Certified
Legal Signature.
The complete suite to sign and notarize documents on blockchain with legal value across Europe. eIDAS 2.0 compliant.
Legal Compliance Warning
Non-compliance with eIDAS 2.0 can lead to fines up to €50,000. Protect the integrity of your contracts.
Security at Enterprise Level.
Qualified Electronic Signature
Signatures with the same legal value as a handwritten signature, fully compliant with eIDAS 2.0.
Blockchain Notarization
Immutable timestamp on public blockchain. Every document receives a mathematical proof of existence.
Multiple Signature Collection
Advanced workflows for sequential, parallel or mixed signatures with full tracking.
REST API Integration
Full integration with your legacy systems via high-performance documented APIs.
Analytics Dashboard
Monitor the status of all documents and signature flows in real-time with drill-down.
Post-Quantum Security
End-to-end encryption, 2FA, and full GDPR compliance with encryption at rest.
Early Adopter Bundle
Take advantage of special pricing for the first 20 clients.
Once slots run out, prices will return to standard listing (+40%)
Starter PAdES
- 10 PAdES Signatures
- SMS OTP included
- EU legal validity
- Email support
Starter CAdES
- 10 CAdES Signatures
- .p7m format
- EU legal validity
- Email support
Professional
- 50 Signatures (Mix PAdES/CAdES)
- Multi-format credit
- SMS OTP included
- .p7m format
- Priority support
Business
- 100 Signatures (Mix PAdES/CAdES)
- AI Check included
- Multi-format credit
- SMS OTP included
- 24/7 priority support
- API access
Have enterprise needs or high volumes?
Contact Solutions ArchitectSecurity and Blockchain
Frequently Asked Questions
SignSiSure is our document notarization platform that uses Blockchain to guarantee the immutability, timestamping, and integrity of your corporate files.
We use enterprise-grade public and permissioned Blockchain protocols to ensure maximum security and compliance with European regulations (eIDAS).
Yes, Blockchain timestamping provides cryptographic proof of the document's pre-existence, which is enforceable against third parties.
Digitize your Trust Layer.
Start today with a 14-day free trial. No credit card required. 100% guaranteed compliance.
Book Strategic CallThe Revolution of Advanced and Qualified Electronic Signatures
In the era of digital transformation, simple document dematerialization is no longer enough. SignSiSure elevates security standards by introducing an advanced (AES) and qualified electronic signature (QES) platform perfectly integrated with blockchain technology. This hybrid approach not only guarantees the signer's identity with mathematical certainty but ensures absolute document integrity from the exact moment of creation. Legal validity throughout Europe is ensured by full compliance with the eIDAS 2.0 regulation, which sets the requirements for trust services and digital identity in the European single market. Whether dealing with complex commercial contracts, NDAs (Non-Disclosure Agreements), corporate resolutions, or HR documents, SignSiSure offers a fluid, secure, and legally unassailable workflow.
Blockchain Notarization: Immutability and Absolute Transparency
Blockchain notarization represents the beating heart of SignSiSure's innovation. Every time a document is signed or uploaded to the platform, the system generates a unique cryptographic hash (a digital fingerprint of the file) and registers it on a public or private blockchain (such as Polygon or Hyperledger Fabric). This registration creates an immutable 'timestamp', an irrefutable cryptographic proof that certifies the existence of that specific document at a precise moment in time. This decentralized time-stamping makes any retroactive alteration or tampering of the file mathematically impossible. In the event of legal disputes, blockchain notarization acts as irrefutable proof (Proof of Existence) enforceable against third parties, drastically reducing the risks associated with document fraud, signature repudiation, and contract alterations.
Regulatory Compliance: eIDAS 2.0 and Legally Compliant Archiving
Regulatory compliance is the pillar on which SignSiSure's reliability is built. The platform is natively designed to meet the rigorous standards of the European eIDAS 2.0 regulation (Electronic Identification, Authentication and Trust Services). This means that signatures applied via SignSiSure have full evidentiary value in all European Union member states, legally equivalent to traditional handwritten signatures. Beyond signing, we offer an integrated legally compliant digital archiving service (Conservazione Sostitutiva), which guarantees the integrity, authenticity, readability, and retrievability of electronic documents over the long term (up to 10 years and beyond, as required by civil and tax regulations). Documents are stored in secure, geo-replicated cloud servers protected by military-grade encryption, completely eliminating the need for physical paper archives.
API Integration and Automated Workflows
We understand that enterprise companies need solutions that adapt to their existing IT ecosystems, not the other way around. For this reason, SignSiSure offers a comprehensive set of RESTful APIs and Webhooks that allow fluid and frictionless integration with ERP (Enterprise Resource Planning), CRM (Customer Relationship Management), HR management systems, and corporate document management platforms (DMS). Thanks to our APIs, entire approval workflows can be automated: from dynamic contract generation, to automatic routing to multiple signers in sequential or parallel order, up to final blockchain notarization and automatic archiving in the corporate repository. This extreme automation reduces administrative bottlenecks, accelerates time-to-contract by 70%, and eliminates human errors related to manual data entry.
Use Cases: Enterprise Sectors and Applications
The adoption of SignSiSure brings cross-cutting benefits to multiple industrial sectors. In the Legal and Notary sector, it speeds up the signing of deeds, powers of attorney, and sales contracts, offering an irrefutable audit trail. In the Financial and Insurance sector, it simplifies the onboarding of new clients (KYC), the signing of policies, and the management of mortgage contracts, ensuring AML compliance and reducing the risk of fraud. In Real Estate, it makes the signing of preliminary agreements, lease contracts, and agency mandates transparent and secure. Finally, for HR (Human Resources) departments of companies of any size, it completely digitalizes the hiring of new employees, the signing of payslips, company policies, and remote working agreements, improving the employee experience and drastically reducing the carbon footprint related to paper consumption (paperless office).