Next 15 Group plc, together with its subsidiaries, engages in the data, technology, and activation businesses 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. The company is involved in 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 its products and services under the Activate, Archetype, Brandwidth, elvis, M Booth, M Booth Health, MHP Group, Pretzl, Savanta, SMG, and Transform brands names. The company was formerly known as Next Fifteen Communications Group plc and changed its name to Next 15 Group plc in April 2023. Next 15 Group plc was incorporated in 1981 and is headquartered in London, the United Kingdom.