Longstanding expertise in plastic extrusion


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Jansen at Swissbau

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Mall of Switzerland
First plastic structure with Swiss Q-Plus certificate


JANSEN shark:
our worldwide innovation for your advantage


Competence from many years in plastic extrusion

We develop and produce solutions that do exactly what they are intended to do. Our plastic and profile systems are known for their quality, reliability, safety/security and cost effectiveness - even under extreme conditions. Technologies such as coating and coextrusion are our specialities. With our know-how and optimum production resources, we can also produce made-to-measure items for you.


Longstanding expertise in plastic extrusion

The inventive genius of Josef Jansen laid the foundations for the...

Jansen gewinnt den German Innovation Award

Jansen AG wins the German Innovation Award 2019 in Berlin

JANSEN hipress: The most powerful borehole heat exchanger in the world   ...

Exhibitions and events


Jansen plastic systems are versatile in use. As an integral part of any solution, they lead the way to its overall success. Take a look at our wide range.


In-house we develop, tailored to your needs, products that stand for Swiss quality, innovation, durability and energy efficiency.


We are a dependable partner. Even after completion, we continue to be there for you, offering support with our expert knowledge. See for yourself.

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In our download centre you will find detailed information on our products and services as well as useful documentation related to the topic references or tenders


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