This research paper explores the interplay of leadership style, organizational culture, and management practices within Tesco PLC, a leading multinational grocery retailer. Through a case study analysis, the paper examines how these elements contribute to the company's success and identifies areas for improvement. The research delves into the history of Tesco PLC, its business summary, and the rationale for choosing it as a case study. It then analyzes the company's vision, leadership style, management practices, and organizational culture, highlighting the influence of these factors on business functions. Finally, the paper provides recommendations for enhancing Tesco PLC's leadership, management, and cultural practices to further optimize its performance.