The following paper immerses in the concept of solidary economy with the objective to approach the idea of Cooperative of Associated Work (CAW) in Colombia.It creates a theoretical, historical and legal reference about its development in the city of Bucaramanga and the Department of Santander.This research elaborates information recollection instruments that shows the state in which the members of the CAW in the city of Bucaramanga, and with this way, to open the debate about the proliferation of the Cooperatives with the objective to hire workers at low prices, situation that affect the rights of the workers.The author of this text faces a disjunctive while observing how the cooperative exercise their work with the consent of their members and at the same time see how the labor principles are violated such as "prevalence of reality over formalism, favorability, and legality".Finally, the paper warns about the nature of the CAW, which is a way how they are found registered in the City's Commerce Chamber and other functions they may perform.