The OMCC, Organismo Mundial de Cursillos de Cristiandad, the world body of the Cursillo Movement, consists of an executive committee and the four international groups. They are the Asia Pacific Group, APG, the North American-Caribbean Group NACG, the South American Group, GLCC, and the European Group, GECC. The seat of the OMCC, which rotates through the four international groups every four years, is currently in Australia. The OMCC exists as a service body to facilitate the communication and dialogue between the leadership in the different countries around the world where Cursillo is active. OMCC also represents the Movement to the Pontifical Council for the Laity

There is much information on the OMCC website regarding the Cursillo Movement at the world and international level.