The 3 levels of eIDAS electronic signature
A clear visual to understand at a glance the three levels provided for by the eIDAS European regulation: simple (SES), advanced (AES) and qualified (QES) signature. Use it in your presentations, articles or training — the asset is free to share with attribution.
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Summary of the 3 levels
A text reminder for search engines and screen readers. For each level, consult the detailed eIDAS guide.
- Authentication
- Email + click ("I sign")
- Use cases
- Quotes, internal orders, acknowledgements of receipt
- Level of proof
- Adequate · eIDAS validity
- Example
- A quote, an internal agreement
- Authentication
- OTP SMS/email + verified email
- Use cases
- Employment contracts, NDAs, commercial leases, binding contracts
- Level of proof
- High · eIDAS validity
- Example
- An employment contract
- Authentication
- QTSP certificate + secure device
- Use cases
- Authentic documents, public procurement
- Level of proof
- Maximum · equivalent to handwritten signature in the EU
- Example
- A notarial deed
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