| C & B Freehold Limited | Redditch | 2005 |
| C & C (SY) Properties Ltd | Swinton | 2023 |
| C & C Futures Limited | Rutland | 2020 |
| C & C Grand Homes Limited | Romford | 2020 |
| C & D Bright Light Properties Ltd | Salisbury | 2019 |
| C & DT Property Limited | Saltburn-By-The-Sea | 2018 |
| C & E Property Solutions Ltd | London | 2018 |
| C & L F Ltd | Morpeth | 2019 |
| C & L Property Holdings Ltd | Hook | 2025 |
| C & L Serviced Properties Limited | Hamilton | 2018 |
| C & L Williams Properties Ltd | Tarporley | 2023 |
| C & N Management Service Ltd | Stafford | 2022 |
| C & PP Projects Ltd | Christchurch | 2016 |
| C & R Meadows Limited | Gillingham | 2022 |
| C & V Management Company Limited | Barnet | 2021 |
| C & V Management Limited | Barnet | 1991 |
| C & W Properties Limited | Bedlington | 2024 |
| C &P Homes Limited | Llanybydder | 2025 |
| C and K Estates Management Ltd | Waltham Cross | 2025 |
| C B Land Management Limited | Beverley | 2006 |
| C B P (South West) Limited | Weston-Super-Mare | 1996 |
| C B Poynton Management Ltd | Poynton | 2020 |
| C Block Lakeside Apartments RTM Company Limited | Sevenoaks | 2025 |
| C C Consortium Investment Ltd | London | 2019 |
| C C Consortium Properties Limited | London | 2018 |
| C C Construction (London) Limited | Barking | 2015 |
| C C Westside Limited | London | 1996 |
| C Collier Maintenance Limited | Birmingham | 2024 |
| C Court Management Company Limited | Reading | 2014 |
| C E C Management Company Limited | Henley-On-Thames | 1998 |
| C Gilroy Ltd | London | 2019 |
| C H Investment Company Limited | Worthing | 1986 |
| C H Management (Cambridge) Limited | Cambridge | 2005 |
| C House RTM Company Limited | Liverpool | 2021 |
| C J Appleyard TST RE Miss I Brown Ltd | Guildford | 2023 |
| C J Mcallister Properties Ltd | St. Asaph | 2024 |
| C K Properties Management Company Limited | Merseyside | 2005 |
| C K Western Property's Ltd | Bridgend | 2023 |
| C M Beckenham Limited | Woking | 2003 |
| C M F Durley Limited | | 1989 |
| C Mcbride Property Management and Services Ltd | Plymouth | 2023 |
| C Morrison Limited | Airdrie | 2022 |
| C N Dawe Properties Ltd | Torpoint | 2025 |
| C P Property Projects Limited | Londonderry | 2023 |
| C Pearce Property Ltd | Plymouth | 2024 |
| C R Residents Limited | Bourne End | 2007 |
| C RD Management Limited | London | 1989 |
| C S RTM Company Limited | London | 2025 |
| C W Apartments Limited | Tunbridge Wells | 2021 |
| C&C Property Retreats Ltd | Hawick | 2025 |
| C&C Read Limited | Doncaster | 2023 |
| C&Cuk Limited | Birmingham | 2026 |
| C&H Estates Limited | London | 2023 |
| C&J Associates Limited | Coventry | 2023 |
| C&K Property Refurbs Ltd | Wirral | 2025 |
| C&P Management (Property) Ltd | Glasgow | 2018 |
| C&Vw Properties Ltd | Berrow | 2025 |
| C'Est LA VIE RTM Company Limited | Southend On Sea | 2020 |
| C. & J. Geeve Limited | Weston-Super-Mare | 1943 |
| C. H. Flats NO. 2 (Wootton Bassett) Limited | Swindon | 1977 |
| C. H. Flats NO. 3 (Wootton Bassett) Limited | Minety | 1977 |
| C. K. Management Group Ltd | Hull | 2026 |
| C. T. Freehold Limited | London | 2016 |
| C. the C. Limited | Bristol | 2004 |
| C.A.B Property Management Limited | Edinburgh | 2017 |
| C.A.E.C.M. Limited | Twickenham | 1985 |
| C.A.N Property Management Ltd | Merseyside, Liverpool | 2020 |
| C.B.C. Management Limited | Chichester | 1985 |
| C.D. & S. Residents Association Limited | Eastleigh | 1981 |
| C.D. Estates Management Limited | Reading | 1990 |
| C.D.S. Woodland Grove Management Company Limited | Harrogate | 1984 |
| C.F.E Properties Ltd | Hartford | 2024 |
| C.H.P. (Aranmor House Management) Limited | Kingston Upon Thames | 1966 |
| C.H.S. (Winterborne Whitechurch) Management Limited | Blandford Forum | 1989 |
| C.J's Domestic Cleaning Services Ltd | London | 2026 |
| C.J.C. Property Limited | Coventry | 2004 |
| C.J.P.M. Investments Limited | London | 2026 |
| C.L.C.M.C. Limited | Cheltenham | 1981 |
| C.L.Catterall Property Services Limited | Loughborough | 2012 |
| C.L.G. Bungalows Limited | Tonbridge | 1992 |
| C.M. (Wimbledon) Company Limited | Hoddesdon | 2000 |
| C.M. Knawood, Firsend & Co Limited | Winscombe | 2002 |
| C.N.P Properties (Wirral) Limited | Heswall | 2018 |
| C.O. Close Management Company Limited | Manningtree | 1992 |
| C.P.R. (Little Common) Limited | Bexhill-On-Sea | 1990 |
| C.P.U. Maintenance Limited | | 1997 |
| C.Pallister Estates Ltd | Corbridge | 2022 |
| C.R.H. (Balaia) Limited | Cardiff | 1989 |
| C.R.W. Residents' Association Limited | East Sussex | 1999 |
| C.S London Properties Limited | London | 2007 |
| C.Scott & Co Lettings Ltd | Fareham | 2024 |
| C.T. Property Solutions Ltd | Thatcham | 2025 |
| C.V.R.A. Limited | London | 1990 |
| C1 Plot Management Company Limited | London | 2021 |
| C1 Properties Ltd | Macduff | 2025 |
| C1-C8 Brunel Court Management Co. Limited | Gloucester | 2004 |
| C17 Property Managment Ltd | Peterborough | 2026 |
| C2 Homes Limited | Rotherham | 2018 |
| Caanjuwa Limited | | 2001 |
| Cabana Rest Limited | Tarporley | 1989 |