This essay examines three crucial strategy development tools: SWOT analysis, Porter's Five Forces, and the resource-based view. The essay begins by defining and explaining each tool, detailing their application in business contexts. Porter's Five Forces analysis is applied to EasyJet, evaluating the airline's competitive landscape by assessing the threat of new entrants, bargaining power of buyers and suppliers, threat of substitutes, and competitive rivalry. The resource-based view is illustrated through the example of Coca-Cola, analyzing how the company leverages its unique resources, such as brand image, to achieve a competitive edge. Finally, SWOT analysis is exemplified using Nestle, highlighting the company's strengths, weaknesses, opportunities, and threats. The essay emphasizes the importance of these tools in strategic planning and achieving business goals in a competitive market.