| Ancient Monuments Society | Promoting interest in Ancient Monuments |
| Churches Tourism Network | Encourages religious tourism |
| Building Conservation | Directory and news of conservation, restoration and repair of old buildings |
| Cadw | Welsh Historic Monuments - listing body |
| Canolfan Soar | Heritage centre based in the former Soar Chapel, Merthyr Tydfil. |
| The Chapels Society | Promoting interest in the chapels of England |
| Cynefin | Project in the National Library of Wales to digitise all the tithe maps of Wales |
| Friends of Friendless Churches | Working to save redundant Churches |
| National Churches Trust | Grants and advice to UK churches, chapels and meeting houses |
| National Library of Wales | Holds 'Capeli Cymru' - a database of artefacts and literature relating to chapels - and the archive of the Presbyterian Church of Wales (Calvinistic Methodists) |
| The National Museums & Galleries of Wales | Artefacts relating to the development of non-conformism in Wales |
| Royal Commission on the Ancient & Historical Monuments of Wales (RCAHMW) | Holds chapels database listing all the non-conformist chapels and churches in Wales and a large archive of photographs, descriptions and surveys of chapels |
| The Victorian Society | Promotion and preservation of Victorian architecture. Holds lectures and tours of Victorian architecture frequently including chapels |
| Looking at Buildings | Established by the Pevsner Architectural Guides. The site contains many links to other useful websites as well as illustrations, interactives and reference resources on the built environment. |
| Mostyn History Preservation Society | Local history website |
| Heritage Information | Website giving free information on how to restore and repair your historic building. |
| Historic Places of Worship in Europe | Promotes cooperation across Europe. |
| War Memorials Trust | Promotes protection and conservation of war memorials throughout the UK. |
| Welsh Religious Buildings Trust (Addoldai Cymru) | Cares for a selection of religious buildings, especially chapels. |
| West Wales War Memorial Trust | Commemorates the men and women from Carmarthenshire, Ceredigion and Pembrokeshire, who have fallen in conflicts throughout the world. |