Moving to Spain? Why Getting an NIE Number Is the First Legal Step You Can’t Skip

Relocating to Spain can be exciting — but before anything else, you need your NIE number.

NIE Spain application

What Is the NIE and What Is It Used For?

The NIE is a unique ID number assigned to non-Spanish citizens who need to carry out legal or financial activities in Spain. Once issued, it never changes — you keep the same number for life.

In short, the NIE is your entry point into Spanish life.

Who Needs an NIE?

You need an NIE if you’re:

Case Study: Leo, a Remote Worker from the Netherlands

Leo was moving to Barcelona to join a coworking tech startup. Although he held Dutch citizenship (and thus didn’t need a visa), he still needed an NIE to:

"Getting my NIE early saved me tons of headaches — I could open a bank account and sign my apartment lease right away."

How to Apply for an NIE Online

There are two main options:

  1. In-Person Application
    • Schedule a police station appointment (cita previa)
    • Appear with ID, form EX-15, and supporting documents
    • Pay the application fee (Modelo 790)
    • Wait for your certificate (can take 2–6 weeks)
  2. Online via Authorized Representative
    • Submit your documents online (passport, proof of need, etc.)
    • Sign a digital power of attorney
    • Your representative handles the in-person visit
    • Certificate issued in 5–10 business days

This second option is ideal for digital nomads, remote workers, or property buyers not yet in Spain.

What You’ll Need to Apply

Common Mistakes to Avoid

Why Apply Early?

Applying early prevents delays with:

Final Thoughts

If you’re serious about starting a life in Spain — even temporarily — securing your NIE is not just a formality, it’s the foundation of your legal identity.