This report discusses three of the most widely used strategic management tools - PESTLE, Porter's Five Force Model, and SWOT Analysis - and how they can help organizations gain a competitive advantage in their industry. PESTLE analysis helps organizations gain insight into the political, economic, socio-cultural, technological, legal, and environmental factors that impact their business. Porter's Five Force Model helps organizations understand the level of competition in their industry. SWOT analysis helps organizations gain a deeper insight into their internal and external environment. Examples of each tool are provided, along with their application in real-world scenarios.