| Coach House Mews Right to Manage Company Limited | Ringwood | 2007 |
| Coach House Mews SE23 Ltd | London | 2022 |
| Coach House Mews Services Ltd | Liverpool | 2023 |
| Coach House Tenby (Management) Ltd | Tenby | 2024 |
| Coach Houses (Blackpool) Limited | Lytham St. Annes | 2001 |
| Coach Mews Management Limited | Fordham | 2001 |
| Coach Well Gardens Management Company Limited | Barton-Upon-Humber | 2021 |
| Coach Yard (Balmoral Road) Management Company Limited | London | 2024 |
| Coachhouse Management Company Limited(The) | Newport | 1986 |
| Coachhouse Property Lets Ltd | Glasgow | 2019 |
| Coachmaker Mews Limited | Royston | 2001 |
| Coachman's Mews Management Company Limited | Wickford | 2015 |
| Coachmans' Terrace RTE Company Limited | Brighton | 2005 |
| Coachouse Mews Management Company Limited | New Milton | 2005 |
| Coachworks Lodge Management Company Limited | Edgware | 2010 |
| Coart Living Ltd | Nottingham | 2025 |
| Coast & Key Property Ltd | Folkestone | 2025 |
| Coast (Harsfold Road) Management Limited | Littlehampton | 2001 |
| Coast (Ilfracombe) Management Limited | Ilfracombe | 2006 |
| Coast Cleaning Pembrokeshire Ltd | Milford Haven | 2025 |
| Coast Dorset Management Company Limited | Sudbury | 2020 |
| Coast House Residents Limited | Canterbury | 2024 |
| Coast Management Company (Hythe) Limited | Folkestone | 2013 |
| Coast Road (Berrow) Management Company Limited | Burnham-On-Sea | 1989 |
| Coast Road Residents Limited | Pevensey Bay | 2013 |
| COAST2COAST Property Services Limited | Fareham | 2023 |
| Coastal Court (Southport) Company Limited | Merseyside | 1996 |
| Coastal Dunes (Lytham ST Annes) Management Company Limited | York | 2015 |
| Coastal Holdings (South West) Ltd | Bideford | 2018 |
| Coastal Links Management Company Ltd | Limavady | 2018 |
| Coastal Place Limited | London | 2014 |
| Coastal Reach Management Company Limited | Bournemouth | 2012 |
| Coastal Road Property Co Limited | Glasgow | 2017 |
| Coastal View Management Company Limited | Newquay | 2019 |
| Coastcharm Residents Association Limited | Weston-Super-Mare | 1984 |
| Coastguard Cottages Management Company Limited | Sandown | 1988 |
| Coastguard Court Management Limited | Colchester | 1994 |
| Coastguards Management Ltd | Ramsgate | 2026 |
| Coastlands Management Company Ltd | Dartford | 2023 |
| Coastline Court Management Company Limited | Truro | 1992 |
| Coastline Management Limited | Westcliff-On-Sea | 1989 |
| Coastlord Property Management Limited | Clevedon | 1984 |
| Coastring Limited | Sussex | 1990 |
| Coastside Owners Limited | Bournemouth | 2018 |
| Coates Quay Residents Association Limited | Chelmsford Essex | 1996 |
| COB Thorn Flats 1 & 2 RTM Company Limited | Surbiton | 2020 |
| COB Thorn Flats 3 & 4 RTM Company Limited | Surbiton | 2020 |
| Cobalt Management Limited | Croydon | 1995 |
| Cobalt Place Residents Management Company Limited | London | 2013 |
| Cobb Close Management Limited | Bury St. Edmunds | 2005 |
| Cobb Court Freehold Ltd | London | 2018 |
| Cobb House Management Company Limited | Bury St. Edmunds | 2020 |
| Cobb Lodge Limited | Axminster | 2020 |
| Cobb Road Management Company Limited | Bristol | 2026 |
| Cobbett Court (Freehold) Limited | Upham | 2015 |
| Cobbett Court Residents Association (NO 2) Limited | Southampton | 2000 |
| Cobbett Court Residents Association Limited | Upham | 1996 |
| Cobbett Hall Management Company Limited | Elland | 2016 |
| Cobbett Place Management Company Limited | Upham | 2010 |
| Cobbetts Close (Eynsham) Management Company Limited | Kidlington | 2017 |
| Cobbetts Management Company Ltd | Alton | 2021 |
| Cobbetts Mews Management Limited | Worthing | 2002 |
| Cobbetts Mews Residents Association Limited | Alfold | 2012 |
| Cobble and Key Ltd | Dundee | 2025 |
| Cobble Field Limited | Manchester | 2019 |
| Cobble Mews (Highgate) Management Limited | Waltham Cross | 2007 |
| Cobble Mews Management Company Limited | London | 1997 |
| Cobblers ROW Management Company Limited | Belfast | 2008 |
| Cobblers' & Co. Limited | Northampton | 2023 |
| Cobblestones 40/49 Management Limited | Chippenham | 1992 |
| Cobblestones at Milton Management Company Limited | New Milton | 2015 |
| Cobblestones Court Limited | New Milton | 1997 |
| Cobblestones Management Company Limited | Leatherhead | 2003 |
| Cobbold Management Services Limited | Ipswich | 2004 |
| Cobbs Place (Great Yarmouth) Limited | Norwich | 1989 |
| Cobbs Well House Management Company Limited | Truro | 2018 |
| Cobbydale Management (1996) Limited | Keighley | 1996 |
| Cobbydale Rise (Silsden) Residents Management Company Limited | Hoddesdon | 2026 |
| Cobbydale Way Management Company Limited | Keighley | 2022 |
| Cobden Court Limited | Wellingborough | 1989 |
| Cobden Estates Limited | Oldham | 2023 |
| Cobden House Management Company Limited | Havant | 2016 |
| Cobden Mill (Wrexham) Management Company Limited | Manchester | 2015 |
| Cobden Place (Hailsham) Management Company Limited | Hastings | 2023 |
| Cobden Street Management Company Limited | Harrogate | 1990 |
| Cobden Terrace Management Company Limited | Rochester | 2021 |
| Cobdens Co-Ownership Housing Association Limited | | 2000 |
| Cobdens Management Limited | Stockport | 2022 |
| Cobgate (Whaplode) Management Company Limited | Cambridge | 2023 |
| Cobham Close (Cippenham) Management Company Limited | Croydon | 1998 |
| Cobham Close Management Company Limited | Sidcup | 1991 |
| Cobham Close Residents Association Limited | Lingfield | 2003 |
| Cobham Green Management Company Limited | Warwickshire | 2004 |
| Cobham Parade Block Number One Residents Management Company Limited | Wakefield | 1994 |
| Cobham Parade Block Number One Residents Property Management Company Limited | Wakefield | 2026 |
| Cobham Towers (Bexhill) Residents Company Limited | Sussex | 1974 |
| Cobin Property Management Limited | Hatfield | 2004 |
| Coble Quay Block 4 Limited | Morpeth | 2017 |
| Cobnar Management Limited | Sheffield | 1983 |
| Cobnut (Hatfield) Management Limited | Cambridge | 2023 |