Company profile
Ardaco, established in 2001, is a leading provider of Information and Communication security. Ardaco develops and provides its own fully scalable Silentel platform for secure mobile communication. In addition, Ardaco provides a full range of its proprietary products for qualified electronic signature – QSign that enable secure and cost-effective handling of electronic documents.
History
2001
Ardaco established
Headquartered in the EU Ardaco has always placed technical expertise at the heart of its offering.
Invention of PDMark
The company has pioneered and patented new technologies including Electronic Paper Protection (PDMark®).


2003
QSign 1st generation
QSign™ application for creation and verification of guaranteed electronic signature (ZEP) in accordance with the legislation of the Slovak Republic, developed and certified in cooperation with the National Security Office of the Slovak Republic.
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2004
Silentel 1st generation
Silentel® SecureCall and SecureSafe solutions for secure mobile communication built for “old-fashioned” Nokia smartphones and 2G networks (CSD technology).
2006
Silentel certified by NSA Slovakia
Since 2006, Silentel® is certified by a growing number of National Security Agencies as a product for secure mobile communication up to levels RESTRICTED and CONFIDENTIAL.

2007
QSign 2nd generation
QSign™ application for signing and verifying documents using a guaranteed electronic signature (ZEP) in accordance with the legislation of the Slovak Republic.

2008
Silentel 2nd generation
As one of the first companies worldwide, Ardaco created a new IP based product package for secure voice/data communication and messaging called Silentel® TeamTalk.
2009
Silentel certified by Ministry of Defense
Silentel® approved and certified for military use.
2010
Silentel 3rd generation
Ardaco pioneered a new secure voice, messaging and data system for mobile communication and world most innovative and economical mobile communication solutions to comply with the latest NATO and US standards in security - using standard commercial devices to protect classified information.

Silentel approved by NATO
Silentel® is the first solution world-wide for secure mobile communication that was positioned in the NATO Information Assurance Products Catalogue (NIAPC).
2011
QSign complete platform - independent server based solution
QSign complete server solution for the processing of qualified electronic signatures and long-time preservation of electronic records.
2014
Silentel certified by NSA Czech Republic
2015
QSign 3rd generation
QSign 5 - application for creation and verification of qualified electronic signature (QES) in accordance with the legislation of the Slovak Republic and EU.


2016
PDMark for mobile devices
New generation of PDMark® solution usable in mobile environment.
2017
Silentel certified by SANS Bulgaria
2021
Ardaco is a certification authority and provider of qualified trust services under eIDAS.

2023
QSign Mobile
We were the first in Slovakia to introduce remote signing with a qualified electronic signature using mobile devices running Android and iOS.
QSign 4th generation
QSign 6 - application for creation and verification of qualified electronic signature (QES) in accordance with the legislation of the Slovak Republic and EU with support for QSign Mobile remote signing.
Quality Management System
We in Ardaco place great emphasis on the quality of the products and services delivered to our customers. The company has therefore introduced a sophisticated quality management system which is being constantly improved in order to secure quality in the rapidly changing environment of information technologies. Our ISO 9001:2015 certification and regular auditing ensures that we achieve and maintain rigorous standards of both quality and reliability.