| Calm Slate Farm Limited | Extraterritorial | 2013 |
| Calmon Portugal Limited | Professional & scientific | 1990 |
| Calow Green Farm Limited | Agriculture & fishing | 1946 |
| Calum Torbett Creative Ltd | Arts & recreation | 2024 |
| Calvag Agricultural Services | Administrative & support | 2009 |
| Camp Thornton Limited | Hospitality | 2018 |
| Canalside Construction Ltd | Professional & scientific | 2011 |
| Canalside Fitness Ltd | Arts & recreation | 2009 |
| Candelisa CHF Limited | Construction | 2023 |
| Candelisa Drill Hall Limited | Construction | 2021 |
| Candelisa Limited | Construction | 2008 |
| Candelisa Whittington Limited | Construction | 2023 |
| Candy Aesthetics Ltd | Other services | 2021 |
| Capesso Consultancy Limited | Information & communication | 2002 |
| Capi Consultants Limited | Other services | 2015 |
| Capidale Limited | Professional & scientific | 2011 |
| Capital Fire & Compliance Ltd | Construction | 2026 |
| Capital Fire Risk Assessment Surveys UK Ltd | Public administration | 2020 |
| Capitol Healthcare Recruitment Limited | Administrative & support | 2025 |
| Captain Skipton Gaming Ltd | Information & communication | 2020 |
| Carbon Reduction Consultancy Ltd | Administrative & support | 2023 |
| Care Select(Nw) Limited | Health & social care | 2025 |
| Career Bolide Limited | Information & communication | 2014 |
| Careful Healthcare Ltd | Public administration | 2022 |
| CARHIRE247 Ltd | Wholesale & retail | 2025 |
| Carla Beck House Management Limited | Households | 2003 |
| Carleton Business Park (Skipton) Limited | Real estate | 1989 |
| Carleton Cosmetic Clinic Ltd | Health & social care | 2026 |
| Carleton Kennels Limited | Agriculture & fishing | 2003 |
| Carleton Park Management Company One Limited | Households | 1988 |
| Carleton Park Management Company Two Limited | Real estate | 1989 |
| Carleton Properties Limited | Real estate | 2017 |
| Carleton Store Limited | Wholesale & retail | 2015 |
| Carling & Carling Properties Limited | Real estate | 2006 |
| Carling Jones Limited | Real estate | 2013 |
| Carling Land & Property Limited | Real estate | 2009 |
| Carling Reinforcements Ltd | Construction | 2022 |
| Carlton Court Management Company (Teignmouth) Limited | Real estate | 1991 |
| Carnforth Railway Restoration and Engineering Services Limited | Administrative & support | 1992 |
| Caroline House Skipton Management Company Limited | Households | 2015 |
| Carpaccio Limited | Real estate | 2016 |
| Carr's Joinery Limited | Construction | 2011 |
| Carr's Windows Limited | Manufacturing | 2010 |
| Carved HOG Ltd | Hospitality | 2025 |
| Cashmere Direct Limited | Wholesale & retail | 2020 |
| Cashmere Holding (UK) Ltd | Wholesale & retail | 2025 |
| Cast Learning Solutions Limited | Professional & scientific | 2021 |
| Castle Janitorial Ltd | Extraterritorial | 2023 |
| Castle View Consulting Limited | Professional & scientific | 2010 |
| Catch the Sun Limited | Administrative & support | 2014 |
| Catenian Investments Limited | Real estate | 2001 |
| Catgill Campsite Limited | Hospitality | 2015 |
| Cavendish Quarter Limited | Construction | 2020 |
| Cavendish Quarter Management Company Limited | Extraterritorial | 2020 |
| Cawden Barn Consulting Limited | Professional & scientific | 2025 |
| Cawden Barn Limited | Hospitality | 2020 |
| Cawder Property Limited | Real estate | 2022 |
| Cawood Alternative Assets FIC Limited | Financial services | 2026 |
| Cawood Estates FIC Limited | Financial services | 2026 |
| CBF Capital Ltd | Financial services | 2005 |
| CCM Auctions Limited | Extraterritorial | 2003 |
| CCM Farm Services Limited | Extraterritorial | 1999 |
| CCM Quality Foods Limited | Extraterritorial | 2003 |
| CDF Limited | Wholesale & retail | 1997 |
| CDN Business Services Ltd | Professional & scientific | 2017 |
| Centaur Management Consulting Limited | Professional & scientific | 2001 |
| Centre for Liminal Studies CIC | Professional & scientific | 2026 |
| CEO Consultancy Limited | Information & communication | 2009 |
| CGM Groundworks Ltd | Construction | 2025 |
| Charvo (Finishing) Limited | Manufacturing | 1984 |
| Charvo Industries Limited | Financial services | 1984 |
| Charvo Limited | Wholesale & retail | 1948 |
| Chatburn Pre-School Ltd | Education | 2007 |
| Chazey Partners International Holdings Limited | Professional & scientific | 2021 |
| Cheeky Monkey Films Limited | Information & communication | 2000 |
| Chelwood Business Finance Limited | Real estate | 2007 |
| Chen Properties (Yorkshire) Ltd | Real estate | 2024 |
| Cherry Tree Court (Bingley) Management Co Ltd | Administrative & support | 2001 |
| Cherry Tree Properties (Malham) Limited | Construction | 2020 |
| Cherry Tree Rentals Limited | Real estate | 2020 |
| Chevin Court Limited | Health & social care | 1997 |
| Chews Dairy Services Limited | Manufacturing | 2005 |
| Chic Hair Studio (Skipton) Limited | Other services | 2009 |
| Chic Rentals Skipton Limited | Other services | 2022 |
| Childs Brand Partners Limited | Manufacturing | 2021 |
| Chinese Domains Limited | Professional & scientific | 2004 |
| Chipmonks Limited | Health & social care | 2026 |
| Chloe Holgate Ltd | Education | 2023 |
| Chown Solutions Limited | Construction | 2021 |
| Chris Gallaghers Limited | Wholesale & retail | 2006 |
| Chris Hewitt Consultancy Ltd | Professional & scientific | 2018 |
| Chris Ward Corrugated Limited | Wholesale & retail | 2014 |
| Chris Watson and Sons Limited | Wholesale & retail | 2003 |
| Christine Buckley Ltd. | Other services | 2015 |
| Christopher Kennaugh Just Mortgages Ltd | Financial services | 2019 |
| Chroma Specialty Chemicals Europe Ltd | Manufacturing | 2020 |
| Chrysalis Arts Development Limited | Arts & recreation | 2007 |
| Circa Lifestyle Limited | Financial services | 2023 |
| Circlic | Professional & scientific | 2020 |
| City Forklift Trucks Limited | Manufacturing | 2001 |