| CB3 Properties Ltd | Cambridge | 2025 |
| CB4 Management Company Limited | Cambridge | 2018 |
| CBA 31 RTM Company Limited | Bath | 2008 |
| CBA Freeholders Limited | Plymouth | 2023 |
| CBC Consultants Limited | | 1993 |
| CBC Estate Management Limited | Solihull | 2007 |
| Cbde Properties Ltd | London | 2020 |
| Cbdt Property Ltd | Kenfig Hill | 2024 |
| CBE (South West) Property Management Ltd | Plympton | 2016 |
| Cbfr Ltd | London | 2023 |
| CBK Investments Limited | Bristol | 2025 |
| CBM Property Management and Maintenance Limited | Burnham-On-Sea | 2017 |
| Cbora Freehold Limited | Baldock | 2003 |
| CBW Property Management Limited | Aberystwyth | 2019 |
| CC & PM Management Company Limited | Downham Market | 2009 |
| CC (Westcott) Management Company Limited | Dorking | 2023 |
| CC Arch Housing Limited | Saffron Walden | 2023 |
| CC Chesham Management Limited | Chesham | 2009 |
| CC Estate Management Limited | Carlisle | 2023 |
| CC Freehold Limited | Fareham | 2020 |
| CC Lettings Ltd | London | 2023 |
| CC North East Limited | Newcastle Upon Tyne | 2024 |
| CC Properties 76 Ltd | Stanford-Le-Hope | 2021 |
| CC Residents Limited | Dorking | 2008 |
| CC the Parade Freehold Limited | London | 2025 |
| CC Williams Management Company Limited | Manchester | 2020 |
| CC35 Management Company Ltd | Croydon | 2004 |
| CC4 Limited | Pontypool | 2024 |
| CC47 Management Company Ltd | Morden | 2006 |
| CC61 Management Company Ltd | London | 2007 |
| CCD Bradbury Investments Ltd | Wokingham | 2024 |
| CCD Development Ltd | London | 2023 |
| Cce.Consultants Ltd | London | 2025 |
| CCH (Worthing) RTM Company Limited | Worthing | 2025 |
| CCH London Limited | London | 2024 |
| Cchf Christchurch Road Property Management Ltd | London | 2019 |
| Ccino Estates Limited | Birmingham | 2025 |
| CCJ Investments Ltd | Coventry | 2024 |
| CCL Enterprises Ltd | Johnstone | 2026 |
| CCL2 Ltd | East Sussex | 2021 |
| CCM (Southampton) Limited | Southampton | 2008 |
| CCM Freehold Company Ltd | Leeds | 2025 |
| CCM Investments Limited | Eastbourne | 1995 |
| CCQ RTM Company Limited | London | 2025 |
| Ccra RTM Company Limited | London | 2024 |
| Ccrtm | Isleworth | 2011 |
| Ccsb Limited | | 1988 |
| Cctk Property Ltd | Bury | 2025 |
| CCW Management Limited | Kidderminster | 2009 |
| CD Cooke Property Limited | Plymouth | 2023 |
| CD Mill Properties Limited | Kilmarnock | 2025 |
| CD Properties NE Ltd | Gateshead | 2025 |
| CD3 Fundamentum Limited | Bristol | 2016 |
| CDB Property Management Ltd | Coulsdon | 2026 |
| CDC Cymru Properties Ltd | Carmarthen | 2023 |
| CDE Portishead Limited | Bristol | 2018 |
| CDE Property Limited | Bristol | 2026 |
| Cdev Properties Ltd | Biggar | 2022 |
| Cdhl Dalmeny Freehold Limited | London | 2017 |
| CDK Property Management Ltd | Newcastle Upon Tyne | 2026 |
| CDN Homes Ltd | Ammanford | 2025 |
| CDN Property Design & Interiors Ltd | Ashford | 2022 |
| CDO Services (North West) Limited | Liverpool | 2013 |
| CDP (Eden Business Park) Ltd | Elland | 2017 |
| CDP Property Maintenance Limited | Birmingham | 2021 |
| CDS (Kent) Limited | Whitstable | 2015 |
| CDS Estates Limited | Marlborough | 2017 |
| CDV Properties Limited | Colchester | 2018 |
| CE Anthony Nolan (Fairstead) Limited | London | 2007 |
| CE Blenheim Grange Watton Limited | London | 2007 |
| CE Churchill Gardens Cambourne Limited | London | 2007 |
| CE Cobbler's Mews Romany Road Limited | London | 2006 |
| CE Lock Mill Blackburn Limited | London | 2007 |
| CE Oakfield Gardens Hyde Limited | London | 2007 |
| CE Poppy Fields (Benwick) Limited | London | 2007 |
| CE Soir? Ltd | Ware | 2025 |
| CE the Hawthorns Blackley Limited | London | 2007 |
| CE Willow Grange ELY Limited | London | 2007 |
| Ceandess Property Ltd | Wolverhampton | 2018 |
| Ceara Court Management Company Limited | Belfast | 1989 |
| CEB Group Ltd | Orpington | 2021 |
| CEC Limited | Broadstairs | 1982 |
| Cecil Close Limited | London | 1995 |
| Cecil Court (Eastbourne) Limited | Eastbourne | 2023 |
| Cecil Court (Freehold) Limited | Kingswood | 1997 |
| Cecil Court (Southsea) Management Limited | Southsea | 1977 |
| Cecil Court (Stockport) Maintenance Company Limited | Stockport | 1978 |
| Cecil Court Management (Manchester) Limited | Manchester | 2003 |
| Cecil Court Management Company (Ashford) Limited | Gravesend | 1975 |
| Cecil Court Management Company (Harrogate) Limited | York | 2004 |
| Cecil Court Ponteland Management Limited | Newcastle Upon Tyne | 1991 |
| Cecil Heights Management (Bournemouth) Limited | Bournemouth | 1988 |
| Cecil House Management Limited | Poole | 1997 |
| Cecil House Properties Limited | Worthing | 2015 |
| Cecil House RTM Company Ltd | Weston-Super-Mare | 2018 |
| Cecil Lodge (Chessington) Limited | Chessington | 1999 |
| Cecil Lodge Owners Ltd | Llandrindod Wells | 2020 |
| Cecil Mansions (Management) Limited | New Malden | 1982 |
| Cecil Park (Eaton House) Management Limited | Pinner | 1984 |
| Cecil Road (Enfield) Management Company Limited | Waltham Cross | 2014 |