This report provides a comprehensive analysis of competitive strategy tools, including PESTLE, SWOT, Porter's Five Forces, and Ansoff Matrix, applied to the case of Common Bank of Australia (CBA). The report begins with an introduction to the importance of strategic tools in business growth and outlines how management uses them to navigate uncertainties. The PESTLE analysis examines the external macro-environmental factors affecting CBA, considering political, economic, social, technological, legal, and environmental factors. The SWOT analysis identifies CBA's strengths, weaknesses, opportunities, and threats, providing a structured approach to internal and external assessments. The Porter Five Forces model evaluates the competitive forces within the banking industry, including the threat of new entrants, bargaining power of suppliers and buyers, threat of substitutes, and rivalry among existing competitors. Finally, the Ansoff Matrix is used to explore market penetration, product development, market development, and diversification strategies for CBA, providing insights into its growth potential. The report concludes by summarizing the value of these strategic tools in helping CBA gain a competitive edge and proactively respond to market dynamics.