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Self-Employed in Spain – Autónomo

Starting as an autónomo requires coordinated tax and Social Security registration before or at the beginning of the activity. The correct activity code, VAT position, contribution basis, invoicing and recurring returns depend on the real business model.

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Choose the activity and tax position

The activity must be classified under the appropriate IAE heading and tax census data must reflect workplace, start date, VAT and withholding obligations.

Cross-border services, online sales, professional activities and regulated trades can each require additional registrations or licences.

Hacienda and Social Security registration

The tax census registration and RETA enrolment must be coordinated so that dates and activity details match.

Contribution rules depend on forecast and actual net income, while new autónomos may qualify for reduced contributions if the conditions are met.

Documents and evidence

A foreign applicant may also need an NIE, Social Security number, residence or work permission, digital certificate and business premises documentation.

NIE and identity document

Spanish Social Security number

Business activity and address details

Bank account for contributions

Professional qualification or licence if regulated

Invoices, returns and ongoing duties

Invoices must contain the legally required details and apply Spanish VAT and IRPF withholding correctly where relevant.

Quarterly VAT, advance income-tax and withholding returns may be required, followed by annual summaries and the personal income-tax return.

Practical risks and individual review

Late registration, incorrect VAT treatment, private use of business expenses or failure to monitor electronic notices can lead to assessments, surcharges and penalties.

Requirements, appointment availability and administrative practice can differ by province and personal circumstances. We check the current competent authority and the evidence required before submission.

OFFICIAL INFORMATION

Useful official resources

Official requirements, fees and procedures can change. The competent authority and current rules are checked for each individual case.

FREQUENTLY ASKED QUESTIONS

Questions about Self-Employed in Spain – Autónomo

Must every freelancer register as autónomo?

Regular economic activity normally requires tax registration and often RETA enrolment; individual exceptions need advice.

Can I invoice before registering?

Registration timing should be settled before beginning or invoicing the activity.

Which quarterly returns apply?

That depends on VAT, withholding, income-calculation method and the type of clients and services.

Can a non-EU citizen become autónomo?

Yes if their immigration permission authorises self-employment and the other requirements are met.

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Important: This page provides general information and does not replace individual legal, tax, labour, medical or technical advice. Authorities decide applications and disputes independently. Requirements and practice may change.