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QUALIFIED TRUST SERVICES

Legally compliant digital signatures (eIDAS) to drive forward the digitalization of your business processes.

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CORPORATE TRUST SERVICES

Cryptography-based trust services
to protect your digital identities,
data and business secrets.

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Qualified electronic signature products based on eIDAS - legally binding and secure.

INDIVIDUAL
ENTERPRISE
OEM
PRODUCTS
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Easy-to-use, legally secure and flexible. Simple as that.

ONLINE SHOP
API GUIDE

Upgrade your application with electronic signatures by primesign.





SHOW ALL
DOCUMENT SIGNING API

Signing of PDF documents. primesign handles document processing and adds a visual signature stamp.

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HASH SIGNING API

Signing of hash values. Your application handles document processing and provides the document viewer.

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CASH BOX API

RKSV-compliant JWS- or raw signatures for cash box receipts.





DOCUMENTATION
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primesign TRUST CENTER

All documents for our qualified trust services, certificate revocation list, root-/CA- certificates, etc.

TRUST CENTER
RESOURCES

Fact sheets, product documentation and more.



RESOURCES
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PrimeSign Accessibility Statement


PrimeSign GmbH is a trust service provider that offers complete solutions for issuing and using qualified certificates for electronic signatures and seals. These can be used by natural and legal persons to conclude digital transactions.

We are committed to make our online services and our website accessible in accordance with the Accessibility Act as amended for the implementation of the European Accessibility Directive (Directive 2019/882) on the accessibility requirements for products and services.

Current deviations from the accessibility requirements


Perceivability

Support for assistive technologies such as screen readers or the provision of multisensory information has not yet been fully implemented.
A read-aloud function is not explicitly implemented, but functionalities of the application used by the user, such as Adobe Acrobat, can be used.


Operability/Usability

The following content or functions are currently not or only partially barrier-free:

  • Contrast: Some texts and symbols of our products do not yet stand out sufficiently from the background. Alternative texts for complex graphic content are sometimes missing.
  • Full keyboard operability is not available for certain interactions.
  • Forms and interactive elements do not always contain descriptive labels.


Understandability

Our Terms of Use, the description of our services, explanations of how they are provided, and the relevant procedures to be followed for their safe use are available in electronic form on our website.

These documents are available for download in PDF format. You will also find older documents and content that may not be fully barrier-free. As these were published before 28.06.2025, they are exempt from the Accessibility Act. Comprehensive amendments to these documents are not possible without considerable effort and corresponding processing times. These documents have already been electronically signed and approved by the relevant supervisory authorities/agencies in their current form.

For future PDFs, we will endeavor to take accessibility requirements into account. 


Robustness

Presentation of information: Semantically related information, which should be presented as related units, e.g. in the form of lists or groups of elements, is sometimes prepared in a form that does not always make their relationships clearly recognizable.

Multiple links with the same destination: In one of our applications, there are occasionally several consecutive links with different labels that refer to the same content. This redundancy can make navigation more difficult and impair the user experience. 


Feedback and contact

The listed incompatibilities with the accessibility regulations are constantly being corrected. Usability and accessibility are very important to us. If you encounter barriers when using our services or on our website that hinder or restrict your use, please do not hesitate to contact us.

You can reach us by post at the following address:

PrimeSign GmbH
Wielandgasse 2
8010 Graz
Austria

or to the following e-mail address: compliance@prime-sign.com

In this case, please briefly describe the problem and provide the URL of the website or document concerned. We will check your request and contact you as soon as possible.


Preparation of the accessibility declaration

The compatibility of the website with the BaFG was assessed in the form of a self-test in accordance with WCAG 2.1 on 16.06.2025. This declaration was created on 17.06.2025.