See what you keep as an autónomo in Spain.

In practice yes. Your NIE is your foreigner identification number, and a digital certificate (or Cl@ve) lets you register and file online with Hacienda and Social Security. Non-EU citizens also need a residence permit that authorises self-employment.

Spanish income tax has a national part plus a regional part each community sets, so the same income gives slightly different tax in Madrid, Cataluña or Andalucía. All 17 common-regime regions are built in — compare them on the regions page.

A special regime that can let qualifying new arrivals to Spain be taxed at a flat rate on Spanish-source income for up to six years. It can be favourable but has strict conditions — worth checking with a professional before you register under the standard regime.

Foreign clients don't apply Spanish retención, so that income usually flows through the quarterly modelo 130 instead. If you're a Spanish tax resident you generally declare worldwide income, with double-taxation treaties to avoid being taxed twice.

No. freelancetaxhelper is an independent tool, not affiliated with the Agencia Tributaria or Seguridad Social. It gives a close estimate of the Spanish side to help you plan; for residency and cross-border matters confirm with a gestor or asesor fiscal.