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

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

The 2025 Trend. Startup Ranking highlights the impressive progress of several European Super Angels Club portfolio companies, showcasing their growth and success. Blockpit, Biome Diagnostics, and sproof have all made significant strides this year, achieving new rankings and milestones.

sproof sign now available in the Microsoft Store: Revolutionizing Digital Workflows

sproof sign, developed by sproof, a portfolio company of the European Super Angels Club (ESAC), is now available in the Microsoft Store. This step makes it simple for businesses to access and use one of Europe’s most secure digital signature platforms. Furthermore, it integrates directly into Microsoft’s ecosystem, enhancing efficiency and usability.