| Crafted Canvas Ltd | Manufacturing | 2023 |
| Crafter's Companion 2024 LLP | | 2024 |
| Craig Bell Ltd | Construction | 2014 |
| Craig Elenor Equestrian Ltd | Agriculture & fishing | 2014 |
| Craig K Electrical Limited | Construction | 2016 |
| Crambeck Court Management Limited | Households | 2000 |
| Cramlington Developments Limited | Construction | 1961 |
| Crams Window Cleaning Ltd | Administrative & support | 2025 |
| Cranbrook Joinery Limited | Construction | 2016 |
| Crane & Walker Developments Ltd | Construction | 2015 |
| Crane Engineers Limited | Other services | 2007 |
| Craven CC Ltd | Arts & recreation | 2025 |
| Craven Communications Limited | Professional & scientific | 2022 |
| Craxton Wood Developments Limited | Other services | 1968 |
| Craymoor Exhold Limited | Extraterritorial | 2026 |
| CRE Maintenance Services Ltd | Construction | 2023 |
| Crease Strickland Parkins Limited | Professional & scientific | 1990 |
| Creased Puddle Ltd | Professional & scientific | 2019 |
| Creaser Plumbing & Heating Limited | Construction | 2013 |
| Create Living Developments Ltd | Real estate | 2021 |
| Create Property Management Limited | Construction | 2023 |
| Created in Yorkshire Limited | Extraterritorial | 2022 |
| Creating Impact Sustainability Consultancy Ltd | Professional & scientific | 2026 |
| Creative Arts Promotion Ltd. | Professional & scientific | 2003 |
| Creative AV Solutions Ltd | Construction | 2022 |
| Creative Coliseum Limited | Education | 2025 |
| Creative Copy Writers Limited | Other services | 2013 |
| Creative Timbercraft Ltd | Extraterritorial | 2017 |
| Creativity Consultants Ltd | Professional & scientific | 2022 |
| Creator Unfiltered Ltd | Information & communication | 2025 |
| Crecation Limited | Professional & scientific | 2026 |
| Crescent Architects Limited | Professional & scientific | 2017 |
| Crescent Court (York) Limited | Households | 2023 |
| Crescent Developments (York) Limited | Construction | 2017 |
| Crescent Properties (York) Ltd | Real estate | 2021 |
| Cresswellshawe Properties Limited | Extraterritorial | 1960 |
| Crew Hairdressing Limited | Other services | 2011 |
| Crexbourne Limited | Real estate | 1978 |
| Crib Ltd | Real estate | 2022 |
| Cricketer Farm | Real estate | 1978 |
| Cricketers Green (Forton) Residents Management Company Limited | Real estate | 2023 |
| Crief Trading Ltd | Hospitality | 2005 |
| Criminally Good Books Ltd | Wholesale & retail | 2023 |
| Crisp Costs Ltd | Professional & scientific | 2024 |
| Crispy Duck York Ltd | Hospitality | 2017 |
| Critical Friend Partnership Limited | Professional & scientific | 2019 |
| CRM (North East) Limited | Wholesale & retail | 2003 |
| CRM Management Limited | Professional & scientific | 2017 |
| Crocatile (Chesterfield) Limited | Wholesale & retail | 2014 |
| Croft Coaching & Consulting Limited | Professional & scientific | 2025 |
| Croft Equestrian Ltd | Financial services | 2023 |
| Croft Kitchen Catering Ltd | Hospitality | 2014 |
| Crofton Walk (Fair Oak) Management Company Limited | Real estate | 2018 |
| Crolla Town Planning Ltd | Professional & scientific | 2019 |
| Crombie Wilkinson Services Limited | Administrative & support | 2014 |
| Crombie Wilkinson Solicitors LLP | | 2010 |
| Cromiard Limited | Administrative & support | 2010 |
| Cromwell Gardens (Huntingdon) Residents Management Company Limited | Households | 2018 |
| Cromwell Road Management Company Limited | Households | 1992 |
| Cromwell Wharf & Lockside Management Company Limited | Households | 2025 |
| Cronkhill Properties Limited | Real estate | 1999 |
| Cronos Investment Management Limited | Financial services | 2025 |
| Crooked Brewing Limited | Manufacturing | 2016 |
| Crop Health and Protection Limited | Agriculture & fishing | 2015 |
| Cropsure Limited | Agriculture & fishing | 2017 |
| Cropwatch Limited | Agriculture & fishing | 2019 |
| Crosby Decorators Limited | Construction | 2015 |
| Crosby Developments (York) Limited | Construction | 2010 |
| Crosby Lets York Ltd | Hospitality | 2017 |
| Cross Court Analytics Ltd | Arts & recreation | 2020 |
| Cross Keys Locks Limited | Wholesale & retail | 2009 |
| Crossco (1377) Limited | Real estate | 2014 |
| Crossing the Chasm Limited | Administrative & support | 2017 |
| Crossley Group Ltd | Financial services | 2018 |
| Crossley Property Solutions Ltd | Real estate | 2019 |
| Crossley Tyres Limited | Water & waste | 2009 |
| Crossmile Limited | Real estate | 2002 |
| Crossroads Garage (Selby) Ltd | Wholesale & retail | 2011 |
| Crowbell Europe Limited | Professional & scientific | 2009 |
| Crowbell Limited | Professional & scientific | 2003 |
| Crowberry Wood 2024 Ltd | Wholesale & retail | 2024 |
| Crowdline Group Ltd | Hospitality | 2026 |
| Crown Exchange Construction Limited | Construction | 1987 |
| Crown Point Corporate Finance Limited | Professional & scientific | 2020 |
| Crown School of Motoring Ltd | Education | 2025 |
| Crownfield Court (Windlesham) Management Company Limited | Households | 2025 |
| Crowther Homes (Darlington) Limited | Extraterritorial | 1992 |
| Crowther Homes (Midland) Limited | Professional & scientific | 1995 |
| Crowther Homes (Nat.W) Limited | Extraterritorial | 1995 |
| Crowther Homes (Yarm) Limited | Extraterritorial | 1988 |
| Crowther Homes Limited | Extraterritorial | 1941 |
| CRP Consultants ( Yorkshire) Ltd | Professional & scientific | 2021 |
| Crucible Cycles Limited | Wholesale & retail | 2018 |
| Crucible Technologies Ltd | Professional & scientific | 1994 |
| Cruisecloud Ltd | Information & communication | 2025 |
| Crumb the Revolution Ltd | Manufacturing | 2018 |
| CRW Projects Ltd. | Other services | 1997 |
| Crygo Limited | Professional & scientific | 2015 |
| Crystal Clean Windows York Limited | Hospitality | 2018 |
| Crystal PAY Limited | Professional & scientific | 2024 |