| Cyprus Road (Block H) Management Company Limited | New Barnet | 1993 |
| Cyprus Road Freeholders Limited | Nottingham | 1975 |
| Cyprus Road Management Company (Exmouth) Limited | Devon | 1984 |
| Cyril Leonard Ltd | London | 2015 |
| Cyril Mansions Limited | London | 1984 |
| Cyropa Limited | Bolton | 2021 |
| Cyrus House Limited | Sidcup | 2021 |
| Cyrus Management Limited | Oxford | 2007 |
| Cyrus Property Limited | London | 2020 |
| Cysgod Y Capel Management Company Limited | Llandudno | 2015 |
| Cysgod Y Curyll Management Company Limited | Carmarthen | 2011 |
| Cysgod Y Graig (Dyserth) Management Company Limited | Tarporley | 2019 |
| Cysgod Y Gyrn Management Company Limited | Oswestry | 2022 |
| Cysgod Y Llan Management Company Limited | Llanelli | 2004 |
| D & a Property Holdings Ltd | Caldicot | 2021 |
| D & D Property Service Ltd | London | 2025 |
| D & E Longfellow Prop ACC Limited | Leeds | 2024 |
| D & F (Managements) Limited | Chessington | 1964 |
| D & F Block Management Limited | London | 2022 |
| D & F Holdings Limited | Chessington | 2002 |
| D & H J Property Limited | Newport | 2017 |
| D & J Building Solutions Ltd | Brentwood | 2019 |
| D & J Estate Limited | Wetherby | 1998 |
| D & J Marshall Property Ltd | Shrewsbury | 2022 |
| D & K Oral Care Ltd | Windsor | 2018 |
| D & KH Properties Limited | Scunthorpe | 2022 |
| D & M Draycott Ltd | Liverpool | 2026 |
| D & R Management Services (UK) Limited | Ruislip Manor | 2014 |
| D & S Chambers Property Ltd | Pevensey Bay | 2021 |
| D a Bespoke Fitted Furniture Limited | Birmingham | 2012 |
| D and a Luxury Stays Ltd | Bridgnorth | 2026 |
| D and D Properties (Glos) Ltd | Tewkesbury | 2026 |
| D and E Properties and Investments Limited | Minehead | 2024 |
| D Burrell Enterprises Limited | Boston | 2012 |
| D Davies Property Ltd | Sutton Coldfield | 2024 |
| D Dickinson Property Ltd | Gloucester | 2024 |
| D F Stone Limited | London | 2020 |
| D H F Limited | Kingsbridge | 2014 |
| D H R Rental Ltd | Carmarthen | 2025 |
| D Healthy Lifestyle Limited | Derby | 2019 |
| D Hicks Properties Ltd | Stamford | 2025 |
| D Homescape Property Limited | Isle Of Benbecula | 2024 |
| D J R Property Management Ltd | Barnsley | 2005 |
| D J Simpson Properties Limited | Newtownabbey | 2023 |
| D K Bradford Management Co Ltd | Westcliff-On-Sea | 2022 |
| D P (North East) Developments Limited | Darlington | 2009 |
| D Peters Ltd | Liverpool | 2022 |
| D Potts Properties Ltd | Sunderland | 2016 |
| D S Works Ltd | Strathcarron | 2024 |
| D Sira & Sons Ltd | Coventry | 2013 |
| D T Luxe Ltd | London | 2024 |
| D&A Energy Services Ltd | Dundee | 2021 |
| D&A Peart Property’S Ltd | Sunderland | 2025 |
| D&A Properties & Investments Ltd | Staines-Upon-Thames | 2019 |
| D&D Rentals Ltd | Doncaster | 2017 |
| D&E Management Ltd | London | 2025 |
| D&G Property Consultancy Ltd | Manchester | 2026 |
| D&G Property One Ltd | Exeter | 2024 |
| D&G Stays Ltd | Mirfield | 2025 |
| D&H Ventures Ltd | Bristol | 2026 |
| D&J Property Neast Limited | Wallsend | 2021 |
| D&K Properties Ltd | Doncaster | 2026 |
| D&K Property Group Limited | Derby | 2025 |
| D&M Real Estate Partners Ltd | Folkestone | 2025 |
| D&Mc Properties Ltd | London | 2025 |
| D&O Property Management Limited | Lichfield | 2025 |
| D&O Property Management Services Ltd | Derby | 2025 |
| D&P Lettings Ltd | Glasgow | 2025 |
| D&R Love Property Management Ltd | Selby | 2025 |
| D&R Property Solutions Ltd | Stanley | 2020 |
| D&S Services & Solutions Ltd | Blaengwynfi | 2024 |
| D&Sj Property Ltd | Exeter | 2025 |
| D&W Sunni Limited | Walton-On-Thames | 2018 |
| D'Abernon Wood Estate Management Company Limited | Cobham | 2020 |
| D'Arcy Court (Billericay) Management Company Limited | London | 2013 |
| D'Arcy Court (Maldon) Management Company Limited | Maldon | 2006 |
| D'Arcy Court Management Company Limited | Blandford Forum | 2004 |
| D'Polaris Serene Private Ltd | Wakefield | 2024 |
| D'Urton Grange (Preston) Management Co Limited | Manchester | 2022 |
| D'Urton Heights (Preston) Management Company Limited | York | 2016 |
| D'Urton Lane Management Company Limited | Lytham St Annes | 2002 |
| D. Bedford Properties Ltd | Polegate | 1996 |
| D. H. T. Property Management Ltd. | Preston | 2005 |
| D. York Freehold Limited | Wadhurst | 2018 |
| D.& D.Developments(Liverpool)Limited | | 1971 |
| D.A.K.K. Property Limited | Hove | 2021 |
| D.J.D. Management Limited | Gravesend | 1984 |
| D.P.O Properties Ltd | Skelton | 2023 |
| D.P.R.A. Limited | Crawley | 1990 |
| D.S.I. Kitchens & Bathrooms Limited | Saffron Walden | 2003 |
| D.S.R. Estates Limited | Norwich | 2013 |
| D.T. Lisa Court Limited | Basingstoke | 1975 |
| D.W.B. Property Services Ltd | Thatcham | 2019 |
| D17-LUXURY Apartments Ltd | London | 2020 |
| D2 (Swindon) Management Company Limited | Clevedon | 2011 |
| D4J Properties Ltd | Manchester | 2023 |
| DA Green Ltd | West Drayton | 2024 |
| DA Homes Ltd | Knutsford | 2025 |
| DA Property and Holdings Ltd | Wigan | 2026 |
| DA Vinci House Freehold Limited | Stockton-On-Tees | 2008 |