Asseco Data Systems S.A.

Asseco Data Systems, a proud member of the Asseco Group – the largest IT conglomerate in Central and Eastern Europe – stands as one of Poland’s foremost IT companies. We provide cutting-edge tools that drive the digital transformation of enterprises and public institutions.
Our expertise shines through our trust services offered under the Certum brand, Poland’s oldest and most prominent provider of digital certificates. Certum ensures the security of online transactions and the reliability of user identities on the Internet.
Our portfolio includes qualified electronic signatures, SSL certificates, electronic seals, and electronic identification certificates, all compliant with the EU’s eIDAS regulations. Certum’s services support both private and public sectors, guaranteeing high security and legal compliance. This makes Asseco Data Systems a key partner in the digitalization of businesses and institutions in Poland and internationally.