sproof offers a modular platform for electronic signatures and identity verification, targeting enterprises in Europe. Its site describes it as a “modular platform for digital signatures and identity verification” to ensure eIDAS compliance. The service supports multiple modules (e.g. contract signing, eIDAS 2.0 identity checks, SEPA mandate signing, and a central “eID Hub” for EU identity providers). The company highlights security certifications and data sovereignty: it is ISO 27001 certified and all development/hosting is done in Europe. sproof positions itself as an alternative to US-based e-signature solutions, avoiding dependencies on non-European jurisdictions. The site does not mention a founding year, but indicates a team presence in Austria (Salzburg).