| Cuffs Wristwatches Ltd | Wholesale & retail | 2025 |
| Cufo Limited | Wholesale & retail | 2022 |
| Culbone Property Limited | Real estate | 2025 |
| Culinary Administration Ltd. | Manufacturing | 2015 |
| Culinary Agents Ltd | Information & communication | 2016 |
| Culla Collective Ltd | Wholesale & retail | 2023 |
| Cullen Coaching Limited | Professional & scientific | 2015 |
| Culmbridge Ltd | Construction | 2015 |
| Cultural Intelligence Centre UK Ltd. | Professional & scientific | 2021 |
| Culture Bloc Ltd | Professional & scientific | 2022 |
| Culture Instable Limited | Professional & scientific | 2019 |
| Cultures in Context CIC | Administrative & support | 2019 |
| Culvery Power Limited | Energy | 2014 |
| Cumaru Ltd | Real estate | 2021 |
| Cumberland Villa Management Company Limited | Households | 1990 |
| Cummings Civils Ltd | Construction | 2012 |
| Cupcake Decorations Ltd | Wholesale & retail | 2011 |
| Cupp Box Limited | Hospitality | 2021 |
| Cupp C Limited | Hospitality | 2021 |
| Cupp Group Limited | Hospitality | 2023 |
| Cupp Kiosk Limited | Hospitality | 2019 |
| Cupp Limited | Hospitality | 2011 |
| Cupp Logistics Limited | Wholesale & retail | 2018 |
| CUR1 Creations Ltd | Information & communication | 2024 |
| Cura Alliance Ltd | Professional & scientific | 2025 |
| Curace Consulting Limited | Professional & scientific | 2021 |
| Curaid Medical Limited | Wholesale & retail | 2019 |
| Curalink Solutions Ltd | Wholesale & retail | 2024 |
| Curas Limited | Wholesale & retail | 2005 |
| Curated Partners Ltd | Administrative & support | 2024 |
| Curativ Music Ltd | Information & communication | 2025 |
| Curbralan Limited | Information & communication | 2000 |
| Curbside Clippers Limited | Other services | 2025 |
| Curbsidebrs Ltd | Wholesale & retail | 2024 |
| Curcrest Properties Ltd. | Administrative & support | 1997 |
| Cure Hospitality Limited | Hospitality | 2023 |
| Curgo Build Ltd | Administrative & support | 2018 |
| Curia Global Holdings Limited | Manufacturing | 2004 |
| Curia Holdings (UK) Limited | Professional & scientific | 2004 |
| Curiositas Leadership Limited | Professional & scientific | 2019 |
| Curiosity Consultancy Ltd | Professional & scientific | 2024 |
| Curiosity Works Ltd | Professional & scientific | 2022 |
| Curious Leisure Ltd | Administrative & support | 2022 |
| Curious Sky Ltd | Professional & scientific | 2018 |
| Curly Red SAM Art Ltd | Arts & recreation | 2025 |
| Curran Timber Frame Ltd | Manufacturing | 2022 |
| Curran Training Ltd | Construction | 2013 |
| Current Installations (Bristol) Limited | Construction | 2005 |
| Curry Bristol Ltd | Hospitality | 2024 |
| Curry Centre Staple Hill Ltd | Hospitality | 2024 |
| Curry Garden WSM Limited | Hospitality | 2016 |
| Curry House Bristol Limited | Hospitality | 2019 |
| Curry Hub Ltd | Wholesale & retail | 2022 |
| Curry Night Hanham Ltd | Hospitality | 2015 |
| Curry Rice Ltd | Real estate | 2017 |
| Curry Shire Ltd | Hospitality | 2023 |
| Curry Supreme Ltd | Hospitality | 2016 |
| Cursive Cycling Limited | Professional & scientific | 2024 |
| Curtis Assets Ltd | Real estate | 2018 |
| Curtis Cryer (Bristol) Ltd | Professional & scientific | 2019 |
| Curtis Drew Brokers Ltd | Financial services | 2015 |
| Curtis Farms Ltd | Agriculture & fishing | 2023 |
| Curtis Original Limited | Wholesale & retail | 2022 |
| Curtis Piercy Limited | Information & communication | 2025 |
| Curtis PM Ltd | Construction | 2018 |
| Curtis Sports & Leisure Ltd | Wholesale & retail | 2005 |
| Curtisan Carpentry & Joinery Limited | Manufacturing | 2017 |
| Curve Accountancy and Tax Limited | Professional & scientific | 2017 |
| Curve Communications Ltd | Professional & scientific | 2017 |
| Curves Toning & Solarium Centre Limited | Other services | 2010 |
| Curvus Limited | Health & social care | 2000 |
| Curzon Court Management Company Ltd | Real estate | 2017 |
| Cusden Carpentry Ltd | Construction | 2017 |
| Cush-Clark Furniture Limited | Manufacturing | 2020 |
| Cushdy Homes Ltd | Construction | 2025 |
| Cushh Limited | Wholesale & retail | 2020 |
| Cussen Properties (Bristol) Ltd | Real estate | 2025 |
| Cussen Properties LLP | | 2024 |
| Custom Carpentry & Building Services (SW) Limited | Construction | 2020 |
| Custom Cranes Ltd | Information & communication | 2024 |
| Custom Creative Solutions Limited | Construction | 2010 |
| Custom Fluid Power Engineering Limited | Other services | 2023 |
| Custom Fluid Power Services Limited | Other services | 2023 |
| Custom Glazing Ltd | Construction | 2019 |
| Custom Imprints Ltd | Manufacturing | 2024 |
| Custom Marine Limited | Manufacturing | 2012 |
| Custom Plumbing & Heating (South West) Limited | Construction | 2021 |
| Custom Prints Bristol Limited | Manufacturing | 2026 |
| Custom Tiling Ltd | Construction | 2023 |
| Custom Van Art Ltd | Manufacturing | 2023 |
| Customer Dedicated Logistics Limited | Transport & logistics | 2001 |
| Customer Experience Edtech Limited | Other services | 2021 |
| Custra Ltd | Wholesale & retail | 2026 |
| CUT & Logistics Ltd | Transport & logistics | 2025 |
| CUT IT Productions Limited | Information & communication | 2022 |
| Cutboss Ltd | Other services | 2024 |
| Cute Resource Solutions Ltd | Administrative & support | 2010 |
| Cutea's Garage Experts Limited | Wholesale & retail | 2025 |
| Cutiscare Limited | Information & communication | 2020 |
| Cutler Property Solutions Limited | Real estate | 2025 |