Certificates

We are certified

As a leading distributor, processor and service provider of aluminium and steel in Europe, quality is more than just a company principle to us. Our customers can rely on our products and services. This is also confirmed by the certifications according to the highest requrements, for example of the automotive industry. See for yourself and take a look at the certificates of our locations in the following table.

We have been awarded the following EcoVadis ratings for our commitment to sustainability.

Knauf Interfer Stahl Service Center GmbH

Knauf Interfer Galvano GmbH & Co. KG

Siegel für das Nachhaltigkeitsrating EcoVadis in Bronze im November 2024 der Knauf Interfer Galvano GmbH & Co. KG.

Knauf Interfer Aluminium GmbH

Knauf Interfer Cold Rolling GmbH 

Siegel für das Nachhaltigkeitsrating EcoVadis in Bronze im April 2025 für die Knauf Interfer Cold Rolling GmbH.

Contact

Please use our contact form.
We are looking forward to
your enquiry.