Listed below are our member organisations, excluding parish and town councils which are also member organisations, a list of which can be found on the West Berkshire Council website.
- Aldermaston History Group
- Berks, Bucks and Oxon Wildlife Trust
- Berkshire Archaeological Society
- Berkshire Family History Society
- Berkshire Gardens Trust
- Berkshire Geoconservation Group
- Berkshire Industrial Archaeology Group
- Berkshire Local History Association
- Boxford History Project
- Bradfield Historical Society
- Bucklebury History Group
- Cold Ash Parish Heritage Group
- East Garston Local History Society
- East Ilsley Local History Society
- East Woodhay Local History Society
- Friends of Newtown Road Cemetery
- Goring Gap Local History Society
- Greenham and Crookham Common Commission
- Greenham Common Control Tower
- Hampstead Norreys Heritage Group
- Hungerford Historical Association
- Hungerford Virtual Museum
- Kennet and Avon Canal Trust
- Kennet Valley at War
- Kennet Valley Guild of Weavers, Spinners and Dyers
- Mortimer Local History Group
- Newbury District Field Club
- Newbury Geology Society
- Pangbourne Heritage Group
- Project Purley
- RAF Welford Historical Society
- Royal Berkshire Archives
- Stockcross and Surroundings History Association
- Thatcham Historical Society
- Thatcham Memorial Hall and Playing Fields Foundation
- The Battlefields Trust
- The Newbury Society
- The Thatcham (Old Bluecoat School) Charity