| Chersoft Limited | Information & communication | 1999 |
| Cheryl Collinson Consultancy Ltd | Professional & scientific | 2013 |
| Cherylc TV Limited | Professional & scientific | 2015 |
| Cheshire Home & Office Cleaning Limited | Administrative & support | 2017 |
| Cheshire Roofing Supplies Limited | Extraterritorial | 2003 |
| Cheshire Springs Health Care Limited | Health & social care | 2019 |
| Cheskiboo Ltd | Hospitality | 2024 |
| Chesme Ltd | Real estate | 2024 |
| Chester Finance & Leasing (Holdings) Limited | Financial services | 2018 |
| Chester Finance & Leasing Management Limited | Water & waste | 2017 |
| Chesterfield Carpets Limited | Wholesale & retail | 2009 |
| Chesterfield Cylinders Limited | Extraterritorial | 2007 |
| Chesterfield Decorator Centre Ltd | Wholesale & retail | 2003 |
| Chesterfield Flashing Services Ltd | Manufacturing | 2017 |
| Chesterfield Metal Technologies Limited | Manufacturing | 2020 |
| Chesterfield Pressure Systems Group Limited | Manufacturing | 2003 |
| Chesterfield Property Limited | Real estate | 2012 |
| Chesterfield Roofing & Cladding Ltd | Construction | 2022 |
| Chesterfield Smart Car Hire Ltd | Administrative & support | 2023 |
| Chesterfield Special Cylinders Holdings PLC | Professional & scientific | 2007 |
| Chesterfield Special Cylinders Limited | Manufacturing | 2003 |
| Chesterfield Telecom Ltd | Administrative & support | 2024 |
| Chesterfield Tube Company Limited | Extraterritorial | 2004 |
| Chesterman Marketing Limited | Wholesale & retail | 1992 |
| Chestnut Group Limited | Financial services | 1963 |
| Chetwynd Architects Limited | Professional & scientific | 2021 |
| Chetwynd Property Group Limited | Real estate | 2026 |
| Chez Developments Ltd | Construction | 2025 |
| Chez Lahlou Limited | Hospitality | 2023 |
| Chez Plumb Letting Limited | Real estate | 2026 |
| Chezmatic Trading Limited | Wholesale & retail | 2024 |
| CHF Accountancy Limited | Professional & scientific | 1996 |
| CHG Electrical Limited | Construction | 2004 |
| Chia M Beauty Limited | Wholesale & retail | 2022 |
| Chiam Ltd | Health & social care | 2017 |
| Chian Ltd | Wholesale & retail | 2021 |
| Chic Furniture Ltd | Wholesale & retail | 2019 |
| Chica DE LAS Flores Ltd | Wholesale & retail | 2017 |
| Chick 'O' Rito Ltd | Wholesale & retail | 2024 |
| Chick Deli Ltd | Hospitality | 2026 |
| Chicken Today Ltd | Hospitality | 2025 |
| Chicken Villas Limited | Real estate | 1982 |
| Chicksnk Limited | Health & social care | 2018 |
| Chico Connect Group Ltd | Transport & logistics | 2023 |
| Chiko GAS & Heating Services Ltd | Energy | 2016 |
| Chikoos Periperi Ltd | Hospitality | 2021 |
| Child and Educational Psychology Ltd | Education | 2022 |
| Child Centred Psychology Ltd | Education | 2023 |
| Child Neuropsychology UK Ltd | Professional & scientific | 2010 |
| Child's Play Day Nursery (Penistone) Limited | Education | 2012 |
| Childcare Business Management Ltd | Education | 2012 |
| Childly Ltd | Information & communication | 2025 |
| Children and Young People's Empowerment Project Limited | Health & social care | 2004 |
| Childrens Care and Support Ltd | Health & social care | 2026 |
| Children’S Critical Care Community Interest Company | Education | 2023 |
| Childworks Ltd | Professional & scientific | 2025 |
| Chiles Evans + Care Architects Ltd. | Professional & scientific | 2015 |
| Chilli Pepper Pete Ltd | Information & communication | 2008 |
| Chilli Point 24 Ltd | Hospitality | 2024 |
| Chills and Champions Equine Limited | Transport & logistics | 2026 |
| Chiltern Joinery Services Ltd | Construction | 2002 |
| Chimerical Ventures Limited | Professional & scientific | 2020 |
| Chimo Sheffield (Manufacturing) Limited | Manufacturing | 2013 |
| Chimp Management Ltd | Arts & recreation | 2012 |
| China 868 Limited | Hospitality | 2022 |
| China House TA Ltd | Hospitality | 2025 |
| China Taste Hunan Limited | Hospitality | 2018 |
| China WOK HG Limited | Hospitality | 2024 |
| Chinanio Limited | Wholesale & retail | 2025 |
| Chinatown 888 Ltd | Hospitality | 2024 |
| Chinese Table Limited | Hospitality | 2016 |
| Ching LAM Ltd | Health & social care | 2023 |
| Chingford United 1948 Football Club Ltd | Arts & recreation | 2019 |
| Chippee Limited | Real estate | 2010 |
| Chirakkadavu Limited | Health & social care | 2015 |
| Chiro Works (UK) Limited | Health & social care | 2013 |
| Chisholm Hairstylists Ltd | Other services | 2020 |
| Chiswell Group Limited | Real estate | 2025 |
| Chiuwah Cash & Carry Limited | Hospitality | 2023 |
| Chiuwah East Ltd | Hospitality | 2022 |
| Chiverton Homes Limited | Real estate | 2006 |
| Chiverton MLR Limited | Health & social care | 2019 |
| Chjb Holdings Limited | Real estate | 2025 |
| Chloe Crooks Communication Service Ltd | Professional & scientific | 2026 |
| Chloe Darker Consultancy Limited | Professional & scientific | 2025 |
| Chloe Hartley Ltd | Other services | 2012 |
| Chloe Lowe Limited | Information & communication | 2020 |
| Chng Ltd | Professional & scientific | 2016 |
| Chocobo Express Limited | Information & communication | 2025 |
| Chocoheaven Ltd | Wholesale & retail | 2026 |
| Chocolate Bar Group Limited | Hospitality | 2024 |
| Chocolate Bar Tower Bridge Limited | Hospitality | 2025 |
| Chocolate Bar York Limited | Hospitality | 2026 |
| Chocolate on a Trrip Ltd | Wholesale & retail | 2025 |
| Chocolate Works York Management Company Limited | Real estate | 2015 |
| Chocolatebox (Sheffield) Limited | Transport & logistics | 2005 |
| Choice of LED Lighting Ltd | Manufacturing | 2020 |
| Cholerton and Foster Ltd | Real estate | 2017 |
| Cholmley Estates Limited | Construction | 1992 |
| Chomskay Ltd | Wholesale & retail | 2025 |