This report provides a comprehensive analysis of Tesco's business environment, focusing on the influence of macro-environmental factors. It begins with an introduction to business environments and defines macro factors, followed by an examination of different types of organizations, including profit-making, non-profit, private, public, and voluntary sectors, with examples. The report then explores the size and scope of organizations, categorizing them as micro, small, medium, and large, and analyzes their characteristics. Furthermore, it delves into the relationship between organizational functions such as production, purchase, marketing, finance, R&D, and HR, linking them to organizational structure and objectives. The core of the report involves a PESTEL analysis, assessing the positive and negative impacts of political, economic, social, technological, legal, and environmental factors on Tesco. Finally, the report includes an internal and external analysis of Tesco, evaluating its strengths, weaknesses, and their interrelation with external macro factors, culminating in a concise conclusion and references.