agency: permanent establishment definition.
• Spanish Tax Agency: taxation of permanent establishments.

Reviewed on 26 August 2026. Regulated sectors and group-specific facts may change the conclusion.