| 24HR Plumbing Ltd | Cardiff | 2025 |
| 24HR Roofing Limited | Derby | 2025 |
| 24HR Scaffolding Ltd | London | 2025 |
| 24HR Self Store Ltd | Manchester | 2015 |
| 24HRELECTRICALSERVICES Ltd | Hull | 2012 |
| 24HRS Plumbing & Heating Services Ltd | South Ockendon | 2016 |
| 24IV Ltd | Colchester | 2025 |
| 24REMOVAL Vans Limited | London | 2025 |
| 24SEVEN Consultancy Services Limited | Leeds | 2018 |
| 24TRADES Ltd | Peterborough | 2025 |
| 24UK Fitouts Limited | Melton | 2021 |
| 25 Barnet Limited | Elstree | 2016 |
| 25 High Street Alton Ltd | Bournemouth | 2018 |
| 25 KGF Holdings Ltd | Cheltenham | 2016 |
| 25 KGF Ltd | Moreton-In-Marsh | 2015 |
| 25 Oxshott Rise Ltd | London | 2014 |
| 25 Preston Park Limited | Brighton | 2020 |
| 25 Vincent Road Ltd | London | 2025 |
| 25 Westcliff Parade Ltd | Benfleet | 2024 |
| 25.STAR Limited | High Wycombe | 2020 |
| 25/8 Plumbing & Heating Ltd | Thornton Heath | 2013 |
| 250 WPR Ltd | Cardiff | 2019 |
| 2505 KS Rental Properties Ltd | Bradford | 2014 |
| 2512 Developments Limited | Colwyn Bay | 2020 |
| 252 Apolo Ltd | Stockport | 2025 |
| 252 Decorating Ltd | Bishop Auckland | 2026 |
| 253 Longford Road Ltd | Walsall | 2023 |
| 256 Heating and GAS Services Limited | Gorebridge | 2026 |
| 2580 Group Ltd | Birmingham | 2019 |
| 259 City Road Limited | London | 2003 |
| 25C Sussex Square Ltd | Hove | 2023 |
| 25ELECTRICAL Ltd | Glasgow | 2024 |
| 25LOWGATE Ltd | Stoke-On-Trent | 2019 |
| 25TH Century FOX Limited | Rickmansworth | 2015 |
| 26 Alness Road Limited | Hyde | 2014 |
| 26 Avery ROW Limited | Isleworth | 2023 |
| 26 CBK Limited | Edgware | 2020 |
| 26 Dublin Street Limited | Edinburgh | 2007 |
| 26 Fore Street Limited | Haslemere | 2025 |
| 26 HS Deal Ltd | London | 2025 |
| 26 New Cavendish Street Limited | London | 1955 |
| 26 Westcliff Parade Ltd | Benfleet | 2024 |
| 26, ELM Park Road Management Company Limited | London | 1977 |
| 26-28 Grosvenor Ltd | Aldershot | 2017 |
| 26-30 Paradise Road Limited | Keighley | 2023 |
| 262 High Holborn Limited | London | 2016 |
| 2624 Ltd | London | 2025 |
| 267 Developments Limited | London | 2026 |
| 268-272 High Road Ltd | Leytonstone | 2023 |
| 26:9 GAS & Heating Services Ltd | Oldham | 2021 |
| 27 - 35 Duke Street Management Company Limited | Elland | 2005 |
| 27 Burdon Lane Development Limited | Reigate | 2026 |
| 27 CW SM 2025 Ltd | London | 2025 |
| 27 Group Ltd | London | 2023 |
| 27 Homes Limited | Hove | 2020 |
| 27 Leigh Park Road Limited | Leigh On Sea | 2022 |
| 27 YMR Construction Ltd | Watford | 2024 |
| 270 - 272 London Road Ltd | London | 2026 |
| 271 Holdings Ltd | Barnstaple | 2023 |
| 2739 Trade and Finance Ltd | Hove | 2021 |
| 278 Civil Engineering Limited | Fleetwood | 2018 |
| 278 Create Ltd | Wimborne | 2013 |
| 27A-29 the Grove Ltd | Worthing | 2022 |
| 27TH Project Limited | Whyteleafe | 2023 |
| 28 Builders Ltd | London | 2025 |
| 28 Cheriton Gardens Limited | Folkestone | 2025 |
| 28 Eaton Ltd | Croydon | 2024 |
| 28 Groundworks and Civils Ltd | London | 2026 |
| 28 High Street Guildford Limited | London | 2024 |
| 28 MEP Ltd | Romford | 2025 |
| 28 Old Moat Limited | Manchester | 2026 |
| 28 Peaks Partners Ltd | London | 2017 |
| 28 ST James’S ST Ltd | Sherborne | 2008 |
| 28 Storeys Development and Brickwork Limited | Hook | 2024 |
| 28 Wilbury Villas (Hove) Management Company Limited | Hove | 1996 |
| 28 Windmill Lane Limited | Bournemouth | 2017 |
| 28-30 Liverpool Road Ltd | Salford | 2018 |
| 2805 Developments and Plant Hire Limited | Conwy | 2025 |
| 2805 Developments Limited | Conwy | 2025 |
| 281123 Limited | Dorchester | 2019 |
| 282 Building Solutions Ltd | Choppington | 2020 |
| 283 High Street Ltd | Harrow | 2020 |
| 285 Westbourne Grove Limited | London | 2010 |
| 285CF Ltd | Sheffield | 2026 |
| 286 Design Ltd | Leighton Buzzard | 2024 |
| 287 Bournemouth Road Management Company Limited | London | 2016 |
| 288 Chiswick Ltd | London | 2022 |
| 289 Limited | Ayr | 2023 |
| 28E Arctec Ltd | Waltham Abbey | 2019 |
| 29 Electrical Ltd | Sheffield | 2023 |
| 29 Heating Limited | Dartford | 2017 |
| 29 High Street Stockton on Tees Ltd | Leigh-On-Sea | 2021 |
| 29 Maresfield Construction Ltd | London | 2019 |
| 29 Shorncliffe Road Limited | Folkestone | 2025 |
| 290B Limited | Middlesex | 2015 |
| 292 Westbourne Grove Limited | London | 2007 |
| 294 Brigstock Road Limited | Brentwood | 1988 |
| 295 Constructions Limited | Romford | 2023 |
| 29660 Limited | Rochford | 2021 |
| 299/301 Westbourne Grove Limited | London | 2006 |