The Pirnay Group has provided expert services to the construction sector in Belgium and internationally for over 60 years.
An engineering firm with a human touch
A family and engineering story
Founded in 1968 by Marcel Pirnay, the firm now employs over thirty people.
The Pirnay Group comprises three complementary entities:
- Pirnay SA, specialising in structural and civil engineering
- Poly-Tech Engineering SA, focusing on building services and energy performance
- S2 Engineering SRL, specializing in sustainable development
This multidisciplinary approach enables us to support complex public and private projects through joint ventures, subcontracting or integrated project delivery teams.
Brief history
1968
Establishment of the Pirnay Design Office
1978
Establishment in Charleroi
1997
Founding of Poly-Tech Engineering
2005
Jean-Sébastien Pirnay becomes CEO
2014
Establishment of the Brussels headquarters
2025
Founding of S2E
Jean-Sébastien PIRNAY
Chief Executive Officer
Dror ZEIGER
Managing Director
Frédéric ALSTEEN
Technical Director
Vacancies
We always welcome unsolicited applications from engineers and drafters. Applications can be sent to the following address: info@bepirnay.be
