| Calvic Enterprises Limited | Education | 2012 |
| Calvus Associates Limited | Professional & scientific | 2013 |
| Calyppo Ltd | Manufacturing | 2018 |
| Calypso Curry Catering Limited | Hospitality | 2023 |
| Calyx Security Services Ltd | Administrative & support | 2025 |
| Calé Cliniq Ltd | Wholesale & retail | 2026 |
| CAM Events & Consultancy Ltd | Professional & scientific | 2025 |
| Cambabest Limited | Wholesale & retail | 1978 |
| Cambacc Ltd | Professional & scientific | 2015 |
| Cambcol Ltd | Manufacturing | 2014 |
| Camberwell Property Services Limited | Real estate | 2014 |
| Cambrian Place 28 ST Pauls Square Management Company Limited | Households | 2015 |
| Cambrian Stone Limited | Mining & quarrying | 1981 |
| Cambridge Book Publishing WM Ltd | Wholesale & retail | 2026 |
| Cambridge Candid Academy Ltd | Education | 2023 |
| Cambridge College of Management and Studies Ltd | Education | 2025 |
| Cambridge Digital Media Ltd | Information & communication | 2020 |
| Cambridge Education & Sport Ltd | Administrative & support | 2018 |
| Cambridge Express Ltd | Hospitality | 2014 |
| Cambridge Professional Development Ltd. | Professional & scientific | 1981 |
| Cambridge Solicitors LLP | | 2013 |
| Cambridge Spectacle Co Ltd | Wholesale & retail | 2021 |
| Cambridge Supported Living Limited | Health & social care | 2015 |
| Cambro Building & Roofing Ltd | Construction | 2013 |
| Cambs Compressor Engineering Limited | Manufacturing | 1992 |
| Camdan's Laser LAB Ltd | Manufacturing | 2025 |
| Camden & Islington Estates Partnership Limited | Professional & scientific | 2004 |
| Camden & Islington Fundco 1 Limited | Health & social care | 2004 |
| Camden Hardchrome Limited | Manufacturing | 1983 |
| Camden Lofts Management Company Limited | Households | 2020 |
| Camden Street (Birmingham) Limited | Construction | 2017 |
| Camden Street Development Limited | Construction | 2010 |
| Camden Street Investment Limited | Real estate | 2025 |
| Camden Street Management Company Limited | Households | 2013 |
| Camden Tower Limited | Administrative & support | 2024 |
| Camden Works Management Limited | Households | 2025 |
| Camduo Limited | Hospitality | 2024 |
| Camedon Concerns Ltd | Hospitality | 2007 |
| Camedon Limited | Hospitality | 2004 |
| Camel Foundation | Education | 2015 |
| Camel Security Ltd | Administrative & support | 2017 |
| Camelot Investments Limited | Real estate | 2006 |
| Camelot Rest Home Limited | Health & social care | 2012 |
| Cameo Catering Ltd | Hospitality | 2025 |
| Cameo Relocations Ltd | Hospitality | 2021 |
| Camera Architecture Ltd | Professional & scientific | 2021 |
| Camera Cone Limited | Manufacturing | 2016 |
| Cameron Elite Solutions Limited | Real estate | 2024 |
| Cameron Khan Menswear Ltd | Manufacturing | 2015 |
| Cameron Maintenance Services Ltd | Construction | 2024 |
| Cameron Robb Limited | Manufacturing | 1952 |
| Cameron Trips Limited | Transport & logistics | 2025 |
| Cameron-Price Holdings Limited | Administrative & support | 1988 |
| Cameron-Price Limited | Manufacturing | 1960 |
| Camerons Properties Ltd | Real estate | 2024 |
| Camford Construction Management Limited | Construction | 2015 |
| Camgra Ltd | Wholesale & retail | 2015 |
| Camica Group Ltd | Financial services | 2025 |
| Camica Properties Ltd | Real estate | 2025 |
| Camion UK Ltd | Water & waste | 2018 |
| Camlec and Sons Electrical Services Limited | Construction | 2020 |
| Cammo Housing Ltd | Hospitality | 2024 |
| Cammo Integrated Services Limited | Real estate | 2017 |
| Camms Integrated Limited | Wholesale & retail | 2025 |
| Camp Hill After School Club Ltd | Health & social care | 2026 |
| Camp Hill Edu-Residential Support Ltd | Real estate | 2023 |
| Camp Hill Education Ltd | Education | 2020 |
| Campbell Accountants and Tax Advisors Ltd | Administrative & support | 2019 |
| Campbell Accountants Limited | Professional & scientific | 2022 |
| Campbell Bewley Holdings (UK) Limited | Professional & scientific | 2000 |
| Campbell Healthcare Innovations Ltd | Health & social care | 2025 |
| Campbell House Clapham Limited | Real estate | 2021 |
| Campbell Nation Ltd | Arts & recreation | 2025 |
| Campbell-Hunt Engineering Ltd | Construction | 2015 |
| Campden Cottages Ltd | Real estate | 2023 |
| Campden Hill Court Limited | Households | 1984 |
| Campden Hill Court Tenants Limited | Households | 1967 |
| Campden Town Football Club Limited | Education | 2020 |
| Campeh BI CIC | Education | 2025 |
| Campion Evans Ltd | Administrative & support | 2000 |
| Camplea Croft 1962 Limited | Extraterritorial | 2014 |
| Campus Clippers Ltd | Other services | 2026 |
| Campus Holdings Ltd | Financial services | 2023 |
| Camtrex Limited | Wholesale & retail | 1976 |
| CAN Concepts Limited | Construction | 2016 |
| CAN DO 4:13 | Information & communication | 2011 |
| CAN Plastering Contractors Ltd | Construction | 2017 |
| CAN YOU DIG IT? Digger Hire Ltd | Administrative & support | 2021 |
| CAN YOU Relate CIC | Education | 2018 |
| Canaan Healthcare Service Ltd | Health & social care | 2015 |
| Canal Side Motors UK Ltd | Wholesale & retail | 2023 |
| Canalboat Club Limited | Extraterritorial | 2008 |
| Canalside Cafe Ltd | Hospitality | 2008 |
| Canalside Eatery Ltd | Wholesale & retail | 2020 |
| Canalside Properties Limited | Real estate | 2013 |
| Canalside Wolverhampton Management Company Limited | Real estate | 2025 |
| Canapoy Limited | Manufacturing | 2025 |
| Canar&Co Ltd | Construction | 2019 |
| Canars Ltd | Transport & logistics | 2012 |
| Canary Homes U.K Ltd | Administrative & support | 2017 |