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 requirements, for example of the automotive industry. See for yourself and take a look at the certificates of our locations in the following table.

DE | Frankfurt a. M. |
Knauf Interfer Stahl Service Center GmbH

Frankfurt a. M. Plant
Gutleutstr. 363-365
60327 Frankfurt a. M.
Germany

The supplier for thin sheet


Performance and product range:

  • Thin sheet
  • Strip sheet
  • Laser steel grades in hot rolled strip cut to length and hot rolled heavy plate
  • Stainless steel sheet

Here you will find an overview of the performance and product range of the Steel Service Centers.

Our Certificates are available for you to download here:

ISO 9001ISO 14001ISO 45001ISO 16247-1

We have been awarded the EcoVadis Silver Rating for our commitment to sustainability.

You can find all of our Group's certificates here.

Your contact:

Plant Manager
Jens-Olaf Grigoleit
+49 69 2541-273

Managing Directors
Domenico Marino
Fabian Messler
Thomas Niederhofer

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

Knauf Interfer Cold Rolling GmbH 

Siegel für das Nachhaltigkeitsrating EcoVadis in Bronze im April 2025 für die Knauf Interfer Cold Rolling GmbH.  CDP-Badge mit Note B in der Kategorie Klima für das Jahr 2025

Knauf Interfer Galvanising GmbH & Co. KG

Knauf Interfer Stahl Service Center GmbH

Knauf Interfer Aluminium GmbH

Knauf Interfer Galvano GmbH & Co. KG

Siegel für das Nachhaltigkeitsrating EcoVadis in Silber im Januar 2026 der Knauf Interfer Galvano GmbH & Co KG.

Contact

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We are looking forward to
your enquiry.