| Chase Financial Solutions Limited | Professional & scientific | 2023 |
| Chase Intellectual Limited | Real estate | 2006 |
| Chaser IT Limited | Information & communication | 2010 |
| Chaser Services Ltd | Administrative & support | 2018 |
| Chaska Restaurant Limited | Hospitality | 2019 |
| Chatha Estates Ltd | Real estate | 2025 |
| Chatsdavis Limited Company Limited | Health & social care | 2019 |
| Chaudhary Scaffolding Ltd | Construction | 2023 |
| Chaudhry Estates Limited | Real estate | 2023 |
| Chaudhry Services Ltd | Administrative & support | 2017 |
| Chauffeur on Time Ltd | Transport & logistics | 2023 |
| Chauffeurex Ltd | Transport & logistics | 2018 |
| Chauffeuring Elite Ltd | Transport & logistics | 2025 |
| Chauffeurs&Close Protection Ltd | Transport & logistics | 2024 |
| Chauhan PMS Limited | Transport & logistics | 2026 |
| Chawla Retail Ltd | Wholesale & retail | 2022 |
| Chawlas Retail Limited | Wholesale & retail | 2025 |
| CHC Navigation UK Ltd | Manufacturing | 2017 |
| Cheapcabgrab Limited | Transport & logistics | 2025 |
| Check a Car AI Ltd | Information & communication | 2026 |
| Check House Care Limited | Health & social care | 2019 |
| Checkout Superstore Limited | Wholesale & retail | 2022 |
| Checkout Wholesale Limited | Wholesale & retail | 2000 |
| Cheeky Chicken & Pizza Ltd | Hospitality | 2019 |
| Cheema Building Construction Ltd | Construction | 2022 |
| Cheema Development Berks Ltd | Real estate | 2022 |
| Cheema Family Partnership LLP | | 2019 |
| Cheema Property Maintenance Ltd | Construction | 2025 |
| Cheema Property Services Limited | Construction | 2026 |
| Cheemalogistics Ltd | Transport & logistics | 2018 |
| Cheemapropertygroup Ltd | Real estate | 2025 |
| Cheems Medical Limited | Health & social care | 2025 |
| Chef to Chef Limited | Extraterritorial | 1997 |
| Chef's Tree Ltd | Hospitality | 2017 |
| Chehal Estates Ltd | Real estate | 2025 |
| Chelsea Court Limited | Households | 1985 |
| Chelsea Homecare Ltd | Administrative & support | 2021 |
| Chelsea Russell Ltd | Wholesale & retail | 2019 |
| Cheltenham Clinic Limited | Health & social care | 2026 |
| Chenkov Energy Cleaning Limited | Administrative & support | 2022 |
| Cherries Investments Ltd | Real estate | 2024 |
| Cherries Medical Clinic Ltd | Health & social care | 2021 |
| Cherry Solutions Zone Ltd | Construction | 2025 |
| Cheshire Landscape Supplies Ltd | Wholesale & retail | 2016 |
| Chester Iron Transport Ltd | Transport & logistics | 2025 |
| Chesterfield Real Estate Ltd | Real estate | 2014 |
| Chestfield Dental Surgery Limited | Health & social care | 2013 |
| Chestnut Home Design Limited | Wholesale & retail | 2021 |
| Chestnut Homes (Berkshire) Ltd | Real estate | 2020 |
| Chestnuts Bar and Grill Limited | Hospitality | 2023 |
| Cheviot Chemicals Ltd | Wholesale & retail | 2021 |
| Cheviot Food and Wine Ltd | Wholesale & retail | 2024 |
| Chhappan Bhog London Ltd | Hospitality | 2018 |
| Chhokar Holding Ltd | Real estate | 2025 |
| Chic & Cozy Ltd | Wholesale & retail | 2024 |
| Chicken and Grill Ltd | Hospitality | 2025 |
| Chicken Delite Farnham Road Ltd | Hospitality | 2017 |
| Chicken Delite HS Ltd | Hospitality | 2017 |
| Chico Asset Management Limited | Real estate | 2023 |
| Chillidogs Ltd | Hospitality | 2023 |
| Chiltern Air Freight Limited | Transport & logistics | 1982 |
| Chiltern Property Limited | Real estate | 2011 |
| Chime Cart Limited | Wholesale & retail | 2025 |
| Chinagrade Limited | Agriculture & fishing | 1983 |
| Chinoir Ltd | Manufacturing | 2025 |
| Chipsta Farn Ltd | Hospitality | 2024 |
| Chipsta Franchising Ltd | Hospitality | 2022 |
| Chipsta High Ltd | Hospitality | 2026 |
| Chipsta SL1 Limited | Hospitality | 2023 |
| Chipsta Slough Ltd | Hospitality | 2019 |
| Chipsta Swan Ltd | Hospitality | 2025 |
| Chisam Consulting Ltd | Professional & scientific | 2024 |
| Chiswick Dental Clinic Ltd | Health & social care | 2019 |
| Chlick Chlick Ltd | Hospitality | 2023 |
| Chlick Less Ltd | Hospitality | 2025 |
| Chloe Dowson Ltd | Professional & scientific | 2023 |
| Chocoberry Slough Ltd | Hospitality | 2026 |
| Chohan Construction Ltd | Construction | 2024 |
| Chohan Supported Accommodation Ltd | Health & social care | 2024 |
| Chohan Supported Housing Services Limited | Health & social care | 2019 |
| Chohans & Sons Ltd | Real estate | 2021 |
| Chohans Sweets Ltd | Hospitality | 2020 |
| Chopra & Sons Properties Limited | Real estate | 2021 |
| Chopra and Sons (London) Limited | Wholesale & retail | 2015 |
| Chordspace Ltd | Information & communication | 2019 |
| Choto PVT Ltd | Manufacturing | 2015 |
| Choudhry Corporation Ltd | Wholesale & retail | 2025 |
| CHR Property Partners Ltd | Real estate | 2023 |
| Chra Freehold Limited | Real estate | 2009 |
| Chra RTM Company Limited | Households | 2007 |
| Chris Modern Door Ltd | Construction | 2024 |
| Christchurch Travel Limited | Transport & logistics | 2017 |
| Christopher George Associates Ltd | Administrative & support | 2012 |
| Christopher House Management Limited | Households | 1994 |
| Chroma Casa Ltd | Wholesale & retail | 2025 |
| Chrono Works Groups Ltd | Water & waste | 2026 |
| Chronometric Time Ltd | Wholesale & retail | 2011 |
| Chronos Homes Ltd | Real estate | 2024 |
| Chukwu Services Ltd | Professional & scientific | 2026 |
| Chupacabra Car Ltd | Wholesale & retail | 2016 |