Fundación Inteligentemente Feliz (Foundation Intelligently Happy) was established in 2017 with the aim of providing assistance to post-war victims in Colombia. The Foundation created a health services program titled 21 Days of Change (21 dias de cambio) that offers psychological assistance to victims and provides them with an app or a notebook with a printed guide. Currently, the Foundation’s main customers are Columbian government offices that support mental health services for around 3,000 women living in rural areas of Colombia. The case focuses on the process of establishing the company and its business model. More specifically, it illustrates how the founders are using the lean start-up approach and its methods to better understand the needs of user groups and align to the Foundation’s mission and goals. The case also illustrates how the activities of this social enterprise are aligned with the United Nations Sustainable Development Goals (SDGs).