This report investigates the impact of various leadership styles, including transactional, democratic, and transformational leadership, on the organizational performance of Tesco. The research employs an interpretivist philosophy and an inductive approach, utilizing a mixed research design that combines qualitative and quantitative data collection methods. Both primary and secondary data are gathered, with statistical analysis employed to interpret the findings. The report explores the relationship between different leadership styles and Tesco's performance, addressing leadership challenges and recommending effective strategies. The study includes a literature review, detailed methodology, data analysis, and findings, culminating in conclusions and recommendations for improving organizational performance. The report also considers ethical considerations throughout the research process, and includes survey results through questionnaires and charts.