The first part of the thesis compiles theoretical insights on the research topic, including operational efficiency, its evaluation, influencing factors, promotion possibilities, and the efficiency of the personnel selection process. The second part of the thesis is dedicated to the characterization of the studied company, covering the company's main areas of activity and results, as well as describing the main business processes related to personnel selection. In the third section, a practical study is conducted on the efficiency of the company's operations and the sailor selection process. It includes an analysis of the company's performance indicators, a comparison with industry averages, and an analysis of survey results. Based on the research findings, recommendations are provided to the company with the aim of improving its efficiency.