| Cedar Point Holdings Limited | Other services | 2025 |
| Cedarinlee Limited | Health & social care | 2024 |
| Cedarleehealthandbeauty Ltd | Health & social care | 2024 |
| Cedaryew Ltd | Energy | 2022 |
| Cedsa Limited | Wholesale & retail | 2005 |
| Ceejays Trading Limited | Wholesale & retail | 2013 |
| Ceiling Stands Ltd | Construction | 2024 |
| CEJ 3000 Car Sales Limited | Real estate | 2002 |
| CEJ Property Solutions Limited | Real estate | 2021 |
| CEL Studio Limited | Arts & recreation | 2013 |
| Celeste Bell Ltd | Arts & recreation | 2019 |
| Celestial PMU Ltd | Other services | 2023 |
| Celestial Spirits Limited | Wholesale & retail | 2023 |
| Celhema Properties Limited | Real estate | 2022 |
| Cellular Technology (UK) Limited | Wholesale & retail | 2000 |
| Cellvia Ltd | Wholesale & retail | 2025 |
| Cels Lights & Decor Limited | Financial services | 2019 |
| Celula Limited | Information & communication | 2013 |
| CEM 62 Limited | Hospitality | 2026 |
| CEM Adjustamatic Limited | Wholesale & retail | 2016 |
| CEM-001 Ltd | Real estate | 2026 |
| Cenrellia Studios Limited | Information & communication | 2026 |
| Center for Digital Technologies Megabit Ltd | Information & communication | 2023 |
| Center Group Limited | Transport & logistics | 2024 |
| Central Advertising & Marketing Ltd | Professional & scientific | 2009 |
| Central European Commodity Trading Limited | Extraterritorial | 2012 |
| Central Locums Limited | Extraterritorial | 2013 |
| Central Paving & Groundwork Ltd | Construction | 2013 |
| Central Recycling Yorkshire Ltd | Mining & quarrying | 2018 |
| Central Service Centre Ltd | Wholesale & retail | 2024 |
| Central Solutions (GB) Ltd | Wholesale & retail | 2006 |
| Centric Hospitality Limited | Hospitality | 2023 |
| Centrik Ltd | Information & communication | 2016 |
| Centurion Europe Holdings Limited | Professional & scientific | 2006 |
| Centurion Europe Limited | Manufacturing | 1984 |
| Century Frames Limited | Manufacturing | 2007 |
| Century GAS Ltd | Construction | 2021 |
| Ceos Holdings Ltd | Other services | 2020 |
| Ceperalco Ltd | Wholesale & retail | 2020 |
| Cerberus Fabrication Ltd | Manufacturing | 2025 |
| Cerberus Fire Group Ltd | Financial services | 2025 |
| Cerberus Passive Fire Protection Ltd | Construction | 2022 |
| Ceres CS Ltd | Professional & scientific | 2011 |
| Certax Accounting (Doncaster) Limited | Professional & scientific | 2009 |
| Certex (UK) Limited | Extraterritorial | 1968 |
| Certex Lifting Limited | Manufacturing | 2004 |
| Certus Rigging Limited | Information & communication | 2015 |
| Cerus Property Trading Limited | Construction | 2023 |
| Cevik Kitchen House Limited | Hospitality | 2022 |
| Ceylon Claypot Spice Ltd | Hospitality | 2025 |
| Ceylon Crown UK Limited | Hospitality | 2026 |
| Ceylon Design Solutions Ltd | Professional & scientific | 2025 |
| Ceylon Fork Ltd | Hospitality | 2026 |
| Ceylon Kochchi Limited | Wholesale & retail | 2025 |
| Cezar Trans 2019 Ltd | Transport & logistics | 2019 |
| Cezar Trans Ltd | Transport & logistics | 2022 |
| CF Civils & Groundworks Limited | Construction | 2020 |
| CF Estates (Yorkshire) Limited | Financial services | 2020 |
| CFK Media Ltd | Information & communication | 2025 |
| CFP Investments Ltd | Real estate | 2022 |
| CFS Formations LLP | | 2010 |
| CFS International Formations Limited | Administrative & support | 2001 |
| CFS Mortgage Brokers Ltd | Financial services | 2002 |
| CFS Secretaries (London) Ltd | Professional & scientific | 2005 |
| CFS Secretaries Limited | Other services | 2002 |
| CFS Test 12321311 TR Ltd | Extraterritorial | 2022 |
| CGB Trans Ltd | Transport & logistics | 2022 |
| CGP Commercials Limited | Wholesale & retail | 2003 |
| CGR Automotive Limited | Wholesale & retail | 2014 |
| CGS (Yorkshire) Ltd | Construction | 2013 |
| CH Aesthetics & Beauty Ltd | Other services | 2022 |
| CH Production Services Ltd | Professional & scientific | 2015 |
| Chad 64 Limited | Hospitality | 2024 |
| Chadvay Engineering Limited | Information & communication | 2004 |
| Chair Smith Limited | Wholesale & retail | 2021 |
| Chalet Girl Catering Limited | Hospitality | 2025 |
| Chalet SKI Holidays Limited | Administrative & support | 2001 |
| Chalet Swiss Chauffeur Services Limited | Transport & logistics | 2020 |
| Chalet Swiss Holidays Limited | Real estate | 2021 |
| Chalet Swiss Limited | Hospitality | 2021 |
| Challenge Supply Co. Limited | Manufacturing | 2012 |
| Chalta TV Limited | Information & communication | 2020 |
| Chameleon Carz Customs Ltd | Professional & scientific | 2016 |
| Chamera Transport Limited | Transport & logistics | 2015 |
| Champ Rigging Ltd | Information & communication | 2024 |
| Champion Driveways Ltd | Construction | 2019 |
| Chan Legal Advisory Limited | Professional & scientific | 2026 |
| Chancepartners Limited | Real estate | 2023 |
| Chandars Limited | | 1970 |
| Changers Ltd | Real estate | 2026 |
| Channelfleet Limited | Professional & scientific | 2011 |
| Chappell's Flower Wholesale Limited | Wholesale & retail | 2015 |
| Chapter & Verse Holdings Ltd | Manufacturing | 2023 |
| Chapter Two London Ltd | Manufacturing | 2025 |
| Charleo Limited | Wholesale & retail | 2022 |
| Charles Adam Limited | Professional & scientific | 2009 |
| Charles James Property Investments Ltd | Real estate | 2017 |
| Charles Peter Howard Ltd. | Professional & scientific | 2006 |
| Charles Property Partners Limited | Real estate | 2018 |
| Charles Wyndham Limited | Agriculture & fishing | 2010 |