Title of certificate: “Certificate of Conformity with German Supply Chain Due Dilligence Act”
In the footer the supplier-check website
Maybe a small and nice icon symbolizing a certificate, but this is up to you
Text of the certificate: “Supplier-Check hereby certifies, that [Company Name] is at the 1st of September 2022 conform with the German supply chain due dilligence act with respect to publicly known violations in the areas of human rights and environmental protection.