| Camm (Irlam) Limited | Real estate | 2019 |
| Camm (NW) Limited | Real estate | 2012 |
| Camm Rentals Ltd | Real estate | 2009 |
| Camm Stockport Limited | Real estate | 2016 |
| Cammatt Limited | Administrative & support | 2011 |
| Camo Construction Ltd | Construction | 2026 |
| Camp Hire and Sales Co. Limited | Extraterritorial | 1971 |
| Campaign and Digital Intelligence Ltd | Information & communication | 2009 |
| Campaign Expert Consultants Limited | Other services | 2020 |
| Campbell & Armstrong PLC | Water & waste | 1963 |
| Campbell & Fletcher Limited | Administrative & support | 2008 |
| Campbell Consult Limited | Professional & scientific | 2021 |
| Campbell Fish Bar Ltd | Hospitality | 2025 |
| Campbell Frank Limited | Real estate | 2025 |
| Campbell Fuel Parts Limited | Wholesale & retail | 2025 |
| Campbell Park Limited | Real estate | 2018 |
| Campbell Property Rentals Ltd | Real estate | 2026 |
| Campbellwood Properties Ltd | Extraterritorial | 2020 |
| Camper Cushions Ltd | Manufacturing | 2016 |
| Camperlands Builders Limited | Construction | 2004 |
| Camperlands Limited | Wholesale & retail | 1976 |
| Campfield Operating Company Limited | Real estate | 2025 |
| Campfire Studios Ltd | Education | 2025 |
| Camping Outlet Ltd | Wholesale & retail | 2023 |
| Campo Grande Ltd | Professional & scientific | 2022 |
| Campro Video Solutions Ltd | Information & communication | 2025 |
| Campsie Glen Ltd | Administrative & support | 2021 |
| Campus House Limited | Real estate | 2013 |
| Campus Kitchen Limited | Hospitality | 2023 |
| Campus Living Villages (Bedfordshire) UK Limited | Real estate | 2010 |
| Campus Living Villages (Bournemouth) II (UK) Limited | Real estate | 2013 |
| Campus Living Villages (Bournemouth) UK Limited | Real estate | 2013 |
| Campus Living Villages (Cranborne) UK Limited | Real estate | 2017 |
| Campus Living Villages (Dashwood London) UK Limited | Real estate | 2016 |
| Campus Living Villages (Durham) Holdco UK Limited | Real estate | 2017 |
| Campus Living Villages (Durham) Member UK Limited | Real estate | 2018 |
| Campus Living Villages (Durham) Operations UK Limited | Real estate | 2018 |
| Campus Living Villages (Goldsmiths) Investments UK Limited | Real estate | 2015 |
| Campus Living Villages (Goldsmiths) Issuer PLC | Real estate | 2015 |
| Campus Living Villages (Goldsmiths) UK Limited | Real estate | 2015 |
| Campus Living Villages (Holte) UK Limited | Real estate | 2015 |
| Campus Living Villages (PCV) UK Limited | Real estate | 2014 |
| Campus Living Villages (Peel Park) UK Holdings Limited | Real estate | 2018 |
| Campus Living Villages (Portfolio Finance) UK Limited | Financial services | 2014 |
| Campus Living Villages (RCM 1) UK LLP | | 2014 |
| Campus Living Villages (RCM 2) UK LLP | | 2014 |
| Campus Living Villages (RCM 3) UK LLP | | 2014 |
| Campus Living Villages (Salford) UK Limited | Real estate | 2008 |
| Campus Living Villages (ST Andrews) UK Limited | Real estate | 2014 |
| Campus Living Villages UK Limited | Real estate | 2008 |
| Campus Livings Ltd | Real estate | 2024 |
| Camram Limited | Administrative & support | 2020 |
| Camro Aviation Limited | Manufacturing | 2025 |
| Camry Measuring Technology (HK) Limited | Wholesale & retail | 2026 |
| Cams Investments Ltd | Real estate | 2023 |
| Cams Used Cars Ltd | Wholesale & retail | 2025 |
| Camverge Ltd | Information & communication | 2025 |
| Camway Installations Limited | Other services | 2015 |
| CAN Media Limited | Professional & scientific | 2004 |
| CAN O’ Cake Ltd | Hospitality | 2025 |
| CAN Property Holding Limited | Real estate | 2021 |
| CAN Store Sunderland Ltd | Wholesale & retail | 2019 |
| CAN WIN and SI Ltd | Real estate | 2021 |
| Can-Arslan Ltd | Wholesale & retail | 2025 |
| Can-Do Digital Marketing Ltd | Professional & scientific | 2023 |
| Canada Beishite International Agriculture Chemcial Ltd | Extraterritorial | 2021 |
| Canada Grill Chorlton Ltd | Hospitality | 2018 |
| Canada Grill Hale Ltd | Hospitality | 2018 |
| Canadian Charcoal Burnage Limited | Hospitality | 2025 |
| Canadian Charcoal Grill (Manchester) Ltd | Hospitality | 2019 |
| Canadian Food Hub Limited | Hospitality | 2026 |
| Canadian Medical Diagnostics Limited | Wholesale & retail | 2025 |
| Canadian Resort Assets L.P. | | 2006 |
| Canal Cellars Ltd | Wholesale & retail | 2007 |
| Canal Gulf Financing Ltd. | Real estate | 2019 |
| Canal Side Regency Apartments Ltd | Construction | 2021 |
| Canal Tyldsley Limited | Hospitality | 2025 |
| Canal View Properties Ltd | Real estate | 2025 |
| Canal Wharf (Blackburn) LLP | | 2007 |
| Canal Wharf House RTM Company Limited | Households | 2025 |
| Canalside Block a RTM Company Ltd | Households | 2025 |
| Canalside Block B RTM Company Ltd | Households | 2025 |
| Canalside Block C RTM Company Ltd | Households | 2025 |
| Canann Ltd | Real estate | 2025 |
| Canary Bar Limited | Hospitality | 2025 |
| Canc Ltd | Information & communication | 2026 |
| Cancer AID and Listening Line Limited | Other services | 2011 |
| Candace Shaw Consulting Limited | Professional & scientific | 2018 |
| Cande Shop Ltd | Wholesale & retail | 2023 |
| Candella Films Limited | Information & communication | 2005 |
| Candescent Publishing Ltd | Information & communication | 2022 |
| Candiland Ltd | Manufacturing | 2020 |
| Candio Limited | Information & communication | 2020 |
| Candle & Cake Ltd | Extraterritorial | 2025 |
| Candle & Coaster Ltd | Extraterritorial | 2025 |
| Candle Aroma Ltd | Wholesale & retail | 2024 |
| Candle for General Supplies Ltd | Wholesale & retail | 2025 |
| Candle Makery Ltd | Wholesale & retail | 2019 |
| Candler Ltd | Professional & scientific | 2013 |
| Candour Solutions Limited | Administrative & support | 2014 |