| China Wint Trading Ltd | Kington | 2024 |
| China&Europe Trading Co., Ltd | Beckenham | 2022 |
| China-Europe Limited | Coulsdon | 2002 |
| China-Uk Cultural Alliance Ltd | London | 2018 |
| China-Uk Science & Education Association | Beckenham | 2020 |
| Chinabus Ltd | St Albans | 2012 |
| Chinantes Sourcing Ltd | London | 2019 |
| Chinatown London Ltd | London | 2016 |
| Chindi Ltd. | Soham | 2016 |
| Chinese & British Culture Promotion Society | Hemel Hempstead | 2014 |
| Chinese & Western Collection & Cultural Exchange Association | Bradford | 2014 |
| Chinese at Pumpherston Limited | Edinburgh | 2018 |
| Chinese GET Hired Ltd | Leeds | 2015 |
| Chinese Laundry Club Limited | Birmingham | 2021 |
| Chinese POS Limited | London | 2018 |
| Chinese Zodiac Limited | Droitwich | 2004 |
| Chino Bandido Ltd | Harrogate | 2012 |
| Chint (UK) Limited | Oldham Road Ancoats | 2002 |
| Chintu Bharadia Ltd | Leicester | 2023 |
| Chinven Limited | London | 2007 |
| Chippee Ki-Yay Limited | Poole | 2025 |
| Chipper Plant Ltd | Guildford | 2015 |
| Chipperfield Garage Limited | Stoke-On-Trent | 1969 |
| Chipperfield Holdings Limited | Stoke-On-Trent | 2005 |
| Chipperfield Homes Limited | Berkhamsted | 1973 |
| Chipperfield Road 1965 Limited | Orpington | 2014 |
| Chipping Norton Container Storage Limited | Chipping Norton | 2025 |
| Chipping Norton Event Hire Limited | Long Compton | 2025 |
| Chipping Norton Self Storage Limited | Chipping Norton | 2018 |
| Chipping Sodbury Healthcare Limited | Walsall | 2025 |
| Chipping Sodbury Motor Co. Limited | Chipping Sodbury | 1958 |
| Chipping Software Limited | Weymouth | 1995 |
| Chippy Flower Farm Limited | Oxfordshire | 2022 |
| Chippy Lane Express Limited | Cardiff | 2024 |
| Chips Ahoy Hot Food Ltd | Manchester | 2025 |
| Chips Ahoy Limited | Bournemouth | 2002 |
| Chips and Cheese Limited | Lincoln | 2018 |
| Chips Oman Distribution Ltd | Isleworth | 2019 |
| Chiron Cyber Security Limited | Birmingham | 2025 |
| Chirsol Limited | Glasgow | 2023 |
| Chisenhale Consulting Limited | Peterborough | 2004 |
| Chislehurst Electrical Contractors Limited | Bromley | 2010 |
| Chistar Ltd | Crewe | 2021 |
| Chiswick Lane (NO 76) Limited | | 2005 |
| Chiswick Park Executive Cars Limited | London | 2008 |
| Chiswick Riviera Limited | London | 2018 |
| Chithurst Cottages Ltd | Heyshott | 2025 |
| Chiwara Investments Limited | London | 2014 |
| Chizari Estate Ltd | London | 2024 |
| Chizoma Anyiam Limited | London | 2025 |
| Chizzie Martin Limited | London | 2024 |
| CHJ Developments Limited | Tetbury | 2010 |
| CHK Holding Co., Ltd. | Cambridge | 2023 |
| Chloe Advisory House Ltd | London | 2025 |
| Chloe Christina Leach Limited | London | 2023 |
| Chloe Group Limited | Harrogate | 2026 |
| Chloe Lesley Watts Limited | Cramlington | 2022 |
| Chloe Watts Limited | Cramlington | 2024 |
| Chloe Wealleans Watts Limited | Cramlington | 2022 |
| Chloe's Abacus Ltd | Norwich | 2022 |
| Chlorination Ltd | Ravensthorpe | 2015 |
| Chlorine Mews Management Company Limited | Belfast | 2000 |
| CHM Associates Limited | Surrey | 2007 |
| CHM Lettings Ltd | Epsom | 2024 |
| Chminey Sweeping Service Ltd | Manchester | 2024 |
| CHN Contractors Limited | Nottingham | 1984 |
| CHN Electrical Services Limited | Nottingham | 1994 |
| CHN Group Ltd | Nottingham | 1997 |
| CHN Special Projects Limited | Nottingham | 1999 |
| CHO OYU International Trading Co., Limited | London | 2023 |
| CHO OYU Ltd | Greenford | 2023 |
| CHO OYU Trading Co., Limited | London | 2023 |
| Choc and Cheese Ltd | Goole | 2021 |
| Chock Design UK Limited | Erith | 2013 |
| Chockland Road Management Company Limited | Newton Abbot | 1998 |
| Chocolate Albino Productions Limited | Bude | 2006 |
| Chocolate Edit Ltd | Witney | 2018 |
| Chocolate Fireguard Music Limited | Huddersfield | 2000 |
| Chocolate Lounge Limited | Stanmore | 2016 |
| Chocolate Ocean Ltd | London | 2024 |
| Chocolate Treat Club Limited | Shepton Mallet | 2015 |
| Choice Asset Management Ltd | Gants Hill | 2015 |
| Choice Care Group Limited | Bracknell | 2003 |
| Choice Dynamic International Private Limited | Pontefract | 2007 |
| Choice Employment Ltd | Dartford | 2007 |
| Choice FM London Limited | | 1994 |
| Choice Funeral Plans Limited | Nottingham | 1985 |
| Choice Language Services Limited | Chelmsford | 2000 |
| Choice Managed Solutions Limited | Broxburn | 2015 |
| Choice Plumbing & Heating Limited | Gillingham | 2018 |
| Choice Security & Fire Solutions Ltd | Gloucestershire | 2004 |
| Choice Shops Limited | Telford | 2021 |
| Choiceform Limited | Manchester | 2003 |
| Choicephone Ltd | London | 2025 |
| Choirs in Quiet Places Limited | Nottingham | 1997 |
| Cholton Limited | Coventry | 2025 |
| Chominski Tiling Ltd | Oldbury | 2019 |
| Chongqing Jiamu Machinery Co., Ltd | London | 2013 |
| Chongqing Senci Import & Export Trade Co., Ltd. | London | 2014 |
| Choo Choo Productions Limited | Doncaster | 2009 |