It is based in Western Australia, New South Wales and Queensland, and has one congregation in the Australian Capital Territory.

Support for the new denomination by World Presbyterian Missions continued throughout the 1970s as David Cross worked under their auspices.

In 1981 their involvement was expanded through the provision of a second worker, Rev Oliver Claassen, who commenced the first congregation outside Western Australia, at Redbank Plains, a suburb of Ipswich, Queensland.

[1] In May 2019, the 23rd National Assembly met in Armadale, Western Australia, and was attended by over 30 delegates representing churches in Queensland, Western Australia, New South Wales and the ACT, as well as delegates from a growing partnership with Westminster Presbyterian Church Myanmar.

The Westminster Confession of Faith is accepted as expressing the system of doctrine taught in the Bible and is the subordinate standard of the denomination.