| Cafe Verde 82 Limited | Hospitality | 2021 |
| Caffe Incontro Limited | Hospitality | 2022 |
| CAL Holdings Limited | Financial services | 2015 |
| CALCUL8 Consulting Ltd | Professional & scientific | 2024 |
| Calder Joinery Service Ltd | Construction | 2020 |
| Calderbank Heating Ltd | Construction | 2008 |
| Calice Divino Wines Ltd | Wholesale & retail | 2025 |
| Call HER Aesthetics Ltd | Health & social care | 2025 |
| Calm in the Wild CIC | Education | 2025 |
| Calv Inns Limited | Hospitality | 2018 |
| Calvert & Starkey Limited | Financial services | 2019 |
| Calvert Construction Projects Limited | Construction | 2026 |
| Calvert Homes (Cononley) Ltd | Construction | 2020 |
| Calvert UK Group Limited | Construction | 2026 |
| Calverts Financial Solutions Ltd | Financial services | 2010 |
| Calvin Knight Limited | Manufacturing | 2023 |
| Cameron Associates LLP | | 2013 |
| Camit Design Ltd | Manufacturing | 2018 |
| Campbell Care Limited | Health & social care | 2018 |
| Campbell J Limited | Wholesale & retail | 2013 |
| Camper Junkie Ltd | Information & communication | 2020 |
| Camper Van Essentials Limited | Wholesale & retail | 2025 |
| Capital Leak Specialist Ltd | Construction | 2026 |
| Capstick Construction & Joinery Limited | Construction | 2013 |
| Capstick Construction Ltd | Construction | 2019 |
| Car Showroom Limited | Wholesale & retail | 2020 |
| Caravan DAN Limited | Wholesale & retail | 2015 |
| Care Business School Ltd | Professional & scientific | 2026 |
| Care Dynamics (Yorkshire) Limited | Health & social care | 2010 |
| Care Konnect Group Ltd | Health & social care | 2024 |
| Care Quality Training Ltd | Professional & scientific | 2025 |
| Careconnect Staffing Solutions Ltd | Construction | 2023 |
| Carefree Mortgage Solutions Limited | Financial services | 2006 |
| Carib Quest Ltd | Hospitality | 2005 |
| Carmeleon Holdings Ltd | Wholesale & retail | 2022 |
| Carmeleon Paint & Refinishing Supplies Ltd | Wholesale & retail | 2020 |
| Caroline Carter Ltd | Administrative & support | 2012 |
| Caroline Wilson Wellness Ltd | Other services | 2025 |
| Carpetmonster Ltd | Wholesale & retail | 2017 |
| Carryfresh Bradford Ltd | Wholesale & retail | 2025 |
| Carryfresh Foods UK Ltd | Wholesale & retail | 2026 |
| Carryfresh Huddersfield Ltd | Wholesale & retail | 2025 |
| Carryfreshuk Ltd | Wholesale & retail | 2024 |
| Carter Independent Traders Ltd | Wholesale & retail | 2026 |
| Carter Publishing Ltd | Information & communication | 2024 |
| Carvery Taverns Limited | Extraterritorial | 2018 |
| Casa Design & Build Limited | Construction | 2015 |
| Casa Nostra (Scissett ) Ltd | Hospitality | 2019 |
| Cat Flap Fitters Yorkshire Ltd | Construction | 2026 |
| Cater Asia Limited | Hospitality | 2013 |
| Caterpillar Catering Ltd | Hospitality | 2016 |
| Catherine Education Consultancy Services Ltd | Wholesale & retail | 2024 |
| Cavendish Kitchens & Bathrooms Keighley Limited | Wholesale & retail | 2015 |
| CC Property(Yorkshire) Ltd | Administrative & support | 2017 |
| Cdrt Limited | Real estate | 2002 |
| CDY Elite Couture Limited | Wholesale & retail | 2023 |
| Cd’S Infinite Ltd | Transport & logistics | 2024 |
| CEC Industrial Limited | Wholesale & retail | 2010 |
| Cemswork Limited | Health & social care | 2017 |
| Centenary Square Limited | Real estate | 2010 |
| Central Fitness Ladies Limited | Other services | 2015 |
| Central Fitness Limited | Arts & recreation | 2008 |
| Central Iron Works Ltd | Real estate | 2024 |
| Central PH Limited | Transport & logistics | 2016 |
| Central Source Ltd | Other services | 2023 |
| Central Supplements Limited | Other services | 2015 |
| Centriflow Services Limited | Professional & scientific | 1995 |
| Centurion Fire Group (UK) Ltd | Construction | 2026 |
| CF Restaurant Ltd | Hospitality | 2025 |
| CG Global Limited | Administrative & support | 2021 |
| CGM Holdings Limited | Financial services | 2020 |
| CH Machine Tool Solutions Limited | Manufacturing | 2017 |
| Chaffer & Hudson Pubs Ltd | Hospitality | 2025 |
| Chaggar Investments Limited | Professional & scientific | 2006 |
| Chakirimedical Limited | Public administration | 2018 |
| Chameleon Entertainment Ltd | Arts & recreation | 2023 |
| Chamleys Limited | Wholesale & retail | 2021 |
| Changeism Ltd | Professional & scientific | 2019 |
| Chantedge Limited | Households | 1997 |
| Chapel Laurels Park Limited | Extraterritorial | 2024 |
| Chapel Walk Management Company Limited | Households | 2007 |
| Chapter 1 Care Ltd | Health & social care | 2025 |
| Charles Court Management (Oxenhope) Limited | Households | 1988 |
| Charles Darren Holdings Limited | Financial services | 2026 |
| Charles Kent Investments Limited | Professional & scientific | 2000 |
| Charlotte Victoria Ltd | Hospitality | 2017 |
| Charlotte Victoria Properties Limited | Real estate | 2023 |
| Charrian Transport Ltd | Transport & logistics | 2026 |
| Chartback Limited | Real estate | 1993 |
| Chase (Boroughbridge) Maintenance Limited(The) | Real estate | 1984 |
| Chatsworth Stone GRC Cladding Ltd | Manufacturing | 2020 |
| Chaudary Limited | Manufacturing | 2021 |
| CHB Engineering Ltd | Manufacturing | 2019 |
| Checkin Cheers Ltd | Wholesale & retail | 2026 |
| Cheezious Munch Ltd | Hospitality | 2026 |
| Chef Akila Ltd | Manufacturing | 2018 |
| Chelker Automation Limited | Manufacturing | 2019 |
| Chelker Design Limited | Professional & scientific | 2019 |
| Chemwaste Disposals Limited | Water & waste | 2025 |
| Cherrytree Skincare Limited | Extraterritorial | 2020 |