| Carpenters Mark Limited | Construction | 2016 |
| Carpenters Place Management Limited | Real estate | 2014 |
| Carpentry & Conservation Limited | Construction | 2015 |
| Carpentry & Joinery Service Limited | Construction | 2018 |
| Carpentry Installations Limited | Construction | 2009 |
| Carpentry Maintenance & Construction Limited | Manufacturing | 2012 |
| Carpentry Plus Limited | Manufacturing | 2025 |
| Carpet & Flooring Direct Ltd | Wholesale & retail | 2015 |
| Carpet and Fabrics Direct Limited | Wholesale & retail | 2003 |
| Carpet Hub Ltd | Households | 2016 |
| Carpet Options and Interiors Ltd | Extraterritorial | 2016 |
| Carpets Direct (Bristol) Limited | Wholesale & retail | 2010 |
| Carpets of Yate Ltd | Wholesale & retail | 2002 |
| Carraway Publishing Limited | Information & communication | 1996 |
| Carrdavis Motorcycles Ltd | Extraterritorial | 2026 |
| Carrek Limited | Construction | 2010 |
| Carreno Logistics Ltd | Transport & logistics | 2021 |
| Carriage Mews (Bristol) Management Limited | Households | 2010 |
| Carriage Return Limited | Other services | 2015 |
| Carriages by Capaldi Ltd | Wholesale & retail | 2024 |
| Carriageworks Community Interest Company | Other services | 2024 |
| Carriageworks Management Ltd | Households | 2021 |
| Carribbeanfix Ltd | Hospitality | 2021 |
| Carrington Surveys Ltd | Professional & scientific | 2025 |
| Carroll Construction Services Limited | Construction | 2023 |
| Carrot Trading Limited | Hospitality | 2019 |
| Carruthers Tanner Limited | Professional & scientific | 2012 |
| Carry on Bbqing Limited | Information & communication | 2017 |
| Carry on Entertainment Group Ltd | Financial services | 2023 |
| Carry on Films Limited | Information & communication | 2016 |
| Carryon Gritblasting Limited | | 1978 |
| Cars (Bristol) Ltd | Wholesale & retail | 2010 |
| Cars Australia Ltd | Wholesale & retail | 2012 |
| Cars of Bristol Ltd | Wholesale & retail | 2021 |
| Cars of Winford Limited | Wholesale & retail | 2008 |
| Cars OFF Bristol Ltd | Wholesale & retail | 2019 |
| Cars on Go Ltd | Wholesale & retail | 2024 |
| Cars-Lot Limited | Wholesale & retail | 2025 |
| Carson Homes Ltd | Real estate | 2016 |
| Carson Lettings Ltd | Real estate | 2018 |
| Carsons Joinery Services Limited | Construction | 2010 |
| Carsure Ltd | Information & communication | 2018 |
| Carter & Harding Opticians Ltd | Wholesale & retail | 2011 |
| Carter Baynes Limited | Real estate | 1997 |
| Carter Baynes Property Services Limited | Administrative & support | 2019 |
| Carter Chase Corporate Limited | Professional & scientific | 2011 |
| Carter Cleaning Limited | Administrative & support | 2003 |
| Carter Construction (South West) Limited | Construction | 2005 |
| Carter Decorating Limited | Construction | 2014 |
| Carter Inns Ltd | Hospitality | 2022 |
| Carter&Co Properties Ltd | Real estate | 2025 |
| Carters Plumbing & Heating (SW) Ltd | Construction | 2018 |
| Carterton Vets Ltd | Extraterritorial | 2017 |
| Carterwood Analytics Limited | Information & communication | 2017 |
| Carterwood Limited | Professional & scientific | 2007 |
| Carthys Scaffolding Ltd | Construction | 2024 |
| Cartindales Legal Consultancy Limited | Professional & scientific | 2023 |
| Cartmell Close (Malmesbury) Management Company Limited | Households | 2022 |
| Cartmell Court Management Limited | Households | 1986 |
| Cartrefle Brewery Ltd | Extraterritorial | 2019 |
| Cartridge Trading Ltd | Wholesale & retail | 2004 |
| Cartwright Developments Ltd | Construction | 2023 |
| Caruso 88 Ltd | Professional & scientific | 2018 |
| Carvallo Customs Ltd | Wholesale & retail | 2026 |
| Carve Carpentry Ltd | Construction | 2023 |
| Carver Construction Limited | Construction | 2026 |
| Carveto Limited | Information & communication | 2025 |
| Carvo Motors Ltd | Wholesale & retail | 2026 |
| Carwardine Developments Ltd | Real estate | 2016 |
| Carwardine Espresso Machine Solutions Limited | Manufacturing | 2016 |
| Carwardines Ltd. | Wholesale & retail | 2020 |
| Cary Comes Home Ltd | Arts & recreation | 2013 |
| Cary Investments Ltd | Construction | 2020 |
| Carz City Ltd | Wholesale & retail | 2022 |
| CAS & SON Transport Ltd | Transport & logistics | 2021 |
| Casa 15 Limited | Hospitality | 2024 |
| Casa Avon Limited | Real estate | 2019 |
| Casa Builders Ltd | Construction | 2012 |
| Casa Casabe Ltd | Wholesale & retail | 2025 |
| Casa Concept Ltd | Wholesale & retail | 2006 |
| Casa Creative Learning Ltd | Information & communication | 2023 |
| Casa Dental Group Limited | Financial services | 2023 |
| Casa Dental Limited | Financial services | 2021 |
| Casa DI Amore Flat Management Limited | Households | 2006 |
| Casa Environmental Holdings Ltd | Financial services | 2025 |
| Casa Environmental Services Ltd | Professional & scientific | 2011 |
| Casa LA Cucina Ltd | Hospitality | 2026 |
| Casa Mexicana Limited | Hospitality | 2010 |
| Casa Museo Limited | Wholesale & retail | 2023 |
| Casa Picante Ltd | Wholesale & retail | 2022 |
| Casa S.H Blanca Ltd | Real estate | 2025 |
| Casa Site 2 Limited | Financial services | 2023 |
| Casa Taunton Ltd | Hospitality | 2023 |
| Casa Tetbury Ltd | Hospitality | 2020 |
| Casa Verona Ltd | Hospitality | 2026 |
| Casa Vita Ltd | Real estate | 2016 |
| Casamia Bristol Limited | Hospitality | 2014 |
| Casann Limited | Real estate | 2017 |
| Casaoasis Ltd | Professional & scientific | 2021 |
| Cascagos International Ltd | Professional & scientific | 2020 |