Sophisticated solutions that are easy to use
We enable secure electronic signatures and all the processes associated with them
Doctors prescribe prescriptions, banks conclude contracts and citizens communicate with authorities thanks to our innovative technologies. For almost 25 years, our products and services have reliably supported information systems that require confidentiality, integrity and non-repudiation of the origin of transactions.

...a trust service provider under EU Regulation No. 910/2014 eIDAS.
Our services are available on a global level, not just in Europe.
Heavyweights in banking, communications and IT
- Česká spořitelna, a.s.
- Československá obchodní banka, a.s.
- O2 Czech Republic a.s.
- Asseco Central Europe, a.s.
- STÁTNÍ TISKÁRNA CENIN, s.p.


Company Headquarters
You can find us
in Libeň, Prague
První certifikační autorita, a.s.
Podvinný mlýn 2178/6
190 00, Prague 9 - Libeň
Mailbox ID: a69fvfb
info@ica.cz
Manage your certificate

Certificate renewal
Certificates are the same as credit cards - for security reasons they have a limited validity.

Certificate revocation
If your smart card or computer is stolen, you can immediately revoke the certificate. If you are unable to request certificate revocation online, you can use other procedures.

Certificate Management
View a list of issued certificates and invoices, update your contact details. Google Chrome users must first install the ICAPKIServiceHost application.
100% compliance with the paragraphs
