Starting a business in Spain is a strategic decision that involves not only a good idea and a solid business plan but also compliance with a series of essential legal, fiscal, and administrative procedures to launch the activity with legal certainty. Understanding and correctly managing these processes from the outset helps to avoid penalties, delays, and future issues with the authorities.
At Numo, we help make all these procedures as simple as possible, guiding you from the first steps right through to the launch of your company, so you can focus on what really matters: growing your business safely and confidently.
1. Choosing the Legal Form of the Company
The first step before initiating any procedure is to decide the legal form under which the business will operate. This choice affects the entrepreneur’s liability, taxation, accounting obligations, and initial costs.
The most common legal forms are:
- Sole trader (autónomo)
- Limited Liability Company (Sociedad Limitada, SL)
- Public Limited Company (Sociedad Anónima, SA)
- Civil Partnership or Joint Ownership (Sociedad Civil / Comunidad de Bienes)
In practice, the Limited Liability Company is the most common choice for small and medium-sized businesses, as it limits liability to the capital contributed and offers greater credibility with third parties. However, each case should be considered individually, taking into account expected turnover, number of partners, and the risk associated with the activity.
2. Negative Certification of Company Name
If forming a company, the next step is to request a negative certification of the company name from the Central Mercantile Registry. This document certifies that the chosen name is not already in use by another company.
This step is mandatory and must be completed before visiting a notary. The certification is valid for three months, so it is advisable to proceed without delay.
3. Opening a Bank Account and Depositing Share Capital
For commercial companies, it is necessary to open a bank account in the name of the company in formation and deposit the legally required minimum share capital. In the case of a Limited Liability Company, the minimum capital is €1, although it is common to contribute a higher amount to provide initial solvency to the business.
The bank will issue a certificate confirming the deposit, which is required for the notarisation of the deed of incorporation.
4. Drafting the Articles of Association
The articles of association regulate the internal functioning of the company. They include key aspects such as:
- Company name
- Corporate purpose
- Registered office
- Share capital and ownership shares
- Management bodies
It is essential that the articles are properly drafted and aligned with the company’s actual activities, as any later modifications will entail additional procedures and costs.
5. Public Deed of Incorporation Before a Notary
The company must be formally incorporated through a public deed signed before a notary by all founding partners. This deed incorporates the articles of association, the name certificate, and the bank certificate of the share capital.
Once the deed is signed, the company exists legally, although it cannot fully operate until subsequent steps are completed.
6. Obtaining a Provisional and Definitive Tax Identification Number (NIF)
After notarisation, a provisional NIF must be requested from the Tax Agency. This number allows certain fiscal and administrative procedures to begin.
Once the company is registered in the Mercantile Registry, the definitive NIF can be obtained, which is essential for the normal conduct of business activities.
7. Registration in the Mercantile Registry
Registration of the deed of incorporation in the provincial Mercantile Registry is mandatory for commercial companies. This procedure grants full legal validity to the company in dealings with third parties and ensures the publicity of its essential data.
The usual timeframe for this registration is approximately one month from the notarisation.
8. Tax Registration with the Tax Agency
Every company or professional must register with the Tax Agency using the census declaration (form 036 or 037). This procedure communicates:
- Commencement of activity
- IAE code (Economic Activities Tax)
- Applicable VAT regime
- Ongoing fiscal obligations
This step is crucial, as it defines how and when taxes must be filed.
9. Registration for the Economic Activities Tax (IAE)
Although many companies are exempt from paying IAE during the first years, registration is mandatory. The chosen code must accurately reflect the activity carried out, as it has fiscal and administrative implications.
10. Social Security Registration
Depending on the legal form, it may be necessary to:
- Register the entrepreneur or director in the Special Regime for Self-Employed Workers (RETA)
- Register the company with Social Security
- Register and enrol employees, if any
This procedure must be completed before starting operations or hiring staff.
Additional Obligations
Companies must maintain orderly accounting records, legalise their books annually in the Mercantile Registry, and submit annual accounts within the legal deadline. Failure to comply may result in fines and liability issues for the directors.
Conclusion
Setting up a company in Spain involves far more than just a good idea. Administrative, fiscal, and legal procedures are an essential part of the process and must be approached with care and planning.
Professional advice from the outset not only speeds up procedures but also ensures the selection of the most suitable legal structure, optimises tax burdens, and guarantees regulatory compliance. A properly established company is the first step towards a solid, profitable, and sustainable business.
