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První certifikační autorita,a.s. (I.CA) was established in 2001 as a subsidiary company of PVT, Inc. Took over from the parent company, all activities relating to the provision of certification services, which was within the PVT, Inc. operated since 1996.

I.CA in 2001, the first in the Czech Republic, obtained the certificate of accredited certification service provider within the meaning of the Act no. 227/2000 Coll., on electronic signature. In 2006 I.CA also received accreditation for issuing qualified system certificates and qualified time stamps, as well as accreditation for issuing qualified certificates and timestamps in Slovak republic.

Effectiveness of EU regulation no. 910/2014 on electronic identification and trust services for creating electronic transactions in the internal market (eIDAS) is I.CA became a qualified trust service provider within the EU.

I.CA is currently the largest provider of comprehensive services of issuing and managing certificates in the Czech and Slovak Republics. The main focus of our company is to provide activities directly related to the provision of certification services and time authority.

At the present time, I.CA is owned by several notable companies:

  • Česká spořitelna, a.s.
  • Československá obchodní banka, a. s.
  • O2 Czech Republic a.s.
  • Asseco Central Europe, a.s.
  • STÁTNÍ TISKÁRNA CENIN, státní podnik

Registered Office:

Podvinný mlýn 2178/6
190 00, Praha 9 - Libeň
ID No.:    26 43 93 95
VAT ID No.: CZ26439395

The joint-stock company První certifikační autorita is registered in the Commercial Register administered by the Municipal Court in Prague.


Date of Registration:  March 12,. 2001
File Number: Section B, Insert 7136
Registered Assets of the Company: 
Registered Capital: CZK 20 000 000
Paid: 100%

 Code of Ethics I.CA Principles of client's personal data processing


Registration authorities



8/28/2019 Swedish partnership
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7/16/2019 I.CA starts issuing certificates using elliptic curve cryptography (ECC)
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3/27/2019 I.CA became a member of the OBE QTSP Working Group
More here