Freelancer Taxes in Spain (Autónomos): Complete Guide for Expats

If you’re working as a freelancer (autónomo) in Spain, understanding the tax system is non-negotiable. Spanish autónomos must handle their own tax filings, social security, and invoicing—with heavy penalties for errors.

This article explains:

• How to register as autónomo

• What taxes you pay

• Quarterly & annual obligations

• Common deductions

• Tips to stay compliant

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🧾 What Is an Autónomo in Spain?

An autónomo is a self-employed individual or sole trader operating legally in Spain. Freelancers must register:

1. With Agencia Tributaria (AEAT) for tax purposes

2. With Seguridad Social to pay social security

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📝 How to Register as an Autónomo

Step-by-step:

1. Obtain an NIE number (foreigner ID)

2. Register with AEAT using Modelo 036 or 037

3. Register with Social Security (RETA system)

4. Choose your epígrafe (economic activity code)

5. Set up a business bank account

💡 You can do this online through the CIRCE portal.

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💰 Taxes Autónomos Must Pay

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📊 IRPF – Income Tax

• Standard rate: 20%–47% based on income

• Most autónomos use Modelo 130 to pay tax on net profit

• Clients may withhold 7% or 15% on invoices

🧠 New autónomos can benefit from lower IRPF rates for the first years.

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💸 VAT – Modelo 303

• Charged at 21%, 10%, or 4%, depending on service/product

• You must:

  • Add VAT to your invoices (unless exempt)

  • Submit Modelo 303 quarterly

  • File Modelo 390 annually

🌍 Some services to foreign clients (outside the EU) may be exempt from VAT.

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🏥 Social Security Quota

🧮 After the grace period, you pay according to your income bracket (€230 to €500+ per month).

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📆 Quarterly Obligations

Every quarter, you must file:

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📁 Annual Obligations

• Modelo 390 – Annual VAT summary

• Modelo 100 – Annual income tax return

• Modelo 190/180 – Annual summary of withholdings

• Modelo 347 – Operations with clients/suppliers > €3,005

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✍️ Invoicing Rules

Each invoice must include:

• Your full name & NIF/NIE

• Client’s details (including VAT ID if EU)

• Description of service

• Net amount, VAT rate, and VAT amount

• IRPF (if applicable)

• Invoice number & date

📌 Keep digital records of all invoices and expenses.

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🧾 Common Deductions for Autónomos

You can deduct business-related costs like:

• Coworking spaces

• Phone/internet bills (pro-rata for work use)

• Business travel & meals

• Marketing and software

• Professional services (accountant, lawyer)

• Laptop or work tools

🧠 Home office deductions are possible, but need precise square meter calculation.

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🇪🇺 EU vs. Non-EU Autónomos

• EU citizens can become autónomos without a work permit

• Non-EU citizens need a self-employment visa or residence permit

• Digital Nomad Visa is a new option for remote freelancers paying Spanish taxes

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✅ Tips to Stay Compliant

• Hire a gestor (tax advisor) to file quarterly returns

• Set aside 30% of your income for taxes

• Use tools like Quipu, Xolo, or Holded for invoicing

• Stay on top of Modelo deadlines

• File Modelo 036/037 when you change activities or stop freelancing

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🤝 Need Help as an Autónomo in Spain?

At Borderless Lawyers, we help:

• Freelancers register as autónomos

• File VAT and income tax returns

• Claim deductions and avoid penalties

• Navigate tax residency and dual taxation issues