A-TRUST
Simply secure.

We are the reliable partner company when it comes to security in the digital space. As a qualified trust service provider, A-Trust has stood for compliance, integrity and convenience for over 25 years.

Ready for an upgrade? With the A-Trust Signature APP, you not only sign documents faster and more conveniently, but also rely on the highest possible security.

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Our products for companies

Secure the digital lead in your industry, e.g. by accelerating and simplifying internal processes thanks to our Signatur-Box (signature server). This saves you valuable time and minimizes your integration effort.

With our qualified electronic company seal you seal eIDAS-compliant throughout Europe (e.g. for the EU database EPREL).

As the market leader in the field of cash register certificates, we offer various online and offline solutions.

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A man shows his colleague something on his screen; she watches intently and smiles.A man shows his colleague something on his screen; she watches intently and smiles.

Our products for the public sector

Especially in the public sector, where highly sensitive data is handled, it is important to be protected in the best way possible! Your data security is close to our heart and with the Signatur-Box you are guaranteed to be on the safe side.

Authenticate your government organization using an authority signature (“Amtssignatur”) or benefit from service and community ID-cards that offer additional advantages (signature, encryption, identification) and security.

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A firm and benevolent handshake.A firm and benevolent handshake.

Our products for individuals

With the qualified electronic signature (QES) from A-Trust (e.g. ID Austria – your Austrian eID – or xIDENTITY), you can sign documents flexibly and completely independent of time and location.

You also gain access to numerous e-services from businesses and administration. This is how you can handle the process of signing official documents digitally – conveniently from the comfort of your own home.

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A young woman sits casually on the couch and uses her smartphone.A young woman sits casually on the couch and uses her smartphone.

Current news

Three men in suits are sitting on black leather sofas in a modern office with glass windows and large plants. On the glass table in front of them are a book and a red logo shaped like an 'A'. An abstract painting hangs on the wall behind them.

01.10.2025

A-Trust cooperates with Governikus for secure digital administration in Germany

A-Trust has entered into a pioneering partnership with the German company Governikus. The aim...

Group photo of A-Trust employees outdoors on a sunny day. The team is standing side by side, smiling at the camera, with some wearing A-Trust hoodies. A dog is also part of the group.

30.09.2025

A-Trust once again recognized as a “Great Place to Work®”

Austria’s leading trust service provider thus reaffirms the high quality of its workplace culture...

Montage: A person works on a laptop; document icons float in front of the screen;  A seal with a check mark indicates that the documents have been successfully verified.

22.09.2025

Now available: Amtssignatur ID+ by A-Trust

The Amtssignatur ID+ provides public authorities with another highly secure solution to digitally...

All news