Seguridad Social: How to Get Your Spanish Social Security Number
Before you panic trying to decipher yet another Spanish government website, take a deep breath. The Seguridad Social (Spanish Social Security system) is the absolute backbone of your new life in Andalusia.
Let’s clarify exactly what this number is, why you absolutely need it before you even think about your first day of work, and how you can completely skip the notorious bureaucratic gauntlet at the local government office.
Key Takeaways
The Facts: Why You Need This Number
In short: The Número de la Seguridad Social (NUSS) is your golden ticket into the Spanish social and healthcare system. Without this number, no employer can legally hire you, and you cannot register as self-employed (Autónomo).
This number is used to track your contributions toward your pension, build your right to Spanish unemployment benefits (Paro), and secure your access to free basic medical care at the state health centers (Centros de Salud).
The Difference: Getting the Number vs. Job Registration
Many expats confuse the assignment of the number (Asignación de NUSS) with actual job registration (Alta). You apply for this personal number once in your lifetime. Only after you have this number can your employer officially register you in the system. This must strictly happen before your first day of work. Retroactive registration is illegal in Spain, so sort this out early.
The Modern Way: Skipping the Paperwork Chaos
In the past, you had to print out Form TA.1, make copies of your ID, and wait weeks for a Cita Previa (prior appointment) at the Tesorería General de la Seguridad Social (TGSS).
Today, officials at the local office will often send you straight back home if you show up just to request a number. The Spanish administration has almost entirely digitized this process through their Import@ss portal.
How to Apply for Your NUSS Online (in 5 Minutes)
If you already have a Digital Certificate (Certificado Digital), Cl@ve, or a Spanish eID on your phone, the process is incredibly simple:
- Go to the official Seguridad Social portal (Import@ss).
- Click on “Solicitar el Número de la Seguridad Social”.
- Log in with your Certificado Digital.
- Verify your stored data (Name, address in Spain).
- Click confirm – and you can immediately download the PDF containing your new NUSS.
What if you don’t have a Digital Certificate yet? You still don’t need to go to the office! The portal offers the option “Solicitar NUSS sin certificado” (Request NUSS without certificate). You simply use your smartphone to upload a selfie, a photo of your Passport/ID, and a photo of your N.I.E. document, along with your email address. A civil servant will manually review the images and usually email you your number within 48 hours..-Dokuments mit dem Smartphone hochladen und deine E-Mail-Adresse angeben. Ein Beamter prüft die Bilder manuell und schickt dir die Nummer meist innerhalb von 48 Stunden per Mail.
Expert Tip: The Wrong Form
A common mistake during the initial registration process is confusing the application forms. Form TA.0521 is exclusively for those registering as self-employed (Autónomos). If you are a regular employee or an intern applying for your Social Security number for the first time, you must use Form TA.1. If you are required to submit your application in person due to technical glitches with the portal, ensure you have this specific document ready to avoid being turned away by the officials.
Once you have your Social Security number and your employer has registered you, you are officially in the system. But beware: This does not mean you will hold a plastic doctor’s card in your hand the very next day! Applying for the actual Spanish health card (Tarjeta Sanitaria SIP) at your local Centro de Salud often takes weeks.

Recommendation: EKTA for the Insurance Gap
During this waiting period (or while you are still job hunting), you are often insufficiently covered in the event of an emergency. With EKTA, you can easily take out flexible, short-term international health insurance for expats. This covers the dangerous gap until the wheels of Spanish bureaucracy finally turn and your public coverage kicks in.
Frequently Asked Questions (FAQs)
Conclusion: Digital is King
Spanish bureaucracy has a reputation for being a tough opponent. However, the Seguridad Social has modernized massively in recent years. Save yourself a trip to the local office, simply upload your documents via the Import@ss portal, and check this major relocation milestone off your list from the comfort of your sofa.
Your Next Step: Do you have your N.I.E. and your Social Security Number? Perfect! Now all you need to do is officially register your residential address at the town hall.
👉 Read our guide on the Empadronamiento (Town Hall Registration) in Spain here.
Still have questions?
Are you stuck on the portal or has something changed with the appointments? Just drop us a comment below!
