| Chang Cheng London Limited | Hospitality | 2025 |
| Chang Sheng Fitness Limited | Arts & recreation | 2015 |
| Change IS Good Ltd | Health & social care | 2013 |
| Changing Hats Consultancy Ltd | Information & communication | 2009 |
| Changjiang Supplies Ltd | Transport & logistics | 2020 |
| Chaniyarae Limited | Health & social care | 2017 |
| Channel I (UK) Limited | Information & communication | 2007 |
| Channel Ridge Partners Ltd | Professional & scientific | 2025 |
| Chantry Mews Residents Management Company Limited | Households | 2021 |
| Chantry Place (Guildford) Management Limited | Households | 2001 |
| Chaos Control Ltd | Professional & scientific | 2006 |
| Chapel 683 Management Company Ltd | Households | 2017 |
| Chapkin Properties Ltd | Real estate | 2021 |
| Chapman East Limited | Real estate | 2020 |
| Chapman Housing Limited | Health & social care | 2021 |
| Chapter 12 Wine Bar Limited | Hospitality | 2012 |
| Charcoal Grill Croydon Ltd | Hospitality | 2021 |
| Charcoal Meze House Ltd | Hospitality | 2019 |
| Charfield Village (Residents Management Company) Limited | Households | 2017 |
| Charlery.Co Ltd | Professional & scientific | 2025 |
| Charles & Co Construction Services Limited | Construction | 2009 |
| Charles & Co Constructions Services (UK) Group Ltd | Construction | 2018 |
| Charles Allan Associates Limited | Real estate | 2013 |
| Charles Amponsah Properties Ltd | Construction | 2025 |
| Charles Beatrice Health Limited | Health & social care | 2025 |
| Charles Court (Margate) Management Limited | Households | 2020 |
| Charles Dickens House Limited | Real estate | 2017 |
| Charles Hellis and Sons Limited | Extraterritorial | 2019 |
| Charliemoore Solutions Ltd | Construction | 2023 |
| Charlies Golden FRY Limited | Hospitality | 2024 |
| Charlotte Connock Limited | Other services | 2019 |
| Charlotte Lodge Freehold Limited | Households | 2018 |
| Charlotte Park (Oxshott) Management Limited | Households | 1991 |
| Charlotte Walk Management Company Limited | Households | 1991 |
| Charlston Enterprises Limited | Construction | 2011 |
| Charlton (Vehicle Finishers) Limited | Extraterritorial | 2005 |
| Charlton Bodies Limited | Manufacturing | 2000 |
| Charlton Mead Court Management Limited | Households | 1977 |
| Charlton Tipper Bodies Limited | Extraterritorial | 2021 |
| Charly-Boy Entertainment Ltd | Information & communication | 2021 |
| Charm Studios Limited | Extraterritorial | 2013 |
| Charmstay Ltd | Households | 2019 |
| Charmstay Properties Ltd | Hospitality | 2022 |
| Charnwood Property Holdings Limited | Real estate | 2021 |
| Chart Inns Limited | Hospitality | 2023 |
| Chart Leisure Limited | Hospitality | 2020 |
| Charter Quay Moorings Limited | Real estate | 2011 |
| Charter-A Limited | Transport & logistics | 2011 |
| Charter-A Transport Services Limited | Transport & logistics | 2018 |
| Chartered Financial Group Limited | Professional & scientific | 2019 |
| Charterhouse Court Freehold Ltd | Households | 2015 |
| Charterhouse Court Godalming Property Management Co Limited | Real estate | 2013 |
| Charteris Asset Management Nominees Limited | Financial services | 2004 |
| Charteris Holdings Limited | Financial services | 2002 |
| Charteris Treasury Nominees Limited | Financial services | 1986 |
| Charteris Treasury Portfolio Managers Limited | Financial services | 1984 |
| Chartmedia Limited | Manufacturing | 2011 |
| Chase Management Company Limited(The) | Households | 1981 |
| Chasemap Limited | Information & communication | 2025 |
| Chasers Cocktail Bar Ltd | Hospitality | 2023 |
| Chatha Brothers Kempston Ltd | Hospitality | 2020 |
| Chatha Brothers Property Limited | Real estate | 2019 |
| Chatsworth Court Management Limited | Households | 1982 |
| Chattha Living Ltd | Transport & logistics | 2025 |
| Chauffeur Lord Ltd | Transport & logistics | 2021 |
| Chayil Global Holdings Ltd | Professional & scientific | 2026 |
| CHC Central Heating Care Limited | Construction | 2022 |
| Cheap Flight Ticket Ltd | Administrative & support | 2024 |
| Check-Tech Roofing Group Ltd | Construction | 2026 |
| CHECK24 Ltd | Construction | 2025 |
| Cheerglade Property Management Limited | Households | 1996 |
| Chef Jason Howard Ltd | Manufacturing | 2020 |
| Chef on the Road Limited | Hospitality | 2019 |
| Chelam Ltd | Health & social care | 2025 |
| Chelco Properties Limited | Real estate | 1984 |
| Chelepis Watson Ltd | Professional & scientific | 2008 |
| Chellet Investments Ltd | Real estate | 2013 |
| Chelmsford Mews Management (Wigan) Limited | Households | 1983 |
| Chelsea Court RTM Company Limited | Households | 2013 |
| Chelsea Events & Entertainment Ltd | Administrative & support | 2018 |
| Chelsea Flats (Management) Limited | Households | 1993 |
| Chelsea Tailors Ltd | Other services | 2024 |
| Chelsea Walker Consulting Ltd | Financial services | 2018 |
| Chelston Group Limited | Wholesale & retail | 2026 |
| Cheltenhamglow Limited | Households | 1991 |
| Chelwood House Limited | Households | 1958 |
| Chemexel Limited | Wholesale & retail | 2007 |
| Chemexell Ltd | Professional & scientific | 2015 |
| Chemga Beauty Limited | Other services | 2023 |
| Chemga Thompson Property Limited | Real estate | 2023 |
| Chen & Chen Limited | Health & social care | 2011 |
| Chennai Marina Restaurant Ltd | Hospitality | 2018 |
| Cheon FAT Limited | Hospitality | 2012 |
| Cherrish Wallington Limited | Wholesale & retail | 2025 |
| Cherry Hill UK Limited | Real estate | 2022 |
| Cherry Picker Hire London, Surrey & Kent Ltd | Construction | 2013 |
| Cherry Pizza Ltd | Hospitality | 2026 |
| Cherrys Inc. Limited | Professional & scientific | 2020 |
| Chertsey Metals Limited | Wholesale & retail | 2023 |
| Chertsey Secure Storage Limited | Administrative & support | 2024 |