| Cotswold Web Developments Ltd | Information & communication | 2024 |
| Cotswold Web Limited | Information & communication | 2008 |
| Cotswold Weddings Limited | Professional & scientific | 2009 |
| Cotswold Window Systems Limited | Manufacturing | 2025 |
| Cotswold Wines Ltd | Wholesale & retail | 2019 |
| Cotswold Wool Trader Ltd | Manufacturing | 2025 |
| Cotswold's Tours and Travels Ltd | Administrative & support | 2022 |
| Cotswoldcohost Ltd | Real estate | 2019 |
| Cotswolds AV Limited | Other services | 2018 |
| Cotswolds Calling Ltd | Hospitality | 2012 |
| Cotswolds Cheeseworks Ltd | Wholesale & retail | 2024 |
| Cotswolds Corridor Limited | Real estate | 2018 |
| Cotswolds Cottages Ltd | Hospitality | 2018 |
| Cotswolds Design Build Ltd | Construction | 2025 |
| Cotswolds Digital Consulting Ltd | Information & communication | 2026 |
| Cotswolds Dining Disposables Ltd | Wholesale & retail | 2025 |
| Cotswolds Healthcare Services Ltd | Health & social care | 2026 |
| Cotswolds Hills Residential Ltd | Construction | 2025 |
| Cotswolds Living Ltd | Health & social care | 2026 |
| Cotswolds Nutrition Chef Elite Food Prep Ltd | Manufacturing | 2023 |
| Cotswolds Nutrition Chef Ltd | Hospitality | 2025 |
| Cotswolds Pilates Club Ltd | Education | 2024 |
| Cotswolds Restoration Services Limited | Other services | 2014 |
| Cotswolds Spa Holidays Limited | Hospitality | 2011 |
| Cotsworld Estates Limited | Real estate | 2015 |
| Cott's Care Limited | Health & social care | 2013 |
| Cottesloe Properties Limited | Real estate | 1992 |
| Cottle Memorials Limited | Manufacturing | 2025 |
| Counselling & Psychotherapy Services (Cheltenham) Limited | Health & social care | 2008 |
| Country Broadway Ltd | Wholesale & retail | 2017 |
| Country Choice Cookers Ltd | Wholesale & retail | 2015 |
| Country Company Limited | Administrative & support | 2002 |
| Country Connections Ltd | Wholesale & retail | 2024 |
| Country Day Nurseries Limited | Health & social care | 2017 |
| Country Hound Dog Boutique Limited | Wholesale & retail | 2015 |
| Country Life Houses Limited | Real estate | 2018 |
| Country Life Properties Limited | Extraterritorial | 2018 |
| Country Living Care Group Ltd | Financial services | 2018 |
| Country Living Management Limited | Other services | 2023 |
| Country Lodge Nursing Home Limited | Health & social care | 2001 |
| Country Master Ltd | Wholesale & retail | 2017 |
| Country Pldm Ltd | Administrative & support | 2014 |
| Countryside Windows (Cheltenham) Limited | Manufacturing | 1998 |
| Countrywide Cleaners Ltd | Administrative & support | 2016 |
| Countrywide Construction Management Ltd | Professional & scientific | 2024 |
| County Business Shows Limited | Professional & scientific | 2014 |
| County Construction Co. Limited | Real estate | 1957 |
| County Drain Services Limited | Water & waste | 2022 |
| County Driveways and Landscapes Limited | Construction | 2024 |
| County Florists Cheltenham Limited | Wholesale & retail | 2018 |
| County Garage (Cheltenham) Limited | Professional & scientific | 1953 |
| County Home Bucks Limited | Real estate | 2014 |
| County Home Care Group Ltd | Administrative & support | 2025 |
| County Homes Berkshire Limited | Construction | 2014 |
| County Homes Thames Valley Ltd | Construction | 2020 |
| County of Gloucestershire Community Foundation | Health & social care | 1989 |
| County Property Services Limited | Other services | 2015 |
| Countyclean Cleaning & Maintenance Ltd | Administrative & support | 2012 |
| Coupe Property Consultants Limited | Real estate | 2012 |
| Couraim Consultancy Limited | Professional & scientific | 2024 |
| Courie Properties Ltd | Administrative & support | 2008 |
| Court Farm Shop Ltd | Wholesale & retail | 2015 |
| Court House Care Holdings Limited | Professional & scientific | 2014 |
| Court House Care Investment Limited | Professional & scientific | 2014 |
| Court House Manor Ltd | Hospitality | 2013 |
| Cousn Limited | Arts & recreation | 2018 |
| Cove Plumbing and Heating Limited | Construction | 2012 |
| Covergrade Holdings Ltd | Financial services | 2024 |
| Covergrade Ltd | Financial services | 2024 |
| Covestus Bidco Limited | Financial services | 2025 |
| Covestus Holdco Limited | Financial services | 2025 |
| Covestus Holdings Limited | Financial services | 2018 |
| Covestus Limited | Manufacturing | 2018 |
| Covestus Midco Limited | Financial services | 2025 |
| Covguard Limited | Manufacturing | 2021 |
| COW BEE Go Ltd | Hospitality | 2020 |
| Cowboy Grips Ltd | Information & communication | 2024 |
| Cowbridge | Financial services | 2016 |
| Cowiecom Ltd | Professional & scientific | 2017 |
| Cowley Oak Ltd | Manufacturing | 2011 |
| Cowley Tree Nurseries Ltd | Real estate | 2017 |
| Cozy Cottage Bourton Ltd | Real estate | 2026 |
| Cozynest Escapes Limited | Real estate | 2025 |
| CP Car Sales Ltd | Wholesale & retail | 2020 |
| CP Scaffolding Limitless Ltd | Construction | 2025 |
| CPC Management Holdings Ltd | Professional & scientific | 2018 |
| CPD Barnstaple Limited | Construction | 2021 |
| CPD Cornwall Limited | Construction | 2020 |
| CPD Hospitalities Ltd | Arts & recreation | 2024 |
| CPD Motorsports Ltd | Arts & recreation | 2023 |
| CPD Portishead Limited | Construction | 2020 |
| CPH Contractors Ltd | Construction | 2023 |
| CPJ Mechanical Engineer Limited | Manufacturing | 2025 |
| CPJ Services Limited | Construction | 2022 |
| CPM (Cheshire) Limited | Professional & scientific | 2011 |
| CPT Engineering Limited | Manufacturing | 2016 |
| CR SET Limited | Construction | 2026 |
| Craft & Scale Ltd | Professional & scientific | 2017 |
| Craft Brew Festival Ltd | Arts & recreation | 2022 |
| Craft Training and Development Ltd | Other services | 2017 |