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How to become self-employed in Sabadell (2026)

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Cost

Free

The registration is free. The monthly self-employment tax in 2026 ranges from €200 to €590 based on real income. New self-employed: temporary flat rate of €80/month for the first 12 months, extendable.

Time at office

1-2 hours (between the two procedures)

Estimated time

1-2 working days (effective registration)

Quick summary

Complete guide for registering as a self-employed individual in Sabadell. Register with Hacienda using the modelo 036/037, register in RETA, pay self-employment tax and avail of available assistance in Catalonia.

Required documents

  • Valid DNI or NIE

    Valid identification document of the applicant.

  • Tax Identification Number (NIF/NIE)

    DNI for Spaniards acts as NIF. Foreigners must have NIE.

  • Social Security Registration Number

    If you have never contributed to Spain’s social security, it is assigned at the time of registration.

  • Details of Economic Activity

    CNAE code or IAE epigraph corresponding to your intended business activity.

  • Bank Account Number (IBAN)

    For direct deposit of monthly social security contributions.

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The registration is free. The monthly self-employment tax in 2026 ranges from €200 to €590 based on real income. New self-employed: temporary flat rate of €80/month for the first 12 months, extendable. €0.00
€0.00
€0.00

: 2026

Step by step

  • 1

    Register with Hacienda: Model 036 or 037

    Go to official site

    First, register in the Enterprise Census at the Tax Agency’s Sabadell branch using either the simplified model 037 or the complete model 036. You can do this online with a digital certificate or in person at AEAT Delegation in Sabadell (C/ de Gràcia, 19).

    !

    Expert tip

    "Model 037 is valid for most self-employed individuals without employees. Sabadell has its own AEAT branch. Book an appointment at the AEAT branch before going. If you prefer to do it online, only a digital certificate or idCAT Mòbil is needed."

  • 2

    Register in Social Security: RETA

    Go to official site

    Within 60 natural days (preferably on the same day), register with RETA at the General Treasury of Social Security in Sabadell. You can do this online with a digital certificate or in person at the TGSS in Sabadell (C/ de Calvet d'Estrella, 130).

    !

    Expert tip

    "If you register before the first of the month, you pay the full monthly amount. If it’s after the first, you pay a prorated amount. Ideal date: The 1st of the month."

  • 3

    Choose the appropriate base for contributions based on estimated income

    With the system in place since 2023, your monthly contribution adjusts to your actual net earnings. You must indicate an annual income estimate. This can be changed up to six times a year.

    !

    Expert tip

    "If you are new to self-employment, apply for the temporary flat rate (€80/month for the first 12 months extendable if income < SMI). Choose 'Temporary Flat Rate' when registering in RETA."

  • 4

    Declare registration with IAE (if applicable)

    Most self-employed individuals (income < €1 million) are exempt from the Economic Activity Tax. If you exceed this threshold, you must register.

    !

    Expert tip

    "Almost all individual self-employment cases are exempt from the IAE. No additional procedures are needed in the City Council of Sabadell in most cases."

  • 5

    Check available assistance from the Government of Catalonia and the City Council of Sabadell

    Go to official site

    Catalonia offers subsidies and incentives for new self-employed individuals through the SOC (Service of Employment of Catalonia) and the Enterprise Department. The City Council of Sabadell and the Chamber of Commerce of Sabadell also provide local entrepreneurship support. Check current calls for funding.

    !

    Expert tip

    "The SOC offers up to €10,000 in assistance for self-employed individuals from certain groups (youths, women, long-term unemployed). The Chamber of Commerce of Sabadell provides free advice to entrepreneurs. Check enterprise.gencat.cat if you qualify."

Offices and service points - Sabadell

AEAT Delegation in Sabadell

C/ de Gràcia, 19, 08202 Sabadell

+34 901 33 55 33
Monday to Friday: 09:00 - 14:00 (by appointment)

TGSS — General Treasury of Social Security — Sabadell

C/ de Calvet d'Estrella, 130, 08203 Sabadell

+34 937 26 42 00
Monday to Friday: 09:00 - 14:00 (by appointment)

Frequently asked questions

How much does self-employment cost per month in 2026?
With the real income-based contribution system, monthly contributions range from €200 (very low income) to €590 (high income). New self-employed individuals can apply for a temporary flat rate: €80/month for the first 12 months extendable if net income is below the SMI.
Are there any benefits for self-employed in Sabadell or Catalonia?
Yes. Besides the temporary flat rate, the Government of Catalonia and SOC offer subsidies for new self-employed individuals, especially youths under 30, women, and long-term unemployed. The Chamber of Commerce of Sabadell also offers free advice to entrepreneurs. Check calls for funding on enterprise.gencat.cat.
Do I need a digital certificate to register online?
Yes. To process the online registration in the Sede Electrónica of AEAT and Social Security, you need a digital certificate (FNMT), DNI electronic, or access to Cl@ve. In Catalonia, you can also use idCAT or idCAT Mòbil.
Can I be self-employed and work for an employer?
Yes. Pluriactivity is legal. If you already contribute as a salaried worker, there’s a tax reduction in the RETA to avoid excessive double contributions.
Do I need to file the model 303 VAT return in Sabadell?
If your business is subject to VAT (most are), you must file the model 303 quarterly at the AEAT’s headquarters. This can be done online or at the Sabadell branch. You also need to submit the model 130 (fractionated payment of IRPF) if you pay in estimated income.

This procedure in other cities

Official sources and useful links

This guide is for informational purposes only. Always check the official source for current information.