Electronic signatures and seals for

Lawyers and Notaries

Secure, compliant and legal

The qualified e-signature replaces the handwritten signature and enables electronic documents for lawyers, notaries and bailiffs in accordance with Swiss legislation under ZertES.

Web service from Switzerland

Replaces scanning of paper files
Digital official seal for notaries
Secure solution including KYC workflows


Customer satisfaction

No more paper-heavy processes involving printing, signing, scanning, and mailing; whether by email or postal mail. Contracts of all can be signed online in minutes without the need for physical presence.ist.
  • Invite customers, partners and suppliers to sign via email
  • Easily and intuitively create forms and populate them with input fields
  • Start and manage workflows, including configurable email notifications


(Legal) Security

" Sämtliche Daten werden ausschliesslich in einer hochverfügbaren Umgebung innerhalb eines Schweizer Rechenzentrums gehalten, welches den höchstmöglichen regulatorischen Anforderungen gerecht wird"
  • Qualified signatures for the legal areas EU/EEA and Switzerland
  • Certified according to the eIDAS regulation (EU) and ZertES(Swiss signature law)
  • Auditors continuously check that all regulations are complied with in accordance with Swiss and European legislation.
  • Highly available data storage in a certified Swiss data center



Contracts can be prepared electronically within minutes and signed electronically within seconds. All parties involved have the current version of the contract and can sign it with just a few clicks.
  • Location-independent on smartphone, tablet or computer
  • Immediacy at the conclusion
  • Digitally signed contracts are returned promptly
  • Fast, secure and legally compliant

Meet all legal requirements

with Subsign

Legal validity / authenticity

The qualified electronic signature (QES) with legal basis according to the EU regulation eIDAS and the Swiss federal law ZertES fulfills the highest possible evidential value for electronically issued signatures.


All services have data centers in Switzerland. Your data is hosted in data centers built to FINMA specifications and certified to ISO 27001.


All data is managed and processed in Switzerland according to DSGVO and nDSG.