| Century Court (Management) Company Limited | Households | 2000 |
| Century Real Estate International Limited | Real estate | 2015 |
| Cenyth Design Limited | Professional & scientific | 2021 |
| Cepack Ltd | Professional & scientific | 2016 |
| Ceramicoat Limited | Manufacturing | 2010 |
| Cercii Ltd | Hospitality | 2025 |
| Cereal Killers Audio Ltd | Information & communication | 2024 |
| Cerebral Palsy Plus | Health & social care | 1998 |
| Ceres International Aljezur Limited | Professional & scientific | 2010 |
| Cerignola Limited | Administrative & support | 2010 |
| Certain Security Limited | Construction | 1965 |
| Certainty Consultants Ltd | Professional & scientific | 2019 |
| Certax Accounting Bristol Limited | Professional & scientific | 2024 |
| Certax Accounting Bristol Services Limited | Professional & scientific | 2024 |
| Certified Accessible Ltd | Professional & scientific | 2024 |
| Certified Cuts Limited | Other services | 2016 |
| Certified Professional Development (CPD) Ltd | Administrative & support | 2025 |
| Certified Servicing Ltd | Wholesale & retail | 2023 |
| Certiplex Seller Ltd | Wholesale & retail | 2022 |
| Cervidae Game Ltd | Agriculture & fishing | 2022 |
| Cervus Defence and Security Limited | Public administration | 2013 |
| Cervus Electrical Ltd | Construction | 2021 |
| Cerys Keneally Ltd | Other services | 2011 |
| Cesium Ltd. | Professional & scientific | 1999 |
| Cesson Accounting Services Ltd | Professional & scientific | 2010 |
| CEV Services Ltd | Transport & logistics | 2019 |
| Cevo Limited | Information & communication | 2013 |
| Ceylan Pizza Ltd | Hospitality | 2025 |
| Ceylon & Beyond Catering Ltd | Hospitality | 2022 |
| Ceylon & Beyond Property Ltd | Real estate | 2024 |
| Ceylon Leaf Elite Ltd | Wholesale & retail | 2026 |
| Ceylon Visual and Art Circle C.I.C. | Arts & recreation | 2026 |
| Cezarionut Ltd | Manufacturing | 2018 |
| Ceòl Uisge-Beatha Ltd | Arts & recreation | 2023 |
| CF Exedra Bidco Limited | Financial services | 2024 |
| CF Exedra Holdings Limited | Financial services | 2024 |
| CF General Partner Limited | Financial services | 2019 |
| CF Marketing Limited | Professional & scientific | 2014 |
| CF11 Project Management Limited | Information & communication | 2013 |
| Cfauk Ltd | Wholesale & retail | 2025 |
| Cfcontrols Ltd | Professional & scientific | 2023 |
| CFG Thomas Ltd | Real estate | 2019 |
| Cfkpd Ltd | Education | 2017 |
| Cflp Holdings Limited | Financial services | 2023 |
| Cfmr Ltd | Construction | 2025 |
| CFP Fluid Power Limited | Manufacturing | 2023 |
| CFR Management Ltd | Professional & scientific | 2026 |
| CFS Bristol Limited | Wholesale & retail | 2007 |
| CFU Technologies Ltd | Professional & scientific | 2025 |
| Cfusion Testing Ltd | Information & communication | 2007 |
| Cfwebsolutions Limited | Information & communication | 2022 |
| CG Legalis Limited | Administrative & support | 2020 |
| CG Optical Services Ltd | Professional & scientific | 2015 |
| CG Plumbing Ltd | Construction | 2022 |
| CGA Personnel Limited | Administrative & support | 2002 |
| Cgaesthetics Ltd | Other services | 2025 |
| Cgamlin Ltd | Professional & scientific | 2015 |
| CGB Builders Limited | Construction | 2018 |
| CGB Projects Limited | Administrative & support | 2014 |
| Cggconsulting Limited | Professional & scientific | 2024 |
| CGL Consulting Group Ltd | Financial services | 2025 |
| CGL Turf Care Ltd | Wholesale & retail | 2020 |
| CGM Plumbing & Heating Bristol Limited | Construction | 2025 |
| Cgmp Limited | Professional & scientific | 2007 |
| CGN Solutions Ltd | Other services | 2025 |
| CGV Group Ltd | Construction | 2026 |
| CH 146 Ltd | Construction | 2025 |
| CH Trading Limited | Wholesale & retail | 2022 |
| CH Vehicle Two Ltd | Health & social care | 2023 |
| CH3 Liverpool Limited | Hospitality | 2022 |
| CH4 Installations Ltd | Construction | 2017 |
| CH4 Projects Ltd | Administrative & support | 2016 |
| CHA & Chill Limited | Hospitality | 2024 |
| Chabad Lubavitch of Bristol | Education | 2016 |
| Chabella Limited | Real estate | 2022 |
| Chachens Ltd | Transport & logistics | 2026 |
| Chachi Kitchen Limited | Hospitality | 2025 |
| Chachos Holdings Limited | Real estate | 2016 |
| Chachu Chai Limited | Professional & scientific | 2009 |
| Chadha Trading Group Limited | Wholesale & retail | 2026 |
| Chai Shai Kitchen Bristol Ltd | Hospitality | 2019 |
| Chai Wallahs Events Limited | Hospitality | 2011 |
| Chaico Ltd. | Health & social care | 2013 |
| Chaiguyco Ltd | Hospitality | 2023 |
| Chain.Io Systems UK, Ltd | Information & communication | 2022 |
| Chainasset Limited | Construction | 1993 |
| Chaingang Ltd | Manufacturing | 2025 |
| Chaingate Holdings Limited | Financial services | 2024 |
| Chaiyo Ltd | Hospitality | 2014 |
| Chakra Foods Ltd | Manufacturing | 2023 |
| Chalal London Ltd | Hospitality | 2025 |
| Chaleview Properties Limited | Real estate | 1998 |
| Chalk Vale Construction Consultancy Ltd | Construction | 2022 |
| Chalkboard Consultancy Ltd | Professional & scientific | 2024 |
| Chalker Properties Limited | Real estate | 1989 |
| Chalky Auto Center Ltd | Wholesale & retail | 2025 |
| Challenge Business Solutions Ltd | Professional & scientific | 2024 |
| Challenger Executive Search Ltd | Administrative & support | 2022 |
| Challenger Financial Advisers Limited | Financial services | 2026 |
| Chalmers Holmes Ltd | Real estate | 2025 |