| 10INPUT Ltd | Information & communication | 2014 |
| 10IS Academy Limited | Arts & recreation | 2016 |
| 10K Investment Limited | Real estate | 2024 |
| 10K3D Limited | Professional & scientific | 2010 |
| 10K60 Limited | Administrative & support | 2020 |
| 10LINK Trading Ltd | Wholesale & retail | 2025 |
| 10LUXURY Ltd | Wholesale & retail | 2025 |
| 10M Defence Ltd | Public administration | 2026 |
| 10M Limited | Professional & scientific | 2018 |
| 10M Resilience Limited | Financial services | 2026 |
| 10MENGROUP Ltd | Financial services | 2025 |
| 10MIL Technologies Ltd | Information & communication | 2026 |
| 10MKGROUP Ltd | Hospitality | 2025 |
| 10MULTIPLY Ltd | Information & communication | 2024 |
| 10NAD Ltd | Professional & scientific | 2024 |
| 10NUMBER10 Limited | Hospitality | 2025 |
| 10P Street Capital Limited | Administrative & support | 2009 |
| 10PM Studio Ltd | Professional & scientific | 2015 |
| 10POINT6 Limited | Professional & scientific | 2018 |
| 10QBIT Limited | Professional & scientific | 2018 |
| 10REV Ltd | Information & communication | 2026 |
| 10S Studio Ltd | Other services | 2023 |
| 10S&20S Limited | Wholesale & retail | 2025 |
| 10SEC Ltd | Information & communication | 2025 |
| 10SIGMA Ltd | Financial services | 2016 |
| 10SJP (Salisbury) Limited | Real estate | 2003 |
| 10SJP Limited | Professional & scientific | 2005 |
| 10SJP NO.2 Limited | Professional & scientific | 2008 |
| 10STAR Holding Ltd | Information & communication | 2025 |
| 10TEN Barbers Limited | Other services | 2020 |
| 10TH Avenue Beauty Affairs Ltd | Wholesale & retail | 2023 |
| 10TH Mind Ltd | Professional & scientific | 2023 |
| 10TH Planet Agency Ltd | Professional & scientific | 2018 |
| 10TH Planet Productions Limited | Information & communication | 2016 |
| 10TIER Marketing Ltd | Wholesale & retail | 2022 |
| 10TRIFF UK Limited | Manufacturing | 2026 |
| 10X Academy Ltd | Education | 2025 |
| 10X Alchemy Limited | Real estate | 2025 |
| 10X Banking Technology Holdings Limited | Financial services | 2016 |
| 10X Banking Technology IP Holding Limited | Administrative & support | 2017 |
| 10X Banking Technology Limited | Information & communication | 2016 |
| 10X Banking Technology Services Limited | Information & communication | 2018 |
| 10X Banking Technology UK Limited | Information & communication | 2018 |
| 10X Business Automation Ltd | Professional & scientific | 2024 |
| 10X Business Limited | Professional & scientific | 2026 |
| 10X Collective Management Limited | Administrative & support | 2026 |
| 10X Creation Ltd | Information & communication | 2025 |
| 10X Global Corporate Ltd | Real estate | 2017 |
| 10X Holdings Ltd | Professional & scientific | 2017 |
| 10X Partners UK Ltd | Information & communication | 2025 |
| 10X React Ltd | Information & communication | 2022 |
| 10X-INVEST Limited | Financial services | 2017 |
| 10X10 Angels Limited | Financial services | 2022 |
| 10X10 Booths UK Limited | Professional & scientific | 2026 |
| 10XDIJITAL Ltd | Information & communication | 2025 |
| 10XF Ltd | Wholesale & retail | 2025 |
| 10XHT Ltd | Real estate | 2024 |
| 10XHUMANS Ltd | Information & communication | 2025 |
| 10XREVIV Ltd | Health & social care | 2024 |
| 10XSOLUTIONS Ltd | Information & communication | 2026 |
| 10XT Limited | Information & communication | 2024 |
| 10XTECH Labs Limited | Information & communication | 2023 |
| 10XUK Limited | Education | 2014 |
| 11 & 11A Isis Street Limited | Real estate | 2013 |
| 11 & 12 Dollis Court Limited | Real estate | 2015 |
| 11 & 12 Graywood Court Limited | Households | 2004 |
| 11 & 12 Kelman Close Management Company Limited | Real estate | 2007 |
| 11 11 11 Limited | Extraterritorial | 2009 |
| 11 Abdaal Ltd | Hospitality | 2026 |
| 11 Acre Ltd | Construction | 2019 |
| 11 Acton ST Freehold Limited | Extraterritorial | 2016 |
| 11 Albany Road Ltd | Households | 2023 |
| 11 Albury Street Ltd | Professional & scientific | 2013 |
| 11 Alston Ltd | Real estate | 2021 |
| 11 Ambler Road RTM Company Limited | Households | 2015 |
| 11 and 11A Barnard Road Management Limited | Households | 2007 |
| 11 and 11A Squirrels Heath Lane Freehold Ltd | Extraterritorial | 2014 |
| 11 and 13 Aylesbury Road Limited | Households | 2021 |
| 11 and 13 Greenford Avenue Limited | Professional & scientific | 1999 |
| 11 Anerley Hill SE19 (Management) Limited | Households | 1995 |
| 11 Archer Security Group Ltd | Administrative & support | 2025 |
| 11 Argyle Road Freehold Property Management Company Limited | Households | 2013 |
| 11 Artesian Road Limited | Households | 1999 |
| 11 Ashlake Road Limited | Households | 2023 |
| 11 Ashley Road Limited | Households | 2008 |
| 11 Astley Avenue Limited | Households | 2007 |
| 11 Avenue Park Road Limited | Households | 2017 |
| 11 Baalbec Road Freehold Limited | Households | 2016 |
| 11 Belitha Villas Management Company Limited | Households | 1996 |
| 11 Belsize Avenue Owners Association Limited | Households | 1984 |
| 11 Belsize Park Limited | Professional & scientific | 1998 |
| 11 Belsize Square Freehold Limited | Households | 2017 |
| 11 Bickerton Road Limited | Households | 2005 |
| 11 Bina Gardens Management Limited | Households | 1998 |
| 11 Bolton Gardens Freehold Company Limited | Households | 2022 |
| 11 Brackenbury Road Freehold Limited | Real estate | 2015 |
| 11 Bramham Gardens Management RTM Company Limited | Households | 2011 |
| 11 Bramley Road Limited | Real estate | 2015 |
| 11 Bramston Road Ltd | Households | 2004 |
| 11 Brewer Street Limited | Hospitality | 2018 |