This research aims to identify the effectiveness of social media platforms in customer relationship management as organisational marketing strategy. The research methodology includes primary and secondary research, questionnaire, quantitative research, and positivism philosophy. The literature review covers the concept of customer relationship management, customer feedback, customer strategies, use of social media, and barriers faced by managers of Marks & Spencer in managing customer relations through social media. The research objectives are to understand the concept of customer relationship management, discern the importance of social media platform in marketing strategy of Marks & Spencer for managing customer relationship, and examine different barriers faced by managers of Marks & Spencer in managing customer relations through social media as a medium of marketing.