This report explores the principles of organizational behaviour and their application in the context of Tesco, a leading retail giant. It delves into the influence of organizational culture, politics, and power on individual and team behaviour, examining how these factors impact performance. The report further analyzes content and process theories of motivation, evaluating their effectiveness in achieving organizational goals. It also investigates the role of leadership styles, team development theories, and contemporary barriers to effective behaviour in shaping organizational dynamics. By applying these concepts to Tesco, the report provides insights into how organizations can foster a positive and productive work environment.