| Cocos Canine Spa Ltd | Redditch | 2025 |
| Cocos Hair Ltd | Sutton | 2024 |
| Cocoswirl Ltd | Milton Keynes | 2024 |
| Coda Commerce Limited | Ashford | 1999 |
| Coda Commerce Property Ltd | Ashford | 2020 |
| Coda VIP Ltd | Newcastle | 2025 |
| Codartsy Ltd | Coventry | 2025 |
| Codasip UK Limited | Bristol | 2021 |
| Codax Limited | Barnet | 2012 |
| Coddenham Limited | Newhaven | 2023 |
| Coddiwomple Ltd | Cambridge | 2025 |
| Code 4 Life Academy Ltd. | Bournemouth | 2009 |
| Code a Weld Holdings Limited | Radstock | 2001 |
| Code Aesthetics Birmingham Ltd | Birmingham | 2024 |
| Code Blonde Hair Studio Ltd | Barnstaple | 2025 |
| Code Coaching & Development Limited | Warrington | 2026 |
| Code Glasgow City Ltd | Glasgow | 2023 |
| Code Glasgow Limited | Glasgow | 2020 |
| Code Hair Consultants Limited | Lowestoft | 2009 |
| Code Red Hair Ltd | Chatham | 2019 |
| Code Uddingston Limited | Glasgow | 2021 |
| Code Yellow Limited | Enfield | 2015 |
| Code&Cash Ltd | London | 2025 |
| Codebreaker Brewery Ltd | Lincoln | 2022 |
| Codecoded Limited | Norwich | 2018 |
| Codecrusade Limited | London | 2025 |
| Codecup Ltd | London | 2015 |
| Codegeass Ltd | London | 2024 |
| Codelco Services Ltd. | | 1988 |
| Codelocksmiths Limited | Chester | 2021 |
| Codereach Ltd | London | 2025 |
| Codered Life Coaching Ltd | Keighley | 2023 |
| Codered Paramedical Ltd | Bradford | 2017 |
| Coderun Technologies Limited | North Shields | 2015 |
| Codestorm Holdings Limited | Birmingham | 2017 |
| Codetree Limited | | 2004 |
| Codex Advisory Ltd | Ruislip, | 2025 |
| Codicote Indian Spice Ltd | Watford | 2026 |
| Codicote Spice Ltd | Codicote | 2013 |
| Codicote Valeting Ltd | Cardiff | 2023 |
| Codie's Dollhouse Limited | Hull | 2024 |
| Codnor CUT Ltd | Ripley | 2025 |
| Codo by TRA Ltd | London | 2024 |
| Codona's Funfare UK Ltd | Glasgow | 2016 |
| Cody Cares Ltd | Walton-On-Thames | 2019 |
| Cody Drameh Limited | Hull | 2022 |
| COE Contracts Limited | Ballachulish | 2002 |
| COE Hair Limited | Glasgow | 2020 |
| Coease Limited | Romford | 2023 |
| Coedemlyn Ltd | Cowbridge | 1999 |
| Coedhi Ltd | Callander | 2020 |
| Coedpoeth Barber Ltd | Wrexham | 2025 |
| Coenseo Ventures Ltd | Wetherby | 2023 |
| Coepi Consulting Limited | Nottingham | 2012 |
| Coeur Sauvage Ltd | Johnstone | 2021 |
| Coexist House | London | 2015 |
| Coffee WIN Ltd | Cockfosters | 2013 |
| Coffee & Pink Ltd | Hitchin | 2004 |
| Coffee @ Work (London) Limited | London | 2009 |
| Coffee and Cleaners Limited | London | 2024 |
| Coffee and Cutz Limited | London | 2021 |
| Coffee Bar SO16 Limited | Winchester | 2020 |
| Coffee Chat ETC... Ltd | Reading | 2025 |
| Coffee Doctors Ltd | Ashford | 2018 |
| Coffee Estates Ltd | Motherwell | 2017 |
| Coffee for Life Ltd | Motherwell | 2016 |
| Coffee House 9 Limited | London | 2017 |
| Coffee Knightsbridge Ltd | Twickenham | 2023 |
| Coffee Lounge SW Limited | Barnstaple | 2010 |
| Coffee Machine Services Limited | Doncaster | 2009 |
| Coffee MAN House Ltd | London | 2024 |
| Coffee Operations Limited | Ashford | 2020 |
| Coffee Ventures Europe Limited | London | 2022 |
| Coffee Vocabulary Limited | Loughton | 2023 |
| Coffee With Ella Ltd | Watford | 2023 |
| Coffee Wizard Limited | Barnsley | 2020 |
| Coffeeyay Ltd | Edinburgh | 2013 |
| Coffice Ltd | Ilford | 2016 |
| Coffin Club UK Ltd | St. Leonards-On-Sea | 2019 |
| Cofton Bark Ltd | Birmingham | 2026 |
| Cofton Lake Conservation Limited | Birmingham | 2004 |
| COG School of Motoring Ltd | Penarth | 2002 |
| COG Services Limited | Liverpool | 2016 |
| Cogdem | Huntingdon | 1999 |
| Cogent Boost Ltd | Manchester | 2024 |
| Cogent Estate Planning Limited | Stanmore | 2023 |
| Cogent Growth Limited | London | 2014 |
| Cogent Marketing Solutions Ltd | Middlewich | 2016 |
| Cogent Solutions Ltd | Lancashire | 2023 |
| Cogentia Healthcare Consulting Ltd | Macclesfield | 2010 |
| Coggeshall Legends Ltd | London | 2019 |
| Coggins & Co Ltd | Pontypridd | 2002 |
| Coggins Ultimate Well Being Limited | Southampton | 2014 |
| Cogitas Ltd | Bournemouth | 2013 |
| Cogivee Ltd | Ottery St. Mary | 2019 |
| Cognate Global Salon Ltd | London | 2023 |
| Cognatum Services Limited | Wallingford | 2018 |
| Cognia Holdings Limited | London | 2014 |
| Cognilink Ltd | Saffron Walden | 2025 |
| Cognisa Ltd | Poole | 2022 |