| 26 Church Street NW8 Limited | Other services | 2012 |
| 26 Clanricarde Gardens Limited | Households | 2014 |
| 26 Clifford Road RTM Company Limited | Households | 2026 |
| 26 Colehill Lane Freehold Ltd | Households | 2016 |
| 26 Comeragh Road Limited | Real estate | 2009 |
| 26 Comyn Road Management Company Limited | Households | 2000 |
| 26 Coombe Lane RTM Company Ltd | Households | 2022 |
| 26 Courcy Road Limited | Households | 2017 |
| 26 Coverdale Road Management Company Limited | Extraterritorial | 2002 |
| 26 Craven St.Rtm Company Limited | Households | 2011 |
| 26 Crediton Road (Management) Limited | Households | 2003 |
| 26 Crookham Road Freehold Ltd | Households | 2017 |
| 26 CS Commercial Limited | Real estate | 2025 |
| 26 Cyprus Road Management Company Limited | Households | 1987 |
| 26 Dalmeny Road (Freehold) Limited | Extraterritorial | 2020 |
| 26 Dean Street Limited | Real estate | 2024 |
| 26 Degrees Global Markets (UK) Limited | Financial services | 2023 |
| 26 Denholme Road Management Limited | Households | 2005 |
| 26 Digital Solutions Ltd | Information & communication | 2019 |
| 26 Dolphins Ltd | Wholesale & retail | 2024 |
| 26 Draycott Place Limited | Households | 1992 |
| 26 Dryden Road Freehold Company Limited | Real estate | 2019 |
| 26 Dunlace Road Limited | Real estate | 2022 |
| 26 Dyne Road Limited | Real estate | 2000 |
| 26 Earl's Court Square Limited | Households | 2000 |
| 26 East Tenter Street Management Ltd | Households | 2011 |
| 26 Eastnor Road Freehold Limited | Households | 2008 |
| 26 Elbe Street Management Company Limited | Households | 2017 |
| 26 Elsham Road Management Company Limited | Households | 1996 |
| 26 EMU Road Limited | Extraterritorial | 2014 |
| 26 Enterprise Ltd | Information & communication | 2020 |
| 26 EP Freehold Limited | Other services | 2010 |
| 26 Estates Limited | Real estate | 2014 |
| 26 Ethelbert Road RTM Company Limited | Households | 2017 |
| 26 Factory Lane Limited | Real estate | 2015 |
| 26 Fletcher Lane RTM Company Ltd | Households | 2017 |
| 26 Fransfield Grove Management Limited | Households | 2003 |
| 26 Gauden Road Limited | Households | 2019 |
| 26 Gayton Road Management Limited | Households | 1992 |
| 26 Gledhow Gardens Limited | Households | 2002 |
| 26 Gleneagle Road Management Company Ltd | Households | 2021 |
| 26 Gleneldon Road RTM Company Ltd | Households | 2021 |
| 26 Glenloch Road Management Company Limited | Households | 1990 |
| 26 Gondar Gardens London NW6 Limited | Real estate | 1987 |
| 26 Gordon Place (NO. 2) Limited | Real estate | 1994 |
| 26 Grafton Road Limited | Households | 2025 |
| 26 Grains Limited | Wholesale & retail | 2015 |
| 26 Granville Park Management Limited | Households | 2010 |
| 26 Grosvenor Road Management Limited | Real estate | 2002 |
| 26 Hanover Park Limited | Households | 2017 |
| 26 Hans Road Limited | Real estate | 2023 |
| 26 Hans Road Maintenance Limited | Households | 1975 |
| 26 Harcourt Terrace Limited | Households | 2000 |
| 26 Hartham Road Management Company Limited | Real estate | 2015 |
| 26 Hatton Garden Tenant Limited | Real estate | 2018 |
| 26 Henderson Road (Freehold) Limited | Households | 2015 |
| 26 Heyford Avenue (Freehold) Limited | Households | 2013 |
| 26 Highgate West Hill Freehold Company Limited | Financial services | 2015 |
| 26 Highgate West Hill Limited | Arts & recreation | 2018 |
| 26 Hornton Street Limited | Households | 2020 |
| 26 HS Deal Ltd | Construction | 2025 |
| 26 Hungerford Road Management Company Limited | Hospitality | 1991 |
| 26 Ickburgh Road Management Company Limited | Extraterritorial | 1996 |
| 26 Inglis Road Limited | Real estate | 2020 |
| 26 Inglis Road Residents Ltd | Households | 2025 |
| 26 Investments Ltd | Real estate | 2022 |
| 26 Kensington Court Limited | Households | 2010 |
| 26 Kidbrooke Park Road RTM Company Limited | Households | 2023 |
| 26 Kings Road Management Limited | Real estate | 2003 |
| 26 Lambourn Road Limited | Households | 2015 |
| 26 Leake Street Limited | Hospitality | 2018 |
| 26 Leinster Terrace Limited | Hospitality | 2024 |
| 26 Lennox Gardens Freehold Limited | Households | 2026 |
| 26 Lime Grove Management Company Limited | Households | 1998 |
| 26 Linthorpe Ltd | Real estate | 2021 |
| 26 Lofting Road Limited | Extraterritorial | 2002 |
| 26 Mapesbury Road Limited | Households | 2002 |
| 26 Margravine Gardens Limited | Real estate | 2010 |
| 26 Margravine Road RTM Company Limited | Households | 2009 |
| 26 Marmora Road RTM Company Limited | Households | 2008 |
| 26 Mattock Lane Limited | Households | 2004 |
| 26 Mepham Invest Ltd | Real estate | 2025 |
| 26 Mile Consultancy Ltd | Information & communication | 2015 |
| 26 Minet Avenue Freehold Limited | Households | 2017 |
| 26 Montpelier Road Management Limited | Households | 2026 |
| 26 Moreton Road Ltd | Households | 2017 |
| 26 Morley RD Limited | Households | 2015 |
| 26 Mount Terrace Limited | Households | 2009 |
| 26 Mountview Limited | Households | 1997 |
| 26 Mundania Road Limited | Households | 2008 |
| 26 Nevern Place RTM Company Ltd | Households | 2011 |
| 26 New Cavendish Street Limited | Construction | 1955 |
| 26 North Hill London N6 Limited | Households | 2004 |
| 26 Northlands Street (London) Limited | Households | 2026 |
| 26 Northwold Road Limited | Households | 2019 |
| 26 Nottingham Road Management Limited | Extraterritorial | 2008 |
| 26 NS Freehold Ltd. | Households | 1995 |
| 26 Oak Grove Limited | Real estate | 2016 |
| 26 Ongar Road Limited | Households | 1987 |
| 26 P Road Limited | Households | 2026 |