The theme of the diploma thesis is "Trade Enterprise". The objective of the thesis is to evaluate trade enterprise in competence of the Municipal Trade Licensing Authority in Karlovy Vary and the Municipal Trade Licensing Authority Ostrov nad Ohří (Karlovy Vary Region), to identify the current problems occurring in entities carrying out their trade enterprise upon a trade license and to propose measures for their elimination. The first part of the diploma thesis contains description of the Trade Licensing Law in the Czech Republic, including its development and amendments. Attention is also paid to trade enterprise within the European Union. In the other part of the diploma thesis, analysis of trade enterprise in the Karlovy Vary Region is carried out, comprising a questionnaire survey among trade entrepreneurs, followed by evaluation and interpretation of the found out results including proposed measures to eliminate the found out problems.