An established church refers to a religious institution that is officially recognized and supported by the government of a particular country. Full definition
Some have started their own churches and others work for established churches. (relevantmagazine.com)
From board culture to ministry culture: As established churches, congregations often developed elaborate structures of boards and committees similar to those of many other voluntary organizations. (religion-online.org)
Nothing prevented «free» churches from being organized where there were already established churches. (religion-online.org)