This report provides an analysis of organisational behaviour, focusing on the impact of organisational culture, politics, and power on individual and team performance within the context of Marks and Spencer. It evaluates content and process theories of motivation, including Maslow's hierarchy of needs and equity theory, and examines motivational techniques for achieving organisational goals. Furthermore, the report explains the characteristics of effective teams and analyses team development theories, such as the role culture, power culture, and task culture, to support cooperation within teams. The application of organisational behaviour concepts and philosophies within a given business situation is also discussed, evaluating how these concepts influence behaviour and improve business performance and productivity.