In both MBS and MCS, the merged entity would be sufficiently constrained by several competitors, including large international advertising groups – such as WPP, Dentsu-Aegis, IPG and Havas – capable of meeting the more complex requirements of large advertisers with global reach.
Dans les deux cas, l'entité issue de la concentration subira une pression concurrentielle suffisante de la part de plusieurs concurrents, notamment de grands groupes publicitaires internationaux tels que WPP, Dentsu-Aegis, IPG et Havas, en mesure de satisfaire les exigences plus complexes des grands annonceurs à l'échelle mondiale.