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Guides for freelancers

Practical articles on taxes, invoicing and deductions in Spain.

Renta 20259 minNew

7 mistakes in Spain's 2025 tax return that cost freelancers money

Hacienda's draft misses RETA fees, invoice withholdings and regional deductions. Here are the costliest mistakes for Spanish freelancers and how to avoid them.

7 April 2026Read →
Pension plan7 min

Pension plan for Spanish freelancers: up to €5,750 deductible from income tax (2025)

Practical guide to PPES (Simplified Employment Pension Plan). How it works, limits, tax saving by bracket and how to record it in the app.

22 April 2025Read →
Intra-EU VAT9 min

Modelo 349 Spain — What it is, who must file and how it works in 2025

Complete guide with infographics: intra-EU operations, ROI registration, deadlines, difference from 303 and common mistakes.

22 April 2025Read →
Social Security8 min

Autónomo social security by real income: visual guide with infographics (2025–2026)

15 brackets, net income calculation, annual adjustment and flat rate. Everything you need to know, explained with original infographics.

22 April 2025Read →
Comparison10 min

Best apps for freelancers in Spain (2025): Declarando, Taxfix, Quipu and Autónomo Simple compared

Honest comparison of the main tax tools for freelancers with no employees or SL in Spain. Prices, features, and which one fits your situation.

21 April 2025Read →