This report discusses the classification of business enterprises based on their size and scope of work. It explores micro, small, medium, and large size business enterprises, their characteristics, and examples. It also covers various types of companies from sole trader to cooperative. Additionally, it examines different organizational structures and how they affect revenue. Furthermore, it explains how external factors impact the performance of companies using the PESTEL analysis model. The report concludes with insights into Unilever's business structure and the external factors affecting its operations.