| Charterdays Ltd | Emsworth | 2019 |
| Chartered Accountants Support Limited | Belfast | 1989 |
| Chartered Accountants Worldwide Limited | London | 2015 |
| Chartered Accountants' Trustees Limited | London | 1957 |
| Chartered Management Institute Services Limited | London | 2001 |
| Charterfields (Huddersfield) Limited | Huddersfield | 2007 |
| Chartergrove Limited | Chichester | 2018 |
| Charterholme Property Management Limited | Bexhill-On-Sea | 1996 |
| Charterhouse Bexhill Freehold Assets Ltd | Hastings | 2023 |
| Charterhouse Enterprises Limited | Surrey | 1990 |
| Charterhouse Inventory Ltd. | Basingstoke | 2013 |
| Charterhouse Solutions Limited | London | 2024 |
| Charterhouse Solutions PVT Ltd | London | 2021 |
| Charterhouse Sterling Limited | London | 2022 |
| Charteris Saints Limited | Rugeley | 2016 |
| Charterred Holdings Limited | Liverpool, | 2020 |
| Chartham Financial Planning Limited | Caterham | 2016 |
| Chartom Aviation Services Limited | Exeter | 2022 |
| Chartop Ltd | Rugby | 2017 |
| Chartridge Park Limited | Chesham | 1980 |
| Chartway Building Supplies Limited | Kings Hill | 1999 |
| Chartway Group Properties Limited | Kings Hills | 2006 |
| Chartway Industrial Services Limited | Dudley | 1992 |
| Chartwell Building Works & Services Limited | London | 2025 |
| Chartwell Compliance and Regulatory Ltd | Barbican | 2023 |
| Chartwell Publishers Ltd | Southampton | 2015 |
| Chartwise Limited | Milton Keynes | 1984 |
| Chartz (Hair Fashions) Limited | Cheltenham | 1978 |
| Charusat Educational and Healthcare Trust | Harrow | 2019 |
| Charvis of Frinton Limited | Colchester | 2014 |
| Charwill Property Limited | London | 2011 |
| Charz Couture Ltd | Clacton-On-Sea | 2020 |
| Chas Consulting Limited | London | 2013 |
| Chas. a. Nethercott & SON Limited | Hertfordshire | 1944 |
| Chasdei Achim Ltd | Salford | 2023 |
| Chasdei Moishe Trust | London | 2019 |
| Chase Barbers Ltd | Oldham | 2024 |
| Chase Cuts Limited | Enfield | 2026 |
| Chase Does Events Ltd | Bury St. Edmunds | 2025 |
| Chase Expeditions Management Ltd | Alresford | 2014 |
| Chase Family Church | Enfield | 2012 |
| Chase Farm Barns Management Company Ltd | Milton Keynes | 2001 |
| Chase Fire Protection Limited | Derby | 1992 |
| Chase Garage Doors Limited | Staffordshire | 2003 |
| Chase Hammond Ltd | Greenhithe | 2012 |
| Chase Heritage CIC | Cannock | 2025 |
| Chase Madison Limited | Wigan | 2016 |
| Chase Packaging Limited | Enfield | 1985 |
| Chase Plumbing & Property Maintenance Ltd | Droitwich | 2016 |
| Chase Polythene Limited | Enfield | 1994 |
| Chase Quaestus Ltd | London | 2013 |
| Chase Services Group Ltd | Ilford | 2014 |
| Chase Stone Ltd | London | 2024 |
| Chase TAN Ltd | Cannock | 2023 |
| Chase Tech Limited | Rugeley | 2019 |
| Chase&Co Ltd | Romford | 2021 |
| Chaseoffer Ltd | London | 2023 |
| Chasetown Barbershop Ltd | Burntwood | 2026 |
| Chashma Sahib Charitable Trust | Southall | 2019 |
| Chasing Extraordinary Ltd | Nottingham | 2025 |
| Chasing Tails Ltd | Sandy | 2026 |
| Chasma Limited | Hereford | 2015 |
| Chassay Consultancy Ltd | Bromley | 2015 |
| Chatchaya Spa Limited | Penarth | 2024 |
| Chateau Capital Management Ltd | London | 2019 |
| Chatel Noire Ltd | Romford | 2020 |
| Chater House Tenants Association Limited | London | 2022 |
| Chatfield Furniture Conservation Limited | Brackley | 2007 |
| CHATGP2 Limited | Southall | 2026 |
| Chatha Hygiene Limited | Chatham | 2007 |
| Chatham and District Model Railway Club C.I.C. | Chatham | 2023 |
| Chatham House Enterprises Limited | | 1994 |
| Chatham Nails Limited | London | 2012 |
| Chatham Residents Company Limited | Peterborough | 2022 |
| Chatham Solutions Ltd | Whitehills Business Park | 2022 |
| Chatila Properties Limited | London | 2020 |
| Chatley Holdings Limited | Worcestershire | 2021 |
| Chatomatic AI Limited | Maidenhead | 2025 |
| Chatpata Junction Ltd | Hounslow | 2025 |
| Chats & Choices Limited | Coatbridge | 2020 |
| Chats Nails E5 Ltd | London | 2023 |
| Chatsworth Manor (Ruislip) Management Company Limited | Watford | 2005 |
| Chatsworth Road Holdings Limited | Worthing | 2015 |
| Chatsworth Wills and Estate Planning Limited | Newark | 2008 |
| Chatsworth Windows Limited | Hartlepool | 2024 |
| Chatta Rivers Limited | Reading | 2012 |
| Chattel SA Ltd | Folkestone | 2012 |
| Chatterbox Audio Ltd | Fleetwood | 2009 |
| Chatterbox Childcare Ltd. | Glasgow | 2006 |
| Chatteris Barber Ltd | Chatteris | 2022 |
| Chatteris Independent Funeral Services Ltd | Chatteris | 2013 |
| Chatterly Ltd | London | 2025 |
| Chatterton Barbers Ltd | Bromley | 2023 |
| Chatterton Groomers Ltd | London | 2020 |
| Chatterton Laundry Services Ltd | Bromley | 2020 |
| Chattis Hill Power Ltd | Andover | 2021 |
| Chatto & Linnit Limited | London | 1971 |
| Chattroh Funeral Committee Limited | Sale | 2024 |
| Chatty Flamingo Ltd | Amesbury | 2025 |
| Chatty Penguin Ltd | London | 2019 |