We design individual solutions. Create unique structures with us.

Jansen gives architecture new inspiration


Architects' Darling Swiss Edition – Jansen awarded with gold for its doors

In a repeat of its achievement in 2021, Jansen once again won a golden…

The new JANIsoft update 2022 R3 is here!

A new JANIsoft software version is now available. The release of the new…

Fairs and events

17.04.23 - 22.04.23

BAU 2023



We develop and produce components for profile systems for windows, doors and facades in steel and stainless steel for all kinds of applications.


Every building tells its own history. These histories are written by creative hands and heads - with our steel systems.


We offer you a full service from planning to comprehensive after-sales services - with BIM, JANIsoft, technical advice and training.


In download centre, in addition to detailed information about our products and services, you can find useful documents about fabrication, assembly and installation.


In our media centre we provide media information and photographic material on the business, the products, events and references.