Today, businesses encounter a rather difficult and diverse competition arena. Some changes in structure and quality of competition require businesses to have different abilities and characteristics. After these changes, the businesses will be able to succeed as long as they benefit from different abilities and skills of their employees. In this context, they have employees with different characteristics. Thus, businesses will be able to survive in a competitive environment and gain competitive advantage against their competitors. In this study, perceptions of 183 KOBI employees were investigated related to the impact of management of differences which is becoming increasingly important in Turkey on competitive strategies of businesses. In the study which was carried out within the scope of quantitative research design, data were collected and analyzed by sampling method and online survey. As a result of the analyzes, it has been determined that individual attitudes and behaviors which are dimensions of management of differences and organizational values and norms make a positive contribution in explaining competitive strategies while dimension of managerial practices and policies make a negative contribution.