| 37 Palace Gardens Terrace Limited | Real estate | 2004 |
| 37 Pearman Street Limited | Households | 2015 |
| 37 Pemberton Road Limited | Households | 2025 |
| 37 Pendennis Road Limited | Households | 2008 |
| 37 Penge Road RTM Company Ltd | Real estate | 2014 |
| 37 Penn Road Ltd | Real estate | 2003 |
| 37 Portland Rise Limited | Households | 2005 |
| 37 Prairie Street Management Company Limited | Real estate | 2015 |
| 37 Queen Anne Road Limited | Real estate | 2011 |
| 37 Queens Drive Limited | Households | 2008 |
| 37 Queensborough Terrace Residents Limited | Households | 2001 |
| 37 Randolph Avenue Limited | Households | 1983 |
| 37 Rocks Lane Management Company Limited | Real estate | 2004 |
| 37 Roehampton Lane (London) Limited | Households | 2010 |
| 37 Rosary Gardens Management Limited | Households | 1994 |
| 37 Rosendale Road (Management) Limited | Households | 2000 |
| 37 Selby Road RTM Company Ltd | Administrative & support | 2015 |
| 37 Sidney Road (Freehold) Limited | Households | 2018 |
| 37 Sisters Avenue Limited | Households | 2013 |
| 37 Sloane Gardens Management Company Limited | Households | 1998 |
| 37 Smith Square Limited | Households | 2013 |
| 37 Soho Square Freehold Limited | Administrative & support | 2014 |
| 37 Southolm Street Limited | Real estate | 2008 |
| 37 Southwood Avenue Limited | Real estate | 2012 |
| 37 Spencer Road (W3) Freehold Ltd | Real estate | 2023 |
| 37 ST Thomas's Road Management Company Limited | Households | 2011 |
| 37 STM LLP | | 2025 |
| 37 Stockfield Road Limited | Households | 2005 |
| 37 Stratford Road Limited | Households | 2013 |
| 37 the Avenue Ltd | Households | 2009 |
| 37 Thorney Hedge Road RTM Company Ltd | Real estate | 2015 |
| 37 Thornlaw Road (London) Limited | Households | 2015 |
| 37 to 42 Hargrave Mansions Limited | Households | 2007 |
| 37 Trading Limited | Financial services | 2024 |
| 37 Tunstall Road Limited | Hospitality | 2011 |
| 37 Tynemouth Street London Limited | Households | 2011 |
| 37 Tyrwhitt Road Residents Association Limited | Households | 1988 |
| 37 Underhill Road Residents Association Limited | Households | 1988 |
| 37 Uplands Road Limited | Households | 2004 |
| 37 Vardens Road Management Company Limited | Households | 2016 |
| 37 Ventures Limited | Financial services | 2024 |
| 37 Warwick Avenue Management Company Limited | Households | 1997 |
| 37 Wellmeadow Road (Freehold) Company Limited | Real estate | 2009 |
| 37 WG (Freehold) Limited | Households | 2013 |
| 37 Wilmington Square Limited | Households | 2006 |
| 37 Winchester Street Limited | Real estate | 2001 |
| 37 Woodstock Avenue Freehold Limited | Households | 2026 |
| 37-38 Curzon Street Management Limited | Households | 2003 |
| 37-39 Adys Road Freehold Limited | Administrative & support | 2011 |
| 37-39 Connell Crescent Limited | Administrative & support | 2003 |
| 37-39 Elgin Crescent RTM Company Limited | Other services | 2008 |
| 37-39A Wellesley Road Management Limited | Extraterritorial | 2003 |
| 37-41 Mortimer GP Ltd | Administrative & support | 2016 |
| 37-41 Mortimer Limited Partnership | | 2016 |
| 37-41 Mortimer Nominee 1 Ltd | Real estate | 2016 |
| 37-41 Mortimer Nominee 2 Ltd | Real estate | 2016 |
| 37-41 Mortimer Opco Ltd | Hospitality | 2016 |
| 37-41 Royal Avenue (Freehold) Limited | Households | 1988 |
| 37-42 Edmonscote Freehold Company Limited | Households | 2024 |
| 37/39 Maida Vale Limited | Administrative & support | 2008 |
| 371 Kennington Lane Ltd | Financial services | 2023 |
| 371 Trade Ltd | Wholesale & retail | 2025 |
| 3710 Collective Ltd | Information & communication | 2025 |
| 372 Coldharbour Ltd | Real estate | 2021 |
| 372 Edgware Road Limited | Real estate | 2021 |
| 372/374 Long Lane (Freehold) Limited | Households | 2017 |
| 373 Acton Lane Management Company Limited | Households | 1997 |
| 373 Caledonian Limited | Construction | 2013 |
| 373 Chiswick High Road Limited | Households | 2022 |
| 373 Food Limited | Hospitality | 2025 |
| 373 Industries Ltd | Information & communication | 2024 |
| 374 Camden Road Management Company Limited | Households | 2005 |
| 374 Edgware Road Limited | Households | 2012 |
| 375 Bensham Lane RTM Company Limited | Professional & scientific | 2012 |
| 375 Camden Road Limited | Households | 2012 |
| 3755TH Single Member Shelf Trading Company Limited | Extraterritorial | 2026 |
| 376 Caledonian Road Limited | Households | 2002 |
| 376 Durnsford Road Management Company Limited | Households | 2010 |
| 376 Fulham Palace Ltd | Households | 2019 |
| 376 Stanstead Road (Freehold) Limited | Professional & scientific | 2010 |
| 376 Wandsworth Road Limited | Real estate | 2010 |
| 377 BEP Ltd | Real estate | 2025 |
| 377 Easter RD Holdings Limited | Real estate | 2026 |
| 377 Easter RD Operator Limited | Real estate | 2026 |
| 377 Easter RD Property Owner Limited | Real estate | 2026 |
| 379 Chiswick High Road Management Limited. | Households | 1985 |
| 379 Circle Investments Limited | Real estate | 2018 |
| 379 Ltd | Hospitality | 2019 |
| 37A Shop Ltd | Wholesale & retail | 2025 |
| 37ASHDOWN Ltd | Real estate | 2024 |
| 37AUSTEN LP | | 2020 |
| 37BETTER LLP | | 2024 |
| 37DEVONSHIRE Ltd | Households | 2023 |
| 37LONDON Group Ltd | Financial services | 2021 |
| 37N34 Production Ltd | Information & communication | 2018 |
| 37SMS1 Ltd | Wholesale & retail | 2019 |
| 37SS Ltd | Hospitality | 2021 |
| 38 Abbey RD Ltd | Real estate | 2015 |
| 38 Alderney Street Limited | Households | 1982 |
| 38 Aldridge Road Villas Freehold Limited | Households | 2015 |