We are fully vaccinated.

Feel free to visit us in Wuppertal or preferably call us and ask for an appointment without any worries e.g. for a course at the KELLER.Academy.. Safety is our priority. 

Incidentally, the vaccination appointments were organised via the company so that everyone gets fully vaccinated as soon as possible and you can have your peace of mind if you need to visit us.


Do you have any questions?

Our experts are at your disposal. We look forward to your inquiry!

Jürgen Wollny

    Mr.Ms.

    This might also be of interest to you

    Happy Easter 2025!

    Happy Easter from the KELLER.Software team! 🐰 This year, we’ve wrapped up our Easter greetings a little differently: Our apprentice came up with the idea to design an Easter bunny using the geometry…