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.

Activate now

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.

Learn more
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.

Learn more
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.

Learn more
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

Graphic with the heading 'Memorandum of Understanding for the successful introduction of the EUDI Wallet'. On the left, a hand holds a smartphone displaying a wallet icon. At the bottom, the logos of the Federal Ministry for Digital Transformation and Government Modernisation, Bitkom, and A-Trust are shown.”

25.11.2025

Business and Politics Strengthen Cooperation on the Introduction of the EUDI Wallet by 2027

With the signing of a joint Memorandum of Understanding (MoU), the Federal Ministry for Digitalization...

Montage: A person holding a smartphone with a red warning symbol and exclamation mark appearing above the screen. A laptop is visible in the background.

07.11.2025

Attention: Current phishing attempts in connection with ID Austria

There have been reports of fraudulent text messages and e-mails being sent in connection with...

Montage: A hand holds a floating, glowing microphone icon with digital network lines.

16.10.2025

Next-level accessibility: The A‑Trust signature stamp for PDF signatures now includes ALT text

For years, A-Trust has been dedicated to making digital signatures effortless and accessible...

All news