Yeni ve Eski Medya Reklam Ajansı AŞ has the majority of CEO Event's partnership shares. The company is one of the leading advertising agencies in Turkey. The main shareholder of CEO Event is Yeni ve Eski Medya Reklam Ajansı AŞ, which is also a subsidiary of CER Holding AŞ.
CER Holding AŞ holds 100% of its shareholding interests in Yeni ve Eski Medya Reklam Ajansı AŞ.