This essay comprehensively discusses strategy development tools, including PESTLE analysis, SWOT analysis, Porter's Five Forces, and the Ansoff Matrix, and their application in real-world businesses. It analyzes McDonald's using PESTLE, GlaxoSmithKline using SWOT, PepsiCo using Five Forces, and Apple Inc. using the Ansoff Matrix. The analysis highlights how these tools aid in understanding market environments, competitive positions, and growth strategies. The essay concludes with a summary of each tool's benefits in strategic decision-making, offering insights into their practical implications for businesses aiming for sustainable growth and competitive advantage. Desklib provides access to this and many other solved assignments for students.