| Bvgc Ltd | Real estate | 2025 |
| Bvgf Ltd | Professional & scientific | 2025 |
| Bvgne | Financial services | 2025 |
| Bvgp Ltd | Professional & scientific | 2025 |
| Bvgsa Ltd | Professional & scientific | 2025 |
| Bvgt Ltd | Professional & scientific | 2025 |
| C & S Dickinson Limited | Construction | 1988 |
| C W Britton and SON Limited | Agriculture & fishing | 2008 |
| C.H. Greensit Limited | Agriculture & fishing | 1983 |
| C.R. Chapman (Blois Hall) Limited | Agriculture & fishing | 1977 |
| CA Johnson & Sons Limited | Wholesale & retail | 2015 |
| CAB Glazing Ltd | Construction | 2018 |
| Cablespeed Limited | Wholesale & retail | 2004 |
| Cadec Limited | Professional & scientific | 2006 |
| Caenby Limited | Professional & scientific | 2013 |
| Cafe Thierre Ltd | Hospitality | 2026 |
| CAI Catering Ltd | Hospitality | 2024 |
| Call Plan Solutions Limited | Information & communication | 2004 |
| Callum Real Estate Limited | Real estate | 2003 |
| Canalside Cars Ltd | Wholesale & retail | 2023 |
| Canalside Developments (Yorkshire) Limited | Real estate | 2001 |
| Capabilityhr Limited | Administrative & support | 2024 |
| Capax Security Limited | Financial services | 2026 |
| Capture Business Finance Ltd | Financial services | 2024 |
| Cardale Automotive Ltd | Wholesale & retail | 2023 |
| Cardale Classics Ltd | Wholesale & retail | 2025 |
| Cardale Property Group Ltd | Households | 2025 |
| Cardinal Court (Masham) Limited | Real estate | 2013 |
| Cascade Water Gardens Ltd | Wholesale & retail | 2002 |
| Cashtan Ltd | Manufacturing | 2025 |
| Castle House (Horsforth) Ltd | Professional & scientific | 2006 |
| Castlevale Investments Limited | Construction | 2007 |
| Cathedral Chauffeurs Yorkshire Limited | Transport & logistics | 2016 |
| Cathedral Meadows (Ailcey Road) Limited | Households | 2019 |
| Cathedral Meadows RMC Ltd | Households | 2021 |
| Cathedral Osteopaths Limited | Health & social care | 2019 |
| Cathedral Safety Limited | Information & communication | 2023 |
| Cathedral Safety Services Ltd. | Information & communication | 2002 |
| Cathedral Vista Limited | Households | 2011 |
| Catherine Hannaway Associates Ltd | Professional & scientific | 2012 |
| Catnip Concierge Co. Ltd. | Other services | 2024 |
| Catton Village Green Management Limited | Households | 2017 |
| CE CE Associates Ltd | Administrative & support | 2024 |
| Cedartree Imports Limited | Wholesale & retail | 2009 |
| Central Technical Support Services Limited | Professional & scientific | 1994 |
| Centre Park Properties Limited | Real estate | 2016 |
| CER Optical Ltd | Professional & scientific | 2025 |
| Cerna Learn Ltd | Education | 2026 |
| CEW (Yorkshire) Limited | Hospitality | 2019 |
| CG Murphy Ltd | Information & communication | 2024 |
| Chalyn Ltd | Professional & scientific | 2023 |
| Chapel Hill Storage Ltd | Real estate | 2022 |
| Charles Kingsley Limited | Real estate | 2000 |
| Charlesworth Consultancy Limited | Professional & scientific | 2007 |
| Chef BEN Moore Ltd | Hospitality | 2025 |
| Chemistry Toolkit Limited | Education | 2026 |
| Chequer Barn Holdings Ltd | Manufacturing | 2025 |
| Chris Sutton Builders Limited | Construction | 2015 |
| Chrysalis Dyspraxia Awareness C.I.C. | Health & social care | 2021 |
| Chumbawamba Ltd | Wholesale & retail | 2026 |
| Citivale (Edinburgh) Limited | Construction | 2015 |
| Citivale Group Holdings Ltd | Financial services | 2021 |
| Citivale Partners Lime Jvco Ltd | Real estate | 2021 |
| Citivale Partners Limited | Real estate | 2017 |
| CJB Trading Group Ltd | Wholesale & retail | 2021 |
| Ckflies Ltd | Wholesale & retail | 2025 |
| Claire & Teds Ltd | Hospitality | 2017 |
| Claro Bees Limited | Other services | 2010 |
| Claro Hill Vets Ltd | Professional & scientific | 2022 |
| Clean Break Limited | Construction | 2005 |
| Clean Earth Community Carbon Solutions Ltd | Professional & scientific | 2023 |
| Clifton Castle Farms Limited | Agriculture & fishing | 2014 |
| Clips Entertainment Limited | Information & communication | 2025 |
| Cloud Nine Cleans Ltd | Administrative & support | 2024 |
| Clova Gardens Management Company (Ripon) Limited | Households | 1995 |
| CMG Classics Limited | Wholesale & retail | 2026 |
| Coact Health Limited | Professional & scientific | 2020 |
| Cockburn Farms Ltd | Agriculture & fishing | 2016 |
| Codiak Limited | Agriculture & fishing | 2024 |
| Coffee at Number 10 Ltd | Hospitality | 2021 |
| Colibra Limited | Professional & scientific | 2011 |
| College Court Ripon Ltd | Households | 2004 |
| Collis Recruitment Limited | Administrative & support | 2023 |
| Colour IT in Limited | Information & communication | 2009 |
| Comins Consulting Limited | Professional & scientific | 2023 |
| Community Football Assets Ltd | Information & communication | 2011 |
| Compass Property Group Limited | Real estate | 2016 |
| Compliance Enterprise Ltd | Administrative & support | 2023 |
| Copperwerx Ltd | Professional & scientific | 2020 |
| Core (Cable Contractors) Ltd | Construction | 2018 |
| Core Fitness (Ripon) Limited | Arts & recreation | 2017 |
| Core Trade Skills Ltd | Education | 2026 |
| Cornbell Property Holdings Ltd | Real estate | 2026 |
| Coronet 1 Ltd | Hospitality | 2023 |
| County Steel Supplies Limited | Wholesale & retail | 1992 |
| Covix Limited | Professional & scientific | 2023 |
| CPR Building Contractors Limited | Construction | 2014 |
| Cranes Forgework & Fabrication Ltd | Manufacturing | 2023 |
| Cranes Property Ripon Ltd | Real estate | 2026 |
| Craven & Craven Holdings Ltd | Manufacturing | 2022 |