STYK, Viliam Samuel: Analysis of costs of quality in selected company. Diploma thesis. Zvolen: Technical University in Zvolen, Faculty od Wood Science and Technology, Department of Enterprise Economy, Management and Business, Supervisor: Ing. Pavol Gejdoš, PhD., Zvolen, 2019, 79 p.The main aim of the diploma thesis was to identify costs of quality and evaluate them subsequently. The theoretical part contains information about economy of quality, economic aspects of quality management, costs of quality and models, methods and approaches used for analysis of quality costs. In the practical part we applied the PAF method, we sorted identified items of costs into particular subgroups and consequently we have evaluated them by the use of the method of ratio indicators. In the last part of the diploma thesis we proposed measures for continuous improvement of quality in selected company.