Business practices cannot ignore global concerns to achieve a just and sustainable society. In this direction, corporate law has tried to contribute to the realization of the United Nations Sustainable Development Goals through the Benefit Corporations (B Corporations). This legal category recognizes companies that contribute to collective purposes beyond the individual interests of their associates and is an expression of a social, environmental and ethical approach to corporate law that contributes to the configuration of a sustainable economic modelfor improvement of the crisis generated by the pandemic. The purpose of this writing is to address the characteristics of B Corporations as an instrument created from a social and environmental vision of corporate law, which could contribute to a sustainable social and economic reactivation.