eIDAS-qualified electronic signature products - legally binding and secure.


Successful. Digital. Economical.


Easy, legal, and flexible. Simple as that.

Optimize your signature processes and drive your business forward.

Sign documents per mobile phone with a qualified electronic signature - conveniently and legally binding.
Digitize and automate complex signature flows.
Conclude legally binding contracts with customers or partners immediately, online, and at any time.
Or sign large volumes of documents efficiently, electronically, and all at once.


This is how you benefit from our solutions.

Electronic signature processes. Our strength - your benefit.

Use our online signing service.

Sign documents conveniently and online using our web interface.

primesign MOBILE - sign with an eIDAS-compliant qualified signature.

Get a personal qualified signature online & within minutes.

primesign MOBILE SEAL - our qualified electronic company seal.

Sign or seal documents as a company. Now also for EPREL registration.

Close client contracts immediately - online, lawful and at any time.

Within minutes. Simple and sophisticated.

Reach your target faster with digital signature flows.

Efficient, secure, and transparent.

Receipt signatures within the framework of the Cash Register Security Regulation (RKSV).

primesign signing solutions for the Austrian Cash Register Security Regulation.

Case Studies

primesign services and solutions for electronic signatures in practice.

Our products.

The foundation of our solutions.

About primesign.

Producer and provider of signature software and services as well as eIDAS trust service provider.