La Confederació Tercer Sector Social is a recognized organization that represents non-profit entities in Catalonia since 1997. They cater to social services and support for individuals through associations, social initiative cooperatives, and foundations. They offer a wide range of services, including negotiation, collective representation, and collaboration models.

They also provide legal advice, conduct research on the third social sector, and organize workshops and activities. La Confederació Tercer Sector Social is committed to promoting democratic governance and gender equity within the sector. They have a strong presence and partnership with over 1,200 entities and employ around 100,400 workers.

Through their work, they aim to create a positive impact on society and improve the lives of those in need