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Certum's electronic signature?

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Electronic signature renewal

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step by step

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with an SSL Certificate

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Certum services available worldwide

35 years

Of experience

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One of the largest Certification Authorities in Europe

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Technical infrastructure
located in the EU

99.9%

uptime of services

Please be informed that 11 November is a national public holiday in Poland (Independence Day).
As a result, our Technical Support and Validation teams will be unavailable on this day. All enquiries and requests received during the holiday will be handled on the next business day.
We kindly ask you to take this into account when planning your activities.
Thank you for your understanding.

Comprehensive support at every stage

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Support Center

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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

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.