This report provides a comprehensive analysis of Primark, an Irish fashion retailer, evaluating the impact of both internal and external environmental factors on its performance. The report begins with an introduction to Primark and its business model, followed by a detailed examination of internal factors using a SWOT analysis, highlighting strengths, weaknesses, opportunities, and threats. The main body then delves into external factors using a PESTLE analysis, assessing the political, economic, social, technological, legal, and environmental influences on Primark. The report further discusses the ways in which Primark can impact external environmental factors, such as complying with laws, promoting sustainability, and adapting to social and technological changes. The conclusion summarizes the key findings, emphasizing the importance of strategic planning and adaptation to ensure Primark's continued success. The report references relevant academic sources and journals to support its analysis.