| Chaingrowth Ltd | Information & communication | 2018 |
| Chakde Life Limited | Manufacturing | 2023 |
| Chakra Coffee Roastery & Consultancy Ltd | Manufacturing | 2022 |
| Chalets Direct Limited | Professional & scientific | 2005 |
| Chalkfx Trading Limited | Information & communication | 2025 |
| Chalkycat Ltd | Information & communication | 2026 |
| Challenge Zone Limited | Arts & recreation | 2020 |
| Chambers Investment Holdings Limited | Real estate | 2024 |
| Chameleon Web Studios Ltd | Professional & scientific | 2025 |
| Champion Global Prints Ltd | Manufacturing | 2025 |
| Champion Manufacturing Limited | Manufacturing | 1999 |
| Champions Grill and Burger Ltd | Hospitality | 2023 |
| Chams Consortium UK Ltd | Information & communication | 2019 |
| Chancery Services Limited | Transport & logistics | 1995 |
| Chandler House Financial Planning Ltd | Financial services | 2009 |
| Chandra Estates Ltd | Real estate | 2026 |
| Change Management Developments Limited | Construction | 2017 |
| Change Management Housing Ltd | Real estate | 2017 |
| Changeworx Limited | Professional & scientific | 2023 |
| Channeled Resources Limited | Administrative & support | 2000 |
| Chantreyland Residents Ltd | Households | 2019 |
| Chantry Court RTM Company Limited | Real estate | 2011 |
| Chaotics Group Ltd | Hospitality | 2025 |
| Chapel Fields (Wrentham) Management Company Limited | Extraterritorial | 2001 |
| Chapel Street Music Management Limited | Administrative & support | 2014 |
| Chapmancentral Limited | Information & communication | 2025 |
| Chardon Labs Ltd | Information & communication | 2026 |
| Charged Bikes Ltd | Wholesale & retail | 2019 |
| Chariklo Commerce Ltd | Wholesale & retail | 2025 |
| Charis Creative Health CIC | Health & social care | 2026 |
| Charites Limited | Wholesale & retail | 2022 |
| Charles Cadogan Investments Limited | Real estate | 2015 |
| Charles Doyle Property Ltd | Real estate | 2025 |
| Charles Hendricks & Co Ltd | Real estate | 2013 |
| Charles Stebbing Limited | Wholesale & retail | 1986 |
| Charlotte Davies Psychology Limited | Health & social care | 2023 |
| Chart Property Support Services Ltd | Administrative & support | 2024 |
| Charzak Group Limited | Administrative & support | 2025 |
| Chase Cross Childcare Services Ltd | Health & social care | 2026 |
| Chase Does Events Ltd | Other services | 2025 |
| Chase Insulations Ltd | Construction | 2015 |
| Chase Property Investments Limited | Real estate | 2019 |
| Chatsworth Stables (Badwell ASH) Management Company Limited | Households | 2022 |
| Chatty Chris Ltd | Arts & recreation | 2026 |
| Chatwise UK Limited | Information & communication | 2019 |
| Chaucer Solutions Limited | Manufacturing | 1978 |
| Chaucers Consultancy Services Limited | Administrative & support | 2020 |
| Chavannes Ltd | Information & communication | 2026 |
| Chavda Pharm Limited | Health & social care | 2016 |
| Cheadle Fish Bar Limited | Hospitality | 2021 |
| Cheadle Fryers Ltd | Hospitality | 2024 |
| Cheapwigproductions Limited | Hospitality | 2024 |
| Check From Home Ltd | Wholesale & retail | 2026 |
| Checkers Waffle Consultant Limited | Information & communication | 2025 |
| Checkin Media Ltd | Professional & scientific | 2025 |
| Checklora Product Stability Ltd | Information & communication | 2026 |
| Checkmark Ltd | Construction | 2023 |
| Checkpoint Global Ltd | Information & communication | 2026 |
| Cheerstate Limited | Real estate | 1991 |
| Chef Gear Giveaways Ltd | Wholesale & retail | 2026 |
| Chefnero Ltd | Information & communication | 2021 |
| Cheldan Construction Limited | Construction | 2006 |
| Chemfianza Limited | Wholesale & retail | 2022 |
| Cherish Mandarin Ltd | Real estate | 2023 |
| Cherniak Ltd | Wholesale & retail | 2025 |
| Cherries Ahead Ltd | Manufacturing | 2020 |
| Cherry Blossom Estates Ltd | Real estate | 2021 |
| Cherry Tree ROW Ltd | Agriculture & fishing | 2012 |
| Cheshire Sweetscape Ltd | Hospitality | 2023 |
| Chestnut Court (Mildenhall) Limited | Households | 2016 |
| Chestnut Group Holdings 2 Limited | Hospitality | 2024 |
| Chestnut Group Holdings Limited | Hospitality | 2023 |
| Chestnut Inns Limited | Hospitality | 2012 |
| Chichester Cleaning Services Ltd | Administrative & support | 2023 |
| Chichi Nemelu Ltd | Health & social care | 2022 |
| Chieftain Ltd | Manufacturing | 2019 |
| Chiixiaoba Ltd | Wholesale & retail | 2025 |
| Chik'N Limited | Hospitality | 2016 |
| Child and Family CBT Services Limited | Other services | 2015 |
| Chiltern Wick Ltd | Wholesale & retail | 2025 |
| Chilton Fields Stowmarket Limited | Households | 2019 |
| Chima Housing Limited | Professional & scientific | 2021 |
| China Diamond Limited | Other services | 2025 |
| China House IP28 Ltd | Hospitality | 2024 |
| CHIPSOLUTIONS323 Limited | Hospitality | 2025 |
| Chislehurst Accounting Ltd | Professional & scientific | 2019 |
| Chlorchem Ltd | Administrative & support | 2023 |
| Chocworld Ltd | Wholesale & retail | 2023 |
| Cholla Ltd | Professional & scientific | 2024 |
| Chommzy Global Solutions Ltd | Wholesale & retail | 2025 |
| Chomped Ltd | Professional & scientific | 2026 |
| Chomps Media Ltd | Information & communication | 2023 |
| Chonka Marketing Agency Ltd | Professional & scientific | 2025 |
| Chopco Limited | Administrative & support | 2024 |
| Chops Grocery Ltd | Hospitality | 2018 |
| Chores Indoors Limited | Professional & scientific | 2000 |
| Chorley Investments Ltd | Extraterritorial | 2024 |
| Chorus Music Therapy & Education Ltd | Education | 2023 |
| Chouard Ventures Limited | Manufacturing | 2025 |
| CHR Track Systems Limited | Arts & recreation | 2009 |