| 83DREAMS Ltd | Information & communication | 2023 |
| 83NORTH UK LLP | | 2011 |
| 83NORTH UK Management Limited | Professional & scientific | 2011 |
| 83RD Floor Ltd | Manufacturing | 2013 |
| 84 & 86 Balvernie Grove Limited | Real estate | 2009 |
| 84 Albion Road Freehold Ltd | Households | 2013 |
| 84 and 84A Victoria Road (Hendon) Limited | Extraterritorial | 2010 |
| 84 Balcombe (Managements) Limited | Households | 1975 |
| 84 Blackfriars Road Management Company Limited | Households | 1999 |
| 84 Carlton Hill Limited | Households | 1990 |
| 84 Chesterfield House Limited | Real estate | 2025 |
| 84 Chewton Road Freehold Limited | Real estate | 2005 |
| 84 Church Road Limited | Households | 2025 |
| 84 Clarendon Road (Freehold) Limited | Households | 2013 |
| 84 Clarendon Road Limited | Households | 2004 |
| 84 Claverton Street Limited | Households | 2012 |
| 84 Cornwall Gardens Freehold Company Limited | Real estate | 2003 |
| 84 Coverton Road Management Ltd | Real estate | 2010 |
| 84 CS (Freehold) Limited | Real estate | 2020 |
| 84 Fairholt Road Management Limited | Extraterritorial | 1979 |
| 84 Films Ltd | Information & communication | 2021 |
| 84 Forburg Road RTM Company Limited | Households | 2012 |
| 84 FX Limited | Financial services | 2025 |
| 84 Gloucester Street Management Limited | Households | 1983 |
| 84 Gloucester Street Property Limited | Households | 1992 |
| 84 Greencroft Gardens Limited | Households | 1982 |
| 84 Hammersmith Grove Limited | Households | 1992 |
| 84 Hatton Garden Limited | Construction | 2014 |
| 84 Highbury Hill Freehold Ltd | Real estate | 2023 |
| 84 Hillfield Avenue Limited | Households | 1988 |
| 84 Hospitality Ltd | Hospitality | 2023 |
| 84 Inverness Terrace Limited | Households | 1997 |
| 84 Iverson Road Limited | Real estate | 2025 |
| 84 Jerningham Road Management Company Limited | Administrative & support | 2005 |
| 84 Lauriston Road Freehold Limited | Households | 2016 |
| 84 Lewin Road Limited | Households | 2024 |
| 84 Lowlands Road Freehold Limited | Professional & scientific | 2017 |
| 84 Management Limited | Arts & recreation | 2026 |
| 84 Mansfield Road Limited | Extraterritorial | 2011 |
| 84 Maygrove Road Limited | Other services | 2012 |
| 84 Messina Avenue Limited | Households | 1997 |
| 84 Mildmay Park Limited | Households | 2005 |
| 84 Monsters Limited | Manufacturing | 2020 |
| 84 Morning Lane Limited | Real estate | 2014 |
| 84 Mount NOD Road Management Company Limited | Households | 1993 |
| 84 Palmerston Road Flat Management Limited | Professional & scientific | 2004 |
| 84 Parkhill Road Management Company Limited | Households | 2002 |
| 84 Prothero Road Ltd | Real estate | 2025 |
| 84 Railton Road RTM Company Limited | Households | 2023 |
| 84 Randolph Avenue Limited | Households | 1981 |
| 84 Riversdale Road Ltd | Households | 2016 |
| 84 Sandmere Road Limited | Households | 2009 |
| 84 Savernake Road Limited | Real estate | 2003 |
| 84 Shaftesbury Road (London) Management Limited | Households | 2018 |
| 84 Shoot UP Hill RTM Company Ltd | Households | 2019 |
| 84 Sinclair Road Freehold Limited | Households | 2012 |
| 84 Solutions Ltd | Professional & scientific | 2024 |
| 84 Stamford Brook Road Ltd | Households | 2023 |
| 84 Tachbrook Street SW1V 2NB Limited | Households | 2008 |
| 84 Tufnell Park Road Limited | Households | 2006 |
| 84 Tyrwhitt Road Management Company Limited | Professional & scientific | 2000 |
| 84 Upper Tollington Park Limited | Real estate | 2014 |
| 84 Warriner Ltd | Households | 2013 |
| 84 West END Lane West Hampstead Management Limited | Real estate | 2005 |
| 84 Westbourne Terrace Limited | Households | 2004 |
| 84 WHR Ltd | Construction | 2020 |
| 84 World Ltd | Arts & recreation | 2009 |
| 84-85 Limited | Administrative & support | 2017 |
| 84-86 Willow Vale Management Company | Households | 2026 |
| 84-90 Southgate Road Limited | Households | 2017 |
| 84/86 Wickham Road Residents Association Limited | Households | 2012 |
| 84/86 Woodland Road RTM Company Limited | Households | 2006 |
| 841 L.G. Ltd | Real estate | 2024 |
| 842 Films Limited | Information & communication | 2021 |
| 84BY Ltd | Professional & scientific | 2025 |
| 84CORP Limited | Information & communication | 2025 |
| 84D Lillie Road Management Limited | Households | 2023 |
| 84DATA Ltd. | Extraterritorial | 2014 |
| 84MPR Ltd | Professional & scientific | 2026 |
| 84VOLT Ltd | Wholesale & retail | 2025 |
| 85 & 87 East Dulwich Grove Management Limited | Households | 1980 |
| 85 & 87 Westbourne Park Road Limited | Households | 1997 |
| 85 and 87 Byron Road RTM Company Limited | Households | 2017 |
| 85 and 87 Durning Road Limited | Households | 2017 |
| 85 and 87 Smallwood Road Limited | Real estate | 2002 |
| 85 Broxholm Road Management Company Limited | Households | 2013 |
| 85 Caledonian Road Management Ltd | Households | 2005 |
| 85 Charlwood Street Management Company Limited | Construction | 1985 |
| 85 Comeragh Road Residents Association Limited | Households | 1986 |
| 85 Crescent House Limited | Real estate | 2017 |
| 85 Dyne Road RTM Company Limited | Households | 2019 |
| 85 Fernhead Road Freehold Company Limited | Professional & scientific | 2013 |
| 85 Finborough Road Limited | Households | 2003 |
| 85 Fitzjohns Avenue Limited | Households | 2024 |
| 85 Garratt Terrace Limited | Professional & scientific | 2009 |
| 85 Gascony Avenue Limited | Real estate | 2003 |
| 85 Goodrich Road Management Company Limited | Households | 1990 |
| 85 Grace Cafe Ltd | Hospitality | 2018 |
| 85 Greencroft Gardens NW6 Management Company Limited | Households | 1991 |
| 85 Greenwood Road Limited | Households | 2012 |