Tesco Media and Insight Platform is a partnership between Tesco, the UK’s largest grocery retailer, and dunnhumby, a global leader in Customer Data Science. Together, we always put the customer first. Fuelled by data from over 23 million Clubcard holders, our closed-loop measurement helps you understand consumer behaviour and ensures that every pound of your advertising budget is spent targeting the right customer, at the right time, with the right message across the full marketing funnel. We're here to help brands Shape What Britain Buys.