| Cerberus IP Ltd | Professional & scientific | 2005 |
| CERTA360 Limited | Transport & logistics | 2014 |
| Certifix Ltd | Wholesale & retail | 2021 |
| Cesof Ltd | Transport & logistics | 2024 |
| Cetech Solutions Limited | Extraterritorial | 2009 |
| Ceylon 1 Limited | Hospitality | 2003 |
| CFS (SW) Ltd | Other services | 2023 |
| CFW Ultrasound Ltd | Health & social care | 2026 |
| CG Diagnostics Limited | Health & social care | 2022 |
| CG Financial Services Limited | Financial services | 2026 |
| CG Groundworks and SON Limited | Administrative & support | 2025 |
| CG Trading Solutions Ltd | Wholesale & retail | 2019 |
| CGB Nutrition Limited | Health & social care | 2021 |
| CH Hair Ltd | Other services | 2014 |
| Chaddlewood Garages Limited | Wholesale & retail | 1965 |
| Chaddlewood Properties Holdings Limited | Financial services | 2026 |
| Chaddlewood Properties Limited | Real estate | 2026 |
| Chaddlewood Software Ltd | Information & communication | 2011 |
| Chalice Champagne Limited | Manufacturing | 2021 |
| Champ Chicken (SW) Ltd | Hospitality | 2025 |
| Champion Collective Ltd | Professional & scientific | 2026 |
| Champion Inns Ltd | Hospitality | 2019 |
| Champion Sales & Lettings Limited | Real estate | 2025 |
| Champions Transport Ltd | Transport & logistics | 2019 |
| Channel Financial Planning Limited | Financial services | 2025 |
| Channicool Training Services Limited | Administrative & support | 2009 |
| Channing's Independent Traders Ltd | Wholesale & retail | 2020 |
| Chantry Close Management Company (Peterborough) Limited | Administrative & support | 1995 |
| Chaohong Ltd | Hospitality | 2022 |
| Chaotic Works Limited | Information & communication | 2023 |
| Chapel Street Devonport Limited | Real estate | 2017 |
| Chaplins (Lettings) Limited | Real estate | 2022 |
| Chaplins (Plymouth) Limited | Wholesale & retail | 1983 |
| Chaplins Properties Limited | Professional & scientific | 2008 |
| Character Creation Roleplaying CIC | Education | 2021 |
| Character Windows Limited | Construction | 2016 |
| Charanna Developments Limited | Construction | 2018 |
| Charanna Estates Ltd | Real estate | 2017 |
| Charanna Holdings Limited | Financial services | 2020 |
| Charanna Properties Ltd | Real estate | 2016 |
| Charcoal Grill Worthing Ltd | Hospitality | 2020 |
| Charger Ltd | Wholesale & retail | 2018 |
| Charisone Services Ltd | Health & social care | 2019 |
| Charles Burgess Deed Polls Ltd | Other services | 2024 |
| Charles Robertson (Holdings) Limited | Wholesale & retail | 2011 |
| Charlie Foster Carpentry & Roofing Ltd | Manufacturing | 2021 |
| Charlie’S Bike Shop Ltd | Manufacturing | 2025 |
| Charlotte Jones Productions Limited | Information & communication | 2025 |
| Charlton Associates Limited | Professional & scientific | 2018 |
| Charlton Court Management (Gloucester) Limited | Households | 1983 |
| Chartahouse Ltd | Professional & scientific | 2008 |
| Charu Investments Limited | Real estate | 2020 |
| Chatham Creative Ltd | Professional & scientific | 2020 |
| Chatsworth Residential Home Ltd | Health & social care | 2024 |
| Cheapest Tyers Shop Ltd | Other services | 2024 |
| Check My Compensation Limited | Professional & scientific | 2025 |
| Checkmat Plymouth Ltd | Arts & recreation | 2023 |
| Checkyear Limited | Information & communication | 1989 |
| Cheery Buys Ltd | Wholesale & retail | 2002 |
| Chef DON Ltd | Hospitality | 2023 |
| Chelmax Limited | Real estate | 2010 |
| Chelsey Rose Kitchens & Bedrooms Limited | Manufacturing | 2023 |
| Chelson Meadow Community Solar Limited | Energy | 2023 |
| Cheltenham Antiques Limited | Wholesale & retail | 2020 |
| Chempon Limited | Health & social care | 2015 |
| Chens 160 Limited | Hospitality | 2024 |
| Chenxin Limited | Health & social care | 2023 |
| Chequered Flag Motorcycles Limited | Wholesale & retail | 2020 |
| Cherish Nail Studio (Plymouth) Limited | Other services | 2024 |
| Cherry Lashez Ltd | Wholesale & retail | 2024 |
| Chesterboy Trading Ltd | Construction | 2018 |
| Cheung Consulting Limited | Professional & scientific | 2011 |
| CHI Chi’S Kitchen Ltd | Hospitality | 2018 |
| Chicos Garage Ltd | Wholesale & retail | 2018 |
| Chief Client Officer Ltd | Information & communication | 2019 |
| Children 1ST Mediation Ltd | Health & social care | 2017 |
| Chilli and Pepper Ltd | Hospitality | 2018 |
| CHILLI100 Food Limited | Hospitality | 2014 |
| Chilotaservices Ltd | Public administration | 2026 |
| Chiltern Churchill Limited | Administrative & support | 2011 |
| China Court (ST Austell) Management Company Limited | Households | 2010 |
| Chipsy Plymouth Ltd | Hospitality | 2026 |
| Chisvo D Ltd | Health & social care | 2024 |
| Chittleburn Close Management Company Limited | Real estate | 2016 |
| Chiverton Lock & Leave Limited | Transport & logistics | 2023 |
| Chlo and Co Media Ltd | Professional & scientific | 2025 |
| Chloe Property Design Ltd | Professional & scientific | 2020 |
| Chocim Chocolate Limited | Hospitality | 2019 |
| Choppers Barber Shop Ltd | Other services | 2019 |
| Chorus Songwriting CIC | Arts & recreation | 2023 |
| Chowdhury Spice Ltd | Hospitality | 2026 |
| Chris Kallis Solicitors Limited | Professional & scientific | 2012 |
| Chris Major Training Limited | Education | 2012 |
| Chris Mobile Mechanic Ltd | Professional & scientific | 2024 |
| Chris Newton Mortgage Services Limited | Financial services | 2014 |
| Chris Putt Motor Engineers Limited | Wholesale & retail | 2003 |
| Chris Shorey Lettings Limited | Administrative & support | 1999 |
| Chris Weight Ltd | Other services | 2017 |
| Chrislyn Trading Ltd | Wholesale & retail | 2026 |
| Christal Foodies Limited | Hospitality | 2026 |