This case study examines PRIMARK's use of internet marketing for promotion, focusing on digital marketing communications. It highlights PRIMARK's non-transactional online platform, aggressive marketing campaigns on social networks, and diversified product range. The analysis covers search engine marketing strategies like pay-per-click and text-based advertisements, emphasizing the importance of search engine optimization (SMO) and online marketing to increase productivity. Furthermore, the study outlines best practices in online public relations, including identifying the target public, collecting information, using appropriate PR tools, monitoring and control, and performance evaluation. Finally, it demonstrates how PRIMARK leverages digital media communities, such as Facebook and Twitter, to enhance marketing strategies, customer relationships, and market research.