The rise of digital technology has transformed marketing strategies across industries. The food-tech sector, in particular, has transitioned from traditional approaches to dynamic, data-driven strategy. While large food-tech giants are conquering the food-delivery ecosystem in India, there is still a whole lot of space for unstructured, regional, mid-size companies making their way in this competitive digital marketplace. Miid-size food-tech aggregators are continually innovating to enhance customer engagement, boost conversion rates, and drive sales growth. This study delves into the importance of data-driven personalisation, providing actionable insights for marketers and industry practitioners of the Indian food-tech delivery space. By leveraging personalised marketing methodologies, food-tech companies can make meaningful connections with consumers, fostering increased relevance and engagement. Data plays a pivotal role in the development and execution of personalised digital marketing campaigns. By collecting, analysing, and utilising various types of data, digital marketing expert marketers can tailor their messages and offers to meet individual customers’ specific needs and preferences. This study highlights the significant benefits of data-driven personalisation in the evolving landscape of food delivery services, offering actionable insights for marketers and industry practitioners. It showcases how data-driven decision-making significantly affects the online sales of a mid-size food-tech aggregator and empowers these professionals to make informed decisions. This empowerment fosters increased relevance and engagement with consumers, setting the stage for future success. The study focuses on (a) Analysing the key performance metrics of digital marketing before and after personalised digital marketing campaigns for a mid-size food-tech delivery platform. (b) Analysing the online sales for the mid-size food-tech delivery platform before and after the personalisation of digital marketing campaigns.