This book collects the results of the research project “Validation of solidarity-based economic integration models/methodologies in Antioquia and Santander,” whose objectives were to analyze theoretically recognized models and reflect on the conceptual and methodological elements that should be addressed in depth to make these models guide action and aspire to a different, inclusive economy.Additionally, it presents the results of the joint efforts between the Universidad Cooperativa de Colombia and the Special Administrative Unit of Solidarity Organizations, attached to the Ministry of Labor, under Research Agreement 013 of 2016.