SIEGENIA GROUP
Wholesale Building MaterialsNorth Rhine-Westphalia, Germany201-500 Employees
SIEGENIA GROUP is a wholesale building materials company based in Wilnsdorf, North Rhine-Westphalia, Germany. It develops and supplies a broad portfolio of products and systems for windows and doors, focusing on solutions that enhance room comfort through hardware, ventilation and related building technology. Founded in 1914 by Wilhelm Jäger and now led by the fourth generation, the group operates multiple production and distribution sites both in Germany and abroad. Its customers are manufacturers and installers in the window and door sector seeking integrated, end-to-end solutions, including security services and window repair provided by affiliated entities. The company occupies a position in the wholesale building materials industry by offering a comprehensive set of hardware, ventilation and building-technology solutions for modern living. In 2025, SIEGENIA GROUP announced a collaboration with ArgillaTherm to present an all-in-one solution featuring decentralised ventilation technology and natural air-handling ceilings for hotel applications.
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