| 41 Degrees Ltd | Construction | 2017 |
| 41 Hayter Road Freehold Ltd | Real estate | 2013 |
| 42 Bouverie Road Management Ltd | Households | 1998 |
| 42 Norwich Road RTM Company Limited | Real estate | 2015 |
| 426 Avebury Boulevard RTM Company Ltd | Households | 2015 |
| 42ND Floor Studios Ltd | Manufacturing | 2025 |
| 43-44 Princes Road RTM Company Limited | Real estate | 2009 |
| 44 Design Limited | Professional & scientific | 2013 |
| 44PIXELS Limited | Information & communication | 2024 |
| 45 Primrose Bedford Limited | Real estate | 2020 |
| 46 Newport Road Freehold Limited | Households | 2025 |
| 46 Newport Road RTM Company Limited | Households | 2022 |
| 46 Radcliffe Street Ltd | Real estate | 2022 |
| 46S Consulting Ltd | Information & communication | 2024 |
| 47 Brand Europe Limited | Manufacturing | 2011 |
| 47 Cafe Bar Ltd | Hospitality | 2023 |
| 49'S Group Limited | Financial services | 2021 |
| 49’S (1996) Limited | Arts & recreation | 1996 |
| 49’S Limited | Arts & recreation | 2017 |
| 4ALLSPORTS CIC | Arts & recreation | 2023 |
| 4D Cosmetics Limited | Other services | 2023 |
| 4DS Investments Ltd | Real estate | 2018 |
| 4DS IT Ltd | Information & communication | 2016 |
| 4FX Design & Multimedia Limited | Administrative & support | 2000 |
| 4FX Limited | Extraterritorial | 2013 |
| 4I Ventures Limited | Administrative & support | 2023 |
| 4ICLOUD Limited | Information & communication | 2023 |
| 4J Consulting Limited | Information & communication | 2009 |
| 4LINES Ltd | Wholesale & retail | 2024 |
| 4LINKS Holdings Limited | Financial services | 2025 |
| 4LINKS Limited | Manufacturing | 2000 |
| 4MI Properties Limited | Real estate | 2021 |
| 4U Tech Holdings Limited | Financial services | 2024 |
| 4U Tech Limited | Wholesale & retail | 2024 |
| 4VM Limited | Administrative & support | 2025 |
| 4YP UK Limited | Education | 2011 |
| 5 Dimensions Trust | Education | 2011 |
| 5 Fitness Limited | Education | 2020 |
| 5 ST. Johns Wood Road Limited | Real estate | 2015 |
| 5 Vicarage Park RTM Company Limited | Households | 2014 |
| 50 - 54 Aylesbury ST Limited | Real estate | 2020 |
| 50+ Finance Limited | Extraterritorial | 2002 |
| 5FRIENDS Ltd | Hospitality | 2026 |
| 5G Telecom Ltd | Wholesale & retail | 2022 |
| 5M Travel Services Ltd | Administrative & support | 2012 |
| 5ROV Ltd | Transport & logistics | 2024 |
| 5TH Avenue Housing Ltd | Real estate | 2021 |
| 60 Goldsboro' Road Limited | Real estate | 2005 |
| 62 Quantock Management Ltd | Households | 2024 |
| 620 South 10TH ST Ltd | Real estate | 2025 |
| 628 South 10TH ST Ltd | Real estate | 2025 |
| 629 South Eighth Street Limited | Real estate | 2016 |
| 63 Leverson Street RTM Company Limited | Households | 2022 |
| 66 Watling Street Management Company Limited | Households | 1994 |
| 68 Harwood Road Limited | Households | 2017 |
| 68-70 Cavendish Road Ltd | Real estate | 1991 |
| 6G Consulting Limited | Information & communication | 2019 |
| 6K Transport Ltd | Transport & logistics | 2024 |
| 7 & T Limited | Transport & logistics | 2024 |
| 7 - 12 Castle Acre Ltd | Administrative & support | 2010 |
| 7 Conlis Ltd | Real estate | 2022 |
| 7 Craven Park Limited | Households | 2008 |
| 7 Hills Balaji Limited | Real estate | 2024 |
| 7 Hills Solutions Ltd | Information & communication | 2013 |
| 725 Ventures Limited | Real estate | 2022 |
| 728 International Limited | Real estate | 2020 |
| 728 UK Limited | Real estate | 2020 |
| 73 Park Hill Residents Limited | Households | 1996 |
| 74 Castellain Road Limited | Households | 2002 |
| 74 Harley Street (Management) Limited | Households | 2002 |
| 77DEGREES Ltd | Professional & scientific | 2019 |
| 78 Edith Grove Limited | Households | 1998 |
| 7B Ltd | Professional & scientific | 2014 |
| 7O3 Associates Limited | Professional & scientific | 2017 |
| 7TH Book Ltd | Information & communication | 2025 |
| 7TH Inc Limited | Other services | 2023 |
| 7VORTEX Limited | Real estate | 2019 |
| 7ZERO8 Ventures Ltd | Real estate | 2026 |
| 8 Frant Road Limited | Households | 2000 |
| 8 West Street Management Co Ltd | Households | 2007 |
| 81 Courthill Road Residents' Association Limited | Households | 2002 |
| 824 Group Ltd | Financial services | 2019 |
| 824 Properties Ltd | Real estate | 2023 |
| 84 Holdings Ltd | Professional & scientific | 2023 |
| 86 High Street Ramsey Management Company Limited | Real estate | 2010 |
| 87 Clarendon Road Management Company Limited | Households | 2005 |
| 888 INT Limited | Information & communication | 2009 |
| 888 Poker Limited | Information & communication | 2011 |
| 88888888 Limited | Administrative & support | 2021 |
| 888SPORT Limited | Information & communication | 2009 |
| 88MPH Limited | Administrative & support | 2020 |
| 896532RC Ltd | Information & communication | 2014 |
| 8CUBE Ltd | Real estate | 2022 |
| 9 Flamville Limited | Real estate | 2023 |
| 9 Jeypore Road Limited | Real estate | 2017 |
| 928938KM Ltd | Information & communication | 2014 |
| 99 Concepts (Global) Limited | Information & communication | 2025 |
| 99 Digital Ltd | Wholesale & retail | 2021 |
| 99 Talent Ltd | Administrative & support | 2024 |
| 9EONS Limited | Information & communication | 2007 |