| 23 Advisory Limited | London | 2025 |
| 23 Alma Road Ltd | Dartmouth | 2025 |
| 23 April Holdings Limited | Luton | 2022 |
| 23 Equity Limited | London | 2026 |
| 23 Finance Limited | London | 2025 |
| 23 Holdings Ltd | London | 2025 |
| 23 Inc Group Ltd | Newcastle Upon Tyne | 2025 |
| 23 KR Investments | Birmingham | 2017 |
| 23 Miles Ltd | Newcastle Upon Tyne | 2012 |
| 23 SPV Ltd | Liverpool | 2020 |
| 23 Thurloe Square Limited | London | 2021 |
| 23.5 Degrees Holdings Limited | London | 2015 |
| 2305 Ltd | Ilkley | 2022 |
| 2310 Group Limited | London | 2026 |
| 232 Group Ltd | Rochdale | 2026 |
| 234 Brockley Road Property Limited | Sunderland | 2014 |
| 23CG Holdings Limited | Reigate | 2024 |
| 24 British Estates Limited | London | 2017 |
| 24 Broad Street Limited | Lincoln | 2025 |
| 24 Capital Management UK Limited | Altrincham | 2026 |
| 24 Group Limited | London | 2008 |
| 24 Indoor UK Ltd | Sutton | 2025 |
| 24 International Holding Ltd. | Lichfield | 2022 |
| 24 Mortgage & Financial Services Limited | Thetford | 2024 |
| 24 QW Ltd | London | 2025 |
| 24 Trading Services Limited | Glasgow | 2026 |
| 24 Wealth Limited | Bognor Regis | 2025 |
| 24 Woodborough Road Limited | London | 2017 |
| 24-38 Green Lane Holdings Ltd | London | 2020 |
| 24-7 Cumbria Limited | Knutsford | 2025 |
| 24-7 East England Limited | Knutsford | 2025 |
| 24.8.2024 Limited | London | 2024 |
| 24/7 Concrete & Syme Group Ltd | Leyburn | 2026 |
| 24/7 Investment Management Ltd | Chester | 2019 |
| 241 (Holdings) Ltd | Birmingham | 2020 |
| 2410 Holdings Ltd | London | 2024 |
| 2410 Trading Limited | Leeds | 2025 |
| 243 Investments Ltd | London | 2023 |
| 244 West Knoll Limited | London | 2014 |
| 245 Group Ltd | Mayfair | 2017 |
| 245 Holdings Limited | Leicester | 2017 |
| 24601 Holdings Ltd | Burscough | 2023 |
| 247 Defender Limited | Gloucester | 2020 |
| 247 Group Holdings Limited | Manchester | 2017 |
| 247 Money Group Holdings Limited | Manchester | 2018 |
| 247 Rooms Limited | Doncaster | 2017 |
| 247 Staywarm Limited | Burnley | 2018 |
| 247AUTOMOTIVEGROUP Ltd | Cwmbran | 2025 |
| 247ONLINEESTATEAGENT Ltd | Willenhall | 2019 |
| 248 Holdings Ltd | Newton-Le-Willows | 2021 |
| 24HAYMARKET Limited | London | 2012 |
| 24HAYMARKET Nominees Limited | London | 2015 |
| 24HRS Comfort Healthcare Ltd | Margate | 2013 |
| 24I Holdings Limited | Cambridge | 2019 |
| 24K Management Ltd | London | 2025 |
| 24MSA Holdings Ltd | Suffolk | 2024 |
| 24X2 Investments Limited | Peterhead | 2003 |
| 24X7 Group Holdings Limited | Dunmow | 2020 |
| 24X7 Vista Solutions Ltd | Doncaster | 2025 |
| 25 Broad Street Limited | Nottingham | 2017 |
| 25 Eleven Partners Limited | London | 2025 |
| 25 Fleetway West Ltd | Greenford | 2020 |
| 25 Luke Street Limited | London | 2008 |
| 25 Percent Limited | London | 2026 |
| 250 Limited | London | 2017 |
| 2511 Group Ltd | Lichfield | 2021 |
| 2516 Holdings Limited | Nottingham | 2024 |
| 2519 Ltd | Sowerby Bridge | 2026 |
| 254 Investments Ltd | Leicester | 2025 |
| 25565 Ltd | Bury | 2024 |
| 2579 Limited | Leigh-On-Sea | 2025 |
| 258 Capital Limited | London | 2024 |
| 26 Cambridge Road Ltd | Bromley | 2003 |
| 26 Degrees Global Markets (UK) Limited | London | 2023 |
| 26 Group Limited | Swinton | 2026 |
| 26 Highgate West Hill Freehold Company Limited | London | 2015 |
| 26 Park AVE Limited | Gateshead | 2020 |
| 26 Prime Limited | London | 2026 |
| 26 Red Limited | London | 2025 |
| 26 Roehampton Close Limited | Buckhurst Hill | 2021 |
| 260 Degrees West | Leeds | 2021 |
| 265 TET Limited | Solihull | 2020 |
| 268 Holdings Limited | Chelmsford, Essex | 2023 |
| 26HL Holdings Limited | Sawbridgeworth | 2021 |
| 27 D1MENSIONS (Holdings) Limited | Sheffield | 2025 |
| 27 Fleet Street Birmingham Holdco Limited | London | 2023 |
| 27 Hammersmith Grove Holdco Limited | Huddersfield | 2023 |
| 27 Lancaster Gate Holdings Limited | London | 2022 |
| 27 Noble Holdings Ltd | Windsor | 2025 |
| 27 North Consulting Limited | Tadley | 2023 |
| 27 Oast Limited | Cranbrook | 2017 |
| 27 Tzfet Estates Limited | London | 2023 |
| 270384 Ltd | London | 2026 |
| 272 CGR Ltd | Luton | 2022 |
| 2728 Holdings Limited | Swansea | 2021 |
| 275 Holding Ltd | Edinburg | 2025 |
| 276 Ford Ltd | Wimbledon | 2018 |
| 2776 Investments Limited | Crewe | 2024 |
| 278 Investments Ltd | Liverpool | 2025 |
| 27FOUR (UK) Ltd | Cambridge | 2024 |