| Charles Church Village Heritage PLC | Extraterritorial | 1989 |
| Charles Douglas Group Limited | Construction | 2022 |
| Charles Garth Limited | Professional & scientific | 2014 |
| Charles Green Design Ltd | Professional & scientific | 2022 |
| Charles Hobson Ltd | Wholesale & retail | 2026 |
| Charles Hobson of Easingwold Limited | Wholesale & retail | 2002 |
| Charles L Brown Associates (MIC) Limited | Administrative & support | 2003 |
| Charles Rhodes Media Limited | Information & communication | 1996 |
| Charles Stewart & Co Limited | Professional & scientific | 2020 |
| Charles Timmins Ltd | Wholesale & retail | 2024 |
| Charles Walker Construction Limited | Construction | 2022 |
| Charleswood Property Developments Limited | Construction | 2014 |
| Charlotte Bradley Transport Services Limited | Wholesale & retail | 2015 |
| Charlotte H Watkins | Extraterritorial | 2011 |
| Charlotte Kitchen Architects Limited | Extraterritorial | 2016 |
| Charlotte Pearce Consulting Limited | Information & communication | 2019 |
| Charlton Grant Ltd | Information & communication | 2012 |
| Charlton Place (Keynsham) Management Company Limited | Households | 2018 |
| Charlton Property Services Limited | Real estate | 2009 |
| Charlton Street Management Company Ltd | Households | 2021 |
| Chart Computer Consultants Limited | Information & communication | 1997 |
| Charterhouse Management (UK) Limited | Professional & scientific | 1999 |
| Charters-Reid Surveyors Ltd | Professional & scientific | 2011 |
| Charters-Reid Surveys Limited | Professional & scientific | 2014 |
| Chastim Management Company Limited | Households | 2006 |
| Chateau Anna Developments Ltd | Construction | 2022 |
| Chateau Anna Lettings Ltd | Real estate | 2024 |
| Chateau Anna Ltd | Hospitality | 2021 |
| Chateau Events Limited | Hospitality | 2023 |
| Chateau Weddings Limited | Administrative & support | 2023 |
| Chatwal Care Limited | Administrative & support | 2023 |
| Chaucer Bidco Limited | Financial services | 2023 |
| Chaucer Midco Limited | Financial services | 2023 |
| Chaucer Topco Limited | Financial services | 2023 |
| Chaucers Meadow (North Petherton) Management Company Limited | Households | 2022 |
| Check Technology Systems LLP | | 2004 |
| Chef Lu's Ltd | Hospitality | 2017 |
| Chefprop Consultancy Limited | Hospitality | 2016 |
| Cheifstay Limited | Hospitality | 2025 |
| Chemical and Safety Services Ltd | Professional & scientific | 2021 |
| Chemplus Ltd | Manufacturing | 2014 |
| Chen Dining Ltd | Hospitality | 2024 |
| Cheney Commercials Ltd | Wholesale & retail | 2014 |
| Chengmeilier Ltd | Wholesale & retail | 2022 |
| Cheron London Limited | Wholesale & retail | 2019 |
| Cherry Cube Limited | Professional & scientific | 2011 |
| Cherry PIE Limited | Arts & recreation | 2013 |
| Cherry Tree Financial Ltd | Financial services | 2016 |
| Cherry Tree Venture LLP | | 2020 |
| Cherry Wood Renewables Limited | Financial services | 2025 |
| Cherry Wood Seaton Limited | Financial services | 2021 |
| Chesell Holdings Limited | Professional & scientific | 2010 |
| Cheshire Pet Crematorium Ltd | Extraterritorial | 1997 |
| Chessingham Grove Management Company Limited | Real estate | 1999 |
| Chessingham Park Management Limited | Real estate | 2008 |
| Chestnut 1964 Limited | Extraterritorial | 2013 |
| Chestnut Advisory Limited | Professional & scientific | 2024 |
| Chestnut Court (Potternewton) Limited | Households | 1983 |
| Chestnut Court (York) Management Company Limited | Households | 2016 |
| Chestnut Solutions Limited | Real estate | 2012 |
| CHH (York) Limited | Real estate | 2009 |
| Chia Food (York) Limited | Manufacturing | 2015 |
| Chiang Property Management Ltd | Real estate | 2023 |
| Chic Teeth Ltd | Health & social care | 2022 |
| Chichek Limited | Wholesale & retail | 2021 |
| Chicken Republic York Ltd | Hospitality | 2025 |
| Chicos Fish & Chips York Limited | Hospitality | 2014 |
| Child and Family Training (UK) Limited | Other services | 2012 |
| Childcare by Georgina Limited | Health & social care | 2016 |
| Chili Crisp Communications Ltd | Professional & scientific | 2024 |
| Chill Refrigeration Ltd | Construction | 2022 |
| Chilli Cactus Limited | Manufacturing | 2006 |
| Chilmark Glade Management Company Limited | Households | 2014 |
| Chiltern Shoulder and Sports Clinic Ltd | Health & social care | 2018 |
| Chilton (Accrington) Limited | Construction | 2008 |
| Chimera Aerospace Ltd | Professional & scientific | 2019 |
| Chimera Aviation Limited | Manufacturing | 2016 |
| China Palaces Restaurant Limited | Hospitality | 2017 |
| China Regency Ltd. | Other services | 2017 |
| Chinatown Mart Ltd | Wholesale & retail | 2024 |
| Chine House Veterinary Hospital Limited | Professional & scientific | 2020 |
| Chiropractic Plus Limited | Health & social care | 1997 |
| Chitsabesansurgery Ltd | Health & social care | 2019 |
| Chiuchiu Ltd | Hospitality | 2022 |
| Choc Affair Ltd | Manufacturing | 2009 |
| Chocks Away Cafe Ltd | Hospitality | 2020 |
| Chocolate PR Limited | Professional & scientific | 2004 |
| Chokdee Academy Ltd | Arts & recreation | 2022 |
| Choma Property Rental Limited | Real estate | 2000 |
| CHOOSE2 CIC | Education | 2014 |
| Chop Suey House (York) Limited | Hospitality | 2003 |
| Chpb Limited | Professional & scientific | 2011 |
| Chris Binns Wealth Management Limited | Financial services | 2014 |
| Chris Clubley and Co Limited | Real estate | 1990 |
| Chris Dunn Consulting Limited | Professional & scientific | 2013 |
| Chris Matthams Ltd | Arts & recreation | 2026 |
| Chris Meadowcroft Consultancy Ltd | Professional & scientific | 2019 |
| Chris Moore Networks Limited | Information & communication | 2016 |
| Chris Myers Plumbers Limited | Construction | 2007 |
| Chris Readman Consulting Limited | Information & communication | 2025 |