We value your privacy!
We use cookies on our website to offer you the best experience. By clicking "accept & close", you agree to the use of all cookies according to our and our . If you do not make a selection, our default cookie settings will be applied. You can change your settings at any time.
Essential cookies: They are required for the proper functioning of the website. First-party- und third-party-cookies: They are optional and are set by us or our subcontractors. Session and persistent cookies: Are automatically deleted when the browser is closed. Persistent cookies are cookies that remain on your computer/device for a certain period of time after the browser is closed.
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.
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.
