| Close and Personal Ltd | London | 2022 |
| Close Male Grooming (Altrincham) Limited | Northwich | 2014 |
| Close Male Grooming (Bridge ST.) Limited | Northwich | 2014 |
| Close Male Grooming (Castlefield) Limited | Northwich | 2022 |
| Close Male Grooming (Didsbury) Ltd | Northwich | 2017 |
| Close Male Grooming (Spectrum) Limited | Northwich | 2017 |
| Close Male Grooming Ltd | Northwich | 2009 |
| Close Nutrition (Newton) Limited | Newton-Le-Willows | 2014 |
| Close Protection Group Ltd | Ruislip, | 2026 |
| Close Shave Berkhamsted Limited | Berkhamsted | 2025 |
| Close Shave(Uk) Ltd | Ellesmere Port | 2019 |
| Close to Home Child Care Limited | Burnham-On-Crouch | 2008 |
| Close to Home Dog Hotel Ltd | Harpenden | 2023 |
| Close to ME Ltd | London | 2017 |
| Close to the Edge Limited | Epsom | 1987 |
| Closecut Barbers Ltd | Edinburgh | 2026 |
| Closed Sundays Ltd | Cheltenham | 2013 |
| Closed System Control Association Ltd | Tamworth | 2016 |
| Closehelm Limited | Bournemouth | 1983 |
| Closeiq Ltd | Southampton | 2025 |
| Closs Hair Extensions Ltd | London | 2022 |
| Cloth Care Limited | Ilford | 2016 |
| Clothes AID Export Sales Limited | Bournemouth | 1992 |
| Clothes AID Limited | Brentwood | 2017 |
| Clothes AID Recycle Limited | Bournemouth | 2025 |
| Clothes Care DRY Cleaners Ltd | Hartley Wintney | 2003 |
| Clothes Clinic (Morriston) Limited | Swansea | 2022 |
| Clothes Point | Bolton | 2023 |
| Clothes Point a | Bolton | 2023 |
| Clothes Point B | Bolton | 2023 |
| Clothes Point C | Bolton | 2023 |
| Clothes Point D | Bolton | 2023 |
| Clothes Point E | Bolton | 2023 |
| Clothes Point F | Bolton | 2023 |
| Clothes Point G | Bolton | 2023 |
| Clothes Point H | Bolton | 2023 |
| Clothes Point North | Bolton | 2024 |
| Clothing Alterations by Anie Ltd | London | 2018 |
| Clothing Care DC Ltd | Loughton | 2020 |
| Clothing Care L Ltd | London | 2024 |
| Clothing Care London Ltd | London | 2019 |
| Clothing Care Ltd | London | 2009 |
| Clothing Care S&K Ltd | London | 2024 |
| Clothing Station Limited | Barking | 2015 |
| Clothworkers' Foundation(The) | London | 1977 |
| Clothworks Glasgow C.I.C. | Glasgow | 2018 |
| Clotino.Ma Ltd | London | 2021 |
| Cloud & Co Cambridge Limited | Cambridge | 2023 |
| Cloud 8 Formby Ltd | Liverpool | 2024 |
| Cloud 9 (Central) Ltd | Sheffield | 2023 |
| Cloud 9 Events Ltd | Cheadle | 2020 |
| Cloud 9 Hair Design Limited | London | 2005 |
| Cloud 9 Hair Salon Limited | Ryde | 2020 |
| Cloud 9 Hair Studio Ltd | Woodbridge Suffolk | 2016 |
| Cloud 9 Lettings Ltd | Southampton | 2020 |
| Cloud 9 Media Group Limited | Langho, Blackburn | 2019 |
| Cloud 9 Nail Spa Limited | Welling | 2026 |
| Cloud 9 Nails & Beauty Limited | Cambridge | 2024 |
| Cloud 9 Salon Ltd | Ayr | 2018 |
| Cloud 9 Training Academy Ltd | Thornton-Cleveleys | 2024 |
| Cloud 9 Wellness & Recovery Ltd | Dungannon | 2024 |
| Cloud and More Limited | Leighton Buzzard | 1985 |
| Cloud Barbers Ltd | Southampton | 2025 |
| Cloud Beauty by Hannah Frances Ltd | Oldham | 2024 |
| Cloud Beauty Lounge Ltd | Carlisle | 2024 |
| Cloud Central Convergence Ltd | Derby | 2002 |
| Cloud Chasing Ltd | London | 2016 |
| Cloud Chongers Ltd | Solihull | 2016 |
| Cloud City Vapez UK Ltd | Ringwood | 2022 |
| Cloud Clinic Beauty Ltd | Manchester | 2025 |
| Cloud Concierge Ltd | London | 2025 |
| Cloud Equestrian Ltd | Bolton | 2022 |
| Cloud Factory Ltd | Leicester | 2023 |
| Cloud Gate Properties Limited | Leeds | 2013 |
| Cloud Health and Beauty Ltd | London | 2023 |
| Cloud Iris Ltd | Surbiton | 2023 |
| Cloud LEI Limited | Glasgow | 2018 |
| Cloud Maintenance Ltd | London | 2024 |
| Cloud Maintenance MCR Ltd | Manchester | 2024 |
| Cloud Monkey Solutions Ltd | Bradford | 2024 |
| Cloud Nail Spa Limited | Gravesend | 2024 |
| Cloud Nine 97 Ltd | Crewe | 2026 |
| Cloud Nine Beauty Ltd | Ferndown | 2008 |
| Cloud Nine Canines Ltd | Birmingham | 2025 |
| Cloud Nine Collective Limited | Gateshead | 2018 |
| Cloud Nine Dream Events Limited | Walsall | 2007 |
| Cloud Nine Hair and Beauty Limited | Swindon | 2014 |
| Cloud Nine HQ Ltd | Southampton | 2020 |
| Cloud Nine Innovations Ltd | London | 2026 |
| Cloud Nine Skincare Clinic Ltd | Port Talbot | 2025 |
| Cloud Nine Solutions Ltd | London | 2020 |
| Cloud Recruitment Ltd | London | 2025 |
| Cloud Shipping Services Ltd | Rainham | 2017 |
| Cloud Skin Beauty and Aesthetics Limited | Dunfermline | 2025 |
| Cloud TEN Ltd | Bampton | 2010 |
| Cloud-Busting Creations Ltd | Chesterfield | 2022 |
| CLOUD9 Beauty Tower Bridge Ltd | London | 2025 |
| CLOUD9 Campers Ltd | Inverurie | 2019 |
| CLOUD9 Promotions Ltd | Preston | 2025 |
| CLOUD9COMPETITONS Limited | Torquay | 2024 |