The main purpose of this thesis is the analysis of communications and communication tools in small and large business. The thesis is divided into theoretical and practical part. The theoretical part is focusing on communication from the perspective of "ordinary" people and businesses. It is divided into the following parts: Communication, Corporate Communications. The practical part includes the methodology for the evaluation of communication tools in both companies, the characteristics of both companies, internal and external communication and tools in small and large businesses, including assessment, functions and skills of a business manager with an emphasis on communication. Evaluation of communication tools in both companies is based on the methodology created in this thesis. The evaluation conclusions are drawn and recommendations suggested. The main contribution of this thesis is an analysis of companies, and evaluation and recommendations.

This master’s thesis evaluates whether at all and at what level the Czech republic and Sweden meet the Maastricht criteria, because this is a necessary condition for adopting the single currency euro. The theoretical part of this thesis will be focused at theoretical basis, which means the European Union and its history, monetary union and individual convergence criteria. Analysis of actual situation of meeting the Maastricht criteria and analysis of preparedness medium and large business to adopt the single currency of the euro will be realized in next part of this thesis.