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on/off engineering gmbh

Company Profile

Reliable, Competent, Flexible

With process automation getting more and more complex all the time, a reliable, competent and flexible partner is needed who can offer solutions that are tailor-made to individual needs.– and in every phase of developing a facility.

Our comprehensive product portfolio and service concept can handle every challenge facing process engineering at a facility – with the one goal of increasing productivity, reliability and quality.

on/off engineering gmbh

We can support you in this:

Whether large, mid-sized or small; whether food, pharmaceutical or natural gas – we're flexible when we work on projects which are constantly re-adapted to ensure we meet the requirements of our customers. Long years of project experience with experts for all project areas make on/off engineering gmbh a professional partner for all your process automation and information technology needs.

on/off engineering gmbh was founded as a product and system-independent engineering company for automation technology in Hanover, Germany in 1988. Since then, we have developed into a leading service provider of process automation engineering.

on/off engineering gmbh currently employs more than 120 people. With branch offices in Germany and Europe, we're always nearby.


Contact Information


on/off engineering gmbh
Niels-Bohr-Str. 6
D-31515 Wunstorf

Phone: +49 5031 9686 -0
Fax: +49 5031 9686 -96

Your contact:

Managing Director:
Rolf Arneke
Phone.: +49 5031 9686 - 0
E-Mail: rolf.arneke@onoff-group.de

Dipl.-Ing. Hartmut Dietrich
Phone.: +49 5031 9686 - 0
E-Mail: hartmut.dietrich@onoff-group.de

Sales Director:
Gunnar Kahl
Phone.: +49 170 37686 84
E-Mail: gunnar.kahl@onoff-group.de