This report provides a comprehensive analysis of organisational behaviour, comparing and contrasting the organisational structures and cultures of City College and a car rental enterprise. It examines the relationship between organisational structure, culture, and their impact on performance, evaluating factors influencing individual behaviour at work. The report delves into different leadership styles, comparing their effectiveness and explaining how organisational theory links to management styles. It evaluates the approaches used by both organisations and assesses the impact of leadership styles on staff behaviour. Furthermore, it explores motivational theories, group dynamics, teamwork factors, and the impact of technology on team functions, offering valuable insights into effective organisational management and leadership practices. The report concludes by synthesizing the findings and highlighting key takeaways for improving organisational performance.