TBWA Brussels is an international marketingagency. This marketingagency has branches all around the world. TBWA Brussels is just one of them.The Agency is a unit of Omnicom Group, the world's largest advertising agency holding company. It was founded in 1970 in Paris, France, by William G. Tragos, Claude Bonnange, Uli Wiesendanger, and Paolo Ajroldi(Italian. The first letter of each founder's name provided the initials for the new organization. They were purchased by the Omnicom Group in 1993.
During the 1990s Omnicom merged TBWA with other top creative agencies including Chiat/Day and Hunt Lascaris, building a network of creative agencies around the world. Over time it set up agencies in more and more markets, both through affiliations, joint ventures and wholly owned companies. It started to attract global clients who helped develop and strengthen its network.