Spain for freelancers (autónomos) and entrepreneurs, market and paperwork first

Terms used

• Autónomos — Autónomos are self-employed workers who register with Social Security and pay monthly contributions.
• RETA — RETA is the Social Security regime for the self-employed.
• Tarifa plana — The tarifa plana is the reduced flat monthly Social Security payment for new autónomos.
• NIE — The NIE is the foreigner identification number needed for tax, work and registration.
• Hacienda — Hacienda is Spain's tax agency.
• Alta — The alta is the registration of your activity with Hacienda, filed on Modelo 036 or 037.
• IAE — The IAE epigraph is the code that classifies your type of business activity for tax.
• Modelo 100 — Modelo 100 is the annual personal income tax return.

Key rules

• Monthly contribution: You pay Social Security every month, based on your expected income, whether or not you earned that month.
• Tarifa plana: New autónomos pay 80 euros a month for the first 12 months, extendable for 12 more if income stays below the minimum wage.
• Right to work: Non-EU citizens need a self-employment permit or a valid permit allowing it; EU citizens need only an NIE and registration.
• Quarterly filings: VAT and income tax advance payments are due 20 April, 20 July, 20 October and 30 January.
• Annual return: File your income tax return between April and 30 June.

Is self-employment in Spain worth it?

Lower living costs only help if the monthly contribution, the set-up and the filing routine stay manageable. In Spain they are manageable, but they are not light. You pay Social Security every month, even in a slow month, and you file tax forms every quarter. Plan for both before you move.

What you pay each month

As an autónomo you pay into RETA, the Social Security regime for the self-employed. Since 2023 the amount depends on your expected annual net income. There are 15 income brackets, and you choose a monthly base within the range for your bracket.

In 2025 the minimum monthly contribution was about 200 euros and the maximum about 1,270 euros. The total rate was about 31.4% of the chosen base. The tables change every year, so check the current figures before you budget.

If your real income ends up different from your estimate, contributions are adjusted after you file your annual tax return. You may owe a top-up or get a refund.

New autónomos get a reduced payment, the tarifa plana: 80 euros a month for the first 12 months. It can be extended for a further 12 months if your income stays below the minimum wage. After that you move to the normal bracket system, so budget for the jump.

What set-up involves

You need the right to work in Spain as self-employed and an NIE. The steps are:

1. If you come from outside the EU, hold a residence permit that allows self-employment, or apply for a self-employment permit. That application needs a business plan, proof of qualifications and proof of funds. Once the permit is approved, you must register within a set period.
2. EU citizens need only an NIE and the registration.
3. File the alta (Modelo 036 or 037) with Hacienda to register your activity and its IAE epigraph.
4. Register with RETA, usually within 30 days of starting.

The documents list and checklist below cover the details.

What you file and when

Expect a steady rhythm of filings:

• Quarterly VAT (Modelo 303): VAT is typically 21%.
• Quarterly income tax advance payment (Modelo 130): generally 20% of net income. If you are under the modules system, you file Modelo 131 instead.
• Deadlines: 20 April, 20 July and 20 October, then 30 January for the fourth quarter.
• Annual income tax return (Modelo 100): filed between April and 30 June.
• Annual VAT summary (Modelo 390).

Depending on your activity, you may also file more. Modelo 115 applies if you pay withholding on rent. Modelo 111 applies if you pay withholding on staff or professionals. Modelo 349 applies to sales or purchases within the EU.

Many people hire a gestor, an adviser who handles these filings, once they have a regular income. That is an extra monthly cost to include in your budget.

How to judge it

Add up the monthly contribution, the filing workload and any adviser fee. Then compare that total with your savings on rent and daily costs. If the margin is still comfortable, Spain works well for self-employment. If your income is small or irregular, the fixed monthly contribution is the main risk.

Timeline and deadlines

• Register with the RETA social security regime for the self-employed: usually within 30 days of starting your activity

• File quarterly VAT and income tax advance payments for the first three quarters: by 20 April, 20 July and 20 October Deadline: 20 April, 20 July, 20 October.

• File the fourth-quarter VAT and income tax advance payment: by 30 January

Documents you need

• NIE, the foreigner ID number, which you need to register as an autónomo.

• A valid residence permit that allows self-employment, or an application for a self-employment permit. EU citizens do not need this.

• Business plan, qualifications and proof of funds, needed if you are applying from outside the EU for a self-employed permit.

• The alta form (Modelo 036 or 037) filed with Hacienda, the tax agency, to register your activity and its IAE epigraph, the business activity category.

Checklist

• Confirm you have the right to work in Spain as self-employed, through a valid permit or an application.

• Get your NIE, the foreigner ID number.

• Register with RETA, the social security regime for the self-employed, usually within 30 days of starting.

• Set up quarterly VAT (Modelo 303) and income tax advance payment (Modelo 130) filings.

• Check whether your activity also needs Modelo 115, 111 or 349 filings.

• Prepare your annual income tax return (Modelo 100) for filing by 30 June.

Frequently asked questions

Does my monthly Social Security payment change after the year ends?

Yes, your contributions are regularized after your annual tax return, so what you paid is compared with your real income. You choose a monthly base within your income bracket based on expected net income, and the bracket tables are updated every year.

Which tax forms do I file every quarter as an autónomo?

You file quarterly VAT (Modelo 303) and an income tax advance payment (Modelo 130, or 131 under modules). The deadlines are 20 April, 20 July, 20 October and 30 January for the fourth quarter. If you pay withholding on rent or staff, you also file Modelo 115 or 111.

Do EU citizens need a work permit to register as an autónomo?

No, EU citizens need only an NIE (foreigner ID number) and their registration, not a self-employment permit.