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Our Company

sproof is an Austrian-based startup company co-founded by Clemens Brunner, Fabian Knirsch and Erich Höpoldseder. sproof is supported by the FH Salzburg University of Applied Sciences Startup Center. sproof creates a revolutionary and new kind of digital signature that allows you to issue your certificates digitally and secure. Furthermore, verification is easy, completely decentralized and does not require your interaction. sproof allows you to fast and easy integrate digital signatures in your existing processes and tools.

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Featured News


High resolution version of the sproof logo for download. sproof is a registered trademark.

The sproof management team (f.l.t.r. Erich Höpoldseder, COO – Clemens Brunner, CEO – Fabian Knirsch, CTO). Credit: Sandra Lagler/sproof GmbH