| Cavendish DRY Cleaners Ltd | London | 2017 |
| Cavendish Equipment Limited | Waltham Cross | 1967 |
| Cavendish Housing Limited | Hertfordshire | 2006 |
| Cavendish Introductions Ltd | London | 2024 |
| Cavendish Kane & Associates Limited | Leeds | 2014 |
| Cavendish Laboratories Limited | Chelmsford | 1995 |
| Cavendish Philatelic Auctions Limited | Derby | 2016 |
| Cavendish Place Residents Association Limited | Fleet | 1998 |
| Cavendish Secretarial Services Limited | Stockbridge | 1999 |
| Cavendish Sinels Limited | London | 2018 |
| Cavendish Sterling Limited | Ross-On-Wye | 2021 |
| Caverna Motors Ltd | London | 2023 |
| Caversham DRY Cleaning Ltd | Reading | 2022 |
| Caversham Health Club Limited | Hove | 2015 |
| Caversham Project Management Ltd | Reading | 2001 |
| Caversham Turkish Barber Limited | Reading | 2021 |
| Caves to Castles Limited | Crediton | 2002 |
| Cavico Aesthetics Ltd | Kington | 2026 |
| Cavius Ltd. | Edinburgh | 2020 |
| Cavres 21 Limited | Ascot | 2020 |
| Cavu Group Limited | Manchester | 2020 |
| Cavzone Ltd | Darwen | 2023 |
| CAW 45 Ltd | Motherwell | 2023 |
| CAW Wellbeing CIC | Southampton | 2024 |
| Caw/Nelson Drive Action Group | Londonderry | 2007 |
| Cawdor Corporation Limited | London | 1982 |
| Cawdrons Butchers Limited | Norwich | 2017 |
| Cawdrons Limited | Stevenage | 2021 |
| Cawood Leisure Limited | Stamford Bridge | 2013 |
| Cawston Energy Storage Limited | London | 2024 |
| Cawthorne Cat Hotel Limited | Barnsley | 2018 |
| Caxton and Lucke UK Ltd | London | 2014 |
| Caxton DM Limited | London | 2022 |
| Caxton House Ltd | Folkestone | 2012 |
| Caxtonbrook Ltd | London - | 2025 |
| Caxtons Commercial Limited | Gravesend | 1990 |
| Caxtons Property Consultants Limited | Gravesend | 2023 |
| Cay-Ray Wellness Ltd | Dartford | 2023 |
| Caya (Come AS YOU ARE) Ministry | London | 2022 |
| Cayenne Properties Ltd | Edinburgh | 2018 |
| Cayenne Topco Limited | Edinburgh | 2018 |
| Cayla Collective Ltd | High Wycombe | 2026 |
| Caylil Ltd | Leicester | 2019 |
| Caylo Limited | Hereford | 2014 |
| Cayman Hills Ltd | London | 2021 |
| Cayonu Ltd | London | 2015 |
| Cayres Cleaning Limited | Brentwood | 1993 |
| Caythorpeuk Ltd | Manchester | 2019 |
| Cayuga Developments Limited | Hove | 2017 |
| Cayuga Sport Ltd | London | 2025 |
| Cay’S Cars Ltd | Newport | 2017 |
| CAZ Adcock Limited | Bough Beech | 2016 |
| CAZ Trading Ltd | Derby | 2018 |
| Caz's Laundry Services Ltd | Bedlington | 2026 |
| Cazenove & Loyd Limited | London | 1992 |
| Cazimi Homes Limited | London | 2023 |
| Cazlab Limited | Bolton | 2025 |
| CB 46 Ltd | Poole | 2024 |
| CB Aesthetics Bearsted Ltd | Maidstone | 2021 |
| CB Aesthetics Limited | Andover | 2024 |
| CB Barbers Shop Ltd | Worksop | 2025 |
| CB Beauty Centre Ltd | Newcastle | 2024 |
| CB Beauty Ltd | Maidstone | 2023 |
| CB Beauty Services Ltd | London | 2026 |
| CB Campaigns Ltd | Newcastle Under Lyme | 2021 |
| CB Campers Ltd | Redditch | 2024 |
| CB Canine Care Ltd | Banstead | 2022 |
| CB Consultancy (NW) Limited | Warrington | 2016 |
| CB Custom Coatings Ltd | Cambridgeshire | 2013 |
| CB Deeping Ltd | Peterborough | 2025 |
| CB Europe Limited | Kingswinford | 2010 |
| CB Freehold Services Limited | Bishop'S Stortford | 2008 |
| CB Global Consulting Ltd | London | 2015 |
| CB Hair (Edin) Ltd | Edinburgh | 2019 |
| CB Hairdressing Limited | Altrincham | 2010 |
| CB Installs (TS) Limited | St Asaph | 2024 |
| CB Investment Properties Limited | Harrow, Middlesex | 2019 |
| CB Lewisham Limited | London | 2025 |
| CB Machinery Services Ltd | Preston | 2024 |
| CB Media Studios Limited | Kington | 2026 |
| CB Norbury Ltd | Newbury | 2018 |
| CB Racing Ltd | Northampton | 2026 |
| CB Rugby Ltd | Rugby | 2020 |
| CB Salons Ltd | Otley | 2023 |
| CB Studios Ltd | Epsom | 2025 |
| CB Tanning & Aesthetics Limited | Manchester | 2024 |
| CB Tints Ltd | Nuneaton | 2022 |
| CB UK Signalling Ltd | Bury St. Edmunds | 2017 |
| CB Wealth Ltd | Horsham | 2019 |
| CB Wheels Ltd | Glasgow | 2019 |
| Cb-Byceliak Ltd | Brentwood | 2025 |
| CB1 Cambridge Nails Ltd | London | 2018 |
| CB91 Ltd | Derby | 2026 |
| CBA Grooming Co Ltd | London | 2026 |
| CBA Inc Ltd | London | 2019 |
| CBA Ministry Ltd | London | 2025 |
| CBA Rope Access Limited | London | 2019 |
| CBA Surveys Limited | Cleethorpes | 2007 |
| Cbasp UK Limited | Barnsley | 2024 |
| Cbbrc Limited | London | 2025 |