To sign up for the Negocios Account online and enjoy all the advantages of becoming a customer, you will need:
Digital Certificate and AutoFirma (e-signature app)
ID or NIE
Don't have everything?
Don't worry, you can send your application to the branch of your choice. An adviser will contact you to help you open the account.
See more information on Autofirma at the Fábrica Nacional de Moneda y Timbre (FNMT-RCM) website, and the Electronic Administration Portal (PAE).