LBAS is the biggest non-governmental organisation in Latvia which protects the interests of professional trade union members and employees on the branch and interbranch level.

LBAS coordinates the cooperation between 23 independent Latvian trade unions, represents and protects the interests of its members in the national and international institutions, implements a joint working programme.

The main principle of operation is solidarity, i.e. joint coordinated actions of the affiliates.

Together with the government and Latvian Employers' Confederation, LBAS works in the National Tripartite Cooperation Council.

At present LBAS unites more than 15% of all workers of Latvian almost 2900 state, municipal and private enterprises.