Subnoto
Privacy-first French e-signature using confidential computing so the platform never sees your documents
- Data: EU
- GDPR-native
- EU-owned
Subnoto is a French electronic signature platform built around document confidentiality, using end-to-end encryption and trusted execution environments so that neither Subnoto nor any third party can read unencrypted documents. Currently eIDAS SES (Simple Electronic Signature) compliant, with advanced and qualified signature levels on the roadmap for 2026. Signing uses biometric passwordless authentication via fingerprint or Face ID.
Subnoto is a French electronic signature platform built around document confidentiality, using end-to-end encryption and trusted execution environments so that neither Subnoto nor any third party can read unencrypted documents. Currently eIDAS SES (Simple Electronic Signature) compliant, with advanced and qualified signature levels on the roadmap for 2026. Signing uses biometric passwordless authentication via fingerprint or Face ID.
Highlights
- ✓End-to-end encryption with confidential computing — platform never accesses unencrypted documents
- ✓Data hosted in France with zero-knowledge architecture
- ✓eIDAS SES compliant today, with advanced and qualified signatures roadmapped for 2026
- ✓Biometric passwordless signing via fingerprint and Face ID
- Data location
- EU
- Pricing
- Freemium
- EU-owned
- Yes
- Self-hostable
- No
Good for
- Law firms handling confidential client agreements where even the vendor must not see content
- Healthcare providers exchanging patient-related documents under strict confidentiality rules
- Executives signing sensitive M&A documents requiring biometric authentication and zero-knowledge storage
A European alternative to
Frequently asked questions
- Is Subnoto EU-owned and GDPR-native?
- Subnoto — European-owned: Yes; GDPR-native: Yes; self-hostable: No; data stored in: EU.
- How much does Subnoto cost?
- Pricing model: Freemium. Check Subnoto's own site for current plans and numbers.
- What are European alternatives to Subnoto?
- Compare GDPR-native European alternatives to Subnoto — where each one is built, owned and hosted.
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