| Canapé Records Ltd | Wholesale & retail | 2020 |
| Canary Ministries Limited | Wholesale & retail | 2025 |
| Canary Space Consulting Ltd. | Information & communication | 2015 |
| Canarypark Property Management Company Limited | Hospitality | 1995 |
| Canavan Consultancy Ltd | Other services | 2022 |
| Cancer Intelligence Limited | Information & communication | 2002 |
| Cancer Vision Ltd | Information & communication | 2024 |
| Cande Cosies Ltd | Wholesale & retail | 2021 |
| Candi Creations Ltd | Arts & recreation | 2012 |
| Candice Bailey/ Styling and Consultancy Ltd | Professional & scientific | 2019 |
| Candide Ltd | Administrative & support | 2014 |
| Candle Flame Care Ltd | Public administration | 2018 |
| Candleford Investments Ltd | Financial services | 2022 |
| Candlish Mccleery Limited | Wholesale & retail | 1975 |
| Candour Accounting Limited | Professional & scientific | 2024 |
| Candour Security and Investigation Services Ltd | Administrative & support | 2023 |
| Candy Court Management Company Limited | Households | 1990 |
| Candy Krunchers Ltd | Wholesale & retail | 2020 |
| Candy Royale Ltd | Wholesale & retail | 2025 |
| Candypop Event Hire Ltd | Hospitality | 2014 |
| Canford Farm Consulting Ltd | Professional & scientific | 2019 |
| Canford Lane Management Company Limited | Professional & scientific | 2014 |
| Cangar LP | | 2012 |
| Canine Country Club Ltd | Other services | 2025 |
| Canjara Limited | Financial services | 2025 |
| Cankurt Ltd | Hospitality | 2025 |
| Cannard Computing Limited | Information & communication | 1979 |
| Cannard Limited | Real estate | 2000 |
| Cannington Commercial Property Ltd | Real estate | 2024 |
| Cannock Land Limited | Construction | 2021 |
| Cannon Locksmiths Limited | Administrative & support | 2006 |
| Cannon Security Limited | Administrative & support | 1993 |
| Cannop Villas Recycling Ltd | Other services | 2022 |
| Canny Nicholson Productions Ltd | Information & communication | 2016 |
| Canny Picks Ltd | Wholesale & retail | 2026 |
| Canoe Valley Foods Limited | Hospitality | 2021 |
| Canopy Capital Limited | Professional & scientific | 2025 |
| Canopy Care Home Services Ltd | Extraterritorial | 2025 |
| Canopy Projects Limited | Construction | 2006 |
| Canopy Residential Limited | Households | 2014 |
| Canox Ltd | Manufacturing | 2018 |
| Canteen West Ltd | Hospitality | 2008 |
| Cantemerle Ltd | Real estate | 2024 |
| Canterbury Investments Ltd | Real estate | 2021 |
| Canterbury Twenty Limited | Households | 1974 |
| Canton Diner Limited | Hospitality | 2022 |
| Canute Contracting Services Limited | Administrative & support | 2017 |
| Canvas Pixels Ltd | Professional & scientific | 2014 |
| Canvas Spaces Limited | Construction | 2013 |
| Canvass Consulting Ltd | Other services | 2019 |
| Canynge Bicknell (Investments) Limited | Real estate | 1988 |
| Canynge Bicknell (Lenfestey) Limited | Real estate | 1993 |
| Canynge Bicknell (Retail) Limited | Construction | 1986 |
| Canynge Bicknell (Street) Limited | Construction | 2005 |
| Canynge Bicknell Limited | Construction | 1981 |
| Canynge Consultants Limited | Health & social care | 2017 |
| Canynge Estates Limited | Real estate | 1981 |
| Canynge Properties Limited | Real estate | 1990 |
| Canynge Securities Limited | Real estate | 1981 |
| Canynge Square House Limited | Professional & scientific | 1980 |
| Canyon Delta Media Limited | Information & communication | 2025 |
| Canyon Management Limited | Real estate | 1996 |
| Caolfin Consulting Limited | Information & communication | 2010 |
| CAP Future Ltd | Education | 2022 |
| CAP Resourcing Ltd | Administrative & support | 2024 |
| Capability Consulting Ltd | Professional & scientific | 2018 |
| Capable Koala Ltd | Information & communication | 2023 |
| Cape Comorin International Limited | Wholesale & retail | 2025 |
| Cape Photographic Limited | Professional & scientific | 2009 |
| Capel Court Holdings Limited | Professional & scientific | 1985 |
| Capel Court Limited | Financial services | 1992 |
| Capella Records Limited | Manufacturing | 2017 |
| Capella Software Limited | Information & communication | 1988 |
| Capella Songs Limited | Arts & recreation | 2017 |
| Caper and Cure Ltd | Hospitality | 2019 |
| Caperin Limited | Arts & recreation | 2005 |
| Capio Recruitment Limited | Administrative & support | 2019 |
| Capital & Risk Limited | Professional & scientific | 2012 |
| Capital and Property Limited | Financial services | 2019 |
| Capital Audits Limited | Administrative & support | 2012 |
| Capital Edge Residents Association Limited | Real estate | 2002 |
| Capital Equipment Finance Ltd | Financial services | 2014 |
| Capital Force One Limited | Professional & scientific | 2023 |
| Capital Holdings and Investments Limited | Real estate | 2020 |
| Capital Investment Services Limited | Professional & scientific | 1981 |
| Capital Key Property Group Limited | Construction | 2026 |
| Capital Management Germany Limited | Administrative & support | 2005 |
| Capital Meal Limited | Hospitality | 2019 |
| Capital Motors Bristol Ltd | Wholesale & retail | 2025 |
| Capital Quality Consulting Ltd | Professional & scientific | 2020 |
| Capital Raise Ltd | Administrative & support | 2023 |
| Capital Resourcing Group Ltd | Administrative & support | 2022 |
| Capital Roofing and Landscapes Ltd | Construction | 2025 |
| Capital Rope Access Limited | Construction | 2013 |
| Capital Rose Ltd | Professional & scientific | 2025 |
| Capital West Limited | Real estate | 2013 |
| Capitalreport Limited | Real estate | 1997 |
| Capitano Bristol Ltd | Hospitality | 2026 |
| Capitec Limited | Professional & scientific | 2005 |
| Capitec Public Services Limited | Professional & scientific | 2021 |