This report provides a comprehensive study on the different types of companies and business structures. It explores micro businesses, small businesses, medium-sized businesses, and large businesses, along with their operations. The report also delves into sole traders, partnerships, limited liability businesses, and cooperatives, discussing their characteristics and examples. Additionally, it examines how organizational structure affects business productivity and analyzes the external factors that impact business performance. A valuable resource for understanding the various aspects of companies and business structures.