When setting up activities in the inner circles of the circular economy - remanufacturing, refurbishing, retrofitting, repair, parts harvesting, etc.- there is a need for cooperation between companies. In almost all cases, there are activities that cannot or will not be carried out by one single organisation. So, as a first step, you need to find the right partner(s) to set up a successful collaboration. In this article, we will discuss how to detect and find the right partner(s).