This report provides an overview of the different types of companies in the economy, including micro, small, medium, and large businesses. It discusses the characteristics and structures of each type of company and explores how they impact the economy. The report also examines the external factors that affect business performance, such as political, economic, social, technological, environmental, and legal factors. Additionally, it highlights the importance of organizational structure and the use of PESTLE analysis in business planning and decision-making.