| 102 Philbeach Gardens Freehold Limited | Households | 2013 |
| 102 Portfolio Limited | Extraterritorial | 2016 |
| 102 Portfolio Management Limited | Real estate | 2018 |
| 102 Redcliffe Gardens Limited | Households | 2009 |
| 102 Rookery Ltd | Real estate | 2019 |
| 102 Salusbury Road Ltd | Households | 2023 |
| 102 South ST Limited | Real estate | 2024 |
| 102 Southwood Road RTM Company Limited | Households | 2017 |
| 102 Tollington Way Freehold Limited | Households | 2020 |
| 102 Wilberforce RTM Company Limited | Real estate | 2018 |
| 102-104 Farringdon Road Management Limited | Households | 2012 |
| 102-104 Newent Close RTM Company Limited | Households | 2026 |
| 102/104 Valley Road Limited | Households | 2013 |
| 1021 Creative PTE UK Ltd | Administrative & support | 2024 |
| 1021 High Road N20 Limited | Households | 2019 |
| 1021 Pets Ltd | Manufacturing | 2022 |
| 10222248 Limited | Extraterritorial | 2016 |
| 10232677 Ltd | Information & communication | 2016 |
| 1024 Invest Ltd | Information & communication | 2019 |
| 1024 Ltd | Information & communication | 2024 |
| 10257848 Limited | Professional & scientific | 2016 |
| 102SHR RTM Company Limited | Households | 2016 |
| 103 Albion Road Ltd | Households | 2020 |
| 103 Amhurst Road (Management) Ltd | Households | 2005 |
| 103 Bedford Road Management Company Limited | Real estate | 1997 |
| 103 Central Hill RTM Company Limited | Households | 2008 |
| 103 Copenhagen Limited | Households | 2017 |
| 103 Corporate Services Limited | Professional & scientific | 2025 |
| 103 Edith Road Limited | Real estate | 1989 |
| 103 Evering Road Limited | Real estate | 2013 |
| 103 Florence Road, Freehold Company Limited | Households | 2009 |
| 103 Fortess Road (London) Limited | Households | 1994 |
| 103 Gipsy Road Limited | Households | 2017 |
| 103 Gloucester Place Limited | Real estate | 1983 |
| 103 Goldhawk RD Management Company Limited | Households | 2015 |
| 103 Graham Road Management Limited | Households | 2012 |
| 103 Greencroft Gardens Limited | Households | 2017 |
| 103 Industries Ltd | Wholesale & retail | 2025 |
| 103 King Henry's Road Limited | Households | 2009 |
| 103 Kingsgate Properties Limited | Households | 2000 |
| 103 Lewisham Way Ltd | Real estate | 2022 |
| 103 Lexham Gardens Limited | Households | 2002 |
| 103 Mallinson Road Management Limited | Households | 2019 |
| 103 Manor Avenue Limited | Households | 1997 |
| 103 Mount Pleasant Lane Freehold Ltd | Real estate | 2019 |
| 103 Muswell Hill Road Freehold Company Ltd | Households | 2009 |
| 103 Nelson Road RTM Company Ltd | Households | 2023 |
| 103 Old Brompton Road RTM Company Ltd | Households | 2025 |
| 103 Oxford Gardens (Management) London Limited | Households | 1996 |
| 103 Palmerston Investments Limited | Real estate | 2012 |
| 103 Petherton Road Limited | Households | 2016 |
| 103 PPA Oak Limited | Real estate | 2026 |
| 103 Rentals Limited | Real estate | 2020 |
| 103 Riversdale Road Limited | Households | 2022 |
| 103 Russell Road (Wimbledon) Freeholders Limited | Households | 1999 |
| 103 South Hill Park RTM Company Limited | Extraterritorial | 2010 |
| 103 Spruce Hills Road Limited | Real estate | 2016 |
| 103 Streatham Hill Limited | Real estate | 2021 |
| 103 Sutherland Avenue Limited | Households | 2013 |
| 103 the Grove Limited | Real estate | 2013 |
| 103 Tollington Way Limited | Real estate | 2013 |
| 103 Tyrwhitt Road Freehold Company Limited | Households | 2025 |
| 103 Ventures Ltd | Professional & scientific | 2022 |
| 103 Walm Lane (Freehold) Limited | Households | 2007 |
| 103 Wandsworth Road Limited | Extraterritorial | 2025 |
| 103 Warwick Road Limited | Households | 2009 |
| 103 Whichmore Properties Limited | Real estate | 2018 |
| 103 Wilberforce Road Residents Management Company Limited | Households | 2014 |
| 103-105 Harley Street RTM Company Limited | Households | 2025 |
| 103-105 High Street Watford 2016 Limited | Other services | 2016 |
| 103-107 Mirabel Road Limited | Households | 2009 |
| 103/105 Alderney Street Limited | Households | 2000 |
| 103/105 Comeragh Road (London W14) Limited | Households | 2003 |
| 103/105 Sefton Court Management Company Limited | Real estate | 2000 |
| 10300296 Limited | Administrative & support | 2016 |
| 103A Park Street Limited | Real estate | 2008 |
| 103B Rosendale Road RTM Company Limited | Households | 2020 |
| 104 - 106 Mackenzie Road RTM Company Limited | Households | 2022 |
| 104 Anerley Road RTM Company Limited | Households | 2023 |
| 104 Blandford Street Management Limited | Professional & scientific | 2000 |
| 104 Blundell Street RTM Company Limited | Households | 2014 |
| 104 Bolingbroke Grove Management Company Limited | Real estate | 2010 |
| 104 Brooke Road Management Company Ltd | Households | 2016 |
| 104 Brookmill Road (Freehold) Limited | Households | 2019 |
| 104 Cambridge Street Residents Association Limited | Households | 1993 |
| 104 Ccns Ltd | Real estate | 2025 |
| 104 Charteris Freehold Limited | Real estate | 2018 |
| 104 Clarence Road RTM Company Ltd | Households | 2018 |
| 104 Commercial Limited | Real estate | 2019 |
| 104 Dalston Lane Freehold Limited | Households | 2013 |
| 104 Developments Ltd | Construction | 2016 |
| 104 Drakefell Road, London SE14 Tenants Management Company Limited | Households | 1988 |
| 104 Fentiman Road Limited | Households | 2006 |
| 104 Finborough Road Freehold Company Limited | Households | 2017 |
| 104 Gloucester Avenue Management Co Limited | Households | 2017 |
| 104 Greencroft Gardens Limited | Households | 1980 |
| 104 Hampden Road RTM Company Limited | Households | 2018 |
| 104 Harley Street Healthcare Clinic Limited | Health & social care | 2025 |
| 104 Impact Partners Ltd | Professional & scientific | 2025 |
| 104 Inverness Terrace Freehold Limited | Households | 2015 |