Legal framework in Spain
Regulation (EU) 910/2014 (eIDAS) and Law 6/2020 on trust services establish three levels: simple, advanced and qualified signatures. An electronic signature cannot be rejected as evidence solely for being electronic.
Legal framework
eIDAS Regulation (EU) 910/2014 + Law 6/2020
What makes a signature valid in Spain?
For agreements between individuals and companies, a simple or advanced electronic signature is fully valid. Firmiu provides the audit trail — IP, device, location and verification — that proves authorship and integrity under eIDAS.
How to sign documents in Spain
Upload your PDF
Upload the document and enter the name and email of the person who must sign.
The signer receives a link
They get an email with a unique link and a verification code.
Signed document
The PDF is signed with its audit trail, ready to download.
Frequently asked questions
- Are electronic signatures legal in Spain?
- Yes. The eIDAS Regulation and Law 6/2020 grant them full validity in Spain and across the EU.
- What's the difference between simple, advanced and qualified signatures?
- They differ in the level of identification and security. Simple and advanced are enough for most private contracts.
- Are they valid in other EU countries?
- Yes. eIDAS guarantees recognition of electronic signatures across all member states.
Electronic signature in other countries
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