This article discusses the positive and negative impact of macro environment on business organizations. It explores the use of the PESTLE model for analyzing the external factors affecting a business. It also applies the PESTLE model to a chosen organization, TESCO, and evaluates its strengths, weaknesses, opportunities, and threats. Additionally, it examines how the strengths and weaknesses of a business are related to external macro factors. Finally, it evaluates the impact of micro and macro factors on business objectives.