Protect your website
with an SSL Certificate
Buy or renew a Certificate
Dear Customers,
We would like to inform you that our office will be closed on Friday, 14th August 2026, due to the public holiday on 15th August 2026.
Note that:
- • certificate issuance will be provided on a limited basis,
- • phone support will be unavailable,
- • contact with our Support Team will be available via email only at infolinia@certum.pl
We encourage you to take this interruption into account when planning your orders and contacting our team.
Comprehensive support at every stage
We are part of the Asseco Group, a global software producer
Building a digital future
35 Years of experience
54 Countries
30 000 Employees
6 Continents
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Certum’s Quality
The highest standards provided by Certum are proven by the following certificates: WebTrustSM/TM and QSCert®. We are also listed on the Trusted Service Providers List as well as eIDAS and Adobe Approved Trust List.
