| Chiltern Engineering Services Limited | Newbury | 2020 |
| Chiltern Pet Partners Ltd | Cheadle | 2019 |
| Chiltern Pilates Limited | Marlow | 2014 |
| Chiltern Recruitment Holdings Limited | High Wycombe | 2019 |
| Chiltern Ridges HS2 Action Group | Great Missenden | 2011 |
| Chiltern Sauna Ltd | Gerrards Cross | 2025 |
| Chiltern Saunas and Spas Limited | Marlow | 2025 |
| Chiltern Vale Landrover Club Limited | Leighton Buzzard | 2001 |
| Chiltern View Limited | Aylesbury | 2018 |
| Chilterns Tree Care Ltd | London | 2023 |
| Chilton Buckthorpe Consulting Limited | Ashford | 2019 |
| Chilton House Properties Limited | Leicester | 1991 |
| Chilton Limited | Woodside Green | 2024 |
| Chilton Pump Solutions Limited | High Wycombe | 2020 |
| Chilwell Combined Lodges Limited | Nottingham | 2006 |
| Chilworth & Grey Developments Limited | London | 2014 |
| Chilworth Kennels Limited | Southampton | 2002 |
| Chilworth Members Golf Company Limited | Romsey | 2012 |
| Chim Trim Ltd | Wellingborough | 2021 |
| Chimaera Consultants Ltd | Great Yarmouth | 2024 |
| Chime UK Digital Health Limited | Eastleigh | 2026 |
| CHIME4U Limited | Hertford | 2022 |
| Chimera (UK) Limited | Croydon | 2011 |
| Chimera Management Ltd | London | 2014 |
| Chimera Osteopathy Ltd | Cardiff | 2024 |
| Chimera Tattoo Limited | Barry | 2015 |
| Chimney Sweep Theatricals Limited | Lydney | 2014 |
| Chimneycrete Limited | Harrogate | 2002 |
| China - Britain Business Council | London | 2007 |
| China Bazar Limited | London | 2022 |
| China BLU Holdings Limited | London | 2020 |
| China Britain Artificial Intelligence Association | London | 2018 |
| China Chamber of Commerce in the UK | London | 2007 |
| China Clay Ltd | London | 2018 |
| China Democracy Party UK Committee CIC | Wembley | 2024 |
| China Democratic Party National Headquarters (Overseas) UK Committee Limited | London | 2025 |
| China Diamond Limited | Bury St. Edmunds | 2025 |
| China Dissent Network Ltd | Cardiff | 2024 |
| China Exchange (UK) | Chandler'S Ford | 2014 |
| China Health Preston Limited | Belper | 2021 |
| China Health Spa Treatment Ltd | Rainham | 2024 |
| China Health UK Limited | Lowestoft | 2014 |
| China Infonet Limited | London | 1997 |
| China Investors Club Limited | London | 2016 |
| China Next Foundation | London | 2011 |
| China Northeast Business Association UK | Manchester | 2016 |
| China Regency Ltd. | York | 2017 |
| China Source and Supply Limited | St. Leonards-On-Sea | 2009 |
| China Therapy Limited | Gloucester | 2025 |
| China Town Hair Salon Ltd | London | 2018 |
| China Training & Resource Centre | Epsom | 2009 |
| China UK Creative Innovation Centre | London | 2016 |
| China UK Energy Association | London | 2025 |
| China-Britian Innovation Promotion Initiative Ltd | Liverpool | 2018 |
| China-Uk Human Resources Association | London | 2024 |
| China-Uk Tech Industrialisation Association Ltd | London | 2024 |
| Chinadesigner Ltd | London | 2024 |
| Chinar Gemstone UK Ltd | Wishaw | 2024 |
| Chinbrook Action Residents Team CIC | London | 2024 |
| Chindit Limited | Ashford | 2011 |
| Chine Tography Limited | Ilford | 2015 |
| Chinedus Augustus Ventures UK Limited | Coventry | 2022 |
| Chinese Acupuncture and Herbal Medicine Alliance Limited | Norwich | 2025 |
| Chinese Alliance Churches Union (UK) | Manchester | 2001 |
| Chinese Beauti Hair Ltd | Bristol | 2025 |
| Chinese Businesswomen Limited | Chester | 2023 |
| Chinese Chamber of Commerce | Belfast | 2000 |
| Chinese Church in London | | 2004 |
| Chinese Collectors Club UK Ltd | London | 2018 |
| Chinese Entrepreneurs Association | London | 2012 |
| Chinese Health & Spa Ltd | Bristol | 2022 |
| Chinese Laundry (Barnsley) Limited | South Yorkshire | 2025 |
| Chinese Loong Ltd | Loanhead | 2025 |
| Chinese Medicine Alliance UK Ltd | Bradford | 2021 |
| Chinese Red Dog AID UK | St. Neots | 2024 |
| Chinese Red Dog Registry Ltd | Dartford | 2021 |
| Chinese Sourcing Agents Limited | Birmingham | 2014 |
| Chinese Therapy Ltd | Barry | 2024 |
| Chinese Wellness Centre Ipswich Ltd | Ipswich | 2025 |
| Chinese Youth Confederation in Scotland UK Ltd | Edinburgh | 2017 |
| Chingford Fabric Care Ltd | London | 2020 |
| Chingford Masonic Hall Company Limited | Chingford | 1927 |
| Chingford Mount Funeral Directors Limited | Woodford Green | 2005 |
| Chingford Residents Assn | Chingford | 2024 |
| Chingford Tanning Shop Limited | Doncaster | 2011 |
| Chingfords (Slough) Limited | Southampton | 2025 |
| Chinggis Khan International Limited | North Finchley | 2010 |
| Chinnor Investments Ltd | London | 2021 |
| Chinone Ltd | Southall | 2023 |
| Chinook Two Moons Ltd | Brecon | 2014 |
| Chinos Maintenance Ltd | Accrington | 2017 |
| Chinshaku Ltd | Cardiff | 2019 |
| Chinthaka's Trust Ltd | Longfield | 2020 |
| Chinuch 20 | London | 2017 |
| Chinwag Business Development & Marketing Ltd | Croydon | 2018 |
| Chinxx Beauty Ltd | London | 2025 |
| Chin’S Beauty Bar Ltd | Bristol | 2024 |
| Chiocchi PT Ltd | Newark | 2024 |
| Chip & Co London Ltd | Southgate | 2023 |
| Chipah Limited | Lancaster | 2014 |