This research aims to determine the impact of digital marketing methods on customer buying behaviour within Marks and Spencer organisation. The research questions include the concept of digital marketing, various digital marketing methods used by M&S, and the impact of digital marketing methods on customer buying behaviour. The research methodology includes positivism philosophy, deductive approach, literature review, survey, quantitative research method, and probabilistic sampling. The research will be completed in 10 weeks. The resources required are respondents, books and journals, stationary, and time.