The paper is focused on market orientation in the Czech Republic. Market orientation is very important and topical because of its influence on company results. In the first part of this paper there is a compilation of theoretical information about market orientation by authors working in this field. The second part describes two researches held in Czech companies during the last three years. The third part of this paper gives information about the current research project of the authors. The project is called Research on Implementation of Market Orientation in Hi-Tech Firms and is supported by Grant Agency of the Czech Republic (GA 402/07/1493). In this part there is the information about the aims of the project, its methodology and contributions. The last part of this paper points out the importance of hi-tech companies for the economy and also describes their characteristics. Possible future directions of the research project are emphasized in the conclusion of this paper.