| Cavaghan & Gray Group Limited | Wakefield | 1978 |
| Cavalcade Jewels Limited | Southwick | 2011 |
| Cavalcade Products Limited | Shefford | 2004 |
| Cavaletti Collection Ltd | Aldridge | 2017 |
| Cavalex Models Limited | Braintree | 2017 |
| Cavalier Carpets Limited | Blackburn | 1971 |
| Cavalier Contracting Ltd | Glasgow | 2017 |
| Cavalier Print Services Limited | Billericay | 2017 |
| Cavalier Retreads Limited | Stoke On Trent | 1977 |
| Cavalier Sheet Metal Works Limited | Nottingham | 1978 |
| Cavalry Property Maintenance Ltd | London | 2017 |
| Cavalry Robotics Limited | London | 2026 |
| Cavan Bakery Limited(The) | Hersham | 1937 |
| Cavanagh Cabling Ltd | Liverpool | 2022 |
| Cavanhill Limited | Newry | 2016 |
| Cavanna Electric Co., Ltd | West Midlands | 2023 |
| Cavaro Design and Build Ltd | Ivybridge | 2025 |
| Cave Autos Limited | Liverpool | 2013 |
| Cave Edge Industries Limited | Birmingham | 2024 |
| Cave Enerjie Group Ltd | Southampton | 2024 |
| Cave Juice Ltd | London | 2025 |
| Cave Ltd | London | 2026 |
| Cave Retro Ltd | Uckfield | 2016 |
| Cavecourt Limited | Holywood | 2005 |
| Cavelle Designs Ltd | Bradford | 2025 |
| Cavelotus Ltd | London | 2025 |
| Caveman Brewing Company Ltd | Dartford | 2012 |
| Caveman Cacao Ltd | Stockport | 2025 |
| Caveman Designz Ltd | Shotts | 2023 |
| Cavemanes Ltd | London | 2025 |
| Caven Shaw Rail Limited | Mexborough | 2019 |
| Caven's Extra Hands Ltd | Carrickfergus | 2011 |
| Cavendish (Northern) Limited | Billingham | 1982 |
| Cavendish Bakery Limited | East Sussex | 2002 |
| Cavendish Energy Solutions Ltd | London | 2022 |
| Cavendish Engineering Services Limited | Hope Valley | 2002 |
| Cavendish Joinery Limited | Hoddesdon | 1991 |
| Cavendish Medical Solutions Ltd | London | 2024 |
| Cavendish Morgan Limited | Middlesex | 2026 |
| Cavendish Place (Eastbourne) Limited | Eastbourne | 2001 |
| Cavendish Press (Manchester) Limited | Leominster | 1996 |
| Cavendish Sports Limited | Greater Manchester | 1978 |
| Cavendish Stone Ltd | Driffield | 2005 |
| Cavener Ltd | Northampton | 2007 |
| Caveprintsuk Ltd | Edinburgh | 2025 |
| Caver Marine Service Ltd | Beckenham | 2023 |
| Caversham Pest Control Ltd | Bolton | 2023 |
| Caverswall China Ltd | Bromsgrove | 2007 |
| Caverswall English China Company Limited | Warrington | 1994 |
| Cavetto Limited | Chelmsford | 2025 |
| Cavey Laboratory Engineering Company Limited | Guildford | 2011 |
| Caviar DE Beluga Ltd | London | 2018 |
| Caviar Union Holding Limited | Edinburgh | 2020 |
| Cavill Transport Solutions Limited | Beelsby | 2016 |
| Cavimax Ltd | Blandford Forum | 2016 |
| Caviscan Ltd | Sturminster Newton | 2017 |
| Cavitech Solutions Limited | Altrincham | 1990 |
| Cavitool Ltd | Barnstaple | 2021 |
| Cavity Tray Cleaner Ltd | Exeter | 2022 |
| Cavity Trays Limited, | Corsham | 1963 |
| Cavityvac Ltd | Sheffield | 2016 |
| Cavo International Limited | Woking | 2026 |
| Cavs Guardian Limited | Slough | 2022 |
| Cavtec Systems Limited | Newcastle Upon Tyne | 2003 |
| Cavu Aerospace UK Limited | Stirling | 2023 |
| Cavu Aerospace UK Tech. Ltd | Stirling | 2024 |
| Cavu Design Ltd | London | 2025 |
| Cavyt.Dent Ltd | London | 2024 |
| Cawa Bakery Ltd | Sheffield | 2019 |
| Cawingredients Limited | Northallerton | 2008 |
| Cawkwell Aviation Ltd | Norwich | 2026 |
| Cawoods (Fishcurers) Limited | Edinburgh | 1959 |
| Caws Cambria Limited | Newtown | 2026 |
| Caws Cenarth Cheese Limited | Boncath | 2009 |
| Caws MÔN Limited | Holyhead | 2023 |
| Caws Property Services Ltd | King'S Lynn | 2020 |
| Cawson Consultants Ltd | Carlisle | 2022 |
| Cawston Press Limited | Kettering | 2000 |
| Caxdon Premier Limited | London | 2017 |
| Caxton Press (Cymru) Ltd | Rhondda Cynon Taf | 2007 |
| Caxton Printhouse Ltd | London | 2024 |
| Cayden Kian Limited | Stockton-On-Tees | 2024 |
| Cayk Beauty Limited | Leicester | 2022 |
| Caymier Limited | London | 2025 |
| Cayte Designs Ltd | Esher | 2022 |
| Cayton Watches Ltd | Scarborough | 2026 |
| Cayz Ltd | Mildenhall | 2026 |
| CAZ Studio Limited | Henley-On-Thames | 2023 |
| Caz's Cake's Stockport Ltd | Stockport | 2021 |
| Caz's Cakes Limited | Solihull | 2020 |
| Caz's Kitchen Ltd | Liverpool | 2017 |
| Cazandra Limited | Scunthorpe | 2015 |
| Cazen Limited | Southampton | 2023 |
| Cazenove Printers Limited | Finchley | 2010 |
| Cazu Choc's Ltd | Corby | 2020 |
| Cazyan Limited | London | 2004 |
| Cazz Couriers Ltd | Hayes | 2023 |
| CB Advanced Engineering Ltd | Northampton | 2024 |
| CB Arts Ltd | Ulverston | 2018 |
| CB Biomass Limited | Great Dunmow | 2016 |