The CREC has over a hundred member churches in the United States, Canada, Japan, Russia, Hungary, Ukraine, Bulgaria, Poland, Brazil, Jersey, and the Czech Republic.

[4] These are organised into nine presbyteries, named after figures in church history: Anselm, Athanasius, Augustine, Bucer, Hus, Knox, Kuyper, Tyndale, and Wycliffe.

On some doctrines, such as the Federal Vision, paedocommunion, and paedobaptism, the CREC allows each church to determine its own position.

[citation needed] The Communion of Reformed Evangelical Churches requires that all member churches adopt a statement of faith including the Apostles' Creed, the Nicene Creed, and the Definition of Chalcedon, and at least one of the following historic confessions:[9] The CREC rejects both modernism and fundamentalism.

[11] It has published a number of "memorials", which among other things affirm Young Earth creationism, deprecate government schooling, and reject women in combat.