This research project critically evaluates the business strategies and functions of ASOS.com, a leading online retail shopping sector based in the United Kingdom. The project analyzes the impact of the macro environment on ASOS.com using PESTLE analysis, assesses the company's internal environment and capabilities through SWOT analysis, and applies Porter's Five Forces model to evaluate the competitive landscape. The research also explores the application of strategic management theories, including resource-based theory, resource dependency theory, and institutional theory, to understand and interpret the strategic directions available to ASOS.com.