This report provides a comprehensive analysis of organisational behaviour, focusing on the impact of culture, politics, and power on individual and team performance within Tesco, a British multinational retailer. It examines various organisational cultures through Handy's model (Power, Role, Task, and Person culture) and recommends a role culture for stability and task distribution. The report also discusses the negative effects of organisational politics on employee attitude, stress levels, and productivity. Raven's model is used to understand power dynamics, suggesting reward power to motivate employees. Furthermore, the report delves into content and process theories of motivation, including Maslow's Hierarchy of Needs and Herzberg's Two-Factor Theory, highlighting their application in achieving organisational goals. It also addresses team development theories and philosophies, assessing their relevance in enhancing business execution and production. The report concludes by emphasising the importance of a healthy and supportive work environment for optimal performance.