Of brothers and sisters from 25 European countries
represented by the Major Superiors of Apostolic Religious Institutes of 37 national Conferences gathering about 400.000 Religious men and women.
UCESM: Church Association of canonical Right recognised by CIVCSVA (Congregation for the Institutes of Consecrated Life and Societies of Apostolic Life) at the Vatican, and also an International Non Profit-making Association of Belgian Right, AISBL.

UCESM like every organization has a history, objectives set by the members of the General Assembly, implemented by the Executive Committee with the support of the General Secretariat.