| Calvary School of Prophetic Ministry Ltd | Welwyn Garden City | 2009 |
| Calverley Village Day Nursery Limited | Leeds | 2011 |
| Calvert Creative Limited | Bognor Regis | 2022 |
| Calvert Sporting Limited | Bridport | 2016 |
| Calverton Day Nursery Ltd | Nottingham | 2024 |
| Calvic Care & Support Ltd | Birmingham | 2023 |
| Calvic Enterprises Limited | Birmingham | 2012 |
| Calypso Kids Limited | Shipston-On-Stour | 2012 |
| Calzaghe Mini Dragons Limited | Cardiff | 2019 |
| CAM Coaching Ltd | Doncaster | 2024 |
| CAM Eduhub Ltd | Cambridge | 2025 |
| CAM Global College Ltd | London | 2018 |
| CAM Together UK CIC | Cambridge | 2025 |
| CAM Tutoring Ltd | London | 2024 |
| CAM Wallace PT Ltd | Bathgate | 2024 |
| Cam-Era Culture Exchange Limited | Litlington | 2012 |
| CAM4ANIMALS CIC | Ystrad Meurig | 2025 |
| Camara Education UK Ltd | London | 2009 |
| Camau Training and Consultancy Ltd | Neath | 2019 |
| Cambercite Limited | Hove | 2012 |
| Camberley Piano School Ltd | Camberley | 2025 |
| Camberwell After School Project | | 2000 |
| Cambford Intl College Ltd | London | 2025 |
| Cambian Autism Services Limited | Uxbridge | 1997 |
| Cambian Whinfell School Limited | Uxbridge | 2002 |
| Cambium Sustainable Limited | Hereford | 2018 |
| Cambliz Limited | London | 2015 |
| Cambo Wraparound | Cambo | 2009 |
| Cambodia Youth for Change | Cookstown | 2012 |
| Cambourne Hindus CIC | Cambridge | 2025 |
| Cambrain Consulting Limited | London | 2010 |
| Cambria Collage International Ltd | London | 2025 |
| Cambria Lodge Ltd | Llandudno | 2013 |
| Cambria Sports Culture CIC | Doncaster | 2021 |
| Cambria Trust | Sittingbourne | 2007 |
| Cambrian Events & Life Training Limited | Neath | 2019 |
| Cambrian Learning Trust | Faringdon | 2012 |
| Cambrian Mines Trust | Walsall | 2012 |
| Cambrian Training Company/Cwmni Hyfforddiant Cambrian Cyfyngedig | Welshpool | 1995 |
| Cambrian Village Trust Limited | Tonypandy | 2018 |
| Cambridge Academic Management Limited | Huntley | 2019 |
| Cambridge Academy for Professional Training Ltd | Cambridge | 2016 |
| Cambridge Academy in London Ltd | London | 2017 |
| Cambridge Academy Limited | Cheadle | 2013 |
| Cambridge Academy of Advanced Studies Ltd | London | 2004 |
| Cambridge Academy of Arts and Sciences Ltd | Peterborough | 2021 |
| Cambridge Academy of Professional Managers Limited | London, Ec1V 2Nx | 2017 |
| Cambridge Academy of Risk Management Limited | Cambridge | 2024 |
| Cambridge Academy of Science, Technology and Specialized Studies Ltd | Leicester | 2020 |
| Cambridge Academy of Transport Limited | Cambridge | 1985 |
| Cambridge Aesthetic & Laser Academy Limited | Cambridge | 2021 |
| Cambridge AI Academy Limited | Newmarket | 2025 |
| Cambridge AI Labs Ltd | Cambridge | 2017 |
| Cambridge Alumni Tutors Ltd | London | 2025 |
| Cambridge and London Summer School Ltd | London | 2019 |
| Cambridge Arts & Sciences Limited | Cambridge | 1997 |
| Cambridge Assessment | Cambridge | 2004 |
| Cambridge Assessment Overseas Limited | Cambridge | 2007 |
| Cambridge Bangla Academy Ltd | Cambridge | 2024 |
| Cambridge Body Psychotherapy Centre Ltd | Cambs | 2007 |
| Cambridge Bulgarian Community Ltd | Cambridge | 2022 |
| Cambridge Business Online Centre Ltd | London | 2023 |
| Cambridge Business School Limited(The) | Cambridge | 1980 |
| Cambridge Camerata Academy Limited | Cambridge | 2024 |
| Cambridge Candid Academy Ltd | Birmingham | 2023 |
| Cambridge CE Ltd | Sutton | 2024 |
| Cambridge Center for Education Exchange Ltd | Cambridge | 2018 |
| Cambridge Center of Analytics Limited | Romford | 2023 |
| Cambridge Centre for Elite Education Limited | Cambridge | 2025 |
| Cambridge Centre for International Research Ltd | Milton | 2020 |
| Cambridge Centre of Islamic Finance | London | 2026 |
| Cambridge Centre of Performance & Excellence Limited | Dunmow | 2014 |
| Cambridge Chemistry Challenge Limited | Lower Heyford | 2023 |
| Cambridge Choral Ltd | Cambridge | 2020 |
| Cambridge City Company Limited | London | 2023 |
| Cambridge Clinical Courses Limited | Royston | 2021 |
| Cambridge Cobras FC Ltd | Newmarket | 2022 |
| Cambridge College for Professional Training Ltd | London | 2024 |
| Cambridge College Limited | Newcastle Upon Tyne | 2022 |
| Cambridge College London Ltd | London | 2013 |
| Cambridge College of Management and Sciences Ltd | Rochdale | 2017 |
| Cambridge College of Management and Studies Ltd | Birmingham | 2025 |
| Cambridge College of Technology,Oxford College of Science,Harvard College of Education Ltd | Cardiff | 2024 |
| Cambridge Community Arts | Cambridge | 2014 |
| Cambridge Critical Care Education Ltd | Cambridge | 2023 |
| Cambridge Crown College London Ltd | London | 2025 |
| Cambridge Crown College Ltd | London | 2025 |
| Cambridge Cultural Exchange Ltd | London | 2017 |
| Cambridge Culture Exchange Ltd | London | 2015 |
| Cambridge Cyber Centre Ltd | Devizes | 2023 |
| Cambridge Day Nursery Limited | Ilford | 2006 |
| Cambridge Dongfang Dahua Heritage Foundation | Cambridge | 2025 |
| Cambridge Dream Limited | London | 2003 |
| Cambridge Driving Academy Ltd | Cambridge | 2025 |
| Cambridge Driving Hub Ltd | Cambridge | 2025 |
| Cambridge Driving Instructors Ltd | Cambridge | 2025 |
| Cambridge Driving School Ltd | Cambridge | 2024 |
| Cambridge EAL Ltd | Cambridge | 2023 |
| Cambridge EAP Ltd | Cambridge | 2013 |
| Cambridge EDU Centre Ltd | Cambridge | 2011 |