Digital signature solutions

sproof is reinventing digital signing and is creating tools for digitizing your business processes. sproof allows you to fast and easy integrate digital signatures in your existing processes and tools:

  • 5 Minutes to get your digital signature.
  • 100% legally-binding with qualified digital signatures.
  • 100% GDPR-compliant.
  • Sign yourself and collect signatures.
  • Working on documents together.
  • Automation with API and integrations.

Industry

  • SaaS, Legal

Location

  • Austria

Founding Year

  • 2019

ESAC Invested

  • 2021

Web & social media

Related News

Digital Sovereignty Made in Austria: ESAC Portfolio Company sproof Brings the EUDI Wallet Vision to Life

The Salzburg-based company has taken a significant step toward advancing Europe’s digital sovereignty agenda by launching a publicly accessible demo environment for the European Digital Identity Wallet (EUDI Wallet). With its demo platform, available through , the company showcases how secure, efficient, and fully European digital identification processes can work in practice — without media disruptions, with high security standards, and with clear data sovereignty within Europe. 

The 2026 trend. Startup Ranking: European Super Angels Club Portfolio Companies Climb to New Heights

The 2026 trend. Startup Ranking once again underlines the strength and resilience of the European innovation ecosystem. For the European Super Angels Club, this year’s edition is particularly encouraging. Three of our portfolio companies, Blockpit, Biome Diagnostics, and sproof, have significantly improved their positions.