| Cove Springs Management Company Limited | Colchester | 2019 |
| Cove View (Cornwall) Management Company Limited | Helston | 2019 |
| Cove View Management Company 2 Limited | Barnstaple | 2011 |
| Cove View Management Company Limited | Ilfracombe | 2010 |
| Covedene Limited | Plymouth | 1988 |
| Coveena Properties Limited | Leeds | 2023 |
| Covefine Property Management Limited | London | 1984 |
| Covegrange Limited | Tavistock | 1990 |
| Covehill Development Management Limited | Coleraine | 2000 |
| Covenant Property Services Limited | London | 2018 |
| Coveney Property Limited | Grays | 2021 |
| Covent Gardens (Colwall) Management Company Limited | Croydon | 2011 |
| Coventry Close Management Limited | Evesham | 2003 |
| Coventry Gardens Residents Management Company Limited | Swadlincote | 2013 |
| Coventry Warwick Court Management Ltd | Coventry | 2010 |
| Coventryutil Limited | Leeds | 2025 |
| Coverack Headland Limited | Plymouth | 1992 |
| Coverdale Court (Yeovil) Management Company Limited | Taunton | 2022 |
| Coverdale Lodge Limited | Teddington | 1982 |
| Coverdale Paignton Management Company Limited | New Milton | 2017 |
| Coverdale Place Management Company Limited | Beaumont | 1996 |
| Covert Close Limited | Oxford | 2021 |
| Coveway Heights Limited | Farnham | 2010 |
| Covey Road Freehold Limited | Worcester Park | 2019 |
| Covey Road Management Limited | Worcester Park | 2018 |
| Covindale House Management Company Limited | Southsea | 1991 |
| Cowan Brae Flats Management Company Limited | Blackburn | 1987 |
| Cowan Head Estate Company Limited | Blackpool | 1991 |
| Coward Investment Limited | London | 2024 |
| Cowboys Limited | London | 1998 |
| Cowbridge Freehold Limited | Harrow | 2020 |
| Cowbridge Mill Management Company Limited | Bristol | 2008 |
| Cowbridge Mill Sluice Gates Limited | Malmesbury | 2016 |
| Cowdells Close Ltd | Beds | 2018 |
| Cowden Mews Management Company Limited | Edenbridge | 1987 |
| Cowdray Close Leamington Limited | Leamington Spa | 2007 |
| Cowdray Court Management Limited | Worthing | 1995 |
| Cowdrey's Residents Association Limited | Tunbridge Wells | 2003 |
| Cowleaze Management Company Limited | London | 2017 |
| Cowleaze Path Apartments Limited | Bristol | 2025 |
| Cowleigh Court (Malvern) Limited | Malvern | 1981 |
| Cowleigh Flats Limited | Worcestershire | 1987 |
| Cowleigh Road Management Company Limited | Malvern | 1995 |
| Cowley Court (Chapeltown) Management Limited | Sheffield | 2000 |
| Cowley Court Freehold Limited | Loughton | 2010 |
| Cowley Court Management Company Limited | Loughton | 1997 |
| Cowley Hill Stables Limited | Borehamwood | 2022 |
| Cowley Park (Donington) Management Company Limited | Cambridge | 2018 |
| Cowley Park (Town DAM Lane P2) Management Company Limited | Cambridge | 2021 |
| Cowley Place Management Limited | Exeter | 1996 |
| Cowling Court Management Limited | Leeds | 2005 |
| Cowlyd Property Management (Prestatyn) Limited | Hemel Hempstead | 2004 |
| Cowmouth Farm Estate Management Company Limited | Sheffield | 2017 |
| Cownwy Court Residents Association Limited(The) | Southwick | 1958 |
| Cowper Court Management Limited | Cardiff | 1988 |
| Cowper House (Bedford) Residents Management Company Limited | Kempston | 1995 |
| Cowper Place Residents Management Company Limited | Birmingham | 2019 |
| Cowper Street Management Ltd | Hove | 2022 |
| Cowpole Management Limited | London | 2018 |
| Cowslip Meadow Management Company Limited | Hemel Hempstead | 2011 |
| Cowthorpe Residential Management Company Limited | Wetherby | 2022 |
| Cowthorpe Road 1-1A Freehold Limited | London | 2012 |
| Cowy Prime Property Management Ltd | Cardiff | 2026 |
| COX Close Management Company Limited | Leicester | 2018 |
| COX Property Developments Ltd | Great Yarmouth | 2019 |
| Cox's Court Management Company Limited | Harwich | 2010 |
| Cox's Green Management Company Limited | Salisbury | 2020 |
| Cox's Properties 43-45 Ltd | Broadstairs | 2024 |
| Coxes Lock Freehold Limited | London | 2013 |
| Coxford RTM Company Limited | Southampton | 2026 |
| Coxon's Place Management Company Limited | Wigan | 2006 |
| Coxs Yard Management Company Limited | Braintree | 2025 |
| Coxwell Gate Management Company (Faringdon) Limited | Witney | 2002 |
| COY Garden Court Management Company Limited | Bournemouth | 2006 |
| Coyle Court Management (NI) Ltd | Coleraine | 2013 |
| Coyte's Paddock Management Limited | Camberley | 2021 |
| Coytes Gardens Management Co. Limited | Suffolk | 2004 |
| Cozan Limited | Wolverhampton | 2025 |
| Cozavi Limited | London | 2026 |
| Cozens Farm Management Co Limited | Hertford | 2024 |
| Cozens Road Management Limited | Hertford | 1970 |
| Cozworth Real Estate Ltd | Newcastle | 2021 |
| Cozy BNB Ltd | Manchester | 2026 |
| Cozy Quarters Property Management Ltd | Stockton-On-Tees | 2025 |
| CP Property Group Limited | Wallingford | 2024 |
| CP Property Let’S Ltd | London | 2025 |
| CP Residential Management Company Limited | Birmingham | 2023 |
| CP168 RTM Company Limited | Marlborough | 2019 |
| CP47 Ltd. | London | 2016 |
| Cpall Limited | Hove | 1993 |
| CPC (Peterborough) Management Company Limited | Peterborough | 2021 |
| CPC Building Service Limited | Westcliff-On-Sea | 2023 |
| CPC Properties Management Limited | London | 2006 |
| CPE Management Limited | London | 2015 |
| Cpea Property Mgmt Ltd | Fareham | 2019 |
| CPF Barns Management Limited | Dorchester | 2013 |
| CPJ Housing Limited | Stockton-On-Tees | 2025 |
| CPL Plumbing Ltd | Belfast | 2026 |
| CPM (Newcastle) Ltd | Newcastle Upon Tyne | 2018 |
| CPM Cranbourne Manor Limited | London | 2000 |