Experienced Experts

We work in a network with approx. 15 experts from the fields of interface design, media design, industrial design, graphic design, ergonomics as well as IT. Therefore, we can offer you an effective team for your requirements.

Close to the customer

The Coolgrey User Interface Design GmbH is a small design company specializing in the conception and design of easy-to-use software interfaces.

In experienced teams we are working on software projects and product developments very closely and personally together with our clients.

We offer dedicated, competent and flexible cooperation. You have one contact person continuously, who develops in a pragmatic way an individual solution with you.


Managing Director and Head of Design of the Coolgrey User Interface Design GmbH is Bernhard Prümper:

- Longtime experience in many projects and
  development of products with renowned clients

- Lectureships and speeches at
  Hochschule für Gestaltung Offenbach am Main,  
  Hochschule Darmstadt,
  Hochschule Mainz,
  Universität Würzburg,
  Fachhochschule Würzburg
  et al.

Bernhard Prümper
Managing Director