| CAD Design Drawing Services Ltd | Professional & scientific | 2019 |
| CAD2YOU Ltd | Professional & scientific | 2018 |
| Cadance Mind Health Ltd | Health & social care | 2025 |
| Caddy Property Services Limited | Professional & scientific | 2007 |
| Cadman CAD Bureau Limited | Professional & scientific | 2003 |
| Cadmans Leisure Centres Limited | Arts & recreation | 1981 |
| Cadons Ltd | Construction | 2005 |
| Cafe Biddulph Ltd | Hospitality | 2023 |
| Cafe NUR Limited | Hospitality | 2025 |
| Cafeamirah Ltd | Hospitality | 2025 |
| Cafes in the Park Ltd. | Hospitality | 2016 |
| Caffe Latte Kidsgrove Limited | Hospitality | 2024 |
| Caffeine Delight Ltd | Hospitality | 2023 |
| Cafi Hygge Limited | Hospitality | 2025 |
| Cage Assets Ltd | Construction | 2025 |
| Cahava Ltd | Real estate | 2020 |
| Cain Holdings Limited | Financial services | 2015 |
| Cain Investments Limited | Financial services | 2020 |
| Cairo Bar Ltd | Hospitality | 2026 |
| Cairo Lounge Limited | Hospitality | 2026 |
| Caldan Electrical Ltd | Construction | 2014 |
| Calder Financial Ltd | Administrative & support | 2010 |
| Calder Succession Ltd | Administrative & support | 2016 |
| Caldwell Plant Hire Limited | Administrative & support | 2009 |
| Caldy Motors Limited | Wholesale & retail | 2015 |
| Cale Services Ltd | Construction | 2018 |
| Caleb Annointing Limited | Transport & logistics | 2025 |
| Calibre Building & Decorating Services Limited | Construction | 1997 |
| Calinzenaida Ltd | Wholesale & retail | 2025 |
| Callater Lodge LLP | | 2019 |
| Callear Engineering Solutions Ltd | Manufacturing | 2020 |
| Callsforyou Limited | Information & communication | 2025 |
| Callum Bell Holdings Limited | Professional & scientific | 2024 |
| Calma Care Limited | Wholesale & retail | 2024 |
| Calore Verde Limited | Professional & scientific | 2020 |
| Calton Care Glasgow Ltd | Health & social care | 2025 |
| Calton Engineering Limited | Professional & scientific | 1983 |
| Calverhay Management Limited | Households | 2011 |
| Calvery Construction Limited | Construction | 2007 |
| Calvery Construction Staffordshire Ltd | Construction | 2018 |
| Cambridge Medtech Solutions Limited | Administrative & support | 2013 |
| Cameos Motors Ltd | Wholesale & retail | 2024 |
| Camera Saurus Limited | Professional & scientific | 2009 |
| Camgas (Stoke) Limited | Wholesale & retail | 2020 |
| Campbell & Adams Investments Limited | Financial services | 2025 |
| Campbell Dental Practice Ltd | Health & social care | 2010 |
| Campbell Road Lorry Park Ltd | Transport & logistics | 2023 |
| Camthorne Group Limited | Administrative & support | 2015 |
| Camthorne Industrial Supplies Limited | Wholesale & retail | 1997 |
| Camthorne Property Limited | Real estate | 2018 |
| Camv Properties Ltd | Real estate | 2018 |
| Canalholdings Ltd | Hospitality | 2024 |
| Candid Brewing Co. Limited | Manufacturing | 2017 |
| Candles by K Ltd | Manufacturing | 2025 |
| Candour Housing CIC | Real estate | 2021 |
| Canecao JAS Ltd | Hospitality | 2013 |
| Canine Design Limited | Other services | 2016 |
| Canlier Coaching Ltd | Other services | 2021 |
| Canopy Simulations Ltd. | Professional & scientific | 2015 |
| Canopy Technologies Ltd. | Financial services | 2017 |
| Canprint (Stoke) Ltd | Wholesale & retail | 2011 |
| Cape One Services Limited | Administrative & support | 2005 |
| Capewell Contracts Limited | Construction | 2014 |
| Capital Allowance Review Service Limited | Professional & scientific | 2013 |
| Capital Crown Ltd | Real estate | 2026 |
| Capital GAS Centre Limited | Other services | 2012 |
| Capital GEE Autos Ltd | Wholesale & retail | 2025 |
| Capital Visions Ltd | Professional & scientific | 2022 |
| Capitalteam Limited | Transport & logistics | 1989 |
| Capitol Hill Ltd | Health & social care | 2023 |
| Caplin & Co Ltd | Other services | 2021 |
| Capmain Limited | Real estate | 1973 |
| Capper Digital Media Limited | Information & communication | 2011 |
| Capri Electrical Ltd | Construction | 2025 |
| Captain FRY Ltd | Hospitality | 2021 |
| Captain Kooks Limited | Hospitality | 1999 |
| Captr Ltd | Professional & scientific | 2026 |
| Capture Holdings Ltd | Wholesale & retail | 2021 |
| Car BEE Private Hire Ltd | Transport & logistics | 2022 |
| Car HUT Traders Ltd | Wholesale & retail | 2019 |
| Car Valeting Supplies T/A CVS2020.COM Ltd | Wholesale & retail | 2019 |
| Car Van & Minibus World Limited | Manufacturing | 2012 |
| Car Wearhouse Limited | Wholesale & retail | 2025 |
| Car Worlld Limited | Wholesale & retail | 2026 |
| Car Wrapping Specialist Ltd | Other services | 2022 |
| Car-Finance.Net Limited | Financial services | 2001 |
| Car-Rep UK Limited | Wholesale & retail | 2024 |
| Car-Tech (Staffordshire) Limited | Wholesale & retail | 2002 |
| Carabini Business Solutions Limited | Professional & scientific | 2025 |
| Caravans by Active Leisure Limited | Wholesale & retail | 2009 |
| Card Capital Ltd | Wholesale & retail | 2026 |
| Card Planet UK Limited | Wholesale & retail | 2016 |
| Cardy Clothings Ltd | Wholesale & retail | 2025 |
| Care Aide Ltd | Health & social care | 2025 |
| Care Demand Ltd | Professional & scientific | 2024 |
| Care Perfect Ltd | Health & social care | 2020 |
| Care Plus Recruit Ltd | Administrative & support | 2019 |
| Care Services North West Ltd | Information & communication | 2022 |
| Care Systems (UK) Limited | Information & communication | 2005 |
| Care View Digital Solutions Ltd | Information & communication | 2026 |