International audienceThis article shows the link between the editorial stakes in the cultural industries and a brand universe. Transmedia is in the heart of the mutation because of his ability to offer contents witch use the all new technologies and to enhance revenues. Brand and transmedia universe converge on marketing, financial and social dimensions. Particulary, the audience’s collaboration is one of the main components in brand’s strategy. With the case of « Misson Braquo », an unseen transmedia experience focus on the subscriber’s TV Canal + target, we will show how compagnies cooperate with the audience to develop and manage a brand.Focus on the value consumer community generates, co-creation in consumer communtiesCet article s’att...