Union to Union is a secular and non-partisan non-profit organization. Its members are the LO (the Swedish Trade Union Confederation), Saco (the Swedish Confederation of Professional Associations) and TCO (the Swedish Confederation of Professional Employees).

Union to Union works in favour of democracy, the fair distribution of resources, and sustainable development.
Union to Union co-operates with, and supports trade union organisations globally, through 99 development projects in approximately 80 countries.
This collaboration includes education in trade union issues, the importance of human rights at work, trade union leadership, the work environment, equal rights, social dialogue, HIV/AIDS, and more.