| Calderstones Landscaping and Maintenance Services Limited | Administrative & support | 2003 |
| Calderstones Mansion House Community Interest Company | Hospitality | 2015 |
| Calderstones Plumbing & Heating Ltd | Construction | 2025 |
| Calderstones Property Company Limited | Financial services | 1951 |
| Calderstones Property Group Ltd | Real estate | 2018 |
| Calderstones Support Group Ltd | Hospitality | 2018 |
| Caldersview Court (Management) Limited | Households | 1972 |
| Caldo Energy Limited | Construction | 2025 |
| Caldolondon Ltd | Wholesale & retail | 2018 |
| Caldoon International Supplies Ltd | Wholesale & retail | 2025 |
| Caldoon International Trading Company Ltd | Wholesale & retail | 2024 |
| Caldwell Site Services Limited | Construction | 2022 |
| Caldy 123 Ltd | Real estate | 2024 |
| Caldyljoslee Ltd | Professional & scientific | 2025 |
| Calea Group Limited | Professional & scientific | 2016 |
| Caleb Jones Developments Limited | Construction | 2025 |
| Caledonia Motor Group Limited | Transport & logistics | 1973 |
| Caledonia Property Ventures Ltd | Real estate | 2024 |
| Cali Creates Ltd | Wholesale & retail | 2024 |
| Cali Food & Drink Limited | Wholesale & retail | 2023 |
| Cali Way Liverpool Ltd | Hospitality | 2025 |
| Calibrate Limited | Real estate | 2009 |
| Calibration Consulting Limited | Professional & scientific | 2020 |
| Calibre Collective Ltd | Real estate | 2024 |
| Calidad Canines NW Limited | Agriculture & fishing | 2021 |
| Calisariane Consulting Ltd | Information & communication | 2018 |
| Caliscare Limited | Health & social care | 2025 |
| Call of Resurgence Limited | Professional & scientific | 2022 |
| Callaghan Automation Limited | Professional & scientific | 2012 |
| Callaghan Finance Limited | Financial services | 2025 |
| Callcott Engineering Surveying Ltd | Professional & scientific | 2017 |
| Callkilo Limited | Administrative & support | 1985 |
| Callpod Ltd | Administrative & support | 2026 |
| Calltime Company Training Limited | Information & communication | 2015 |
| Calltime Foundations C.I.C. | Information & communication | 2018 |
| Callum Mills Limited | Professional & scientific | 2023 |
| Callum Mills Photography Ltd | Professional & scientific | 2024 |
| Callum Smith Boxing Ltd | Arts & recreation | 2013 |
| Calm and Positive Behaviour Solutions Ltd | Education | 2023 |
| Calm Collective Ltd | Agriculture & fishing | 2022 |
| Calm Creations North West CIC | Health & social care | 2024 |
| Calm Education Ltd | Health & social care | 2022 |
| Calm Group Ltd | Wholesale & retail | 2025 |
| Calm Lifestyle Limited | Other services | 2021 |
| Calm YA Baps Ltd | Hospitality | 2026 |
| Calmere Contracts Ltd | Construction | 2021 |
| Calmere Developments Ltd | Real estate | 2022 |
| Calmsphere Ltd | Health & social care | 2024 |
| Calogero Cheese Ltd | Manufacturing | 2017 |
| Calpe Properties Limited | Extraterritorial | 2006 |
| Calubrate Ltd | Information & communication | 2025 |
| Caluiangabrielnistorel Ltd | Transport & logistics | 2025 |
| Calvary Bible Church International Ltd | Other services | 2025 |
| Calvey Restoration Ltd | Construction | 2012 |
| CAM Automotive Ltd | Other services | 2017 |
| CAM Bute Trading Limited | Professional & scientific | 2017 |
| CAM IT Solutions Limited | Information & communication | 2008 |
| CAM Lakes Ltd | Agriculture & fishing | 2015 |
| CAM Portfolio Limited | Administrative & support | 2025 |
| CAM Wealth Group Holdings Limited | Financial services | 2021 |
| CAM Wealth Group Limited | Financial services | 2004 |
| Cam-Cad Services Limited | Professional & scientific | 2009 |
| CAM2509 Ltd | Administrative & support | 2026 |
| Camac Investments Limited | Real estate | 2019 |
| Camac Ltd | Wholesale & retail | 2008 |
| Camael Holdings Ltd | Real estate | 2015 |
| Camara Barber Shop Ltd | Other services | 2026 |
| Camareu Ltd | Information & communication | 2019 |
| Camberley Convenience Store Ltd | Wholesale & retail | 2026 |
| Cambrian House Consulting Ltd | Professional & scientific | 2024 |
| Cambridge Financial Consulting Ltd | Professional & scientific | 2020 |
| Cambridge Gardens Trading Limited | Professional & scientific | 2021 |
| Cambridge Keystone Estates Limited | Professional & scientific | 2002 |
| Cambusmore Holdings Ltd | Hospitality | 2025 |
| Camco 27 Limited | Arts & recreation | 2015 |
| Camco 29 Limited | Construction | 2018 |
| Camco 30 Limited | Professional & scientific | 2017 |
| Camco 8 Construction Limited | Construction | 2017 |
| CAMCO5 Limited | Construction | 2009 |
| CAMCO8 Limited | Construction | 2012 |
| CAMCO9 Limited | Extraterritorial | 2012 |
| Camden Assets Limited | Information & communication | 2008 |
| Camdent Care Limited | Health & social care | 2016 |
| Camel Property Limited | Real estate | 2023 |
| Camelia Cafe Ltd | Hospitality | 2025 |
| Camellia Foods Ltd | Hospitality | 2021 |
| Cameracarhire Limited | Transport & logistics | 2017 |
| Cameron & Niamh Ltd | Manufacturing | 2015 |
| Cameron Auto Ltd | Wholesale & retail | 2020 |
| Cameron Black Ltd. | Administrative & support | 1999 |
| Cameron Developments Group Limited | Real estate | 2025 |
| Cameron Mackenzie Limited | Real estate | 2001 |
| Cameron Property & Investments Ltd | Real estate | 2024 |
| Cameron Technical Services CTS Limited | Construction | 2025 |
| Cami Beauty Limited | Other services | 2019 |
| Camilla Cole Events Ltd | Other services | 2023 |
| Camp & Furnace Limited | Hospitality | 2011 |
| Camp Canada Limited | Education | 2021 |
| Camp Leaders in America Limited | Extraterritorial | 2007 |
| Campbell & Sons Property Limited | Real estate | 2019 |