| Chapel Break OSC CIC | Health & social care | 2011 |
| Chapel Court (Blofield) Management Limited | Households | 1989 |
| Chapel Road Carlton Limited | Real estate | 2015 |
| Chapel Yard Limited | Hospitality | 2026 |
| Chapelfield Hospitality Ltd | Hospitality | 2024 |
| Chapelfield Property Management Ltd | Real estate | 2023 |
| Chaplin Farrant Cambridge Limited | Professional & scientific | 2026 |
| Chaplin Farrant Limited | Professional & scientific | 1990 |
| Chapman & Sons Limited | Agriculture & fishing | 2003 |
| Chapman Brothers Properties Ltd | Real estate | 2022 |
| Chapmans Multi Trade Specialist Ltd | Manufacturing | 2024 |
| Chapolmar Ltd | Real estate | 2017 |
| Chapter Architects Limited | Professional & scientific | 2017 |
| Chapter Build Group Limited | Construction | 2016 |
| Chapter TRE Photography Limited | Professional & scientific | 2022 |
| Chapterhouse Band Ltd | Information & communication | 2026 |
| Chapters Developments Limited | Construction | 2025 |
| Chapters Holdings Limited | Construction | 2025 |
| Chapters Homes Limited | Construction | 2025 |
| Char Body Care & Cosmetics Ltd | Other services | 2023 |
| Charcoal Grill NW Limited | Hospitality | 2019 |
| Charge IT Ltd | Construction | 2022 |
| Charge IT NOW Limited | Energy | 2024 |
| Charge NOW Limited | Energy | 2024 |
| Charged Electrical (EA) Ltd | Construction | 2023 |
| Chargescore Limited | Real estate | 2002 |
| Charing Cross Practice Ltd | Health & social care | 2013 |
| Charing Lodge Limited | Health & social care | 2002 |
| Charisma Norwich Limited | Other services | 2024 |
| Charles Johnson Limited | Wholesale & retail | 2011 |
| Charles Lort-Phillips Ltd | Other services | 2007 |
| Charles MAY Construction Limited | Construction | 2002 |
| Charles Taverner Solutions Limited | Information & communication | 2023 |
| Charles Webb Limited | Administrative & support | 1999 |
| Charles-Mayo Financial Advisers Limited | Financial services | 2023 |
| Charles-Patrick Financial Ltd | Financial services | 2022 |
| Charlie Cheesecake Limited | Arts & recreation | 2026 |
| Charlie Crossman Ltd. | Construction | 2017 |
| Charlie Hawkins Painting and Decorating Services Ltd | Construction | 2024 |
| Charlotte Berney Design and Consultancy Limited | Professional & scientific | 2019 |
| Charlotte Boyd Trading Limited | Wholesale & retail | 2017 |
| Charlotte COT Blankets Limited | Manufacturing | 2017 |
| Charlotte Elizabeth Consultancy Limited | Extraterritorial | 2024 |
| Charlotte Murawski Coaching Limited | Health & social care | 2021 |
| Charlotte Trivedi Holdings Ltd | Real estate | 2018 |
| Charlotterussellaca Limited | Professional & scientific | 2014 |
| Charlton House Professional Services Limited | Professional & scientific | 2020 |
| Charly Mace Properties Ltd | Real estate | 2025 |
| Charm Craves Fare Ltd | Wholesale & retail | 2024 |
| Charm Pochana Company Limited | Hospitality | 2019 |
| Charmer Consultants Ltd | Professional & scientific | 2018 |
| Charta Porta Ltd | Information & communication | 2017 |
| Charter Property Repairs Limited | Construction | 2017 |
| Charter Transport Limited | Transport & logistics | 1989 |
| Chartercrest Ltd | Professional & scientific | 2000 |
| Charterhouse Macmillan Group Inc Limited | Construction | 2015 |
| Chartwell House Service Company Limited | Households | 2022 |
| Charwin Media Limited | Administrative & support | 2010 |
| Charwin Private Clients Limited | Financial services | 2008 |
| Chas. Cann Co Ltd | Wholesale & retail | 2018 |
| Chatime Manchester Limited | Hospitality | 2014 |
| Chatime Norwich Ltd | Hospitality | 2016 |
| Chatok Enterprises Ltd | Wholesale & retail | 2019 |
| Chatsby Associates Limited | Professional & scientific | 2022 |
| Chatsignals Ltd | Information & communication | 2024 |
| Chatterbox Investments Limited | Real estate | 2021 |
| Chaucer Barn Limited | Other services | 1996 |
| Chaw Ltd | Health & social care | 2018 |
| CHB Communications Ltd | Information & communication | 2021 |
| CHC Tech Limited | Information & communication | 2019 |
| Cheall & COE Properties Ltd | Real estate | 2003 |
| Cheapmoov London Limited | Real estate | 2019 |
| Checi Ltd | Professional & scientific | 2025 |
| Checkley Consulting Ltd | Professional & scientific | 2017 |
| Chedgrave Oxygen Therapy Centre Ltd | Health & social care | 1988 |
| Chediston Homes Limited | Construction | 1972 |
| Cheef Properties Ltd | Real estate | 2022 |
| Cheef Property Management LLP | | 2022 |
| Cheek and Tongue Ltd | Hospitality | 2019 |
| Cheeks Meadow Limited | Real estate | 2025 |
| Cheeky Smiles Limited | Health & social care | 2017 |
| Cheerful Children Toys Ltd | Manufacturing | 2019 |
| Cheese and Pixels Ltd | Information & communication | 2025 |
| Cheetah Checkout Limited | Wholesale & retail | 2017 |
| Cheetah Scaffolding Ltd | Construction | 2024 |
| Chef Geeks Ltd | Wholesale & retail | 2019 |
| Chef's Fayre Ltd | Hospitality | 2022 |
| Chefkit Ltd | Manufacturing | 2024 |
| Chelsea Investment Properties Ltd | Real estate | 2018 |
| Chelsea Joinery Limited | Financial services | 2013 |
| Chelsea Rooke Investments Ltd | Real estate | 2024 |
| Chemical Safety Advice Limited | Professional & scientific | 2012 |
| Chenery’S Load & Go Ltd | Water & waste | 2023 |
| Cheng Chinese Foods Ltd | Hospitality | 2025 |
| Chengood Limited | Wholesale & retail | 2013 |
| Chentek Ltd | Wholesale & retail | 2024 |
| Chequers Financial Planning Limited | Financial services | 2021 |
| Cherar Limited | Extraterritorial | 2021 |
| CHERAR1 Limited | Extraterritorial | 2021 |
| Cheridan Properties Ltd | Real estate | 2020 |