Authority responsible for information
Ministry of the Presidency, Justice and Relations with the Courts
Last update: 30-03-2026
If you wish to operate a business in Spain, you may opt to do so either as a natural person (sole trader) or as a legal person (in the form of a commercial company). Commercial companies in Spain can take one of four legal forms: private limited company, public limited company, general partnership and limited partnership.
The steps to be followed to complete the formation of a commercial company are listed below.
Make sure no other company exists under the name you plan to give the new company. Do this by checking with the Central Register of Companies that the company name does not exist.
Get a tax identification number (NIF), by applying to the main tax authority in Spain, the National Tax Agency, for a tax identification number.
Deposit social capital at a bank. Every commercial company must have a minimum mandatory social capital, deposited at any bank. Proof of disbursement is not required if the partners assume joint and several liability for the amount of capital in the deed.
Rules, known as articles of association or by-laws, have to be drawn up for governing the company.
Sign the deed of incorporation before a notary .
Pay the property transfer tax and duty on documented legal acts at the Tax office in the relevant autonomous community.
Have the company entered and published on the Register of Companies .From now on, the company is fully incorporated and acquires legal personality.
Make a declaration of commencement of activity at the National Tax Agency.
Register at the National Tax Agency for the tax on economic activities.
Register the business with the social security authority .
As a new feature, Law 18/2022 of 28 September on the creation and growth of companies (the ‘Create and Grow’ Act) was adopted in September 2022. It introduced a minimum capital of one euro for limited liability companies, with a specific transitional regime for amounts not exceeding EUR 3 000 (20% of the profits of the legal reserve and joint and several liability of partners in the event of liquidation).
The Law also allows companies to be incorporated via ‘CIRCE’ [Information Centre and Network for Setting Up Companies] and ‘DUE’ (electronic single document), recognises the possibility of doing so by means of an extrajudicial foreign public document, in line with Law 25/2015 of 30 July on international legal cooperation in civil matters, and considers, inter alia, the College of Registrars to be a focal point for entrepreneurs.
Social security registration as self-employed
Registration and inspection records, and related legal formalities. Company record-keeping
Notification of the opening of business premises or resumption of activity. Application for registration on the Register of Commercial Activities and Employers at the Ministry of Labour of the relevant autonomous community, or provincial department of labour. Formalities relating to commencement or resumption of activity
Application to the local authority for a licence to commence activity.
Social security registration of employees and contracts
Legal formalities relating to company records. Register of Companies
Law 3/2009 of 3 April 2009 on the restructuring of commercial companies, governs the system for changing the form of commercial companies. The changes permitted are listed below.
A change of form of a company must of necessity be agreed by the general meeting of shareholders, in accordance with the requirements and formalities prescribed by the by-laws of the company which is changing its form.
The agreement on the change of legal form cannot alter the shareholdings held by shareholders, unless it is agreed to by all remaining shareholders in the company.
Shareholders who did not vote in favour of the agreement may withdraw from the company which is changing its form.
The change of legal form takes effect on registering the public deed of the change of form in the Register of Companies.
Agreement to dissolve a company. If any of the grounds prescribed by law exist, the administrators must convene a general meeting to have the dissolution agreed and authorise the deed to this effect. Royal Legislative Decree 1/2010 of 2 July 2010 approving the revised text of the Law on companies.
Settlement of the property transfer tax and duty on documented legal acts This must be filed at the Treasury Ministry in the relevant autonomous community.
Registration of the winding-up decision. In general, an application is filed within one month of the general meeting and entered in the Register of Companies .
Appointing liquidators. They may be appointed both when the dissolution of the company is agreed on, during the period of winding up and whenever the general meeting so decides.
Registering the appointment of liquidators. In the same period, this is entered in the Register of Companies of the province where the business is located.
Winding up process, distribution of corporate assets, and a public deed of termination.
Settlement of property transfer tax (ITP) and duty on documented legal acts (AJD) . These are settled at the Ministry of Economy of the autonomous community in which the business is located, within a period of 30 working days from notarising the public deed.
Application for registration of the termination of the company and cancellation of entries in the register. This takes place at the Provincial Commercial Registry where the company is domiciled.
Termination of contracts of employment. This takes place at the Labour and Social Security Inspectorate within the period prescribed in the collective bargaining agreement applicable to the company.
Delisting of contracted employees, also from their social security accounts. It is necessary to go to the Central treasury for social security of the province where the employees were registered.
Removal from the roll of businesspersons and from the tax on economic activity. This must be done at the Tax Agency within one month of dissolution of the business.
Removal from the special scheme for the self-employed. This is done at the Central treasury for social security within six calendar days from the date on which the activity ceased.
La Organic Law 1/2025, of 2 January, on measures for the efficiency of the Public Service de Justicia has had its full impact since its general entry into force in April 2025. This rule introduces technical changes to the Capital Companies Act (LSC) and the Insolvency Act to streamline legal proceedings related to corporate disputes.
2. Digitalization: New Directive (EU) 2025/25
At the beginning of 2025, the transposition and adaptation to Directive (EU) 2025/25 has been formalized, which deepens the digitalization of the life cycle of companies:
Certificate of Company: Creation of a digital standard to prove the existence of the company throughout the EU through a certification issued by commercial registrars.
Preventive Control: Reinforcement of the legality control by commercial registrars before registration. In Spain, this control was already carried out by commercial registrars but the directive comes to impose it in those other countries where it was not so strong.
Digital Powers: Implementation of electronic representational powers with cross-border validity.
3. New Models of Annual Accounts (June 2025)
As of June 4, 2025, it is mandatory to use the new models of Annual Accounts approved by the Ministry of Justice. Among the novelties, the following stand out:
Update of the Declaration of Real Ownership Sheet, which must now be completed compulsorily each year, even if there have been no changes.
New information requirements aligned with the sustainability regulations (CSRD) for certain companies.
4. Stock Market Reform
In March 2025, the so-called Reform III was implemented, which harmonizes the Spanish securities settlement and registration systems with European standards (T2S), directly affecting listed companies.
Ministry of the Presidency, Justice and Relations with the Courts