Dissertation focuses on standardization processes of purchase in relation to the production of the company XYZ s.r.o. The dissertation has three parts. The first one is theoretical knowledge of the purchasing process and supplier selection. The second is about a description of the company and analysis of the current state in purchase. In the third part is proposed appropriate measure to improve the purchasing process and proposal for purchasing standards.

This Master's thesis is focused on the purchase of XYZ Company, Ltd. The first section provides theoretical knowledge necessary to understand the issue, in the second part is analysis of business processes performed. Based on the observed conditions were evaluated insufficient process – supplier evaluation. That is why a new complete procedure for the evaluation of the suppliers was suggested

The diploma thesis is focused on the performance evaluation of key suppliers in the terms of quality in selected cosmetic company. The aim of this thesis is to propose a solution of the assigned project task, based on short-term internship and theoretical knowledge, concerning the graphical visualization of key suppliers performance evaluation. The work is divided into theoretical and practical part. The theoretical part describes basic information about management quality system, it´s principles, conceptions and tools. There is also a closer look at the importance of purchasing department and the suppliers performance evaluating methods. The practical part includes characteristics of selected cosmetic company and processes of the quality control department are described, including laboratory tests. Withing the given project, the practical part is further divided into 6 tasks. The main task involves designing a platform for a simple and effective evaluation of the key suppliers performance in terms of quality. Other sub-tasks involved the compilation of strategic suppliers, a proposal for categorizing suppliers, and for the needs of the organization, also a procedure for communication with suppliers in case the quality requirements were not met.

Every organization, that wants to be competitive in the market, must constantly improve and find new, better and smarter procedures of individual processes. This thesis describes and analyses the existing quality management system of the suppliers selection and evaluation process in the medium sized engineering company. The work contains recommendations and suggestions for possible improvements of the system.