Trusted services

Izdavanje kvalifikovanih sertifikata

Certification authority ESS QCA

E-SMART SYSTEMS DOO BELGRADE certification body (ESS QCA) was entered into the Register of trusted service providers on 05/07/2018. years. We offer you the following trusted services:

Issuance of qualified certificates for electronic signature

At ESS QCA you can get your ” personal identification document in the electronic world ” in just one visit and in less than 30 minutes.

Issuance of qualified certificates for electronic seal

Very soon, our certification body will also offer the service of issuing qualified certificates for electronic seals.


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E-Smart Systems doo headquarters

Kneza Višeslav 70a
11030 Belgrade
Republic of Serbia
+381 11 3050200