The rapid development of the wedding industry, coupled with shifting consumer preferences post-pandemic, has transformed how Wedding Organizers market their services. This study aims to analyze the influence of online promotion, service quality, and product strategy on purchasing intention, with Word of Mouth (WOM) as a mediating variable. The research focuses on Wedding Organizer users in Jabodetabek, particularly individuals aged 25-40 who have utilized these services within the past 1-2 years. Using a purposive sampling method, 200 respondents were selected to provide insights into their experiences and preferences. Data were collected through structured questionnaires and analyzed using statistical methods to evaluate direct and indirect effects among the variables. The findings reveal that online promotion, service quality, and product strategy significantly influence purchasing intention. Furthermore, WOM mediates this relationship, emphasizing its critical role in enhancing consumer trust and decision-making. The study underscores the importance of leveraging digital marketing, delivering high-quality services, and innovating product offerings to attract and retain customers in a competitive market. This research provides valuable insights for Wedding Organizers to develop effective strategies tailored to evolving consumer behaviors, ensuring sustainable growth in the post-pandemic era.