Tax assistance for self-employed in Spain (autónomos)

We help self-employed professionals in Spain manage taxes, bookkeeping, and compliance, on time, online, and in your language.

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What We Handle for You

From registration to your quarterly filings, we’ve got it covered

Registration Setup

Autónomo registration (Modelo 036/037 + RETA – your monthly social security)

Daily Management

Bookkeeping, invoice tools & expense categorization — all ready for tax filing

Regular Filings

Tax declarations: Modelo 130 (IRPF) + Modelo 303 (VAT)

Year-End Filing

Year-end returns: Modelo 100 (Income Tax) + Modelo 390 (VAT Summary)

Special Services

Digital certificate, DTA advice (avoid double taxation), Beckham Law, multilingual support

See full service list

With InnoTaxes you get

Tax advisors explain clearly in your language

Tax deadline reminders

View all your filings and payments in one dashboard

Suggestions to save money and remain compliant

Access to relevant information

100% online

Your Personal Tax Dashboard

A Platform Built for Expats. More than just a gestoria

Always Know What's Due

Clear Tax Breakdown

Secure Document Storage

“I finally understand what’s going on with my taxes. And everything’s in English, what a relief.”

— Anna R., UX Designer from Germany

Why Freelancers Struggle in Spain?

Many run into trouble because:

Tax forms are only in Spanish

Deadlines sneak up without warning

Advisors don’t explain things

Self-employed overpaying and don’t know it

InnoTaxes solves all of this, with tech + human support.

Real Stories. Real Results.

Real stories from people just like you.

“I used to miss quarterly deadlines — now I get reminders and clear breakdowns.”

“Thanks to their tips, I’m now paying less and feeling in control.”

“Finally someone explained how Modelo 303 works — in English!”

“I manage clients from three countries. InnoTaxes helps me stay compliant in all of them.”

97%

of our clients pay less than before

penalties filed by our clients

25+

countries we support freelancers from

Why Expats Choose InnoTaxes

Multilingual Team

(EN, ES, RU, JP, KO, CN)

Built-in dashboard

No more email chains or PDFs

Real Human Advisor

Human support explain everything

Legal Tax Savings

We help you understand your taxes, and reduce them legally

Not Sure if You Need to Register?

If you’re earning money while living in Spain, you probably do.

Consulting, content creation, or online work all have tax obligations. We’ll clarify what’s required.

Pricing

Price adjusts to your invoice volume

Expert Plan

Payroll not included.

From

89.00 €

/mo

Get my price

Access to a digital dashboard where you can track your income, expenses, taxes, and filings in real time.

Provides clarity on cash flow, deductible expenses, and upcoming tax deadlines.

Service available in multiple languages (Spanish, English, Chinese, etc.).

1. VAT Returns (quarterly & annual)

(Forms 303, 390)

Quarterly filing of VAT returns.

Annual summary return.

Review of invoices issued and received (deductible / non-deductible).

Control of EU transactions (ROI and reverse charge).

Pro-rata adjustments (when applicable).

Filing reminders and deadline notifications.

If the Tax Office opens an inspection or requests clarifications, we can prepare the documentation and represent you (extra fee).

If you have months of invoices not recorded or disorganized, we can reconstruct your books to get everything up to date (extra fee).

2. Income Tax for Freelancers (advance payments & withholdings) (Forms 130, 111, 115, 180, 190)

Quarterly advance payments (130).

Withholdings for employees (111).

Withholdings for rent (115).

Annual summaries (180, 190).

Filing of late declarations with surcharges.

If Hacienda reviews your returns, we can assist you with explanations and defense (extra fee).

3. Informative Declarations (EU transactions, assets abroad, crypto) (Forms 347, 349, 720, 721)

Reporting transactions with third parties over €3,005 (347).

Reporting intra-community transactions (349).

Reporting assets abroad (720).

Reporting crypto assets (721).

If you receive penalties related to these filings, we can manage your defense (extra fee).

1. Keeping simplified books: income, expenses, investments, provisions.

2. Preparing reports under the Spanish General Accounting Plan (income statement).

3. Reviewing deductible expenses.

4. Calculating input and output VAT.

5. Filing quarterly and annual tax returns.

6. We can help you reconstruct records when invoices are missing or mixed up (extra fee).

1. One-on-one sessions with a senior advisor to plan your tax and financial strategy.

2. Helps optimize deductions, forecast future taxes, and adjust your setup.

4 sessions per year.

One-on-one with a senior advisor to plan tax and financial strategy.

Helps optimize deductions, forecast taxes, and adjust setup.

Standard support: answers within 48 hours.

Employment Services

Legal Services

Ultimate Plan

Payroll included.

From

124.00 €

/mo

Get my price

Access to a digital dashboard where you can track your income, expenses, taxes, and filings in real time.

Provides clarity on cash flow, deductible expenses, and upcoming tax deadlines.

Service available in multiple languages (Spanish, English, Chinese, etc.).

1. VAT Returns (quarterly & annual)

(Forms 303, 390)

Quarterly filing of VAT returns.

Annual summary return.

Review of invoices issued and received (deductible / non-deductible).

Pro-rata adjustments (when applicable).

Filing reminders and deadline notifications.

If the Tax Office opens an inspection or requests clarifications, we can prepare the documentation and represent you (extra fee).

If you have months of invoices not recorded or disorganized, we can reconstruct your books to get everything up to date (extra fee).

2. Income Tax for Freelancers (advance payments & withholdings) (Forms 130, 111, 115, 180, 190)

Quarterly advance payments (130).

Withholdings for employees (111).

Withholdings for rent (115).

Annual summaries (180, 190).

Filing of late declarations with surcharges.

If Hacienda reviews your returns, we can assist you with explanations and defense (extra fee).

3. Informative Declarations (EU transactions, assets abroad, crypto) (Forms 347, 349, 720, 721)

Reporting transactions with third parties over €3,005 (347).

Reporting intra-community transactions (349).

Reporting assets abroad (720).

Reporting crypto assets (721).

If you receive penalties related to these filings, we can manage your defense (extra fee).

1. Keeping simplified books: income, expenses, investments, provisions.

2. Preparing reports under the Spanish General Accounting Plan (income statement).

3. Reviewing deductible expenses.

4. Calculating input and output VAT.

5. Filing quarterly and annual tax returns.

6. We can help you reconstruct records when invoices are missing or mixed up (extra fee).

1. One-on-one sessions with a senior advisor to plan your tax and financial strategy.

2. Helps optimize deductions, forecast future taxes, and adjust your setup.

A named tax advisor assigned to the account.

Direct contact for questions, guidance, and ongoing support.

12 sessions per year (monthly).

One-on-one with a senior advisor for tax and financial planning.

Priority support: responses in less than 24 hours.

1. Payroll & Social Security

Payroll calculation and payslip issuance (up to 3 employees).

Filing of Social Security contributions via Sistema RED.

The plan covers up to 3 employees. From the 4th employee, registrations, terminations or changes in Social Security have an additional cost per employee (+€10 from 4th employee).

Employee withholding certificates.

2. Employment Contracts

Drafting standard employment contracts (official templates).

Notification to SEPE and Social Security.

3. Sick Leave & Dismissals

Management of medical leave (temporary disability).

Processing maternity/paternity leave.

Basic settlements and voluntary resignations.

4. Labor Disputes

Basic advice on employee claims.

If an employee takes a claim to court or a labor authority, we can represent you (extra fee).

Answering basic legal questions related to business activity.

Reviewing standard contracts (leases, commercial).

For detailed or customized contracts (beyond standard templates), we offer an in-depth legal review (extra fee).

Not sure these plans fit you?

We also offer additional services for one-off needs, and fully personalized plan if you prefer ongoing support.