Procesli
ES EN

How to get FNMT Digital Certificate in Santander (2026)

Verified on:

Cost

Free

Free of charge

Time at office

15 minutes (only for identity verification)

Estimated time

Same day

Quick summary

Instructions on obtaining the citizen digital certificate (FNMT-RCM) in Santander. Required for online administrative procedures. Free of charge.

Required documents

  • Valid DNI or NIE

    Original identification document to present during the verification.

  • Compatible device with web browser

    Firefox or Internet Explorer for downloading the certificate (recommended: Firefox).

0 €
Free of charge €0.00
€0.00
€0.00

: 2026

Step by step

  • 1

    Request online application code

    Go to official site

    Access cert.fnmt.es and enter your NIF to obtain an application code that will be sent by email.

    !

    Expert tip

    "Use the same web browser throughout the process (application, verification, and download)."

  • 2

    Verify your identity in person

    Go to a registration office (AEAT, Social Security or City Hall) in Santander with your DNI original and the application code.

    !

    Expert tip

    "You can verify at AEAT or Treasury of Social Security offices without an appointment in many cases."

  • 3

    Download the certificate

    Go to official site

    Return to cert.fnmt.es with the same browser within hours (or next day) and download the certificate.

    !

    Expert tip

    "Make a backup copy of the certificate (.p12) with a strong password."

Offices and service points - Santander

FNMT Registration Offices — Santander (AEAT, TGSS, City Hall)

Monday to Friday: 09:00 - 14:00

Frequently asked questions

What is the digital certificate for?
For tax declarations (tax return), Social Security records, DGT services, civil registration, and any e-government service of administrative bodies.
Does the certificate expire?
The FNMT personal digital certificate has a validity period of 4 years. You can renew it online without visiting in person if it hasn't expired yet.

Official sources and useful links

This guide is for informational purposes only. Always check the official source for current information.