Contact ISZO
Contact us
To contact us, please select the service relevant to your question or request. This will help us process it faster and direct it to the right department. You may also refer to the FAQ section on this website.
Invoicing
invoicing@okte.sk
Hotline
+421 915 853 501
Evaluation of imbalances and differences
+421 917 822 634
+421 907 818 571
+421 907 625 846
financial guarantee
zabezpeky@okte.sk
Requests for renewal of certificates and creation/change of user accounts
certificate@okte.sk