| 69 Woodland Gardens Limited | Households | 2016 |
| 69 Woodstock Freehold Ltd | Households | 2019 |
| 69, Upper Tollington Park N4 Management Company Limited | Extraterritorial | 1999 |
| 69-71 Harcourt Terrace Limited | Real estate | 1998 |
| 69-75 Franche Court Road Ltd | Households | 2015 |
| 69-79 Moundfield Road Limited | Construction | 2018 |
| 69-85 Old Street Ltd | Real estate | 2026 |
| 69/70 Trinity Road Limited | Households | 2018 |
| 69/70/71 Holland Park Limited | Households | 1986 |
| 69/71 Avarn Road Management Company Limited | Households | 2002 |
| 69/71 Ledbury Road Management Company Ltd | Households | 2001 |
| 69/73 Clabon Mews Limited | Extraterritorial | 2009 |
| 690 WTN Ltd | Real estate | 2023 |
| 691 Fulham Road Ltd | Real estate | 2025 |
| 694 Properties Limited | Real estate | 2014 |
| 69420SOLES Ltd | Wholesale & retail | 2023 |
| 696 Ltd | Extraterritorial | 2026 |
| 696 Mangal Limited | Hospitality | 2025 |
| 697 Ltd | Extraterritorial | 2026 |
| 698 Ltd | Extraterritorial | 2026 |
| 699 Ltd | Extraterritorial | 2026 |
| 69A Streatham Hill Limited | Real estate | 2018 |
| 69FASHION House Limited | Wholesale & retail | 2025 |
| 69SHR (Freehold) Limited | Households | 2012 |
| 69SHR RTM Company Limited | Households | 2011 |
| 6:40 Ltd | Wholesale & retail | 2024 |
| 6A Acre Lane Limited | Real estate | 2024 |
| 6A Limited | Professional & scientific | 1999 |
| 6AAT Ltd | Information & communication | 2025 |
| 6AE Property Management Limited | Households | 1981 |
| 6AM Collective Ltd | Professional & scientific | 2025 |
| 6AM Cycling Limited | Arts & recreation | 2015 |
| 6AM Development Limited | Real estate | 2015 |
| 6AM Group Ltd | Professional & scientific | 2024 |
| 6AMSOLUTION.PK Limited | Wholesale & retail | 2024 |
| 6ARCLEC Limited | Real estate | 2021 |
| 6BASS Ltd | Professional & scientific | 2026 |
| 6BC Services Ltd | Professional & scientific | 2025 |
| 6BEETZ Ltd | Wholesale & retail | 2021 |
| 6BP Limited | Real estate | 2021 |
| 6C Arsr Ltd | Other services | 2022 |
| 6C Yogi Ltd | Real estate | 2024 |
| 6CANTA Ltd | Wholesale & retail | 2025 |
| 6CATS Compliance Ltd. | Administrative & support | 2010 |
| 6CATS International Ltd. | Information & communication | 2010 |
| 6CLICKS International Ltd | Information & communication | 2020 |
| 6COM Limited | Wholesale & retail | 2015 |
| 6CONNEX Emea Ltd | Information & communication | 2017 |
| 6CONNEX UK Limited | Information & communication | 2020 |
| 6CORE Franchise Ltd | Wholesale & retail | 2021 |
| 6D8 Ltd | Information & communication | 2014 |
| 6DG Holdco Limited | Financial services | 2022 |
| 6DG Topco Limited | Financial services | 2022 |
| 6DR Limited | Construction | 2024 |
| 6ED Properties Ltd | Real estate | 2024 |
| 6ELLEVEN Limited | Transport & logistics | 2019 |
| 6EQUJ5 Ltd | Arts & recreation | 2023 |
| 6FIGURE Earner Ltd | Professional & scientific | 2025 |
| 6FS Limited | Arts & recreation | 2019 |
| 6FT Shorty Entertainment Ltd | Information & communication | 2006 |
| 6FT Ventures Ltd | Financial services | 2024 |
| 6FTHIGH Ltd | Wholesale & retail | 2021 |
| 6GEARS Driving School Ltd | Education | 2025 |
| 6GW Limited | Households | 2018 |
| 6H Ltd | Financial services | 2021 |
| 6HQ Limited | Real estate | 2002 |
| 6HWSQ Ltd | Real estate | 2025 |
| 6IGMA Ltd | Construction | 2026 |
| 6IX Properties Ltd | Real estate | 2025 |
| 6IX Supply Limited | Wholesale & retail | 2025 |
| 6IX ZER Limited | Transport & logistics | 2025 |
| 6IXFIRM Ltd | Administrative & support | 2024 |
| 6IXHOUSES Ltd | Real estate | 2026 |
| 6IXTEEN37 Limited | Construction | 2011 |
| 6IXTH November Ltd | Wholesale & retail | 2024 |
| 6IXTH Sense Properties Ltd | Real estate | 2025 |
| 6JAMESSUTTON Limited | Real estate | 2021 |
| 6K Capital Ltd | Financial services | 2024 |
| 6KEXPRESS Deliveries Ltd | Transport & logistics | 2026 |
| 6KI Limited | Professional & scientific | 2018 |
| 6M4 Ltd | Wholesale & retail | 2025 |
| 6MINUTES Labs Limited | Information & communication | 2026 |
| 6MINUTES Ltd | Information & communication | 2025 |
| 6MM LLP | | 2016 |
| 6NINE26 Limited | Other services | 2020 |
| 6OCR Ltd | Construction | 2026 |
| 6P Biotech Limited | Wholesale & retail | 2019 |
| 6PBC Ltd | Wholesale & retail | 2021 |
| 6PERCENT Ltd | Wholesale & retail | 2022 |
| 6PHY Ltd | Real estate | 2005 |
| 6PLUS4 Ltd | Information & communication | 2015 |
| 6PORTALS Ltd | Wholesale & retail | 2021 |
| 6R UK Ltd | Information & communication | 2019 |
| 6S Consulting Ltd | Professional & scientific | 2025 |
| 6S Developments Ltd | Real estate | 2017 |
| 6S Media Group Ltd | Information & communication | 2019 |
| 6S Systems Ltd | Administrative & support | 2018 |
| 6SENSE Insights UK Limited | Information & communication | 2021 |
| 6SIDES Limited | Administrative & support | 2006 |
| 6SL Fashion Limited | Wholesale & retail | 2021 |