This report provides a comprehensive analysis of organisational behaviour, comparing and contrasting the structures, cultures, and leadership styles of City College and Enterprise Rent-a-Car. The report begins by examining the organisational structures of both entities, highlighting the differences between City College's tall structure and Enterprise's flat structure. It then delves into the relationship between organisational structure, culture, and their impact on performance, discussing factors influencing individual behaviour at work, such as leadership style, job satisfaction, and personality characteristics. The report further explores the effectiveness of different leadership styles, linking organisational theory to management styles and evaluating the management approaches employed by both organisations, including bureaucratic and modern approaches. Additionally, the report discusses the impact of leadership styles on motivation during periods of change, applying various motivational theories such as McClelland's theory to both City College and Enterprise. The report also examines group behaviour, team effectiveness, and the role of technology in business success. The report concludes by synthesizing the key findings and offering insights into the effective management of organisational behaviour within the context of the two organizations.