REINVENTING DIGITAL SIGNING

sproof revolutionizes the way we secure digital documents and data by creating a unique
digital signature for each document.  

SPROOF REGISTRY

decentralized timestamp for your documents
  • easily issue verifiably secure documents
  • digitally sign and manage digital documents
  • easy-to-integrate API
more about registry

Sproof Sign

service for collecting digital signatures
  • sign digital documents
  • invite contacts to sign
  • monitor signing process
More About Sign

WE ARE SPROOF

We are reinventing digital signing to make issuing, revoking and verifying digital documents easy, fast and secure.
more about sproof
sproof is an Austrian-based technology company
sproof is a startup company co founded by Clemens Brunner, Fabian Knirsch and Erich Höpoldseder.
sproof sign and sproof registry
Our products are perfectly tailored to our customers.
sproof is reinventing
digital signing
sproof allows you to fast and easy integrate digital signatures in your existing processes and tools.
sproof is for everyone
sproof offers an API for easy integration into your existing application.

OUR LATEST STORIES

Discover what is new. Follow the sproof blog.
sproof sign: an innovation suitable for public administration
The digital signature tool sproof sign received the IÖB award, a seal for highly innovative solutions that help to improve public administration...
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Home office: Why you should sign documents digitally from now on
Numerous documents are sent to people in the home office for approval by signature. Read here why scanning a signed document is a bad idea and what...
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Blockchain Landscape Austria
The Blockchain Landscape Austria gives an overview of companies, platforms & institutions leading the development of Blockchain technology in...
Read More
see all blog posts

OUR CUSTOMERS

Together with our customers, we shape the
digital future.
SHOWCASES
Christoph - Software Engineer, Information Service
"Setting up the digital signature with sproof was done in less than 40 minutes. A simple API call was the only thing we had to integrate into our system."
Daniel Nobis - CIO, Paracelsus Medizinische Privatuniversität
"sproof can be implemented within the of a couple of hours, it is cost efficient and easy to use. We can also participate in an intentional network easily."
BVFS
Wirtschaftskammer Salzburg
Paracelsus Medizinische Privatsuniversität
Hogast
Advokat
Modul University
Berchtesgadener Land
Copa-Data
FH Salzburg
FH Krems

OPEN QUESTIONS?

If you need help, have questions or feedback about our company or products, please do not hesitate to contact us. Please do not forget to check out our FAQs.