| Charis Hagiazo Limited | Real estate | 2026 |
| Charles Barclay Group Limited | Financial services | 2020 |
| Charles Barrett Florist Limited | Wholesale & retail | 2024 |
| Charles Court Residents (Hereford) Limited | Households | 2004 |
| Charles Winstone Limited | Construction | 1989 |
| Charlie Zulu Ltd | Real estate | 2019 |
| Charteris Properties Limited | Real estate | 2015 |
| Chartist Property Group Ltd | Real estate | 2024 |
| Chasab Limited | Real estate | 1998 |
| Chase Construction Group Ltd | Construction | 2018 |
| Chase Ladders Limited | Administrative & support | 2012 |
| Chase Safety Limited | Professional & scientific | 2006 |
| Chase Target Ltd | Wholesale & retail | 2026 |
| Chatfield Cleaning (UK) LLP | | 2009 |
| Chayce and Grace Ltd | Wholesale & retail | 2024 |
| Chazzieswaxmelts Ltd | Wholesale & retail | 2025 |
| CHC Supplies Ltd | Wholesale & retail | 2016 |
| Cheap Thrills Limited | Wholesale & retail | 2004 |
| Cheerunleashed Ltd | Education | 2023 |
| Cheeseman Haulage Limited | Transport & logistics | 2015 |
| Chelmah Consultants Ltd | Professional & scientific | 2014 |
| Chelsea Gate Ltd | Real estate | 2003 |
| Chelsea Ventures Limited | Professional & scientific | 2018 |
| Cheltenham Developments IW Limited | Real estate | 2018 |
| Cheltenham Developments Limited | Real estate | 1997 |
| Cheltenham Investments Ltd | Real estate | 1998 |
| Chepstow Agricultural Society | Agriculture & fishing | 1984 |
| Chepstow Landscapes Ltd | Administrative & support | 2025 |
| Cherchi Ltd | Wholesale & retail | 2025 |
| Cheriton Coch Ltd | Real estate | 2025 |
| Cherrington Livestock Ltd | Agriculture & fishing | 2024 |
| Cherry Godfrey Finance (Isle of Wight) Limited | Financial services | 2020 |
| Cherry Godfrey Insurance Services (IOW) Limited | Financial services | 2015 |
| Cherwell Management Limited | Administrative & support | 2024 |
| Chessell Interiors Limited | Wholesale & retail | 2023 |
| Chessell Timberworks Ltd | Construction | 2025 |
| Chessell Woodyard Limited | Agriculture & fishing | 2014 |
| Chestnut Court (IOW) Limited | Households | 2016 |
| Cheswell Grange Limited | Other services | 2021 |
| Cheswell Orthopaedic Services Ltd | Health & social care | 2011 |
| Chetwynd Mews Limited | Real estate | 2019 |
| Cheverton Copse Holiday Park Limited | Hospitality | 2002 |
| Cheviek Ltd | Health & social care | 2018 |
| Cheycs Ltd | Health & social care | 2023 |
| CHI Squire Limited | Information & communication | 2022 |
| Chicken Processing Plant Limited | Hospitality | 2026 |
| Chickilicious Ltd | Hospitality | 2025 |
| Chilany Group Limited | Wholesale & retail | 2025 |
| Childsplay Private-Nursery Limited | Education | 2007 |
| Chilli Express Indian Takeaway Ltd | Hospitality | 2025 |
| Chillipepper Signs Limited | Administrative & support | 2016 |
| Chimene Mantori Ltd | Arts & recreation | 2020 |
| Chimerenma Healthcare Service Limited | Health & social care | 2021 |
| Chinese Manufacturing Consultancy Ltd | Professional & scientific | 2017 |
| Chinnarian Ltd | Transport & logistics | 2017 |
| Chip Stop Express Ltd | Hospitality | 2025 |
| Chips ARE Nice Games Ltd | Wholesale & retail | 2024 |
| Chiredzi Limited | Professional & scientific | 2021 |
| Chisame Healthcare Limited | Health & social care | 2011 |
| Chloe's Beauty Bar Ltd | Other services | 2024 |
| Chloelouise Talent House Ltd | Other services | 2026 |
| Chloride Industrial Batteries Limited | Professional & scientific | 1990 |
| Chocalicious Ltd | Manufacturing | 2023 |
| Chocoberry Bristol 1 Ltd | Hospitality | 2025 |
| Chocoberry Cardiff 1 Ltd | Wholesale & retail | 2021 |
| Chocoberry Food Bristol 1 Ltd | Hospitality | 2026 |
| Chocolate Island LLP | | 2011 |
| Chocolate Party Express Limited | Manufacturing | 2019 |
| Chocolate PIG Ltd | Information & communication | 2021 |
| Chrimata Capital Ltd | Financial services | 2025 |
| Chris Dennison Consulting Ltd | Professional & scientific | 2015 |
| Chris Hayman Butchers Ltd | Wholesale & retail | 2021 |
| Chris Jock Ltd | Construction | 2019 |
| Chris Jones Regeneration Consultancy (UK) Limited | Professional & scientific | 2013 |
| Chris Ledger Surveyor Limited | Professional & scientific | 2015 |
| Chris Page Estate Planning Limited | Professional & scientific | 2024 |
| Chris Parry Couriers Ltd | Transport & logistics | 2018 |
| Chris Poole Engineering Ltd | Information & communication | 2024 |
| Chris Spiteri & SON Limited | Wholesale & retail | 2009 |
| Chris Waite Stunts Ltd | Administrative & support | 2018 |
| Chris Williamson Consultancy Services Ltd | Health & social care | 2009 |
| Chrisscaffolders CYF | Wholesale & retail | 2025 |
| Christchurch Conference Centre Ltd | Other services | 2009 |
| Christchurch Developments NPT Ltd | Construction | 2018 |
| Christchurch Limited | Construction | 2022 |
| Christian Ltd | Real estate | 2025 |
| Christian Malcolm Sports Academy Limited | Administrative & support | 2016 |
| Christie and Leeming Ltd | Real estate | 2022 |
| Christie Yachts LLP | | 2007 |
| Christopher Paul Limited | Real estate | 2000 |
| Christoraj Ltd | Health & social care | 2022 |
| Chrono Time Ltd | Wholesale & retail | 2025 |
| Chronos Couriers Ltd | Transport & logistics | 2023 |
| Chrystal White Ltd | Administrative & support | 2018 |
| Chuckles Day Care Wales Limited | Health & social care | 2003 |
| Chuckyegg Ltd | Administrative & support | 2025 |
| Chun HO 2019 Ltd | Hospitality | 2019 |
| Church Aston Electrical Services Limited | Construction | 2007 |
| Church Aston Properties Limited | Real estate | 1975 |
| Church Garage Body Repairs Ltd | Wholesale & retail | 2026 |