GroupM Named Media Agency Group of the Year by Anuncios Awards April 19, 2018 Anuncios magazine has named GroupM, Media Agency Group of the Year and MediaCom, Media Agency of the Year at their The Ads of the Year 2017 celebration! The annual ceremony took place at The Palacio de la Prensa in Madrid. Read more at Anuncios. #Awards #MediaCom #Agency #Group of the Year
