This document provides an overview of different types of companies and how they operate, including micro and small businesses, medium-sized businesses, and large corporations. It explains the organizational structure of sole traders, partnerships, limited liability partnerships, and cooperatives, and discusses how these structures can impact business productivity. The document also explores the external factors that can affect business performance through a PESTLE analysis, including political, economic, social, technological, legal, and environmental factors. The content is relevant to the BSc (Hons) Business Management course (BMP3002) at Regent College.