Next 15 Group plc is a data, technology, and activation business operating in the United Kingdom, the United States, Europe, the Middle East, Africa, and the Asia Pacific. It operates through five segments: Retail Media; Data and Research; Digital Transformation; Marketing and Communications; and Creative Services. Its services include growth consultancy, market research, data analytics, advertising, lead generation, shopper marketing, management consultancy, venture building, data and insights, customer engagement, digital marketing, and communications and business transformation. It provides products and services under brands such as Activate, Archetype, Brandwidth, elvis, M Booth, M Booth Health, MHP Group, Pretzl, Savanta, SMG, and Transform. The company was formerly known as Next Fifteen Communications Group plc and changed its name to Next 15 Group plc in April 2023. It was incorporated in 1981 and is headquartered in London, the United Kingdom.