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Locations

ISI Consulting Group GmbH

Our Group Head office is located at:
Goltsteinstraße 30-31
40211 Düsseldorf


ISI Management Consulting GmbH

Head office
Goltsteinstraße 30-31
40211 Düsseldorf

Branch office Stuttgart
Königstraße 26
70173 Stuttgart

Branch office Switzerland
Hauptstraße 18
CH 9422 Staad SG


Energy Systems Consulting GmbH

Head office
Goltsteinstraße 30-31
40211 Düsseldorf

Branch office Bochum
Feldstraße 26A
44867 Bochum


ESC Utility Services Private Limited

Subsidiary India
SBC 2310, Yamuna Building,
Technopark Phase 3 campus,
Trivandrum, Kerala,
695 583 India.


Digitalization for Utilities GmbH

Head office
Goltsteinstraße 30-31
40211 Düsseldorf