The Guanentá, Comunera and Vélez provinces in the south of the department of Santander – Colombia, are home of a process where the socio-organizational structure of their habitants and solidarity economy in the form of cooperatives have tried to mark the contemporary history of this region, breaking paradigms, for example, through a financial economic system, managed by people’s cooperatives for the people and the construction of a solidary territory with a logic of development that departs from the territory and the identity and culture of its habitants. What began fifty years ago by the initiative of several people and supported by development programs is currently supported by its own dynamics, with capacity and projection to the futu re.