| 9 Carroways Place RTM Company Limited | Households | 2019 |
| 9 Castellain Road Management Company Limited | Professional & scientific | 2015 |
| 9 Castlewood Estates Ltd | Real estate | 2018 |
| 9 Castlewood Ltd | Real estate | 2025 |
| 9 Cecilia Road London E82EP Limited | Extraterritorial | 2012 |
| 9 Chadwick Road RTM Company Limited | Households | 2019 |
| 9 Chalcot Gardens Freehold Limited | Households | 2020 |
| 9 Charles Estate Limited | Real estate | 2023 |
| 9 Chesson Road Limited | Households | 1993 |
| 9 Chester Square Mews Ltd | Real estate | 2025 |
| 9 City Garden ROW Limited | Households | 2014 |
| 9 Clarendon Gardens Limited | Households | 1984 |
| 9 Claverton Street (Freehold) Limited | Households | 2015 |
| 9 Clement Attlee Limited | Real estate | 2017 |
| 9 Clients SEM Limited | Information & communication | 2008 |
| 9 Clifton Road Hornsey Ltd | Households | 2018 |
| 9 Clifton Villas Limited | Extraterritorial | 1983 |
| 9 Copenhagen Ltd | Real estate | 2024 |
| 9 Corfton Road Limited | Households | 2012 |
| 9 Corinne Road (Freehold) Company Limited | Households | 2007 |
| 9 Cornwall Crescent Limited | Households | 2012 |
| 9 Corrance Road (Freehold) Limited | Real estate | 2011 |
| 9 Cotherstone Road Limited | Households | 2017 |
| 9 Craster Road Limited | Households | 2022 |
| 9 Crealock Street Residents Association Limited | Households | 2009 |
| 9 Crimes Ltd | Professional & scientific | 2025 |
| 9 Crouch Hall Road Management Limited | Professional & scientific | 1989 |
| 9 Cuisines Limited | Manufacturing | 2020 |
| 9 Cumberland Park Limited | Households | 1987 |
| 9 Daleham Gardens Limited | Households | 1975 |
| 9 Dartmouth Road Ltd | Real estate | 2019 |
| 9 Deerbrook Road RTM Company Limited | Households | 2016 |
| 9 Degrees East Limited | Professional & scientific | 2018 |
| 9 Digital Co Ltd | Wholesale & retail | 2025 |
| 9 Digits Rigging Ltd | Arts & recreation | 2018 |
| 9 Dimensions of Wellness Limited | Professional & scientific | 2024 |
| 9 Dots Enterprise Ltd | Wholesale & retail | 2025 |
| 9 Dreams Ltd | Wholesale & retail | 2022 |
| 9 Eaton Place Management Limited | Real estate | 2024 |
| 9 Eccleston Square (Freehold) Limited | Households | 2013 |
| 9 Edenvale Street (SW6) Limited | Real estate | 2009 |
| 9 Eglantine Road Limited | Real estate | 2010 |
| 9 Elephants Clothing Limited | Wholesale & retail | 2020 |
| 9 Elmbourne Road Limited | Households | 1994 |
| 9 Elms Construction Services Ltd | Construction | 2026 |
| 9 Elms Kitchen Ltd | Hospitality | 2024 |
| 9 Elms Osteopaths Ltd | Health & social care | 2026 |
| 9 Elsham Road (Management) Limited | Households | 1997 |
| 9 Elsworthy Terrace Management Company Limited | Households | 2016 |
| 9 Elvaston Place Limited | Real estate | 2009 |
| 9 Embankment Gardens Limited | Real estate | 2011 |
| 9 Endymion Road (Freehold) Company Limited | Households | 2019 |
| 9 Engel Park Limited | Administrative & support | 2015 |
| 9 Ennismore Gardens RTM Company Limited | Households | 2020 |
| 9 Eton Avenue Limited | Professional & scientific | 1994 |
| 9 Event Management and Production Ltd | Other services | 2012 |
| 9 Faversham RD RTM Company Ltd | Households | 2019 |
| 9 Fitzwilliam Road Limited | Households | 2003 |
| 9 Flies Limited | Information & communication | 2007 |
| 9 Gauden Road Flats Management Limited | Households | 2012 |
| 9 Glenmore Road Limited | Real estate | 2010 |
| 9 Gloucester Street (Freehold) Limited | Real estate | 2014 |
| 9 Goulton Road RTM Company Limited | Households | 2023 |
| 9 Grange Park (Ealing) Residents Company Limited | Households | 2003 |
| 9 Green Street Freehold Limited | Financial services | 2016 |
| 9 Gressenhall Road Management Company Limited | Households | 2002 |
| 9 Grosvenor Hill Limited | Households | 2011 |
| 9 Hamlet Road Freehold Limited | Households | 2017 |
| 9 Harley Street Limited | Health & social care | 2007 |
| 9 Hengist Street Ltd | Real estate | 2025 |
| 9 Hertford Street Limited | Real estate | 1973 |
| 9 Highbury Hill Management Limited | Households | 2013 |
| 9 Highbury Place Freehold Company Limited | Households | 2012 |
| 9 Highgate High Street Limited | Real estate | 2004 |
| 9 Hives Ltd | Wholesale & retail | 2025 |
| 9 Hogarth Road Limited | Households | 2008 |
| 9 Huddlestone Road Ltd | Households | 2011 |
| 9 Impressions Limited | Professional & scientific | 2006 |
| 9 Inglethorpe Street Limited | Households | 2008 |
| 9 Jerningham Road Limited | Real estate | 2007 |
| 9 Jewels Ltd | Manufacturing | 2025 |
| 9 Kathleen SPV Ltd | Real estate | 2022 |
| 9 Keildon Road Limited | Households | 1993 |
| 9 Kensington Court Limited | Households | 2004 |
| 9 Kitto Road RTM Company Limited | Households | 2006 |
| 9 Ladbroke Grove Limited | Construction | 2005 |
| 9 Landor Road Ltd | Real estate | 2002 |
| 9 Lavender Gardens Limited | Households | 1999 |
| 9 Lisgar Terrace Limited | Households | 1995 |
| 9 Lives 1 Hope Ltd | Other services | 2021 |
| 9 Lynmouth Road Freehold Limited | Real estate | 2016 |
| 9 Malvern Road RTM Company Limited | Households | 2004 |
| 9 Manor Park Freehold Limited | Households | 2023 |
| 9 Manor Park Management Limited | Real estate | 1983 |
| 9 Melrose Avenue (Freehold) Limited | Real estate | 2015 |
| 9 Mildmay Grove North Freehold Limited | Households | 2025 |
| 9 Minds Productions Limited | Administrative & support | 2026 |
| 9 Moresby Limited | Real estate | 2021 |
| 9 Mountains Ltd | Professional & scientific | 2024 |
| 9 Mulberry Square Limited | Real estate | 2021 |