| 4J Group Ltd | Sheffield | 2026 |
| 4J Holdings Limited | Twickenham | 2018 |
| 4J Portman Mansions Ltd | 1A Frognal | 2025 |
| 4J Properties UK Limited | Maidstone | 2024 |
| 4J Property Holdings Ltd | London | 2026 |
| 4J Property Limited | Tewkesbury | 2021 |
| 4JL Ltd | Cullen | 2018 |
| 4JM Properties Limited | Dorridge | 2021 |
| 4JNG Properties Limited | Merthyr Tydfil | 2011 |
| 4JPS Ltd | Bournemouth | 2012 |
| 4JSPROPERTY Ltd | Bexleyheath | 2026 |
| 4K (EA) Ltd | Leicester | 2026 |
| 4K Asset Management Ltd | Leicester | 2020 |
| 4K Holdco Ltd | Leicester | 2026 |
| 4K Investment Limited | London | 2019 |
| 4K Lettings Ltd | Leicester | 2022 |
| 4K Properties Limited | Twickenham | 2018 |
| 4K Property Ltd | Dumfries | 2023 |
| 4K Venture Limited | Warwick | 2021 |
| 4KALGROUP Ltd | Wickford | 2025 |
| 4KH Property Management Ltd | London | 2026 |
| 4KIWI Ltd | London | 2022 |
| 4KK4 Investments UK Ltd | Manchester | 2025 |
| 4KON Ltd | Manchester | 2022 |
| 4KONCEPT Ltd | Derby | 2021 |
| 4KP Limited | Lydney | 2023 |
| 4KS Properties & Investments Ltd | London | 2026 |
| 4L Investments Ltd | Uxbridge | 2013 |
| 4L Property Investment Ltd | Glasgow | 2025 |
| 4LABI Limited | London | 2023 |
| 4LEX Properties Ltd | Manchester | 2019 |
| 4LIFE Capital Ltd | Hounslow | 2021 |
| 4LIFE Properties Ltd | Stockton-On-Tees | 2023 |
| 4LIFE Property Group Ltd | Bury | 2025 |
| 4LIME Ltd | London | 2023 |
| 4LIONSPROPERTY Ltd | Burnley | 2026 |
| 4LIVE Property Ltd | London | 2024 |
| 4LNM Ltd | Dundee | 2025 |
| 4LOWNDES Limited | Hailsham | 2021 |
| 4M (NO2) Ltd | Edinburgh | 2024 |
| 4M Capital Limited | Edinburgh | 2012 |
| 4M Developments Ltd. | Harrow | 2018 |
| 4M Estates Limited | Bristol | 2025 |
| 4M Estates SW Ltd | Cardiff Gate Business Park | 2025 |
| 4M Investments Limited | Borehamwood | 1996 |
| 4M Letting Limited | Hitchin | 2018 |
| 4M Lifestyle Limited | Maidenhead | 2013 |
| 4M Pro Ltd | Ashford | 2025 |
| 4M Propco Ltd | Bolton | 2018 |
| 4M Properties Group Ltd | Leamington Spa | 2020 |
| 4M Properties Limited | Shrewsbury | 2010 |
| 4M Property (Scotland) Ltd | Glasgow | 2019 |
| 4M Property Estates Limited | Leeds | 2024 |
| 4M Property Management Ltd | Birmingham | 2022 |
| 4M Property Partners Limited | Nottingham | 2013 |
| 4M Property Solutions Limited | Feltham | 2025 |
| 4M SAI Group Limited | Brentwood | 2022 |
| 4M Strategic Partners Ltd | Kent | 2008 |
| 4M Wealth Ltd | London | 2024 |
| 4M4G Homes Limited | Nottingham | 2017 |
| 4M5G Trading Ltd | Nottingham | 2023 |
| 4MAX Properties Ltd | Southampton | 2026 |
| 4MELO&CO Investments Limited | Walsall | 2025 |
| 4MI Group Ltd | London | 2021 |
| 4MI Limited | Basingstoke | 2011 |
| 4MI Properties Limited | Milton Keynes | 2021 |
| 4MOORE Solutions Ltd | Coventry | 2017 |
| 4MORE Investments Limited | London | 2008 |
| 4MOSS Properties Limited | Leicester | 2023 |
| 4MOST Developments Limited | Whitchurch | 2012 |
| 4MS Developments Limited | Yeovil | 2024 |
| 4MS Property Limited | London | 2024 |
| 4MS Ventures Limited | Plymouth | 2011 |
| 4MSQUARED Properties Limited | Egham | 2017 |
| 4MUSKETEERS Limited | Coventry | 2023 |
| 4N Properties Ltd | Southampton | 2025 |
| 4NANCY Investments Limited | Dartford | 2023 |
| 4ND Limited | Harrogate | 2017 |
| 4NG Properties Ltd | Northolt | 2025 |
| 4NORTH Ltd | Grantown-On-Spey | 2026 |
| 4NOW & 4EVER Homes Limited | Birmingham | 2022 |
| 4NU Limited | Wolverhampton | 2011 |
| 4NUJ Limited | Wolverhampton | 2019 |
| 4O Cotleigh Road Management Company Limited | London | 2005 |
| 4OAK Property Limited | Sutton Coldfield | 2025 |
| 4OCEANS Property Limited | Reading | 2024 |
| 4ORDE Limited | Crawley | 2017 |
| 4OUR 4OUR Ltd | Hounslow | 2021 |
| 4OZ Limited | London | 2021 |
| 4P Property Ltd | Corby | 2018 |
| 4PEK Ltd | Buckhurst Hill | 2026 |
| 4PF Properties Limited | Birmingham | 2025 |
| 4PG Limited | South Croydon | 2020 |
| 4POINT5 Ltd | Folkestone | 2019 |
| 4PROPERTY Developers Limited | Barrow-In-Furness | 2023 |
| 4PV Limited | London | 2022 |
| 4QB Apartments Ltd | London | 2019 |
| 4R Estates Ltd | Hamilton | 2025 |
| 4R Property Management Ltd | West Norwood | 2025 |
| 4R Services Ltd | London | 2025 |