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.


  • SaaS, Legal


  • Austria

Founding Year

  • 2019

ESAC Invested

  • 2021

Web & social media

Related News

Startup Report 202324 European Super Angels Club Celebrates Portfolio Triumphs

Startup Report 2023/24: European Super Angels Club Celebrates Portfolio Triumphs

As the curtains rise on the Startup Report 2023/24 by Florian Kandler, the European Super Angels Club stands proud, as four of our esteemed portfolio startups—Monkee, sproof, Ahoi Kapptn! and Blockpit—take center stage in this compelling narrative of entrepreneurial excellence.

Trend. Startup Ranking: Four Portfolio Companies in the Top 100

For the European Super Angels Club (ESAC), the recent Trend. magazine's Startup Ranking has been a cause for celebration, with four of its portfolio companies making significant strides. We congratulate sproof, ELOOP, Blockpit, and Biome Diagnostics who made it among the Top 100 list.