Catalogue of the Best Practices of the Región de Murcia's Businesses in Circular Economy is an interactive tool that serve to inspire by collecting success cases as reference points for solutions, optimal industrial processes, and green business models which can serve as a guide, motivation, and source of learning to drive the circular transition. These Best Practices have been categorised and validated by experts at CETENMASome of the circularity criteria are partially based on the Catalogue of Best Practice in the Circular Economy of the Ministry for the Ecological Transition and the Demographic Challenge (MITECO). INFO and CETENMA are grateful for the collaboration of the people, businesses, and institutions for their contributions to the creation of the catalogue.