This report, prepared for the module BMP3002 (Business in Practice), provides a comprehensive overview of different types of companies and their operational characteristics, including micro, small, medium, and large businesses. The analysis extends to various business structures, such as sole proprietorships, limited liability partnerships, partnerships, cooperatives, and public sector organizations, detailing their definitions, characteristics, and examples. Furthermore, the report investigates the impact of internal and external factors, such as political, economic, social, and technological factors, on business decision-making, illustrated through the case of Nestle. It also explores business organizational structures like functional hierarchical and divisional structures. The report concludes with a synthesis of the findings and emphasizes the importance of legal compliance, effective communication, and adaptability to the business environment for organizational success.