Certificadora Digital, S.A. is a Qualified Trust Service Provider (QTSP) accredited under the eIDAS Regulation and supervised by Portugal’s National Security Office (Gabinete Nacional de Segurança). Based in Guimarães, Portugal, DigitalSign offers a comprehensive portfolio of qualified trust services, including qualified electronic signature and qualified electronic seal solutions, qualified electronic timestamping, qualified electronic signature validation service, qualified preservation service for qualified electronic signatures and seals. Building on this foundation, DigitalSign is actively developing digital identity solutions aligned with the European Digital Identity framework under eIDAS 2.0. Committed to interoperability and the highest standards of digital trust, DigitalSign supports organizations across Europe in their digital transformation through secure, legally compliant, and standards-based services.