KMECOVA, Juliana: Quality assurance of suppliers in selected organization: : [Bachelor thesis] – Technical university of Zvolen, Department of Business Economics, Supervisor: Ing. Pavol Gejdos, PhD. Zvolen: TU, 2018, 38p.The aim of the thesis is to evaluate the suppliers of the selected organization. In the theoretical part, we will deal with the basic concepts that are crucial in this work, as well as the history of quality. Based on the knowledges , we will analyze our suppliers in the practical part and try to find a suitable rating system. First of all, we characterize Rimadrev s.r.o., which will be the object of work. Next, we will approach its suppliers. Based on the proposed rating system, we evaluate the suppliers of the company, evaluate the results obtained and, in the end, propose measures to improve the status and further control.