| Choicestream (Holdings) Limited | Professional & scientific | 2003 |
| Choose Your Print Ltd | Manufacturing | 2023 |
| Chop Chop Couriers Ltd | Transport & logistics | 2018 |
| Chop Chop Logistics Ltd | Transport & logistics | 2023 |
| Chopam Foods and Beverages Ltd | Hospitality | 2026 |
| Chopstix (Midlands) Limited | Hospitality | 2018 |
| Chops’N’Snacks Ltd | Hospitality | 2026 |
| Choudhary Houses Ltd | Real estate | 2024 |
| Chowdhury & Sons Ltd | Hospitality | 2022 |
| CHP Energy NO.1 Limited | Energy | 2021 |
| Chris Afro Carribean Foods Limited | Hospitality | 2025 |
| Chris Fowler Builders & Developers Ltd | Construction | 2018 |
| Chris Harrison (UK) Ltd | Manufacturing | 2013 |
| Chris Johnson Design Ltd | Professional & scientific | 2014 |
| Chris Lewis Fuels Consultancy Ltd. | Professional & scientific | 2015 |
| Chris Phillips Properties Limited | Real estate | 2004 |
| Chris Plant Mountaineering Ltd | Arts & recreation | 2019 |
| Chris Simons Wealth Management Ltd | Financial services | 2021 |
| Chris Simpson Electrical Services (Derby) Ltd | Construction | 2017 |
| Chris Thornton Plumbing Limited | Construction | 2003 |
| Chrisalis Developments Limited | Construction | 2007 |
| Christ Central Churches Worldwide | Other services | 2012 |
| Christ Church Chambers Ltd | Professional & scientific | 2022 |
| Christ Church Derby | Other services | 2010 |
| Christ the Living Word Apostolic Ministry CIC | Education | 2026 |
| Christadelphian Meal a Day Fund | Health & social care | 2009 |
| Christian Howitt Properties Limited | Real estate | 2024 |
| Christianhood Limited | Wholesale & retail | 2017 |
| Christina James Properties Ltd | Real estate | 2026 |
| Christmas Gifts Ltd | Wholesale & retail | 2025 |
| Christopher Clarke Limited | Financial services | 2006 |
| Christopher J Daniel Hair Limited | Other services | 2022 |
| Christopher J. Jones Limited | Financial services | 2003 |
| Christopher Murratt Limited | Financial services | 2005 |
| Chroma Dental Laboratory Ltd | Health & social care | 2014 |
| Chrome Yard Limited | Real estate | 2018 |
| Chrysalis Wealth Management Ltd | Financial services | 2015 |
| CHS Brickworks Ltd | Construction | 2017 |
| Chubb Fire Security Limited | Professional & scientific | 1963 |
| Chubbys Pizza Ltd | Hospitality | 2023 |
| Church Events Group Ltd | Arts & recreation | 2020 |
| Church Street 2021 Management Limited | Construction | 2022 |
| Church View (Coppull) Management Company Limited | Households | 2024 |
| Church View Willington Management Company Limited | Households | 2018 |
| Chusho Ltd | Other services | 2026 |
| Chusi Weng Limited | Wholesale & retail | 2026 |
| Ci-Rem Studios Ltd | Information & communication | 2014 |
| Ciao Services Ltd | Wholesale & retail | 2020 |
| Ciao Taste LA Difference Limited | Hospitality | 2010 |
| CIB Motors Ltd | Wholesale & retail | 2023 |
| Cielo International Limited | Professional & scientific | 2015 |
| Cima Holding Ltd | Financial services | 2018 |
| Cineframe Ltd | Professional & scientific | 2022 |
| Cinqo Rios Ltd | Transport & logistics | 2026 |
| CIR Investments Ltd | Real estate | 2025 |
| Circe Piercings Limited | Other services | 2022 |
| Circle PT Training Academy Limited | Arts & recreation | 2026 |
| Circuit Stellar UK Trading Limited | Wholesale & retail | 2022 |
| Circulayo Limited | Information & communication | 2021 |
| Cirk Healthcare Ltd | Public administration | 2019 |
| Cirotransport Ltd | Transport & logistics | 2023 |
| Cirrus Consulting (Europe) Limited | Professional & scientific | 2008 |
| Cirrus Professional Services Limited | Professional & scientific | 2009 |
| Citrine (Eco) Ltd | Agriculture & fishing | 2021 |
| Citron (Eco) Ltd | Agriculture & fishing | 2021 |
| Citrus Hair & Beauty Limited | Other services | 2008 |
| City Estates (Derby) Ltd | Real estate | 2013 |
| City Fields (Wakefield) Management Company Limited | Households | 2017 |
| City Hall Developments Ltd | Real estate | 2007 |
| City Interiors (Midlands) Limited | Construction | 2007 |
| City Life Stays Ltd | Real estate | 2024 |
| City Mini Market Derby Ltd | Wholesale & retail | 2026 |
| City Mini Market Midland Ltd | Wholesale & retail | 2024 |
| City Mini MIX (Notts) Limited | Extraterritorial | 2007 |
| City Pizza Derby Limited | Hospitality | 2024 |
| City Properties (Derby) Limited | Real estate | 2002 |
| City Walk (Derby) Limited | Real estate | 2008 |
| City Walk Slack Lane Management Limited | Real estate | 2004 |
| Citygate Properties (Derby) Limited | Construction | 2013 |
| Cityink Express Limited | Wholesale & retail | 2006 |
| Cityway Rides Ltd | Transport & logistics | 2025 |
| CJ Catering Ltd | Hospitality | 2023 |
| CJ Goodwill Professional Services Limited | Professional & scientific | 2025 |
| CJ Itech Limited | Information & communication | 2022 |
| CJ Legal Limited | Professional & scientific | 2020 |
| CJ Mechanical Services Limited | Water & waste | 2012 |
| CJ Normandie Limited | Real estate | 2025 |
| CJ Palmer Limited | Construction | 2019 |
| CJA Commercial Limited | Real estate | 2025 |
| CJB Estates Ltd | Real estate | 2026 |
| Cjbos@Uk Ltd | Administrative & support | 2026 |
| CJC Cladding and Roofing Ltd | Construction | 2021 |
| CJE Engineering (Derby) Limited | Construction | 2013 |
| CJG Evolutions (Residential) Ltd | Real estate | 2025 |
| CJG Plumbing & Heating Ltd | Construction | 2023 |
| CJH Residential Limited | Real estate | 2016 |
| CJI Estates Ltd | Real estate | 2026 |
| CJM Property Group Ltd | Real estate | 2019 |
| Cjmh Property Group Ltd | Real estate | 2024 |
| CJQ Limited | Professional & scientific | 2025 |