| Chedstow (Teeside) Limited | Hospitality | 2010 |
| Cheeky Monkeys Holdings Limited | Financial services | 2025 |
| Cheemaz Leather Ltd | Wholesale & retail | 2025 |
| Chef Charlie Ltd | Hospitality | 2025 |
| Chef Kola Ltd | Hospitality | 2024 |
| Chef TG Limited | Hospitality | 2018 |
| Chefcook.Ng Limited | Hospitality | 2024 |
| Chelchris Infotech Limited | Manufacturing | 2013 |
| Chelsea Fine Stationery Ltd | Manufacturing | 2008 |
| Chelsea Hire Complete Event Hire Solutions Limited | Other services | 2008 |
| Chelsea Promotions Limited | Professional & scientific | 2022 |
| Chelton Brown Block Management Limited | Real estate | 2023 |
| Chelton Brown Holdings Limited | Financial services | 2021 |
| Chelton Brown Investments Limited | Real estate | 2020 |
| Chelton Brown Maintenance Limited | Construction | 2025 |
| Chemence Graphics UK Limited | Manufacturing | 1978 |
| Chen's Clinic Ltd | Wholesale & retail | 2016 |
| Chenade Mitchell Developments Limited | Real estate | 2018 |
| Cheney & Co Company Secretary Limited | Administrative & support | 2019 |
| Cheney & Co Unlimited | Professional & scientific | 2017 |
| Chenry Services Ltd | Real estate | 2019 |
| Chens Food Express Limited | Wholesale & retail | 2025 |
| Cheqme Ltd | Administrative & support | 2019 |
| Chequers Retail Limited | Extraterritorial | 2026 |
| Cherished Lawn Care Limited | Administrative & support | 2025 |
| Cherries Healthcare Services Ltd | Health & social care | 2024 |
| Cherry Blossom Cocktail Bar Ltd | Hospitality | 2025 |
| Cherry Bookkeeping Ltd | Professional & scientific | 2018 |
| Cherry Care Services Limited | Health & social care | 2010 |
| Cherry Finance Ltd | Professional & scientific | 2014 |
| Cherry Marketing Limited | Professional & scientific | 1995 |
| Cherry Orchard (Northampton) Flat Management Limited | Households | 2012 |
| Cherry Orchard Court (High Wycombe) Residents Association Limited(The) | Households | 1984 |
| Cherry's Healthcare Limited | Health & social care | 2020 |
| Cherubim Care Services Ltd | Health & social care | 2021 |
| Chesed Haven CIC | Health & social care | 2025 |
| Cheshire Plato LLP | | 2004 |
| Chess Consultants Ltd | Public administration | 2025 |
| Chester Property Partners Ltd | Real estate | 2022 |
| Chesters Chicken Northampton Ltd | Hospitality | 2025 |
| Chestnut Homecare Limited | Other services | 2009 |
| Chestnutbay Acquisitionco Limited | Professional & scientific | 2007 |
| Chestnutbay Limited | Extraterritorial | 2001 |
| Chetwyn Partners Limited | Real estate | 2016 |
| Chewatts Limited | Information & communication | 2009 |
| CHI Integrative Clinic Limited | Education | 2026 |
| CHI2 Construct Limited | Construction | 2023 |
| Chiantis Hair Ltd | Other services | 2018 |
| Chic Stone Limited | Manufacturing | 2012 |
| Chichele Street Management Company Limited | Real estate | 1992 |
| Chick 'N Sours Limited | Hospitality | 2014 |
| Chicken & Chips Ltd | Hospitality | 2008 |
| Chicken 4 U Npton Ltd | Hospitality | 2022 |
| Chief Properties Limited | Other services | 2018 |
| Chiefhive Ltd | Wholesale & retail | 2025 |
| Chignell Ltd | Professional & scientific | 2024 |
| Chihera Care Services Limited | Health & social care | 2015 |
| Child 1ST (Stoke) Ltd | Education | 2009 |
| Child 1ST Day Nursery (Stoke) Limited | Education | 2019 |
| Child, Adolescent & Family Psychology Ltd | Administrative & support | 2015 |
| Children & Adolescents Placement Provisions Ltd | Health & social care | 2016 |
| Childrenscare Ltd | Education | 2026 |
| Chill Maintenance Ltd | Professional & scientific | 2025 |
| Chilli Bugs Hot Sauces Limited | Hospitality | 2010 |
| Chilli Spa Ltd | Hospitality | 2024 |
| Chilocal Ltd | Professional & scientific | 2026 |
| Chiltern Accountants Limited | Professional & scientific | 2021 |
| Chiltern and Porlock Flat Management Company Limited | Real estate | 1984 |
| Chiltern Bakeries Limited | Manufacturing | 2001 |
| Chiltern Project Management Ltd | Professional & scientific | 2007 |
| Chimeok Limited | Health & social care | 2017 |
| Chimney Services Limited | Construction | 2016 |
| Chims' Consulting Ltd | Hospitality | 2023 |
| China Spice Ltd | Hospitality | 2025 |
| China Star Chinese Takeaway Ltd | Hospitality | 2023 |
| China Star Northampton Ltd | Hospitality | 2025 |
| China UK Students Union Ltd | Education | 2018 |
| Chintex Limited | Administrative & support | 2016 |
| Chip W Limited | Arts & recreation | 2022 |
| Chipping Ltd | Wholesale & retail | 2017 |
| Chipping Manor Dental Practice Limited | Health & social care | 2008 |
| Chirculescu Claudiu Ltd | Transport & logistics | 2023 |
| Chiriac Madalin Ltd | Wholesale & retail | 2016 |
| Chiro Property Investment Ltd | Real estate | 2025 |
| Chiron Healthcare at Home Limited | Health & social care | 2019 |
| Chithub Limited | Information & communication | 2024 |
| Chito Procare and Decor Limited | Construction | 2025 |
| Chizaram Ltd | Professional & scientific | 2026 |
| CHL Brothers Ltd | Households | 2024 |
| Chla Limited | Administrative & support | 2015 |
| Chloemhartist Ltd | Arts & recreation | 2025 |
| Chlorine Dioxide Limited | Professional & scientific | 2011 |
| Choco Loco Ltd | Hospitality | 2025 |
| Chocolate Engineering Ltd | Manufacturing | 2018 |
| Choiceproject Property Management Limited | Real estate | 1989 |
| Cholabest Limited | Transport & logistics | 2024 |
| Chollie Properties Ltd | Real estate | 2018 |
| CHOOSE2B Limited | Administrative & support | 2005 |
| Chop Life Music Ltd | Information & communication | 2020 |
| Chorlton Private Dental Practice LLP | | 2009 |