This document provides information on engaging civil society organizations in triangular cooperation. It discusses how triangular cooperation brings together partners from different countries to leverage their comparative advantages. It notes that while governments remain primary actors, civil society organizations are increasingly important partners that can contribute local expertise and networks. The document analyzes data on over 700 triangular cooperation projects involving civil society organizations. It finds that Africa has the strongest civil society engagement, and that projects focus on social infrastructure, governance, and long-term partnerships of 2-4 years.