CCSAC is comprised of the following member churches:

Blessed Sacrament
Canadian Martyrs
Christ Church Cathedral
Church of the Ascension
Dominion Chalmers United
Eglise unie St-Marc
First Baptist
Fourth Avenue Baptist
Glebe-St. James United
Knox Presbyterian
Centretown United
Religious Society of Friends
St. Andrew's Presbyterian
St. Barnabas Anglican
St. George's Anglican
St. Giles Presbyterian
St. John the Evangelist Anglican
St. Matthew's Anglican
St. Patrick's Basilica
St. Peter's Lutheran
St. Theresa's
Southminster United
Trinity Anglican
Wesley United