| Callum Crew Creative Ltd | Professional & scientific | 2022 |
| Callum Mackenzie Limited | Extraterritorial | 2008 |
| Callum Mcdonnell Ltd | Wholesale & retail | 2021 |
| Calluna Capital Ltd | Financial services | 2020 |
| Callycap Limited | Professional & scientific | 2023 |
| Calm Amid Chaos Therapy Limited | Health & social care | 2024 |
| Calm Thermal Limited | Construction | 2025 |
| Calmac Electrical Ltd | Extraterritorial | 2020 |
| Calmbay Limited | Real estate | 2000 |
| Calmsheer Limited | Construction | 1982 |
| Calmwater Limited | Professional & scientific | 2009 |
| Caloba Limited | Transport & logistics | 1986 |
| Caloh Concept Ltd | Real estate | 2019 |
| Calt Properties Limited | Households | 2025 |
| Calyo Limited | Information & communication | 2019 |
| Calypso Bathrooms Ltd | Extraterritorial | 2021 |
| Calypso Kitchens Ltd | Extraterritorial | 2021 |
| Calyx Environmental Ltd | Professional & scientific | 2013 |
| CAM Advisory Services Ltd | Professional & scientific | 2025 |
| Camb Machine Knives International Limited | Manufacturing | 2014 |
| Camberley Apartments Limited | Real estate | 2007 |
| Camberwell Chicken Shack Limited | Real estate | 2017 |
| Cambodia Consulting Ltd | Professional & scientific | 2019 |
| Cambrian Contracting Ltd | Construction | 2020 |
| Cambridge Biscuit Company Ltd | Other services | 2024 |
| Cambridge Business Lawyers LLP | | 2016 |
| Cambridge Court (Bristol) Limited | Households | 1987 |
| Cambridge Court (Wrington) Amenity Limited | Other services | 1992 |
| Cambridge ENT Ltd | Extraterritorial | 2018 |
| Cambridge House (Redland Road Bristol) Management Company Limited | Real estate | 2003 |
| Cambridge House (Wrington) Management Company Limited | Households | 1993 |
| Cambridge Machine Learning Ltd | Information & communication | 2013 |
| Cambridge Micro Applications (1985) Limited | Real estate | 1985 |
| Cambridge Mobile Telematics UK Ltd. | Information & communication | 2025 |
| Cambridge Park (NO. 1) Management Company Limited | Households | 1985 |
| Cambridge Petroleum Royalties Limited | Financial services | 1998 |
| Cambridge Scholastics Ltd | Extraterritorial | 2021 |
| Cambridge Skin & Laser Clinic Ltd | Extraterritorial | 2024 |
| Camdem Carpentry and Build Limited | Manufacturing | 2021 |
| CAMELLEON83 Transport Ltd | Transport & logistics | 2015 |
| Camellia Property Ltd | Real estate | 2025 |
| Camelot House Flats Management Company Limited | Administrative & support | 2010 |
| Cameraforensics Ltd | Information & communication | 2011 |
| Cameratrac Limited | Manufacturing | 2013 |
| Camerista Limited | Wholesale & retail | 2025 |
| Cameron Balloons Limited | Manufacturing | 1971 |
| Cameron Building Development Ltd | Construction | 2005 |
| Cameron Building Services Limited | Construction | 2002 |
| Cameron Change Consultancy Ltd | Professional & scientific | 2003 |
| Cameron Cooling Limited | Construction | 2007 |
| Cameron Fabric Engineering Ltd | Manufacturing | 1982 |
| Cameron Gordon Ltd. | Professional & scientific | 1996 |
| Cameron Holdings Limited | Financial services | 1992 |
| Cameron Investments Limited | Real estate | 2001 |
| Cameron LEE Carpets Bristol Limited | Wholesale & retail | 2013 |
| Cameron Property Limited | Real estate | 2010 |
| Cameron Quality Care Limited | Health & social care | 2015 |
| Cameron Services Ltd | Administrative & support | 2025 |
| Cameron-Shearer Limited | Professional & scientific | 2018 |
| Camhun Accounting Ltd | Professional & scientific | 2017 |
| Camielr Limited | Health & social care | 2022 |
| Camino Residential Property Sales Limited | Real estate | 2024 |
| Camleigh Limited | Health & social care | 2021 |
| Campaign & Crown Ltd | Manufacturing | 2026 |
| Campbell & Black Property Ltd | Real estate | 2025 |
| Campbell & Horseman Mortgages Ltd | Financial services | 2021 |
| Campbell - Lewis Limited | Financial services | 2010 |
| Campbell and Walsh Holdings Ltd | Professional & scientific | 2025 |
| Campbell Family Holdings Limited | Real estate | 2021 |
| Campbell Farm Limited | Administrative & support | 1999 |
| Campbell Hunter Limited | Administrative & support | 2019 |
| Campbell-Jones and Company Ltd | Professional & scientific | 2017 |
| Campbells Foot Specialist Ltd | Extraterritorial | 2026 |
| Campbells Railway Ltd | Construction | 2024 |
| Campbells Services (UK) Limited | Administrative & support | 2026 |
| Camperfam Limited | Other services | 2021 |
| Campers & Leisure Limited | Wholesale & retail | 2000 |
| Camping in the Forest LLP | | 2011 |
| Campus Mart Limited | Wholesale & retail | 2024 |
| Campus Numerics Limited | Education | 2025 |
| Campus Services Limited | Extraterritorial | 1990 |
| Campus Skateparks CIC | Wholesale & retail | 2011 |
| Campus Trading Limited | Wholesale & retail | 2015 |
| Campusdoctor Ltd | Information & communication | 2018 |
| Camree Park Investments Limited | Real estate | 2002 |
| Cams-Care UK Limited | Education | 2019 |
| Camshaft Limited | Manufacturing | 2004 |
| Camte Services Ltd | Construction | 2011 |
| Camvell Ltd | Information & communication | 2015 |
| Camzam Health Care and Consulting Ltd | Health & social care | 2018 |
| CAN DO Services Ltd | Information & communication | 2025 |
| CAN West Holdings Ltd | Financial services | 2022 |
| CAN West Services Limited | Manufacturing | 2013 |
| Can'T Dance Ltd | Hospitality | 2020 |
| Can-Do-Zone Limited | Information & communication | 1998 |
| Can.Bristol Ltd | Hospitality | 2020 |
| Canab Driver Limited | Administrative & support | 2019 |
| Canack Limited | Professional & scientific | 2019 |
| Canadex Ltd | Professional & scientific | 2001 |
| Canaima Drilling Limited | Professional & scientific | 2023 |