About us


Compliance, integrity, convenience and above all security: A-Trust is the reliable partner when it comes to security in the digital space and stands for innovative and professional identification, certificate and signature solutions.

Our expertise
your benefit.

With over 20 years of experience in the Austrian certificate field and more than 4 million active qualified certificates, A-Trust not only stands for consistency and investment security, but has also advanced to become the industry leader in the field of qualified electronic signatures.

Our base

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Since A-trust was founded in the year 2000, our focus has always been on confidentiality and integrity. This is how we ensure that you and your data are protected digitally in the best possible way.

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A-Trust has been an accredited certification service provider since 2002 and a qualified trust service provider according to eIDAS since 2016. A-Trust was and is significantly involved in the digitization of Austria and works in close cooperation with the ministries.

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With more than 4 million users of the A-Trust QES (e.g. ID Austria), A-Trust is the Austrian market leader in the field of qualified electronic signatures. We are proud to contribute to Austria's continued status as an international role model in terms of digitalization.

Your data in safe hands

EU Trustmark

Qualified trust service provider according to eIDAS

As a qualified trust service provider, we are conformity assessed in accordance with Article 20 of Regulation (EU) No. 910/2014 (eIDAS Regulation). All our qualified services are eIDAS-compliant and meet the highest security and data protection requirements.


100% GDPR-compliant

Data protection is our top priority: With our strict security precautions and careful data processing, we ensure that all information is kept confidential, integrity-protected and secure at all times, making us 100% GDPR-compliant.

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ISO 27001 certified

We also focus on information security: our ISO 27001 certification ensures that essential security controls and measures are implemented to guarantee the confidentiality, integrity and availability of all information.

A-Trust is a proud member of the following associations and organizations

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aed – Agency for Economic Cooperation and Development

aed is the federal government's service provider for the implementation of international reform projects and represents Austria's interests in projects funded by the EU and other international institutions. aed is an Austrian agency organized in the form of a non-profit association.



AUSTRIAPRO provides information on the importance and benefits of standard-compliant e-business solutions and promotes their introduction and dissemination. AUSTRIAPRO actively participates in national and international e-business standardization, develops best practice through e-business pilot projects and makes expert knowledge available to domestic companies.

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Austrian Digital Value

The ADV is an independent, neutral and non-political association in the fast-moving ICT sector in Austria, which represents the interests of its members, promotes cooperation with other interest groups and ensures an up-to-date and supra-regional information status.

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Bitkom e. V. is the industry association of the German information and telecommunications sector. Bitkom's aim is to make Germany a leading digital location, drive forward the digital transformation of the German economy and administration, strengthen digital sovereignty and achieve broad social participation in digital developments.

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Cloud Signature Consortium

The Cloud Signature Consortium is a group of industry and academic organizations committed to building a new standard for cloud-based digital signatures that will support web and mobile applications and comply with the most demanding electronic signature regulations in the world.

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The Data Intelligence Offensive (DIO) is a cooperation platform that connects data-producing, data-processing and data-using stakeholders along the data value chain. The aim is to create an open and transparent data ecosystem based on working groups, data spaces and data circles.



DOXNET is an international trade and interest group for users and manufacturers in the field of high-volume digital printing and document management, including digital document workflows. The aims of the association are to provide training and information on industry topics, to network experts and to provide forums for joint exchange.

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Internetoffensive Österreich

The Internetoffensive Österreich sees itself as a lobby for all stakeholders in the field of information and communication technologies (ICT). Its main aim is to strengthen cooperation between politics and business in order to successfully position and promote Austria as a location for ICT.

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Kompetenzzentrum Sicheres Österreichaims to make Austria more secure. To this end, the KSÖ has been promoting the exchange of experience, further development and addressing new topics relating to the central area of internal security for many years and brings together committed personalities from business, science, administration and politics.



OSSBIG is a dedicated community of open source advocates working to promote and spread open source and digital sovereignty. The diverse network includes developers, government agencies, educational institutions, programmers, IT experts, students, teachers and other interested parties!

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The Bundesverband IT-Sicherheit e.V. (TeleTrusT) is a non-profit association with the aim of promoting professionalism in the field of information security and raising awareness. TeleTrusT represents the largest competence network for IT security in Germany and Europe and offers forums for experts, organizes events and comments on current IT security issues.

Management board

Portrait Markus Vesely


Dr. Markus Vesely

Portrait Sven Glöckner


DI Sven Glöckner

Portrait Ramin Sabet


DI Ramin Sabet