| Cotswold Chase Management Company (Gloucester) Limited | Cheltenham | 2014 |
| Cotswold Close (Newport) Company Limited | Newport | 2018 |
| Cotswold Close Residents Management Company Limited | Alton | 2016 |
| Cotswold Court (Management) Company Limited | Newport | 1972 |
| Cotswold Court Beeston Ltd | Kingston Upon Thames | 2013 |
| Cotswold Gate (Chipping Norton) Management Company Limited | Salisbury | 2016 |
| Cotswold Gate (Moreton) Management Company Limited | Henley-In-Arden | 2015 |
| Cotswold Group Newport Ltd | Newport | 2017 |
| Cotswold Grove Management Company Limited | Coalville | 2020 |
| Cotswold Heights Management Company Limited | Cheltenham | 2005 |
| Cotswold House Management Guildford Ltd | Woking | 2025 |
| Cotswold House Services Limited | Swindon | 2021 |
| Cotswold Lodge Management Limited | Richmond Upon Thames | 2013 |
| Cotswold Mill Cirencester Limited | Cheltenham | 1998 |
| Cotswold Road Management Company Limited | Bristol | 2013 |
| Cotswold RTM Company Limited | Colchester | 2012 |
| Cotswold Stone Floor Cleaners Ltd | Stroud | 2013 |
| Cotswold Vale (Long Marston) Management Company Limited | New Milton | 2018 |
| Cotswold View (Dursley) Management Limited | Milton Keynes | 2001 |
| Cotswold View Management Company Limited | Sedgeberrow | 2018 |
| Cotswold Views (Management) Company Limited | London | 1991 |
| Cotswolds Edge Management Company Limited | Wellesbourne | 2024 |
| Cottage Avenue Residents Company Limited | Bromley | 1969 |
| Cottage Close Maintenance Company Limited | Birmingham | 1967 |
| Cottage Corner Limited | London | 1988 |
| Cottage Energy Limited | Durham | 2014 |
| Cottage Farm (Easingwold) Management Company Ltd | York | 2026 |
| Cottage Farm (Oadby) Residents Management Company Limited | Hemel Hempstead | 2019 |
| Cottage Farm (Stretton on Fosse) Management Company Limited | Moreton In Marsh | 1998 |
| Cottage Farm Management Company Limited | Sevenoaks | 2022 |
| Cottage Fields Management Company Limited | Chester | 2015 |
| Cottage Garden Mews Limited | Westcliff-On-Sea | 2016 |
| Cottage Gardens (Muxton) Limited | Muxton | 2016 |
| Cottage Gate (Management Company) Limited | Croydon | 2008 |
| Cottage Green (Cottingham) Residents Management Company Limited | Hull | 2002 |
| Cottage Green (Silverend) Resident Management Company Limited | Witham | 1996 |
| Cottage Grove Management Company Limited | Portsmouth | 1978 |
| Cottage Lane Management Company Ltd | Gayton | 2025 |
| Cottage Mews Management Company Limited | Newport | 1992 |
| Cottage on the Cliff Management Limited(The) | East Cowes | 1986 |
| Cottage Place (Management Company) Limited | Taunton | 2009 |
| Cottage Property Group Ltd | London | 2026 |
| Cottageside Apartments Management Company Limited | Bradford | 2004 |
| Cottam Court Management Company Limited | Preston | 1979 |
| Cottam Gardens Resident Management Company Limited | Tarporley | 2022 |
| Cottam Management Company Limited | Lytham St Annes | 2000 |
| Cottams (Management) Company Limited | Preston | 1985 |
| Cottars Chase NI Management Co Ltd | Belfast | 2023 |
| Cottees Management Limited | Ringwood | 2020 |
| Cottenham (Rampton Road) Management Company Limited | Swadlincote | 2022 |
| Cottenham Grove Management Company Limited | Hemel Hempstead | 2021 |
| Cottenham Park Maintenance Company Limited | London | 1967 |
| Cotters Management Company Limited | Welwyn Garden City | 2015 |
| Cotterstock Meadows (Oundle) Managing Company Limited | New Milton | 2022 |
| Cottesbrook Heights Freehold Limited | London | 2024 |
| Cottesford Pavilions Estate Residents' Association Limited | Milton Keynes | 1982 |
| Cottesmore Court Management Company Limited | London | 1978 |
| Cottesmore Gardens Management Company Limited | Colchester | 2001 |
| Cottesmore RTM Limited | Leighton Buzzard | 2012 |
| Cottier Grange Estate Management Company Limited | Hoddesdon | 2018 |
| Cottingham (King Street) Holdings Limited | East Yorkshire | 1975 |
| Cottingham Court Management Company Limited | Barton-Upon-Humber | 2011 |
| Cottingham Grange (Verwood) Management Company Limited | Verwood | 2000 |
| Cottington 50 (UK) Limited | Wembley | 2003 |
| Cottington Court Freehold Limited | Sidmouth | 1976 |
| Cottingwood Residential Management Company Limited | Bardon Hill | 2026 |
| Cotton and Townend Ltd | Bath | 2009 |
| Cotton Gardens (Rawtenstall) Management Company Limited | Waterfoot | 2023 |
| Cotton Hall Management Company Limited | Ballyclare | 2019 |
| Cotton House Estates Ltd | Farnham | 2024 |
| Cotton Lane RTM Company Ltd | Bromley | 2022 |
| Cotton Management (Ancoats) Limited | Manchester | 2012 |
| Cotton Mews (Hackney) Residents Management Company Ltd | London | 2019 |
| Cotton Mill (Burnley) Management Company Limited | Leeds | 2004 |
| Cotton Mill Management Limited | Manchester | 1998 |
| Cotton Mount Management Company Limited | Ballyclare | 2017 |
| Cotton Park Gardens (Romford) Management Company Limited | Harlow | 2004 |
| Cotton Place Management Company Limited | Hertford | 2007 |
| Cotton Spring View Limited | St. Albans | 2016 |
| Cotton Square Management Company Limited | Hoddesdon | 2017 |
| Cotton Woods (Preston) Residents Management Company Limited | Tarporley | 2021 |
| Cotton Yard Management Company Limited | Chesterfield | 2019 |
| Cotton's Gardens Residents Limited | London | 2009 |
| Cottonfields Management Limited | Stockport | 2009 |
| Cottonfields, Gibfield Management Company Limited | New Milton | 2016 |
| Cottonham RTM Company Limited | Edgware | 2013 |
| Cottons Landing Management Limited | West Malling | 1989 |
| Cottons Lane Management Limited | Gloucestershire | 1991 |
| Cottonwood Close Purbrook Management Company Limited | Waterlooville | 2013 |
| Cottrell Property Management Ltd | St. Albans | 2026 |
| Coturnix Management Limited | Wantage | 2020 |
| Cotwall Place (Valley Road) Management Company Limited | Dudley | 2003 |
| Coubus Management Limited | Bideford | 2014 |
| Couching House Property Management Company Ltd | Watlington | 2018 |
| Coudray Fields Management Company Limited | Camberley | 2020 |
| Cough Drop Properties Ltd | Ingatestone | 2024 |
| Couleira Homes Ltd | Peterborough | 2024 |
| Couling Close Residents Management Company Limited | Kidlington | 2016 |
| Coulsdon Lane Management Company Ltd | Coulsdon | 2009 |
| Coulsdon Woods Management Limited | Whyteleafe | 1966 |