Logo Weissenseer

Weissenseer – had always accepted our companies leading role in progression of the building industry to efficient building insulation. Over the year we have become the leading passive construction company in Austria and Europe.

Building intelligent skins – Weissenseer’s main goal is to help in the creation of an energy efficient, sustainable and affordable space to live and work, while at the same time preserving our planets resources. Research and development are central missions in our daily work aiming to provide our clients with “autarc buildings” in the near future.
Logo Josko

Josko – is the all-in supplier of windows, exterior doors, interior doors and all-glass systems. Since 1960 Josko has been pursuing clear objectives: best product quality and the highest demands in terms of design and innovations. Many of the Josko trends have already been adopted throughout Europe.

For 50 years Josko has stood for windows and doors which always conform to the most recent level of quality, technology and design. This results in products which Josko has turned into some of the strongest brands on the Austrian and European window and door market.