| 778 SIX Limited | Real estate | 2025 |
| 77DIAMONDS Limited | Manufacturing | 2004 |
| 77HS Ltd | Information & communication | 2023 |
| 77K Limited | Construction | 2014 |
| 77PARTNERSHIP Limited | Administrative & support | 2008 |
| 77SWIMMERS Ltd | Arts & recreation | 2025 |
| 77UY Limited | Manufacturing | 2026 |
| 78 & 80 Amesbury Avenue Limited | Extraterritorial | 2014 |
| 78 & 80 Merritt Road RTM Company Ltd | Households | 2024 |
| 78 Advisory Ltd | Professional & scientific | 2026 |
| 78 and 80 Laleham Avenue Freehold Company Limited | Extraterritorial | 2014 |
| 78 and 80 Littlebury Road Management Company Limited | Households | 2025 |
| 78 Avondale Rise Limited | Households | 2006 |
| 78 Barmouth Road Limited | Extraterritorial | 2007 |
| 78 Barnsbury Road Limited | Households | 2003 |
| 78 Belleville Road SW11 6PP Limited | Professional & scientific | 2011 |
| 78 Canfield Gardens NW6 Limited | Households | 2005 |
| 78 Cannon Street GP Limited | Construction | 2002 |
| 78 Cannon Street Limited Partnership | | 2002 |
| 78 Cathcart Road Management Limited | Households | 1998 |
| 78 Coverton Road Management Limited | Households | 2025 |
| 78 Cowcross Limited | Real estate | 2022 |
| 78 Crystal Palace Park Road Limited | Households | 1985 |
| 78 Culverden Road Limited | Financial services | 2021 |
| 78 Denton Road (Hornsey) Limited | Households | 2006 |
| 78 Developments Ltd | Real estate | 2022 |
| 78 Duckett Road RTM Company Limited | Households | 2026 |
| 78 Eaton Place Limited | Households | 1986 |
| 78 Fleet Road Limited | Real estate | 2016 |
| 78 Gilbey Limited | Professional & scientific | 2019 |
| 78 Goldhurst Limited | Real estate | 2012 |
| 78 Greencroft Gardens Management Limited | Households | 2004 |
| 78 Halsbury Invest Ltd | Real estate | 2024 |
| 78 High Street RTM Company Limited | Households | 2006 |
| 78 Highbury Park (Freehold) Limited | Professional & scientific | 2007 |
| 78 Ifield Road Limited | Households | 1999 |
| 78 Inverness Limited | Households | 2000 |
| 78 Kensington Church Street Freehold Limited | Households | 2011 |
| 78 Leicester Road Ltd | Real estate | 2019 |
| 78 Lexham Gardens Management Co Limited | Households | 2000 |
| 78 Lordship Park (Freehold) Company Limited | Households | 2016 |
| 78 Meadow Road Management Limited | Households | 2005 |
| 78 Meat and Fish Limited | Wholesale & retail | 2021 |
| 78 Messina Avenue (1996) Limited | Households | 1996 |
| 78 Milson Road Management Limited | Households | 2007 |
| 78 Milton Park RTM Company Limited | Households | 2021 |
| 78 Morning Lane Limited | Real estate | 2013 |
| 78 Mortimer Road Management Company Limited | Households | 2017 |
| 78 Munster Road Management Company Limited | Households | 2006 |
| 78 North Ltd | Real estate | 2025 |
| 78 Over 37 Limited | Information & communication | 2025 |
| 78 Palmerston Road N22 Limited | Households | 2018 |
| 78 Productions Limited | Arts & recreation | 2015 |
| 78 Ridge Road Limited | Households | 1996 |
| 78 Sandmere Road Property Management Limited | Real estate | 2017 |
| 78 ST Donatt's Road Freehold Limited | Households | 2017 |
| 78 ST George's Square Management Limited | Households | 2000 |
| 78 Strode Road Limited | Households | 2026 |
| 78 Sutherland Avenue Tenants Limited | Households | 2007 |
| 78 the Chase Limited | Households | 1999 |
| 78 the Chase Management Ltd | Real estate | 2024 |
| 78 Trinity Road Limited | Households | 2005 |
| 78 Valetta Road Limited | Households | 2024 |
| 78 Victoria Road Freehold Limited | Households | 2019 |
| 78 Wargrave Ltd | Real estate | 2024 |
| 78 WBR Freehold Limited | Households | 2021 |
| 78 West END Lane Freehold Limited | Households | 2018 |
| 78 Whitworth Road Management Company Limited | Real estate | 2008 |
| 78 Woodlands Management Company Limited | Households | 2021 |
| 78-106 Buchanan Road RTM Company Limited | Households | 2025 |
| 78-80 Tynemouth Road Freehold Company Limited | Households | 2026 |
| 78/78A Cecilia Road Ltd | Real estate | 2010 |
| 786 Automotive Ltd | Wholesale & retail | 2023 |
| 786 Card Limited | Financial services | 2012 |
| 786 Developments Limited | Construction | 2019 |
| 786 Dimension Limited | Hospitality | 2019 |
| 786 E17 Traders Ltd | Wholesale & retail | 2026 |
| 786 Fashion Limited | Wholesale & retail | 2015 |
| 786 Films Limited | Arts & recreation | 2020 |
| 786 GAS Plumbers Ltd | Construction | 2025 |
| 786 Hire Ltd | Transport & logistics | 2026 |
| 786 Holdco Ltd | Financial services | 2024 |
| 786 Infinite Ltd | Wholesale & retail | 2020 |
| 786 Jewellers Ltd | Wholesale & retail | 2025 |
| 786 Marble Arch Investments Limited | Real estate | 2022 |
| 786 Mini CAB Ltd | Transport & logistics | 2025 |
| 786 Motor Solutions Ltd | Wholesale & retail | 2014 |
| 786 Motors Ltd | Administrative & support | 2015 |
| 786 Properties London Ltd | Real estate | 2019 |
| 786 Riders Ltd | Administrative & support | 2020 |
| 786 Services Limited | Administrative & support | 2003 |
| 786 Tradco Ltd | Agriculture & fishing | 2024 |
| 786 Universal Goods Ltd | Wholesale & retail | 2016 |
| 786 Whispering Meadows Limited | Real estate | 2026 |
| 786-92 BH14 Charlie's Ltd | Real estate | 2019 |
| 7861230 Ltd | Other services | 2026 |
| 7867 Ltd | Financial services | 2018 |
| 789 Ltd | Administrative & support | 2018 |
| 78CHATSWORTHROAD Ltd | Households | 2025 |
| 78CO Ltd | Wholesale & retail | 2025 |