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Legally valid online signing of documents with primeSIGN
You and your business partners can sign important contracts directly in sproof sign with an existing primeSIGN identification.
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"digital signing, simple as that " - primeSIGN is a leading manufacturer and provider of products, services and solutions for electronic signatures. With more than 20 years of experience in this field, everything we do revolves around the digitalization and optimization of signature processes. Since June 2016, we have also been an eIDAS trust service provider and operate an internationally active trust center for qualified signature and sealing certificates. Thousands of certificates are issued here every day and millions of signature transactions are processed.
Frequently asked questions
Are signatures created with Primesign legally valid?
How does the identification for the Primesign signature work?
How to sign with Primesign in sproof sign?
Can signature recipients also choose other signature providers?
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.
