This study mainly focuses on the marketing strategies and investigates how it relates with the competitive advantage in the banking sectors. The researchers evaluate the existing marketing strategies of HSBC bank by using interpretivism research philosophy to understand the situation, identify the problem and solve it. The deductive research approach is used to develop the hypotheses and regression analysis is used to test the hypotheses. The researchers apply random sampling techniques to select sample size of 50 and collect the data in the convenience sampling basis. However, this study finds out two most influential factors of competitive advantage that are brand value and customer satisfaction. By analyzing these two influential factors the researchers suggest HSBC bank to concentrate on Social Media Marketing since 44% of customers are linked with them via social media.