Certum

Founded in 1998, Certum is the oldest and largest public certification authority in Poland and a leader in the field of digital trust services in Europe. As part of Asseco Data Systems S.A., Certum provides solutions that ensure the security, authenticity, and integrity of electronic documents and online communications. The company's core mission is to deliver reliable identification and data security services, including qualified electronic signatures, SSL/TLS certificates, and time-stamping, all in compliance with the European eIDAS regulation.