SIGNIS is a world wide association. Its members are national associations grouped by regions of the world.

All the regions are represented in the Board of administrators that decides SIGNIS’ policy. The members of the Board are elected during world or regional assemblies.

The decisions of the Board have to be endorsed by the Assembly of Delegates. The Assembly is composed by the Board members and six representatives of each region. The SIGNIS Delegates are elected during regional assemblies every four years.

SIGNIS has 2 administrative headquarters, the General Secretariat in Brussels and SIGNIS Services Rome in the Vatican.