About us

Company

2004
Foundation of the engineering office „Ingenieurbüro Pfeiffer“

2007
Extension to the engineering office for process engineering „Ingenierbuero für Verfahrenstechnik Hellmick und Pfeiffer GbR“

2011
Change of legal form by founding heat and power engineering GmbH (limited liability company)

2018
Siegfried Spitaler joins the board of management

2024

Siegfried Spitaler takes early retirement. He will remain with the company as Senior Advisor.

StaffMerken

Dirk Pfeiffer
Managing Director
+49-711-120019-10

Klaus Hellmick
Managing Director
+49-711-120019-20

Siegfried Spitaler
Senior Advisor
+49-711-120019-40

Stephanie Dieringer
Design, HSE & QA
+49-711-120019-30

Andreas Dangel
Design, QA
+49-711-120019-23

Tobias Schenk
Design, Technical Documentation
+49-711-120019-22

Andrej Owertschuk
Design, Site Management
+49-711-120019-25