The main purpose of this study is to examine the effect of leadership competencies on project success at EABSC. The goal of the study is to identify five elements of leadership competencies and explore how these competencies influence project success. This study uses an explanatory research design. The survey is aimed at a group of 75 people who are involved in the execution of EABSC projects. The data for this study is gathered using a questionnaire created in conjunction with the mentioned papers and relevant journals. Statistics methods such as frequencies, percentages, means, standard deviations, correlational matrix, normality test, and regression analysis are used to collect and analyze quantitative data. In addition, to establish the relationship between the dependent and independent variables, the study uses an analytical hierarchical procedure. Content analysis was used to analyze qualitative data. The research found that all five leadership characteristics have a favorable and significant impact on the performance of EABSC projects to varying degrees. The data revealed that, of the five leadership qualities, leadership traits had the greatest impact on project success, while leadership control had the least impact