| Court DE Padel Newcastle Limited | Nottingham | 2025 |
| Court DE Padel Norwich Limited | Nottingham | 2025 |
| Court DE Padel Prestatyn Limited | Nottingham | 2026 |
| Court DE Padel Stoke Limited | Nottingham | 2025 |
| Court Sports UK Ltd | Dover | 2025 |
| Court Theatre Training Company Ltd | Uxbridge | 2011 |
| Court Yard Club Holdings Limited | Carlisle | 2026 |
| Court Yard Club Limited | Carlisle | 2026 |
| Court Yard Club Properties Limited | Carlisle | 2026 |
| Courteous Designs Ltd | London | 2017 |
| Courtfit Padel Ltd | London | 2021 |
| Courtflow Limited | London | 2011 |
| Courtier Music Ltd | Portsmouth | 2026 |
| Courtlab (Leicester) Limited | Nottingham | 2024 |
| Courtney Maunder Wellness Ltd | Ottery St Mary | 2026 |
| Courtney-Morgan Limited | Bury St. Edmunds | 2016 |
| Courtneys the DRY Cleaners Limited | Sussex | 1882 |
| Courtside Hillsborough CIC | Oxford | 2022 |
| Courtside Hubs CIC | Oxford | 2015 |
| Courtside London Limited | Bishop'S Stortford | 2025 |
| Courtside P Ltd | Stourbridge | 2025 |
| Courtside Padel Club UK Ltd | Sittingbourne | 2025 |
| Courtside Padel Holdings Ltd | London | 2025 |
| Courtside Padel Limited | Cardiff | 2025 |
| Courtside Padel SPV 1 Ltd | London | 2026 |
| Courtside Sports Limited | Gosport | 2008 |
| Courtside Tennis Limited | Hinckley | 2015 |
| Courtside Witney C.I.C. | Oxford | 2026 |
| Courtwood Enterprises Limited | Newbury | 2009 |
| Courtx Ltd | Southsea | 2013 |
| Courtyard 58 Limited | St. Neots | 2025 |
| Cousin Arts Limited | London | 2013 |
| Cousin BEN Productions UK Limited | London | 2024 |
| Cousin Jack's Theatre Company CIC | Helston | 2018 |
| Cousins Professional Snooker Club Limited | London | 2018 |
| Cousins Snooker Pool & Lounge Limited | Maidstone | 2023 |
| Cousland Smiddy Trust | By Dalkeith | 1989 |
| Cousn Limited | Cheltenham | 2018 |
| Coutts Fine Art International Ltd | Nottingham | 2020 |
| Couture Events by Nadia Limited | Leeds | 2019 |
| Couture VIM Media Ltd | London | 2023 |
| Couturier Art Limited | London | 2015 |
| Couzins Performance Limited | London | 2026 |
| COV Cloth CIC | Coventry | 2021 |
| Covcityco Ltd | Coventry | 2022 |
| Cove Burgh Hall | By Helensburgh | 2001 |
| Cove Head CIC | Plymouth | 2019 |
| Cove Holiday Park Limited | Saundersfoot | 2003 |
| Cove Mind & Body Ltd | East Looe | 2023 |
| Cove Music Limited | Barnstaple | 2016 |
| Cove Rangers Football Club Limited | Aberdeen | 1986 |
| Cove Watersports Limited | Southampton | 2026 |
| Covehaven Limited | London | 2003 |
| Coveiro Ltd | Chepstow | 2022 |
| Coven Creative C.I.C. | London | 2026 |
| Coven Pictures Limited | Cardiff | 2020 |
| Coven United FC Limited | Wolverhampton | 2023 |
| Coven Xperience Ltd | Cardiff | 2024 |
| Covent Garden Chamber Orchestra Limited | Ruislip | 2017 |
| Covent Garden Entertainment Ltd | York | 2012 |
| Covent Garden Sinfonia Ltd | London | 2015 |
| Covent Garden Soloists Productions Limited | London | 2017 |
| Covent Ltd | London | 2011 |
| Coventrians Rugby Football Club Limited | Coventry | 2024 |
| Coventry and Warwickshire Award Trust | Coventry | 2012 |
| Coventry Arts Collective Ltd | Coventry | 2019 |
| Coventry Artspace Limited | Coventry | 1991 |
| Coventry Bike Project CIC | Coventry | 2026 |
| Coventry Blaze Ltd | Sheffield | 2001 |
| Coventry Boys and Girls Club Ltd | Coventry | 1997 |
| Coventry Castles Limited | Coventry | 2026 |
| Coventry Cathedral Trading Limited | Coventry | 2018 |
| Coventry Ceroc Ltd | Gloucestershire | 2008 |
| Coventry City Football Club Limited | Coventry | 2011 |
| Coventry Corsairs Rugby Football Club Limited | Coventry | 2025 |
| Coventry Dance Complex Limited | Coventry | 2016 |
| Coventry Gardener Ltd | Coventry | 2020 |
| Coventry Golf Club,Limited(The) | Coventry | 1911 |
| Coventry Hearsall Golf Club (1924) Limited | Coventry | 1924 |
| Coventry Italian JOB | Coventry | 2020 |
| Coventry Padel Club Ltd | Coventry | 2026 |
| Coventry Reds CC Ltd | Coventry | 2025 |
| Coventry Rugby Limited | Coventry | 2009 |
| Coventry Saints Football Club Ltd | Coventry | 2025 |
| Coventry Scout Gang Show Ltd. | Coventry | 1998 |
| Coventry Sports and Functions Limited | West Midlands | 2017 |
| Coventry Sports Foundation | Coventry | 1988 |
| Coventry Super Kings Cricket Club | Leamington Spa | 2020 |
| Coventry Swim School Ltd | Coventry | 2012 |
| Coventry Tornadoes Basketball Club Ltd | Kenilworth | 2026 |
| Coventry United Football Club Limited | Atherstone | 2021 |
| Coventry Watch Museum Project Limited | Coventry | 1995 |
| Cover ALL Occasions Ltd | Birmingham | 2026 |
| Cover IT UP Limited | London | 2000 |
| Cover Pride Limited | London | 2014 |
| Cover to Cover Limited | Tonbridge | 2025 |
| Covercoaches Limited | Woking | 2011 |
| Coverdrive Manchester Ltd | Manchester | 2025 |
| Covered Arts Limited | Kidlington | 2003 |
| Covered Club Ltd | London | 2026 |