
m/SIX
We are the UK’s fastest-growing media planning and buying agency. A progressive and entrepreneurial, international network that was born digital.
+44 20 7079 9800
m/SIX is one of the fastest growing media agencies. A progressive and entrepreneurial international media network that was born digital, the agency prides itself on its pioneering, energetic approach and honest culture. With over 40 offices worldwide, m/SIX is backed by WPP, the world's largest communications agency network, and embraces a unique ownership structure between The&Partnership and GroupM. This means we retain a flexible and entrepreneurial spirit, unencumbered by the rigid, legacy structures of traditional media agencies – whilst simultaneously being backed by the world’s largest media trading pool and advertising data lake. m/SIX specialises in driving business growth in the modern media landscape and helps clients transition from a world of certainty to a new world of adaptability. m/SIX are the architects of bespoke, dedicated, multi-disciplinary teams that closely partner client marketing operations. The agency firmly places tech and data at the heart of these teams: insight and strategy, activation and optimisation are all informed by the same source of customer truth.
Latest News
Apr. 16, 2026
M+C Saatchi Talent Group Launches M+C Saatchi Studios to Incubate Talent-Led Formats
New offering will develop original shows with talent, starting with podcasts, with a focus on building long-term IP
Apr. 16, 2026
BackLite UK Unveils The Knightsbridge as Newest Addition to Landmark Series
Media operator worked with asset owner Wildstone on one-of-a-kind Piccadilly Underpass upgrade
