This report provides a comprehensive analysis of the competitive strategy employed by the Commonwealth Bank of Australia (CBA). It begins with an introduction to business strategy and its importance in achieving organizational goals. The report then delves into a SWOT analysis of CBA, evaluating its strengths, weaknesses, opportunities, and threats, providing insights into its internal and external environments. Following this, the report applies Porter's Five Forces framework to assess the competitive dynamics within the Australian retail banking industry, examining the rivalry among existing competitors, the threat of substitutes, the threat of new entrants, and the bargaining power of buyers and suppliers. Finally, the report explores Porter's generic strategies, focusing on the cost leadership strategy adopted by CBA. The analysis highlights CBA's strategic positioning and provides a conclusion summarizing the key findings and the significance of strategic planning for the bank's long-term success, referencing the provided sources.