Certum
European qualified electronic signature provider operating as a trusted certification authority under eIDAS standards.
- Data: EU
- GDPR-native
- EU-owned

Certum is a Polish certification authority and digital trust service provider, part of the Asseco Group. It offers qualified electronic signatures, SSL certificates, code signing, and related digital security solutions compliant with eIDAS regulations. Operating for 35 years across 54 countries with EU-based infrastructure, Certum serves both SME and enterprise customers through direct sales and 300+ authorized resellers.
Certum is a Polish certification authority and digital trust service provider, part of the Asseco Group. It offers qualified electronic signatures, SSL certificates, code signing, and related digital security solutions compliant with eIDAS regulations. Operating for 35 years across 54 countries with EU-based infrastructure, Certum serves both SME and enterprise customers through direct sales and 300+ authorized resellers.
Highlights
- ✓Qualified eIDAS trusted service provider with 35 years industry experience
- ✓99.9% uptime guarantee with EU-based infrastructure and GDPR compliance
- ✓Comprehensive digital signature ecosystem covering documents, code, SSL, and email
- ✓Adobe Approved Trust List certification with WebTrust and QSCert standards
- Data location
- EU
- Pricing
- Paid
- EU-owned
- Yes
- Self-hostable
- No
Good for
- Financial and banking institutions requiring secure document signing and compliance
- Software developers needing code signing and trusted application distribution
- Enterprises requiring qualified electronic signatures for legally binding contracts
A European alternative to
Frequently asked questions
- Is Certum EU-owned and GDPR-native?
- Certum — European-owned: Yes; GDPR-native: Yes; self-hostable: No; data stored in: EU.
- How much does Certum cost?
- Pricing model: Paid. Check Certum's own site for current plans and numbers.
- What are European alternatives to Certum?
- Compare GDPR-native European alternatives to Certum — where each one is built, owned and hosted.
More European tools
- AutentiPolish digital trust platform for e-signatures, certified delivery, and identity verification across EU
- AgrelloEstonian e-signature and contract platform with API-first design and AI document review for department-led teams
- ArbetslexSwedish employment-law analysis with vector search and LLM.
- ArubaItalian eIDAS-qualified digital signature provider built on European infrastructure.
- AvtalContract module — templates, editor, signing and export.
- CONNY (Mehrabfindung)No-cost legal platform for severance pay claims against unlawful termination in Germany.