The complaints procedure of the Supply Chain Due Diligence Act allows you to point out human rights and environmental risks as well as violations of human rights or environmental obligations caused by the economic actions of a company in its own business sector, a direct or indirect supplier.

Contact details

You can submit your complaint electronically at or personally by calling +49 (0) 541 9989 14255 from Monday to Thursday (08:00 to 17:00) and Friday (08:00 to 13:00).


You can find the complaint procedure in the file below.

Code of Conduct for Suppliers


Policy statement WM SE


Complaints procedure WM SE