The competent Ministry (as of January 2022 it is the Ministry of Economic Affairs and Digital Transformation) publishes on its website the qualified trusted Electronic Service Providers (the link is https://sedeaplicaciones.minetur.gob.es/Prestadores/

Likewise, there are different digital certificate profiles valid for the electronic signature of the invoice:

  • Qualified Electronic Seal Certificate : allows the telematic identification and electronic signature of entities, companies and other legal persons. Allows digital signing without incorporating representative or proxy data. It is especially suitable for authentication and unassisted signature in automated processes, such as the generation of invoices.
  • Qualified certificates for natural person legal representative: allows the holder to act on behalf of the entity or organization to which they belong.
  • Individual certificates: applicable for self-employed people and professionals, such as the idCAT or the electronic DNI.

NOTE : If you have any questions about how to sign the invoice, you should contact the support of the invoice creation program you use.

Related content :

Electronic signature of invoices

Certificates accepted by the AOC Consortium validator