Issuing commercial
and qualified

OKsystem is the registration authority and a branch of First Certification Authority a.s.

OKsystem issues commercial and qualified certificates, electronic seals, hardware solutions and technology server certificates.

This registration authority

This registration authority issues all kind of certificates. Here, it is possible to buy the hardware, the type of HW is needs to be checked if it is in stock in advance.

Opening Hours

The registration authority has been in operations since 8 June 2020. All certificates are issued in accordance with prescribed hygiene measures and only by prior telephone agreement (tel.: +420 236 072 448).

Monday – Friday
9:00 – 12:00; 13:00 – 14:00

+420 236 072 448
+420 236 072 111

The registration authority is located at OKsystem a.s. (Na Pankráci 125, 140 00 Praha 4), close to Pankrác (Metro "C" line).

Metro C

134, 188, 193, H1, XC

Na Pankráci 125
Praha 4

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