This report, prepared for the Business in Practice module (BMP3002), analyzes various aspects of business operations and structures. It begins by defining and differentiating between micro, small, medium, and large businesses, providing examples and highlighting their key characteristics. The report then explores different legal structures, including sole traders, partnerships, limited liability companies, public limited liability companies, and cooperatives, offering definitions, characteristics, and examples for each. Furthermore, the report delves into organizational structures and their impact on productivity, followed by a PESTLE analysis, examining the political, economic, social, technological, legal, and environmental factors affecting business performance, with a specific focus on Unilever. The report aims to provide a comprehensive understanding of business types, structures, and the external factors that influence their success.