SIEGENIA-FRANK

Advancement through change

SIEGENIA-FRANK’s history stretches over four generations and is characterised by continuous change. This change has always been focused on the particular needs of that time. Throughout all its development phases SIEGENIA has succeeded in setting trends with innovative products thereby creating clear competitive advantages for the company and its partners.

Even before the merger with AUBI Hardware GmbH in 2003, SIEGENIA-FRANK KG was among the European market leaders for window hardware and modern ventilation technology. With around 1,200 employees in Germany and abroad, the company was already represented then in all the important markets.

Since 1988: Wieland Frank
Under the leadership of Wieland Frank, Wilhelm Jaeger’s great-grandchild, SIEGENIA is well on the way with its product developments to satisfy people’s growing need for a pleasant climate in their living space.

1947 - 1988: Gerhard Frank
After the second world war the rebuilding work meant there was a large need for building components so Gerhard Frank, the founder’s grandson, developed the company to one of the leading hardware suppliers for the window trade and industry in Europe.

1919 - 1947: Adolf Frank
Stepson Adolf Frank change the product range more and more towards ironmongery goods and hardware for the German furniture industry.

1914 - 1919: Wilhelm Jäger
Originally the company, which was founded by Wilhelm Jaeger, manufactured container bases for the apparatus industry located in the Siegerland region of Germany.