| 4C - Westin Properties Limited | London | 2023 |
| 4C Assets Limited | Ipswich | 2026 |
| 4C Investments Ltd | Sutton Coldfield | 2015 |
| 4C Lettings Ltd | Glasgow | 2016 |
| 4C Properties Limited | Ilford | 2018 |
| 4C Property Management Limited | Droitwich | 2021 |
| 4C Research Solutions Limited | Banbury | 2015 |
| 4C UK Investments Limited | London | 2015 |
| 4CARTERS Ltd | Lancing | 2020 |
| 4CL Properties Ltd | St. Albans | 2025 |
| 4COLES Property Ltd | Nottingham | 2021 |
| 4CORNER Holdings Ltd | Glasgow | 2025 |
| 4CORPORATES Limited | Basingstoke | 2012 |
| 4CW Properties Ltd | London | 2019 |
| 4D (North East) Ltd | Newcastle Upon Tyne | 2023 |
| 4D Blues Ltd | London | 2022 |
| 4D Building Limited | London | 2007 |
| 4D Capital Bidco (11) Limited | Wetherby | 2025 |
| 4D Capital Propco (444) Limited | Bacup | 2025 |
| 4D Darlington Limited | Darlington | 2015 |
| 4D Dwellings Ltd | York | 2020 |
| 4D Energy Real Estate Limited | Uxbridge | 2026 |
| 4D Estate Holdings Ltd | Coventry | 2025 |
| 4D Homes (Witney) Ltd | Witney | 2020 |
| 4D Homes London Limited | Harrow | 2024 |
| 4D Housing Ltd | Wakefield | 2019 |
| 4D Properties & Maintenance Ltd | Tiverton | 2025 |
| 4D Properties Holdings Limited | Sheffield | 2001 |
| 4D Property Company Limited | Cardiff | 2015 |
| 4D Property Development Ltd. | Falkirk | 2013 |
| 4D Property Management Ltd | Stockport | 2018 |
| 4D Real Estate Limited | Biggleswade | 2017 |
| 4D Residential Solutions Ltd | Slough | 2016 |
| 4D Topco Ltd | London | 2022 |
| 4D UK Properties Ltd | Birmingham | 2021 |
| 4D V Limited | London | 2019 |
| 4DAB Ltd | London | 2023 |
| 4DALL Limited | London | 2025 |
| 4DASH Ltd | Swindon | 2021 |
| 4DB Group Ltd | Cheadle | 2025 |
| 4DBALANCE Investments Ltd | Harrow | 2022 |
| 4DDWELLINGSDELUXE Limited | York | 2021 |
| 4DEE Properties Ltd | Larkhall | 2025 |
| 4DGOT Ltd | Ryde | 2026 |
| 4DL Limited | Dundee | 2023 |
| 4DMAX Holdings Limited | Crewe | 2024 |
| 4DP Ltd | Darlington | 2021 |
| 4DS Haven Ltd | Swanscombe | 2022 |
| 4DS Investments Ltd | Milton Keynes | 2018 |
| 4DS Properties Ltd | Cheam | 2019 |
| 4DS Property Investment Ltd | Canterbury | 2025 |
| 4DSPHERE Ltd | Newcastle Upon Tyne | 2024 |
| 4E Cloud Properties Limited | Skelmersdale | 2025 |
| 4E Global Investment Ltd | London | 2025 |
| 4E Properties Limited | Warrington | 2020 |
| 4E Property Management Lettings & Building Ltd | Mansfield | 2025 |
| 4EASYMOVE Limited | Manchester | 2017 |
| 4ES and Rest Limited | Great Missenden | 2012 |
| 4EVER Green Properties Ltd | London | 2020 |
| 4EVER Home Rentals Limited | Newmarket | 2018 |
| 4EVER Property Ltd | London | 2020 |
| 4EVERUS Property Ltd | St. Helens | 2025 |
| 4EXPORTING Ltd | Gateshead | 2025 |
| 4EY Holdings Ltd | Huddersfield | 2023 |
| 4F Properties Ltd | London | 2022 |
| 4F Real Estate Ltd | Manchester | 2025 |
| 4FHT Limited | Leeds | 2019 |
| 4FLYNNS Limited | Doncaster | 2017 |
| 4FOURTEEN Ventures Ltd | Birmingham | 2020 |
| 4FRONT Property Services Ltd | Bexleyheath | 2025 |
| 4FUTURE Development Ltd | London | 2024 |
| 4FUTURE Homes Ltd | Gateshead | 2024 |
| 4G Estates Ltd | Loughborough | 2025 |
| 4G Holdings Limited | Leicestershire | 1980 |
| 4G Properties Limited | Halesowen | 2013 |
| 4G Property Ltd | Preston | 2021 |
| 4G Ventures Limited | Birmingham | 2021 |
| 4GALLONVENTURES Limited | Corby | 2015 |
| 4GBR Ltd | Manchester | 2021 |
| 4GH Management Company Limited | Hayling Island | 2017 |
| 4GI International (UK) Limited | Wirral | 2002 |
| 4H Properties Limited | Congleton | 2017 |
| 4H Property Investment Limited | London | 2024 |
| 4H Property Ltd | Halesowen | 2025 |
| 4H1 Ltd. | Edinburgh | 2013 |
| 4HABITATS Ltd | Manchester | 2025 |
| 4HB Services Limited | Wimborne | 2026 |
| 4HEALTH Limited | London | 2014 |
| 4HEARTS Limited | Watford | 2019 |
| 4HEATHFIELD Limited | London | 2020 |
| 4HEYS Ltd | Stalybridge | 2026 |
| 4HILLS Properties Ltd | Leeds | 2024 |
| 4HOMES Property Ltd | Shrewsbury | 2025 |
| 4HQ Investments Ltd | Basingstoke | 2020 |
| 4HV Properties Limited | Bristol | 2010 |
| 4I Investments Ltd | Rotherham | 2021 |
| 4IIR Limited | Borehamwood | 2005 |
| 4INABED Ltd | Stockport | 2025 |
| 4INCE Road Limited | London | 2021 |
| 4ISLANDS Property Group Ltd | Newport | 2026 |