This report provides a comprehensive analysis of organisational behaviour within TESCO. It begins by evaluating the influence of organisational politics, power, and culture on individual and team behaviour, referencing Handy's Typology and Raven's power types. The report then assesses how content and process theories, specifically Maslow's Hierarchy of Needs, can aid in achieving organisational objectives. Furthermore, it explores measures contributing to team effectiveness and ineffectiveness, along with relevant team and group development theories. Finally, the report applies various philosophies and concepts related to organisational behaviour, offering a critique of their impact. The conclusion summarizes the key findings, emphasizing the importance of positive organisational practices for employee motivation and overall performance. The report aims to provide insights into how TESCO can optimize its organisational behaviour strategies for improved outcomes.