This report provides a comprehensive analysis of the business environment, focusing on three distinct organizations: Tesco, NHS, and Oxfam. It begins by defining the business environment and categorizing organizations into public, private, and voluntary sectors, with Tesco representing the private sector, NHS the public sector, and Oxfam the voluntary sector. The report examines the interrelationship between various organizational functions within each entity, including marketing, finance, human resources, and research and development. Furthermore, it delves into the impact of macro-environmental factors such as political, economic, social, technological, legal, and environmental influences on Tesco's operations, utilizing PESTLE analysis. The report also conducts a SWOT analysis of Tesco, correlating its strengths and weaknesses with external macro factors to provide a holistic understanding of the company's strategic position. The analysis covers the types of organizations, their purposes, and their size and scope, as well as the interplay of different organizational functions and the impact of the macro environment on business functions. The report concludes with a summary of the key findings and their implications.