The Old Catholic churches of the Union of Utrecht are in full communion with several churches. Below you will find an overview of the partner churches. In addition to international contacts, there is also cooperation at various levels.
The Ecumenical Mission of the Old Catholic Churches of the Union of Utrecht
Called to ecumenism, a present-day position-fixing
The Philippine Independent Church has been in communion with the Old Catholic Churches of the Union of Utrecht since 1965
The Malankara Mar Thoma Syrian Church
Three dialogue documents underpin the church communion with the Mar Thoma Syrian Church