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Use your existing digital proof of identity and sign important documents online with the highest signature standard.
Portrait
Swisscom Trust Services AG is the only European provider that makes qualified electronic signatures available in the legal areas of the EU (in accordance with the eIDAS Signature Regulation) and Switzerland (in accordance with the ZertES Signature Act). The advantage over handwritten signatures is that with electronic signatures, the integrity, authenticity and time of the signature can be ensured by a person on the digital document.
Frequently asked questions
Why to sign digital instead of analogue?
Is the digital signature 100% legally valid?
Is sproof sign GDPR compliant?
How can I invite people to sign?
Can signature recipients also choose other signature providers?
Do externals have to pay for signature or be sproof sign user?
Use your existing qualified signature directly in sproof sign