This report provides a comprehensive analysis of TESCO's business environment, covering various organizational types, including public, private, and voluntary sectors, along with their respective legal structures. It explores the size and scope of these organizations, focusing on TESCO as a case study. The report delves into the relationship between different organizational functions and their interconnections across various departments, such as HR, Sales & Marketing, and Finance. Furthermore, it examines the positive and negative impacts of the macro environment on business operations, utilizing PESTLE analysis to assess political, economic, social, technological, legal, and environmental factors. The internal and external analysis of TESCO is undertaken to identify strengths and weaknesses, and how these relate to the external macro factors. The report concludes with a summary of the findings and recommendations for future business strategies.