This report provides a detailed analysis of macro environmental influences on businesses, encompassing various sectors including private, public, and voluntary organizations. It begins with an introduction to business environments, both internal and external factors, and the impact on company growth. The report then delves into the specifics of private, public, and voluntary sectors, offering examples such as Ryanair, NHS, and Shelter Charity, and discussing their legal structures and purposes. It explores the differences in size and scope among organizations, with examples from the UK. Furthermore, the report covers organizational functions, including finance, marketing, human resources, and research and development. It highlights the importance of interdepartmental relationships for effective business operations. The report also includes PESTLE analysis to assess the external factors. Finally, it concludes by summarizing the key findings and references.