Organisations
- 20th Century Society
- Ancient Monuments Society
- Society of Antiquaries of London
- Archangel Heritage
- Archives for London
- The Art Fund
- Association for Roman Archaeology
- Association of Art Historians
- Bishopsgate Institute
- Black and Asian Studies Association (BASA)
- Black Cultural Archives
- The Blake Society
- Blue Badge Tourist Guides
- Blue Plaques (English Heritage)
- British Archaeological Trust
- British Association of Local History
- British Film Institute (BFI)
- British Library
- Capital Taxi Tours
- Churches Conservation Trust
- City of London
- Conway Hall Library
- The English Speaking Union
- English Civil War Society
- English Heritage
- The Ephemera Society
- Euston Arch Trust
- Friends of the City Churches
- Genealogic
- Georgian Group
- Grandchildren of The Blitz
- Greater London Industrial Archaeology Society
- Guild of National Tourist Guides
- Heritage of London Trust (HOLT)
- Historic Houses Association
- Historic Newspapers
- The Historical Association
- Historical Novel Society
- William Hogarth Trust
- The Huguenot Society
- JISC
- Lambeth Archives
- The Leverhulme Trust
- The Honourable Society of Lincoln’s Inn
- The Linnean Society
- Literary London Society
- London and Middlesex Archaeological Society (LAMAS)
- London Cornish Association
- London Cultureseekers
- London Fortean Society
- London Journal
- London Library
- London Lives (1690 – 1800)
- London Mural Preservation Society
- London Online
- London Parks & Gardens Trust
- The London Pass
- London Record Society
- London Shh
- London Society
- London Topographical Society
- London Underground Railway Society
- London Walks
- Londontown.com
- Marlowe Society
- Martin Randall Travel
- Mary on the Green
- The Massey Shaw
- Mayor of London
- Friends of the Metropolitan Police Historican Collection
- National Historical Ships
- The National Archives, Kew
- National Churches Trust
- The National Trust
- Open City
- Pevsner Architectural Guides
- ProjectBook
- The Pub History Society
- Royal Archaelogical Institute
- Royal Geographic Society
- Royal Historical Society
- Royal Institute of British Architects
- Royal Society
- Samuel Courtauld Society
- Save Britain’s Heritage
- Sealed Knot
- Shakespeare’s Globe
- William Shipley Group for RSA History
- The Socialist History Society
- Society of Geneaologists
- St Bride Foundation
- Survey of London
- Thames Discovery Programme
- The Theatres Trust
- The Thorney Island Society
- The Victorian Society
- Visit London
- Walking the Past
- Walking the Past
- Women’s History Month
- Women’s History Network