This article discusses how companies can gain an edge over competitors through sustainable competitive advantage, focusing on performance and innovation. Competitive advantage is crucial for company survival in fast-changing markets. By following strategies outlined in Michael Porter's book, companies can create and maintain a sustainable competitive advantage, leading to increased performance and competitiveness. It emphasizes the importance of adapting to market changes to stay ahead of the competition and highlights potential dangers in the pursuit of competitive advantage. The research shows that companies achieving and maintaining competitive advantages can enjoy better market positions and performance.