For us, a certification is more than just fulfilling a norm. To meet our high requirements, we are constantly developing our quality management so that we can continue to make our products and services even better for you. As a result, we are a reliable and strong partner for our customers and suppliers.

Certified in accordance with ISO 9001:2015

An independent evaluation, such as a certification through TÜV Süd Management Service GmbH, is a valuable and indispensable element when you place the highest demands on yourself and on your services. For this reason, we are certified in accordance with ISO 9001:2015. Further information is available from:


In-house production control
in accordance with EN 1090

Our in-house manufacturing is certified in accordance with EN 1090 for steel and aluminium structures. As such, we are able to guarantee a high level of safety and quality. Further information is available from:

Certified specialist company
for Lock Antriebstechnik GmbH products
in garden constructions

Further information is available from:

Specialist company for VARIOLUX
for the treatment of Sapa Variolux systems

Further information is available from: