This report comprehensively analyzes the business environment, focusing on Sainsbury and the National Health Service (NHS). It begins by defining the business environment and outlining the types, purposes, and legal structures of organizations, including public, private, and voluntary sectors, with examples. The report then examines the scope and size of different organizations, differentiating between micro, small and medium, and large enterprises, relating them to business objectives. It details the interrelationships between various marketing functions within an organization, such as marketing, finance, and human resources, highlighting how these departments interact to achieve business goals. The report further explores the positive and negative impacts of macro-environmental factors, including political, economic, social, and technological factors, on business operations, using Sainsbury as a case study. Finally, the report conducts internal and external analyses of Sainsbury and the NHS to identify their respective strengths and weaknesses, and explains how these strengths and weaknesses interrelate with external macro factors, providing a holistic view of their business environments.