| 8 Dimensions of Wellness Ltd | Public administration | 2025 |
| 8 Dont Give UP UP 8 Limited | Extraterritorial | 2019 |
| 8 Doors Ltd | Information & communication | 2024 |
| 8 Dover Street Holdings Ltd | Financial services | 2025 |
| 8 Dover Street Restaurant Ltd | Hospitality | 2025 |
| 8 Downs Park Road (Freehold) Limited | Households | 2023 |
| 8 Eagle Court Management Limited | Households | 2013 |
| 8 Earls Court Square Limited | Real estate | 2015 |
| 8 East Heath RTM Company Limited | Households | 2018 |
| 8 Eaton Mews North Ltd | Extraterritorial | 2014 |
| 8 Eaton Place Development Management 1 Limited | Construction | 2015 |
| 8 Edge Hill Limited | Households | 1998 |
| 8 Effie Road RTM Company Limited | Households | 2025 |
| 8 Elsworthy Terrace Limited | Households | 2006 |
| 8 Embankment Gardens RTM Company Limited | Households | 2011 |
| 8 Equity LLP | | 2019 |
| 8 Equity SPV Limited | Financial services | 2025 |
| 8 Ethelbert Terrace RTM Company Limited | Households | 2010 |
| 8 Farley Road Freehold Limited | Households | 2025 |
| 8 Fernholme Road Management Company Limited | Households | 2015 |
| 8 Fielding Road Flat Management Company Limited | Households | 1991 |
| 8 Figure Commerce Ltd | Wholesale & retail | 2025 |
| 8 Films Limited | Information & communication | 2012 |
| 8 Finborough Road Management Limited | Households | 1997 |
| 8 Flora Limited | Wholesale & retail | 2024 |
| 8 Forthbridge Road Freehold Limited | Households | 2022 |
| 8 Frognal Lane RTM Company Limited | Administrative & support | 2004 |
| 8 Fulwood Place Ltd | Real estate | 2023 |
| 8 Garway Road Limited | Real estate | 2015 |
| 8 Gates Formation Ltd | Wholesale & retail | 2025 |
| 8 Gatestone Road Residents Management Limited | Households | 2001 |
| 8 Global Investment Limited | Real estate | 2022 |
| 8 Godolphin RD RTM Company Limited | Professional & scientific | 2014 |
| 8 Gosberton Road, Clapham Limited | Households | 2005 |
| 8 Graham Road Limited | Real estate | 2009 |
| 8 Greek Kitchen Limited | Hospitality | 2019 |
| 8 Green Street Management Limited | Households | 1994 |
| 8 Green Street RTM Company Limited | Households | 2026 |
| 8 Guildford Road Management Limited | Households | 2007 |
| 8 Hampstead Hill Gardens Freehold Limited | Real estate | 2008 |
| 8 Harecourt Road Management Limited | Professional & scientific | 2011 |
| 8 Hartham Road Limited | Professional & scientific | 2004 |
| 8 Haslemere ABC Ltd | Real estate | 2026 |
| 8 Hatcham Park Mews Management Company Limited | Households | 2007 |
| 8 Hatherley Grove Limited | Households | 2020 |
| 8 Hayland Close (Freehold) Limited | Extraterritorial | 2015 |
| 8 Heath Drive Residents Association Limited | Real estate | 1985 |
| 8 Heathfield Road Limited | Households | 2025 |
| 8 Herbert Crescent Limited | Professional & scientific | 2016 |
| 8 Hetley Road Limited | Households | 2018 |
| 8 Hillfield Park Limited | Extraterritorial | 2011 |
| 8 Hillfield RTM Company Limited | Households | 2012 |
| 8 Hilltop Road Management Company Limited | Households | 1991 |
| 8 Holland Street Ltd | Wholesale & retail | 2021 |
| 8 Horbury Crescent Residents Association Limited | Households | 1976 |
| 8 Hornsey Rise Gardens Freehold Company Limited | Households | 2009 |
| 8 Horses Ltd | Information & communication | 2025 |
| 8 Hour Sleepwell Ltd | Wholesale & retail | 2024 |
| 8 Howitt Road Freehold Limited | Real estate | 2019 |
| 8 in the Universe Limited | Education | 2012 |
| 8 Inglethorpe Street Limited | Real estate | 2008 |
| 8 INT Ltd | Other services | 2025 |
| 8 Irving Street Limited | Real estate | 2009 |
| 8 KEG Limited | Extraterritorial | 2024 |
| 8 Kempsford Gardens (Freehold) Limited | Households | 2025 |
| 8 Kensington Park Road Ltd | Real estate | 2014 |
| 8 Kidbrooke Grove Freehold Limited | Extraterritorial | 1998 |
| 8 King Edward's Road Limited | Households | 2013 |
| 8 Kirchen Road (Freehold) Ltd | Administrative & support | 2011 |
| 8 Knox Road RTM Company Limited | Households | 2013 |
| 8 Ladbroke Square Limited | Real estate | 1993 |
| 8 Lalor Street Freehold Limited | Construction | 2012 |
| 8 Lammas Park Road Limited | Real estate | 2022 |
| 8 Lawn Road Limited | Households | 2022 |
| 8 Lawrie Park Crescent Management Company Limited | Extraterritorial | 2002 |
| 8 LEE Terrace Management Company Limited | Households | 1994 |
| 8 Leighton Grove Limited | Households | 2021 |
| 8 Leysfield Road (Freehold) Limited | Households | 2004 |
| 8 Lions Entertainment Ltd | Information & communication | 2024 |
| 8 Liston Road RTM Company Limited | Households | 2024 |
| 8 London Street Limited | Real estate | 2024 |
| 8 Lorne Road Limited | Households | 2016 |
| 8 Louvaine Road Freehold Limited | Households | 2022 |
| 8 Lucien Road Management Company Limited | Households | 2021 |
| 8 Lucky Days Ltd | Professional & scientific | 2018 |
| 8 Lupus Street Management RTM Company Limited | Real estate | 2005 |
| 8 Lymington Road Freehold Limited | Households | 2009 |
| 8 Maclean Limited | Other services | 2025 |
| 8 Magdalen Ltd | Real estate | 2025 |
| 8 Manor Park Limited | Real estate | 1998 |
| 8 Manor Road Freehold Limited | Households | 2020 |
| 8 Maresfield Gardens Ltd | Households | 1982 |
| 8 Marloes Road RTM Company Limited | Households | 2023 |
| 8 Marylands Road Limited | Households | 2024 |
| 8 Maygrove Road Limited | Households | 2006 |
| 8 Media Ltd | Professional & scientific | 2015 |
| 8 Messina Avenue Limited | Real estate | 2013 |
| 8 Mgmt Ltd | Wholesale & retail | 2018 |
| 8 Middleton Grove Limited | Real estate | 1995 |
| 8 Miles Capital Partners Ltd | Administrative & support | 2008 |