This study was conducted to evaluate the effectiveness of entrepreneurial marketing aspects (including forecasting, opportunity-seeking, innovation, leverage resources, value creation, risk-taking and customer orientation) on the success of knowledge-based companies in the Science and Technology Park of Yazd city. Current study in terms of purpose has been applied and descriptive – survey and in terms of data collection method is a combination of library, field and survey methods. The study population included all managers of companies in the Science and Technology Park of Yazd city. The sampling method used in this study is stratified sampling. The data collection tools in this study were a questionnaire. In such a way that standard questionnaire has been used to measure entrepreneurial companies studied marketing. Correlation and regression test results obtained from the analysis of research data using SPSS software and of these seven dimensions, dimensions of innovation has more relationship with the corporate's success.