This report provides an overview of different types of organisations, including private sector, public sector, and voluntary organisations. It discusses the growth of the international business environment and profiles three chosen organisations: Tesco, National Health Service (NHS), and Oxfam. The report also critically analyzes how the structure, size, and scope of each organisation link to their business objectives and the products/services they offer. Additionally, it provides a detailed explanation of the functions in one of the chosen organisations, focusing on the HR and Finance Department in Tesco. Overall, the report highlights the importance of strong entity relationships among functional units for enhancing productivity and profitability.