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Legally sign documents online with Swisscom Trust Services

Use your existing digital proof of identity and sign important documents online with the highest signature standard.

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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

Digital Signature 2.0 - Qualified Signing without Borders throughout Europe

sproof has been working intensively on a newly developed interface for qualified signing throughout Europe over the past few weeks. Now the beta version has been officially transferred to the test phase with some important key accounts.

We have integrated the most important signature providers

We continuously update the eID Hub with new providers and authentication methods to make it as easy as possible for you to obtain legally valid digital signatures - at no extra cost.
Why sproof sign?Highest security and compliance paired with an "all-in-one" functionality make sproof sign the top European alternative on the e-signature platform market. 100% developed and hosted in Europe.
sproof sign is currently the highest-rated e-signature provider on the independent review platform OMR Reviews and has also been certified by CRIF GmbH with the 'ESG SCORE: A' for sustainability.