Digital signature certificate:
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Digital signature certificate

How digital signature certificates work

In terms of eSignatures, European regulation is the most stringent. Third-party providers must comply with norms and obtain a digital signature certificate to offer their service.
Certified providers are subject to frequent audits by independent experts selected by the European Commission.
Selecting a certified provider is imperative to ensure that your signatures will be legally binding and that your agreements and data will be stored securely.

Yousign’s eSignature certificates

Certification Authority

As Certification Authority (CA), Yousign is entitled to deliver eSignatures through the digital signature certificates that it holds. Any eSignature completed through our service will be recognized at the national and EU level.

eIDAS digital certificate

The eIDAS norms were implemented across the EU in July 2016. The set of regulations specified by eIDAS enshrine in law the recognition and legal requirements of eSignatures within the EU. Yousign holds eIDAS compliance certificates for electronic signature services, electronic seal and qualified time stamp.

View our eIDAS compliance certificates for :

Responsible third party

We protect our users and our customers: your data is encrypted and hosted on secure servers in the EU. Yousign holds digital signature certificates and is recognized by the EU commission as a trusted provider of eSignature services.


Security is our top priority

Secure encryption

Our data is encrypted using AES256 and transiting data is encrypted using the TLS protocol.

Safe storing

Access to your document vault is restricted and secured with multiple-factor authentication.

Reliable team

All of the members of our team hold a certificate in cybersecurity and data protection.

Backed-up data

Data is replicated and stored across several secure servers in different locations.

Bug bounties

We deploy bug bounty programs to continually test the security of our infrastructure.

Your data and Yousign



The General Data Protection Regulation (GDPR) is the most comprehensive data privacy regulation and currently protects the personal data of citizens across the EU. Yousign is recognized by the European Commission and ensures that signatures and services delivered through its platform are compliant with GDPR.

European flag

Hosted in the EU

Our data is hosted exclusively in the EU. Your documents are safely stored and your time-stamped proof files are legally archived with a trusted third-party archiver.

As a Certification Authority (CA), Yousign is accountable to expose technical documents to independent security experts.

These documents can be viewed by following these links:

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