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Sign documents legally online with yes®

Fast and secure: you and your business partners sign contracts with qualified digital signatures in sproof sign with a yes® identification.

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yes® is an open banking ecosystem that was launched in Germany in 2019. yes® is a provider of certificates for electronic signatures. Within the yes® ecosystem, both advanced and qualified electronic signatures can be created in accordance with EU Regulation 910/2014 eIDAS.

Frequently asked questions

Use your existing qualified signature directly in sproof sign.

We have integrated the most important signature providers

We are constantly updating the eID Hub with new providers and authentication methods so that you can obtain legally valid digital signatures as easily as possible - at no extra cost.
Smart IDAutenticação.gov Citizen Card PortugalFinnish eID (FINeID)Estonian ID-card (EstEID)Mobile IDPaperless webSIGN (by certSIGN)D-TrustSimplySignEvrotrustprimeSIGNBelgian eID (.beID)CertEuropeLatvian eID (eParaksts)Swisscom Trust ServicesUanatacaID Austria (Handy-Signatur)Croatian eIDCard (eOI)certSIGN TokenSPIDOnline ID function (German ID card)sproof sign eID hub
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.
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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.
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