The following organisations are partners of the LSA Network:
- Barking & Dagenham Heritage and Archives Service
- Barnardo's Archive
- Barnet Local Studies and Archives
- BDA (British Dental Association) Museum
- Berry Bros. & Rudd
- Bethlem Royal Hospital Archives and Museum
- Bexley Local Studies & Archive Centre
- BFI National Archive
- Bishopsgate Institute Library
- Black Cultural Archives
- Brent Museum and Archives
- British Deaf Association
- British Red Cross Museum and Archives
- Bromley Historic Collections
- Bruce Castle Museum
- BT Archives
- Camden Local Studies and Archives Centre
- Chickenshed Theatre Archive
- City of Westminster Archives Centre
- Croydon Archives
- Eastside Community Heritage
- Egypt Exploration Society
- Enfield Local Studies Library and Archive
- Film London
- Fortnum & Mason Archive
- Great Ormond Street Archives Service
- Gunnersbury Park Museum
- Hackney Archives
- Hammersmith & Fulham Local Studies & Archives
- Harrow School Archive
- Havering Local Studies Library
- Headstone Manor & Museum
- Hillingdon Local Studies, Archives and Museum Service
- Honourable Artillery Company Archive
- Hounslow Local Studies and Archives
- Imperial War Museum
- Institution of Engineering and Technology (IET) Archives
- Islington Local History Centre
- Jewish Museum
- Kensington & Chelsea Local Studies
- Kingston Heritage Service
- Lambeth Archives
- Latymer Foundation at Edmonton Archive
- Library of the Religious Society of Friends
- London Community Video Archive
- London Metropolitan Archives
- London Transport Museum
- London's Screen Archives
- Merton Heritage and Local Studies Centre
- Metropolitan Police Museums
- Moravian Church Archive and Library
- Museum of London
- Museum of the Royal Pharmaceutical Society
- National Theatre Archive
- Newham Archives and Local Studies Library
- Poor Servants of the Mother of God Central Congregational Archive
- Port and River Archives, Museum of London Docklands
- Rambert Dance Company Archive
- Redbridge Museum and Heritage Centre
- Richmond Local Studies Collection
- Royal Anthropological Institute
- Royal Greenwich Heritage Trust
- Sainsbury Archive, Museum of London Docklands
- Shakespeare's Globe Library and Archive
- Southwark Archives
- Sutton Archives
- The Archives, Royal Botanic Gardens, Kew
- The Cinema Museum
- The Goldsmiths' Company Library
- The Library and Museum of Freemasonry
- The Royal Institution of Great Britain
- The Royal Society
- Tower Hamlets Local History Library & Archives
- Unassigned
- V&A Archive of Art & Design
- V&A Department of Theatre & Performance
- V&A Institutional Archive
- Vestry House Museum
- Wandsworth Heritage Service
- Wellcome Collection
- White Lodge Museum, The Royal Ballet School
- Whitechapel Gallery Archive