Currently, cooperative banks compete with the biggest capitalist financial institutions. In principle, the aims, values and governance of this banking model are not identical to those of conventional capitalist banks mainly oriented towards maximizing short-term financial performance. Indeed, the specific governance of cooperative banks presupposes a much more democratic vocation, equitable and sustainable. The originality of this work lies in the asking milestones or thought on the model of the cooperative bank is still unknown in Morocco despite his international success. More specifically, the objective of this paper is to present the specifics of the cooperative bank and analyze the governance mechanisms it adopts to ensure the balance between the cooperative identity and the economic and financial performance.