Due to changing procurement policies and procurement markets, suppliers increasingly face evaluation of their holistic supplier performance. In this context, the assessment of financial strength is increasingly emphasized. Hence, (potential) suppliers are required to prove their financial soundness towards the assessing (potential) corporate customer. Traditionally, such evidence was only to be offered to banks that create compulsory internal credit ratings. The goal of this paper is to compare procurement in voluntary supplier performance evaluation, particularly the assessment of financial strength, with the procurement when creating compulsory internal ratings by banks. This should on the one hand identify potential concordances and inte...