NCPO members
- Anglican Pacifist Fellowship
- Baptist Peace Fellowship
- Bruderhof Communities
- Campaign Against Arms Trade Christian Network
- Christian International Peace Service
- Christian Campaign for Nuclear Disarmament
- Christian Ecology Link
- Christian Peacemaker Teams (UK)
- Church and Peace
- Clergy Against Nuclear Arms
- Community for Reconciliation
- Congregational Peace Fellowship
- Dominican Peace Action
- Ekklesia
- Fellowship of Reconciliation, England
- London Mennonite Centre
- Methodist Peace Fellowship
- Northern Friends Peace Board
- Pax Christi
- Peace School
- Quaker Peace & Social Witness
- SPEAK
- St Ethelburga’s Centre for Reconciliation & Peace
- Student Christian Movement
- Third Order of St Francis
- Unitarian Peace Fellowship
- United Reformed Church Peace Fellowship
- World Disarmament Campaign – Churches Work