We are the leader in the Polish market and one of the oldest certification centers in Europe (more than 15 years). The classic electronic signature kit (e-signature) created by Certum is Poland’s most frequently chosen service of its kind.

Our team of experts is often engaged in consultations regarding the issues related to the electronic signature and its validation, which are held both in Poland and in the rest of the European Union. The Certum brand has won numerous distinctions and awards in prestigious competitions and contests.

We have our own Data Center which is one of the safest in the country. As a result, we provide reliable and fully efficient services, consistent with international standards.

The services provided by Certum are audited by, among others, the National Certification Center (NCCERT):https://nccert.pl/karta14Asseco.htm

Why should I trust Certum and choose SimpleSign? It’s simple!


Compliance with eIDAS

A service consistent with the Regulation of the European Parliament and Council of the European Union No. 910/2014 dated July 23, 2014, on electronic identification and trust services in relation to electronic transactions on the internal market, abbreviation: eIDAS


24/7 security and accessibility

Our own Data Center guarantees a reliable and efficient service, consistent with international standards, which is confirmed with certificates obtained during audits.


European CA – Recommendation of experts

The Certum service is provided in the Data Center located in Poland/EU. It is one of the safest data centers in Poland.


We are recognised by experts

Our team of experts is frequently engaged in consultations in the EU.


Proprietary solution

SimplySign is designed and produced fully in European/Polish Certum R&D laboratories (ADS S.A.).


Experience of the market leader

The Certum electronic signature is Poland’s most frequently chosen e-signature service. We have one of the largest and oldest certification centers in Europe (more than 15 years of experience).