01
SES: simple electronic signature
For routine, low-risk processes with lighter identity attribution.
- Internal approvals
- Acknowledgements
- Standard agreements
Practical guide
Compare SES, AES and QES Electronic Signature Levels
Compare simple, advanced and qualified electronic signatures under eIDAS and choose the appropriate assurance level.
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The right signature level depends on risk, identity evidence and any legal form requirements.
02
AES: advanced electronic signature
Uniquely linked to the signer, with later document changes detectable.
- Contracts requiring stronger evidence
- Employment and supplier processes
- Customer agreements
03
QES: qualified electronic signature
Qualified identity verification and a qualified certificate provide the highest eIDAS assurance level.
- Suitable form-bound declarations
- Regulated procedures
- Sensitive transactions
Clarify the signature level
DE-CODA helps assess your specific transaction.