| Candy 2016 Ltd | Real estate | 2016 |
| Candy BAE Limited | Wholesale & retail | 2024 |
| Candy Cloud Atherton Ltd | Wholesale & retail | 2026 |
| Candy Cloud Store Limited | Wholesale & retail | 2024 |
| Candy Cloud Vending Ltd | Wholesale & retail | 2024 |
| Candy Cosmetics Ltd | Wholesale & retail | 2024 |
| Candy Head UK Ltd | Wholesale & retail | 2025 |
| Candy Land (Didsbury) Limited | Wholesale & retail | 2025 |
| Candy Land Limited | Wholesale & retail | 2025 |
| Candy Land Whitefield Ltd | Other services | 2019 |
| Cane & Able Ltd | Wholesale & retail | 2022 |
| Cane & Grain Ltd | Wholesale & retail | 2013 |
| Canecorsofamilyuk Ltd | Agriculture & fishing | 2026 |
| Caneda Limited | Extraterritorial | 2015 |
| Canel Ltd | Information & communication | 2026 |
| Canfixitall Ltd | Construction | 2019 |
| Canggu Contracting Services Limited | Administrative & support | 2019 |
| Canghai International Ltd | Administrative & support | 2022 |
| Cango Property Ltd | Real estate | 2024 |
| Canii Ltd | Wholesale & retail | 2020 |
| Canna Pharmauk Ltd | Wholesale & retail | 2018 |
| Canndoo Ltd | Construction | 2015 |
| Canneb Services Limited | Professional & scientific | 2019 |
| Cannes Bidco Ltd | Financial services | 2018 |
| Cannes Midco II Ltd | Financial services | 2018 |
| Cannes Midco Ltd | Financial services | 2018 |
| Cannes Topco Ltd | Financial services | 2018 |
| Canning O'Neill Holdings Limited | Financial services | 2022 |
| Canning O'Neill Limited | Real estate | 2003 |
| Cannock Assets (NO 2) Limited | Real estate | 2012 |
| Cannock Assets Limited | Real estate | 2012 |
| Cannock Chase Car Wash Ltd | Other services | 2019 |
| Cannock HCW Ltd | Professional & scientific | 2020 |
| Cannock Holdings Ltd | Real estate | 2023 |
| Cannon Electrical Contractors Ltd. | Construction | 2005 |
| Cannon Street Consultancy Ltd | Professional & scientific | 1968 |
| Cannon Street Investments Limited | Real estate | 2016 |
| Cannon Street Management Limited | Real estate | 1999 |
| Cannon Street Properties Limited | Real estate | 1986 |
| Cannonit Limited | Information & communication | 2019 |
| Cannorth Property Investments Limited | Extraterritorial | 1911 |
| Canonbury House (Didsbury) Management Company Limited | Households | 2002 |
| Canopaye Limited | Administrative & support | 2018 |
| Canoville Fitness Limited | Other services | 2016 |
| Canpetit Ltd | Hospitality | 2024 |
| Cant PAY WE Wont LET the Bailiff Take IT Away Ltd | Professional & scientific | 2019 |
| Cantabile Flavor Limited | Wholesale & retail | 2024 |
| Canteen Catering Limited | Hospitality | 2025 |
| Canterbury 1977 Limited | Extraterritorial | 2015 |
| Canterbury Agri Ltd | Financial services | 2025 |
| Canterbury Company Management Ltd | Wholesale & retail | 2025 |
| Canterbury Housing Business Limited | Real estate | 2024 |
| Canterlex Ltd | Real estate | 2026 |
| Cantium Holdings Ltd | Financial services | 2014 |
| Cantium Trading Ltd | Wholesale & retail | 2014 |
| Canton Chef Zhou Limited | Hospitality | 2014 |
| Canton Taste 888 Limited | Hospitality | 2025 |
| Cantonese Reading Playground CIC | Arts & recreation | 2024 |
| Cantonese Video Ltd | Information & communication | 2021 |
| Cantus Auction Ltd | Wholesale & retail | 2022 |
| Canuara Ltd | Wholesale & retail | 2026 |
| Canure Holdings (UK) Limited | Financial services | 2025 |
| Canute Commercial Limited | Professional & scientific | 1998 |
| Canvas & Coat Ltd | Construction | 2025 |
| Canvas 906 Ltd | Hospitality | 2024 |
| Canvas Holidays Limited | Administrative & support | 1970 |
| Canvas Visions Ltd | Wholesale & retail | 2025 |
| Canvaswhisper Ltd | Manufacturing | 2023 |
| Canveybsd Ltd | Real estate | 2022 |
| CAP Seven Packaging Supplies Manufacturing Company Ltd | Wholesale & retail | 2025 |
| Capabilities Manchester Ltd | Health & social care | 2025 |
| Capable Group Limited | Construction | 2023 |
| Capar Ltd | Wholesale & retail | 2025 |
| Capax Solutions Limited | Administrative & support | 2023 |
| Capcon Media Ltd | Professional & scientific | 2026 |
| Cape 3 Limited | Real estate | 2021 |
| Cape Coast Bar & Restaurant Ltd | Hospitality | 2019 |
| Cape Hula Ltd | Other services | 2020 |
| Cape Property Holdings Limited | Real estate | 2022 |
| Capeclarke Limited | Administrative & support | 2011 |
| Capecoast Events Limited | Hospitality | 2025 |
| Capella Change Consulting Limited | Professional & scientific | 2014 |
| Capelli Hair Salon Ltd | Other services | 2024 |
| Capercailliecommunications for Business Ltd | Administrative & support | 2012 |
| Capes Telecoms Solutions Ltd | Professional & scientific | 2019 |
| Capex Asset Management Ltd | Financial services | 2024 |
| Capex Property Management Ltd | Construction | 2024 |
| Capgame UK Limited | Wholesale & retail | 2025 |
| Capifi 21 Limited | Real estate | 2021 |
| Capifi Group 1 Limited | Real estate | 2021 |
| Capifi Hold 21 Limited | Real estate | 2022 |
| Capilytics Limited | Health & social care | 2022 |
| Capita Marine Limited | Administrative & support | 2021 |
| Capital & Centric (505) Ltd | Construction | 2022 |
| Capital & Centric (Adagio Rentals) Ltd | Real estate | 2024 |
| Capital & Centric (Adagio) Ltd | Construction | 2021 |
| Capital & Centric (Adored Management) Ltd | Construction | 2024 |
| Capital & Centric (Adored Rentals 2) Ltd | Real estate | 2024 |
| Capital & Centric (Adored Rentals 3) Ltd | Real estate | 2024 |
| Capital & Centric (Adored Rentals) Ltd | Real estate | 2024 |