IDHL is a Leeds-headquartered digital agency group with 25 years of heritage rooted in SEO, now operating at around 500 specialists across London, Leeds, Manchester, Southampton, and New York. CEO Lewis Sellers was promoted in June 2025, and the business has been backed by Bridgepoint since 2021. The group is structured as connected brands: IDHL at the center, alongside The MTM Agency (acquired February 2025), Fostr, and Vervaunt (acquired November 2025), each adding specialist depth across performance, ecommerce, and data intelligence. Four practice areas span Digital Marketing, Web and Technology, Strategy and Consultancy, and Brand and Creative, supported by IDHL Labs, an AI incubator backed by a £1.5M investment. Public client work includes Milwaukee, Radley, HMV, NEOM, Ryobi Tools, Mulberry, APC, Paul Smith, Champion, F.Hinds, Hammonds, and Camden Town Brewery.