The service industry in the UAE is highly competitive, and the success of projects in this sector depends on effective leadership competencies. This study evaluating leadership competencies for the successful delivery of projects in the UAE service industries. While project management and leadership are distinct, project managers can enhance their skills by developing leadership capabilities through creativity and innovation. Team performance is critical in both project management and leadership, and key leadership skills such as motivation, inspiration, listening, influencing, and team building are crucial for project managers. However, many service industry projects in the UAE fail due to inadequate leadership styles, project procedures, and methods. This research emphasizes the importance of identifying top leadership competencies, including emotional intelligence (EA), managerial ability (MA), and intellectual ability (IA), to ensure successful project implementation in the UAE service industries. The evaluation of leadership competencies can contribute to effective project delivery, enhancing the performance and success of projects in the UAE service industries. The findings of this study can assist service industry organizations in the UAE to identify the critical leadership competencies required for project success and provide a framework for enhancing the leadership skills of project managers.