| Centryn Group Limited | Financial services | 2026 |
| Centryn Holding Limited | Real estate | 2025 |
| Centryn Properties Limited | Real estate | 2024 |
| Centryn Stays Limited | Hospitality | 2025 |
| Centurion Consulting Group Ltd | Professional & scientific | 2015 |
| Century Tours Ltd | Administrative & support | 2024 |
| CEP International Limited | Wholesale & retail | 2003 |
| Cepheus Care Ltd | Health & social care | 2023 |
| Cepys Investments Ltd | Real estate | 2020 |
| Cerbera Bewdley Limited | Real estate | 2014 |
| Cereal Developments Limited | | 1980 |
| Cereva Overseas Finvest Private Limited | Hospitality | 2012 |
| Cergus Prime Care Cumbria Ltd | Health & social care | 2025 |
| Certs Nexus Ltd | Information & communication | 2026 |
| Cesari Holdings Ltd | Other services | 2022 |
| Cesari Ltd | Arts & recreation | 2009 |
| Cetalux Ltd | Health & social care | 2025 |
| Cether Limited | Health & social care | 2025 |
| Ceutiqus Limited | Professional & scientific | 2009 |
| CFD Sofas Limited | Wholesale & retail | 2011 |
| CFRAN6PRODUCTIONS and Entertainment Ltd | Arts & recreation | 2020 |
| CFS Psychology Ltd | Professional & scientific | 2018 |
| CFW Coaching Ltd | Education | 2024 |
| CFW Kids Ltd | Education | 2024 |
| CG Info Ltd | Information & communication | 2025 |
| CGH Retail Ltd | Wholesale & retail | 2026 |
| CGL Transport Ltd | Transport & logistics | 2019 |
| Chacha's Halal Meat UK Ltd | Wholesale & retail | 2024 |
| Chadda UK Property Ltd | Real estate | 2024 |
| Chaggar Group Limited | Real estate | 2013 |
| Chaggar Limited | Financial services | 2001 |
| Chaggar Properties Limited | Financial services | 2015 |
| Chagger & Sons Limited | Real estate | 2012 |
| Chahal Building & Construction Ltd | Manufacturing | 2026 |
| Chahal Drives Limited | Construction | 2022 |
| Chahal Telford Properties Ltd | Real estate | 2026 |
| Chahal Transportation Ltd | Transport & logistics | 2024 |
| Chalben Limited | Real estate | 2025 |
| Chall Holdings Ltd | Real estate | 2024 |
| Challenge Power Transmission Limited | Manufacturing | 1996 |
| Chamac Investments Limited | Real estate | 2017 |
| Chamber Holdings Ltd | Real estate | 2019 |
| Chamber of Data Protection Ltd | Information & communication | 2025 |
| Chamberlain Residential Care Ltd | Health & social care | 2020 |
| Chambers Consulting Limited | Professional & scientific | 2025 |
| Chambers Electrical (Wolverhampton)Limited | Construction | 1972 |
| Chambers Holdings Limited | Professional & scientific | 1989 |
| Chameleon Composite Doors Ltd | Wholesale & retail | 2025 |
| Chamethra Ltd | Wholesale & retail | 2018 |
| Chamomile Assist Ltd | Administrative & support | 2024 |
| Champion 26 Ltd | Transport & logistics | 2017 |
| Chana Homes Ltd | Construction | 2020 |
| Chancery Contracts Limited | Professional & scientific | 1992 |
| Chander Capital Holdings Limited | Financial services | 2024 |
| Chander Towers Limited | Real estate | 2024 |
| Chandigarh Advice Centre Ltd | Professional & scientific | 2021 |
| Chandos Square Holdings Limited | Real estate | 2025 |
| Chang MG CIC | Other services | 2024 |
| Change 2 Deliver Ltd. | Information & communication | 2014 |
| Change Over Hair Studio Ltd | Other services | 2025 |
| Chanitise Interactive Limited | Information & communication | 2010 |
| Chano Sweets Limited | Wholesale & retail | 2025 |
| Chantelle Entertainment Limited | Hospitality | 2025 |
| Chantel’S Childminding Service Ltd | Health & social care | 2023 |
| Chapel ASH Food Ltd | Hospitality | 2026 |
| Chapel House Properties Limited | Construction | 2002 |
| Character Coaching Co C.I.C. | Education | 2014 |
| Charavid Limited | Manufacturing | 2024 |
| Chardi Kala Properties Ltd | Real estate | 2023 |
| Chardikala Couriers Ltd | Transport & logistics | 2026 |
| Charicare Ltd | Health & social care | 2020 |
| Charis Brian Adele & Co Ltd | Wholesale & retail | 2024 |
| Charis E-Stores Ltd | Wholesale & retail | 2021 |
| Charis Health Care Ltd | Health & social care | 2013 |
| Charis Int’L Recruitment Solutions Ltd | Health & social care | 2021 |
| Charis Music Ltd | Education | 2024 |
| Charles Grace Developments Limited | Construction | 2018 |
| Charles Grace Homes Limited | Construction | 2018 |
| Charles Latten Homes Ltd | Construction | 2015 |
| Charles Nicholas Limited | Professional & scientific | 2024 |
| Charles Pugh Enterprise Limited | Real estate | 1981 |
| Charles Telford Housing Limited | Real estate | 2017 |
| Charlie Knows Real Estate Ltd | Real estate | 2025 |
| Charlie Laurence Properties Ltd | Real estate | 2019 |
| Charlottejourdan Properties Limited | Real estate | 2023 |
| Charlton House 664 High Road Ltd | Real estate | 2016 |
| Charlton House Group Ltd | Real estate | 2016 |
| Charlton House NO.1 Ltd | Real estate | 2018 |
| Charlton House NO.2 Ltd | Real estate | 2018 |
| Charlton House NO.3 Ltd | Real estate | 2023 |
| Charman Logistics Limited | Transport & logistics | 2025 |
| Charming Store Ltd | Wholesale & retail | 2025 |
| Charn Limited | Transport & logistics | 2025 |
| Chart UK Investments Limited Partnership | | 1998 |
| Charter Court Financial Services Limited | Financial services | 2008 |
| Charter Mortgages Limited | Financial services | 2008 |
| Charterbridge Properties Limited | Real estate | 2009 |
| Chartered Development Limited | Construction | 2004 |
| Chartley Holdings Ltd | Financial services | 2021 |
| Chas. Swann (Walsall) Limited | Wholesale & retail | 1980 |