| Chadwick Dryer Clarke Ltd | Professional & scientific | 2007 |
| Chadwick Export Services Limited | Administrative & support | 2003 |
| Chadwyck-Healey 1999 Ltd | Real estate | 2013 |
| Chalcot Square House Ltd | Real estate | 2016 |
| Chaleit Digital Ltd | Information & communication | 2021 |
| Chaleit Grey Limited | Information & communication | 2021 |
| Chaleit Group Ltd | Information & communication | 2021 |
| Chaleit Holdings Limited | Information & communication | 2021 |
| Chaleit Services Limited | Information & communication | 2021 |
| Chalk Blake Properties Limited | Construction | 2025 |
| Chalk Glade Management Company Limited | Households | 2022 |
| Chalke Property Holdings Limited | Real estate | 2023 |
| Chalkhill Capital Partners LLP | | 2025 |
| Chalkhill Partners LLP | | 2009 |
| Chalkhorse Limited | Information & communication | 2025 |
| Chalkley Construction Ltd | Construction | 2025 |
| Challenge Industrial Limited | Extraterritorial | 2010 |
| Challenge Projects Ltd | Professional & scientific | 2014 |
| Challis Estates Limited | Real estate | 2023 |
| Challis Fields (Barrington) Management Company Limited | Households | 2001 |
| Chaloet Trading Ltd | Wholesale & retail | 2024 |
| Chambers and Beau Limited | Manufacturing | 2014 |
| Chameleon Fencing & Landscaping Limited | Administrative & support | 2012 |
| Chameleon Studios Limited | Information & communication | 2005 |
| Champion Refratech Private Limited | Manufacturing | 2025 |
| Chamunda Ltd | Real estate | 2015 |
| Chan Properties LLP | | 2024 |
| Chanaus (ERP) Limited | Information & communication | 2017 |
| Chancery Feeder Limited | Professional & scientific | 2024 |
| Chandler Ashgaurd Limited | Information & communication | 2024 |
| Chane Land Limited | Agriculture & fishing | 2020 |
| Changchun Jstar Optics Co., Ltd | Extraterritorial | 2014 |
| Change Bulgaria Ltd | Administrative & support | 2023 |
| Change Coffee Ltd | Manufacturing | 2023 |
| Change the Race Ratio CIC | Administrative & support | 2023 |
| Changshu Dongsheng Marine Parts Co., Ltd. | Extraterritorial | 2022 |
| Chantage | Arts & recreation | 2006 |
| Chaos and Chromosomes Ltd | Administrative & support | 2026 |
| Chaos Engine Limited | Information & communication | 2023 |
| Chapel Lane Trading Ltd | Professional & scientific | 2021 |
| Chapel Meadows (Management Company) Limited | Real estate | 2017 |
| Chaplin Farms (Fulbourn) Limited | Agriculture & fishing | 1965 |
| Chaplin Group Holdings Limited | Financial services | 2021 |
| Chaplin Group Limited | Financial services | 2016 |
| Chapman's Garage Limited | Wholesale & retail | 2017 |
| Chapmans Consulting Limited | Professional & scientific | 2024 |
| Chappells Land & Property LLP | | 2022 |
| Chapter House Holdings Limited | Real estate | 2023 |
| Chapter House Residents Limited | Households | 2005 |
| Chapter Shift Ltd | Wholesale & retail | 2026 |
| Character Creation Costumes Ltd | Arts & recreation | 2017 |
| Charalex AI Tech Ltd | Information & communication | 2025 |
| Charco Neurotech Ltd | Manufacturing | 2019 |
| Charcy Property Ltd | Construction | 2024 |
| Charden TEK Ltd | Wholesale & retail | 2019 |
| Chardome Ltd | Manufacturing | 2020 |
| Charge 2 Group Limited | Professional & scientific | 2013 |
| Charge 2 Limited | Financial services | 2000 |
| Charge Fit Ltd | Arts & recreation | 2025 |
| Chariot of Fire Health Care Services Ltd. | Health & social care | 2015 |
| Charis Charitable Trust | Education | 2005 |
| Charis Community Limited | Education | 2005 |
| Charles College Ltd | Education | 2022 |
| Charles Lovelace Limited | Real estate | 2000 |
| Charles Muller Comp Limited | Wholesale & retail | 2025 |
| Charles Muller Computers Limited | Wholesale & retail | 2025 |
| Charles Muller Limited | Wholesale & retail | 2025 |
| Charley Hull Promotions Limited | Arts & recreation | 2014 |
| Charlie Owen Events Ltd | Arts & recreation | 2019 |
| Charlie Vidler Property Ltd | Real estate | 2026 |
| Charlie Vince Tree Surgery Ltd | Agriculture & fishing | 2015 |
| Charlie Watson Music Ltd | Information & communication | 2024 |
| Charlie's Coffee Company Ltd | Hospitality | 2014 |
| Charlie's Property Services Ltd | Construction | 2017 |
| Charlotte Olivia Crockett Ltd | Professional & scientific | 2022 |
| Charlotte Robinson Ltd | Information & communication | 2016 |
| Charlton Auto Recycling Ltd | Wholesale & retail | 2026 |
| Charter Square Management Company Limited | Households | 2016 |
| Chartley Flowers Limited | Wholesale & retail | 2023 |
| Chartwell Freeholder Ltd | Households | 2023 |
| Charvi DFT Solutions Ltd | Professional & scientific | 2022 |
| Chasm Cards Ltd. | Wholesale & retail | 2021 |
| Chateau 38 Ltd | Real estate | 2013 |
| Chateau Clerbaud Ltd | Real estate | 2019 |
| Chater Allan Financial Services LLP | | 2007 |
| Chater Allan LLP | | 2003 |
| Chater Allan Services Limited | Professional & scientific | 1996 |
| Chatsworth Homes Combs Ltd | Real estate | 2021 |
| Chatsworth Homes Hockering Ltd | Construction | 2021 |
| Chatsworth Homes Limited | Construction | 2019 |
| Chatterbox Voices Ltd | Information & communication | 2012 |
| Chatteris Chamber of Commerce Limited | Professional & scientific | 2005 |
| Chatteris House Management Company Limited | Households | 2007 |
| Chauffer&Concierge Services Ltd | Administrative & support | 2019 |
| Chauffeur Drive Limited | Extraterritorial | 2012 |
| Chauffeur Prive Ltd | Transport & logistics | 2026 |
| Chaulden Meadows Residential Management Company Limited | Households | 2025 |
| Chavereys (Cambridge) Ltd | Professional & scientific | 2019 |
| CHC Aeroform Ltd | Manufacturing | 2025 |
| Chealthc Ltd | Administrative & support | 2019 |