Requests for additional "head office" links are welcome. E-mail me with your website address.
 

Baptist Union of Great Britain

Catholic Church in England and Wales

Catholic Church in Ireland

Christadelphians

Church in Wales

Church of England

Church of Ireland

Church of Jesus Christ of Latter-day Saints

Church of Scotland

Elim Pentecostal Church

Evangelical Presbyterian Church in England and Wales

Free Church of Scotland

Jehovah's Witnesses

Methodist Church in Ireland

Methodist Church of Great Britain

Presbyterian Church in Ireland

Primitive Methodist (with an historical and genealogical emphasis).

Religious Society of Friends (Quakers)

Salvation Army (United Kingdom with the Republic of Ireland)

Scottish Episcopal Church

Seventh Day Adventist Church

United Reformed Church