language.1   language.1

Welcome to team steffenhagen consulting


Thanks for trying to reach out to team steffenhagen consulting.

Due to COVID-19 and the disruption it brought to our exciting development, we have repositioned, restructured, and renamed the company and we have sharpened our profile.

team steffenhagen consulting has turned into DOUBLE LOOP GmbH.

With our training, coaching and consultancy services we support you in

  • creating value for and with your customers,
  • communicating value,
  • selling the value as well as in
  • capturing value with your price management.

With a strong focus on B2B manufacturing businesses. Online and offline.

This is where you can find us now and where you can learn what Double Loop stands for:

We continue to operate from our office in Aachen and our new contact details will be as follows:

Double Loop GmbH
@ Double Loop Lounge
Theaterstraße 13
52062 Aachen
Phone: + 49 241 97876-0

Our email addresses will e.g. change from to

Olaf Lange has resigned and left the company at the end of June 2020. He still represents the topics organization, responsibility, and leadership: under his own new brand and in cooperation with us. You may contact him by phone (+49 173 267 8600) and until end of September still by his old e-mail address

Please, don’t hesitate to get in touch with us if you have any questions. We are looking forward to our future cooperation.

Dr. Ralf Schmidt
Double Loop GmbH