Siegenia was established over a hundred years ago in Germany by the then founer Wilhelm Jäger in 1914. It is today led by Wieland Frank. The headquarters are based in Wilnsdorf-Niederdielfen, Germany. It remains a family business now in its fourth-generation.
Presently Siegenia – Aubi operates in 80 countries around the world with over 2,800 employees worldwide involved in sales and production.
Today it is one of the world’s leading manufacturers of Tilt and Turn windows and Tilt and Slide Balcony and Patio Doors.
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