| Cheng YI Parcel Ltd | Transport & logistics | 2015 |
| Chengguang Trading Co., Ltd | Manufacturing | 2021 |
| Chenova Capital Limited | Financial services | 2025 |
| Chenshengfu Ltd | Wholesale & retail | 2024 |
| Chenxianfu Trading Co., Ltd | Wholesale & retail | 2025 |
| Chenxu Business Limited | Wholesale & retail | 2025 |
| Chepuri Ltd | Other services | 2026 |
| Chequered Flag (Specialist Cars) Ltd | Wholesale & retail | 2016 |
| Chequers Business Consultants Limited | Professional & scientific | 2021 |
| Chequers Business Services Ltd | Administrative & support | 2016 |
| Chequers Consortium Limited | Professional & scientific | 2005 |
| Cherry & JOM Digital Limited | Information & communication | 2019 |
| Cherry Blossom Swshi Ltd | Hospitality | 2022 |
| Cherry Bomb Studios Ltd | Other services | 2022 |
| Cherry Building Services Ltd | Construction | 2019 |
| Cherry Orchard (Apartments) Management Company Limited | Households | 2007 |
| Cherry Picked Interiors Ltd | Wholesale & retail | 2021 |
| Cherry Property Group Limited | Hospitality | 2026 |
| Cherry Stone Properties Limited | Real estate | 2020 |
| Cherry Tree House Ltd | Wholesale & retail | 2019 |
| Cherrylake Investments Limited | Real estate | 2016 |
| Cherrylake Properties Limited | Real estate | 1981 |
| Cherryoos Ltd | Wholesale & retail | 2026 |
| Chertsey Court LLP | | 2008 |
| Chertsey Food & Wine Ltd | Wholesale & retail | 2015 |
| Cherubs Angels Netball CIC | Arts & recreation | 2021 |
| Chesham Cowley Limited | Wholesale & retail | 2014 |
| Cheshaminvest Limited | Real estate | 2017 |
| Cheshire Community Media Group CIC | Information & communication | 2026 |
| Cheshire Nicholas Ltd | Professional & scientific | 2008 |
| Cheshire Plumbing and Heating Solutions Limited | Construction | 2019 |
| Cheshire Watches Ltd | Wholesale & retail | 2015 |
| Chessmann Consulting Limited | Administrative & support | 1998 |
| Chest Ltd | Health & social care | 2015 |
| Chestaconstruct Ltd | Construction | 2025 |
| Chesterfield & Baggins Investment Bankers Ltd | Financial services | 2013 |
| Cheswa & Becha UK Limited | Health & social care | 2024 |
| Chevassut & White Medical Limited | Health & social care | 2026 |
| Chevening Partners Ltd | Professional & scientific | 2019 |
| Cheverells Business Services Limited | Administrative & support | 2013 |
| Cheverells Property Investments Limited | Financial services | 2015 |
| Cheverells Property Management Limited | Households | 2015 |
| Chex Construction Limited | Construction | 2003 |
| Chezarum Tech Ltd | Wholesale & retail | 2025 |
| Chgck Ltd | Wholesale & retail | 2025 |
| Chhb Holdings Ltd | Financial services | 2024 |
| CHI Fitzone Limited | Arts & recreation | 2018 |
| CHI Installations Limited | Manufacturing | 2019 |
| CHI Lifestyle Group Limited | Other services | 2018 |
| Chiawood Limited | Construction | 2019 |
| Chibest Services Ltd | Health & social care | 2025 |
| Chic Enclave Limited | Information & communication | 2024 |
| Chic Hair Beauty Ltd | Other services | 2024 |
| Chic Wham Ltd | Other services | 2024 |
| Chicago Consulting Group Ltd | Administrative & support | 2018 |
| Chicago Grills & Burgers Ltd | Hospitality | 2016 |
| Chicago Retails Limited | Wholesale & retail | 2025 |
| Chicbloom Ltd | Wholesale & retail | 2025 |
| Chichester Property Company Limited | Real estate | 2024 |
| Chick N Shake Ltd | Hospitality | 2022 |
| Chick Properties Ltd | Real estate | 2017 |
| Chicken Cardiff Limited | Hospitality | 2019 |
| Chicken Haus Limited | Administrative & support | 2016 |
| CHICKEN10 Promotions Limited | Arts & recreation | 2015 |
| Chickenlogic Limited | Hospitality | 2018 |
| CHICKENSHAKE75 Ltd | Hospitality | 2026 |
| Chico Pizza Limited | Hospitality | 2019 |
| Chicolocks Limited | Information & communication | 2024 |
| Chicywear Ltd | Wholesale & retail | 2025 |
| Chidex Nedu Limited | Construction | 2018 |
| Chihelele Limited | Health & social care | 2021 |
| Chika Care Limited | Health & social care | 2018 |
| Chika Global Resources Limited | Health & social care | 2019 |
| Chikka (U.K.) Trading Co., Limited | Professional & scientific | 2011 |
| Chilaw Ventures Ltd | Transport & logistics | 2026 |
| Child at Mind Consultancy Ltd | Health & social care | 2024 |
| Child Care and Protection Coalition Limited | Health & social care | 2025 |
| Children in Wales - Plant YNG Nghymru | Health & social care | 1993 |
| Childrens Cancer Centre of Lebanon (UK) Limited | Other services | 2014 |
| Chile Chymistry Maizhelun Ltd | Extraterritorial | 2020 |
| Chill JET Travel Ltd | Administrative & support | 2023 |
| Chill OUT Refrigeration Limited | Manufacturing | 2011 |
| Chillaton Ltd | Transport & logistics | 2021 |
| Chilli Masala Dordon Ltd | Hospitality | 2019 |
| Chillma International (UK) Ltd | Wholesale & retail | 2019 |
| Chillon Gold Limited | Administrative & support | 2019 |
| Chiltern Building Services Ltd | Construction | 2002 |
| Chim UK Catering Limited | Hospitality | 2018 |
| Chimaera Security Concepts Ltd | Administrative & support | 2022 |
| Chimera Developments Ltd. | Construction | 2018 |
| Chimera Osteopathy Ltd | Other services | 2024 |
| China Dissent Network Ltd | Other services | 2024 |
| China Import / Export Ltd | Wholesale & retail | 2019 |
| China Kitchen Limited | Hospitality | 1998 |
| Chinati Management (UK) Limited | Transport & logistics | 2021 |
| Chindaro Limited | Health & social care | 2013 |
| Chinese Dragon Ltd | Wholesale & retail | 2017 |
| Chinook Energy Europe Ltd | Manufacturing | 2010 |
| Chinshaku Ltd | Other services | 2019 |
| Chipextuning Ltd | Wholesale & retail | 2019 |