History

- Founded in March 1998 as engineering office „Gräf und Partner GbR“
- First great kick-off with the „Hallen am Borsigturm“ project in September 1998
- Founding of IGP Projekt GmbH in 2001
- Rebranding in IGP Ingenieur AG in 2001
- First activity abroad in London in 2002
- Founding of affiliated companies in May 2014
- Founding of IGP branch in Cologne in May 2015
- Founding of IGP branch in Munich in February 2016
- Founding of IGP branch in Dusseldorf in January 2017
- Acquisition of SAA Schweger Architekten in September 2018
- Rebranding in IGP Ingenieur GmbH in December 2021