| 11 Bridge Group Limited | Administrative & support | 2024 |
| 11 Bridge Property Limited | Real estate | 2024 |
| 11 Bridge Trade Limited | Hospitality | 2024 |
| 11 Brougham Road Management Company Limited | Households | 1997 |
| 11 Broxholm Road Management Company Limited | Hospitality | 2007 |
| 11 Bruce Grove Limited | Households | 2008 |
| 11 Burlington Road Limited | Households | 1998 |
| 11 Burnaby Gardens Ltd | Real estate | 2025 |
| 11 Cambridge Road Leasehold Limited | Real estate | 2000 |
| 11 Canonbury Lane Management Company Limited | Households | 1991 |
| 11 Canton Street Freehold Limited | Real estate | 2018 |
| 11 Canton Street RTM Company Limited | Households | 2013 |
| 11 Carlingford Road Limited | Households | 1996 |
| 11 Catering Ltd | Wholesale & retail | 2024 |
| 11 Chatsworth Gardens Management Company Limited | Extraterritorial | 2005 |
| 11 Chelsea Embankment Management Company Limited | Households | 1991 |
| 11 Church Crescent (Freehold) Limited | Households | 2025 |
| 11 Church Terrace Limited | Households | 2022 |
| 11 Clanricarde Gardens Ltd | Households | 2024 |
| 11 Clanricarde Gardens RTM Company Limited | Households | 2011 |
| 11 Clifton Gardens Limited | Real estate | 2011 |
| 11 Clifton Road RTM Company Limited | Households | 2007 |
| 11 Coffee & Co Ltd | Hospitality | 2018 |
| 11 Colbeck Mews Limited | Households | 1987 |
| 11 Colville Terrace Management Company Limited | Information & communication | 1991 |
| 11 Corbridge Crescent RTM Company Ltd | Households | 2024 |
| 11 Cornwall Gardens Limited | Households | 2007 |
| 11 Creative Limited | Administrative & support | 2022 |
| 11 Crookham Freehold Company Limited | Households | 2021 |
| 11 Danby Street Ltd | Households | 2017 |
| 11 Delorme Street Management Company Limited | Households | 2021 |
| 11 Devonshire Terrace W2 Limited | Households | 2006 |
| 11 Dimension Ltd | Professional & scientific | 2026 |
| 11 Disraeli Road (Putney) Limited | Households | 1993 |
| 11 Draycott Avenue Limited | Households | 1979 |
| 11 Dulwich Road Freehold Limited | Real estate | 2025 |
| 11 Dunlace Road RTM Company Limited | Real estate | 2018 |
| 11 Durham Terrace Freehold Limited | Households | 2024 |
| 11 Earlsfield Road (Management Company) Limited | Households | 2020 |
| 11 East Dulwich Grove Limited | Real estate | 2019 |
| 11 East Dulwich Road Limited | Households | 2002 |
| 11 Edith Terrace Limited | Households | 2007 |
| 11 Efgh Earlsfield Road Freehold Limited | Households | 2014 |
| 11 Eleven Properties Ltd | Real estate | 2024 |
| 11 Elevon Limited | Information & communication | 2026 |
| 11 Elliotts Place RTM Company Limited | Households | 2026 |
| 11 ELM Grove Road Management Limited | Administrative & support | 1979 |
| 11 Elsworthy Terrace Limited | Households | 1998 |
| 11 Entertainment Ltd | Professional & scientific | 2023 |
| 11 ER Estates Ltd | Real estate | 2023 |
| 11 Estelle Road RTM Limited | Households | 2004 |
| 11 Eyre Place Ltd | Hospitality | 2015 |
| 11 Fairmount Road RTM Company Limited | Households | 2021 |
| 11 Fernwood Avenue Freehold Company Limited | Real estate | 2016 |
| 11 Fielding Road Management Limited | Households | 1976 |
| 11 Fitzjohns Avenue Freehold Limited | Households | 2021 |
| 11 Florfield Passage Limited | Professional & scientific | 2006 |
| 11 Freegrove Road Investments Limited | Households | 1978 |
| 11 Glebe Management Limited | Households | 1996 |
| 11 Gloucester Drive Management Limited | Households | 2013 |
| 11 Gloucester Place Mews RTM Company Limited | Households | 2018 |
| 11 Great Western Road Management Limited | Households | 2005 |
| 11 Grosvenor Gardens Ltd | Households | 2025 |
| 11 Grosvenor Road Management Company Limited | Real estate | 2001 |
| 11 Gunter Grove Ltd | Real estate | 2006 |
| 11 Hamilton Park Freehold Limited | Households | 2019 |
| 11 Haslemere Road N21 Freehold Limited | Households | 2009 |
| 11 Health & Technologies Limited | Wholesale & retail | 2013 |
| 11 Heath Drive (1997) Limited | Real estate | 1997 |
| 11 Hemberton Road Management Limited | Households | 2012 |
| 11 Henry Road Limited | Households | 2010 |
| 11 Hermitage Road RTM Company Limited | Households | 2008 |
| 11 Hetley Road RTM Company Limited | Households | 2013 |
| 11 High Hill Ferry Limited | Households | 2011 |
| 11 Holdings Ltd | Financial services | 2025 |
| 11 Holland Road Freehold Ltd | Construction | 2008 |
| 11 Homefield Road Ltd | Real estate | 2013 |
| 11 Hornsey Lane Gardens N6 Residents Freehold Limited | Households | 1999 |
| 11 Hype Limited | Information & communication | 2025 |
| 11 Imperial Avenue RTM Company Limited | Households | 2026 |
| 11 Jedburgh Street Limited | Households | 2015 |
| 11 John Princes Street Limited | Real estate | 1994 |
| 11 KBW Limited | Professional & scientific | 2006 |
| 11 Kenwyn Road Residents Limited | Households | 2007 |
| 11 Kettering Road (Freehold) Limited | Real estate | 2022 |
| 11 Kinds Ltd | Information & communication | 2021 |
| 11 Kinnoul Road (Freehold) Limited | Households | 1993 |
| 11 Ladbroke Road Ltd | Real estate | 2023 |
| 11 Ladbroke Square Management Company Limited | Households | 2003 |
| 11 Larden Road Acton (Management) Limited | Households | 1998 |
| 11 Lavender Gardens Limited | Real estate | 2001 |
| 11 Leghorn Property Management Limited | Real estate | 2019 |
| 11 Lexham Gardens Management Co. Limited | Households | 1997 |
| 11 Lincoln Road Freehold Limited | Households | 2021 |
| 11 Linden Gardens London Limited | Households | 2002 |
| 11 Lindfield Gardens Limited | Households | 1972 |
| 11 London Ltd | Information & communication | 2005 |
| 11 Lordship Park Management Company Limited | Households | 1999 |
| 11 Lounge Ltd | Hospitality | 2022 |
| 11 Lyme Street Freehold Limited | Households | 2015 |