With 48 affiliated unions as of 2021, the Wales TUC represents nearly 400,000 workers.

The Wales TUC aims to work with, and make representations to, other Welsh organisations.

A major role is to co-ordinate the trade union approach to the Welsh Government and ensure that the interests of Welsh trade unionists are properly represented in the whole range of Senedd decision making.

The General Secretary of the Wales TUC is Shavanah Taj (2021), who is based in the Cardiff office.

The Wales TUC supports trade union reps in Wales through training and information on issues such as health & safety, workplace rights, learning at work, equalities climate change and just transition.