| Corol Limited | Real estate | 2018 |
| Coronation Residential Management Company Limited | Households | 2018 |
| Corretto Limited | Real estate | 2009 |
| Corris Chambers Ltd | Professional & scientific | 2022 |
| Corse Lawn House Ltd | Hospitality | 2025 |
| Corse Lawn Ltd | Hospitality | 2025 |
| Corza Treasury 1 Ltd | Financial services | 2020 |
| Corza Treasury 2 Ltd | Financial services | 2020 |
| Corza Treasury 3 Ltd | Financial services | 2020 |
| Corza Treasury 4 Ltd | Financial services | 2020 |
| Cosgrove & Drew Ltd | Construction | 2015 |
| Coslin Construction Limited | Construction | 1997 |
| Cosmetic Clinique Limited | Other services | 2015 |
| COSS-3 Ltd | Information & communication | 2011 |
| Cost Benefit Build Ltd | Construction | 2016 |
| Costsdragon Limited | Professional & scientific | 2008 |
| Costume Construction Limited | Manufacturing | 2011 |
| Cosy Cotswold Cottages Limited | Hospitality | 2025 |
| Cotecs Limited | Professional & scientific | 1999 |
| Cotesbach & Woodbrig Game Ltd | Agriculture & fishing | 2025 |
| Cotesbach Game Limited | Agriculture & fishing | 2011 |
| Cotopaxi Limited | Professional & scientific | 2009 |
| Cots Care Limited | Health & social care | 2026 |
| Cotsbourne Construction Ltd | Construction | 2016 |
| Cotsflow Heating & GAS Ltd | Construction | 2026 |
| Cotsweld Race Cars Ltd | Manufacturing | 2013 |
| Cotswold & Vale Garden Centres Limited | Administrative & support | 2011 |
| Cotswold & Vale Limited | Construction | 2006 |
| Cotswold Abode Limited | Real estate | 2020 |
| Cotswold Accounting Limited | Extraterritorial | 2026 |
| Cotswold Active Camps Ltd | Health & social care | 2023 |
| Cotswold Aesthetics Ltd | Health & social care | 2011 |
| Cotswold Anaesthesia Ltd | Health & social care | 2019 |
| Cotswold Architectural Products Limited | Manufacturing | 1974 |
| Cotswold Auction Group Ltd | Wholesale & retail | 2025 |
| Cotswold Automotive Storage Ltd | Transport & logistics | 2014 |
| Cotswold Bambinos Ltd | Wholesale & retail | 2022 |
| Cotswold Bauble Company Ltd | Wholesale & retail | 2020 |
| Cotswold Bespoke Advisory Ltd | Professional & scientific | 2025 |
| Cotswold Bespoke Bathrooms Ltd | Construction | 2025 |
| Cotswold Bespoke Builds Ltd | Administrative & support | 2023 |
| Cotswold Bespoke Flooring Limited | Construction | 2016 |
| Cotswold Breath and Body Ltd | Education | 2022 |
| Cotswold Building Contractors Ltd | Construction | 2017 |
| Cotswold Campers Limited | Administrative & support | 2026 |
| Cotswold Capital Limited | Administrative & support | 2019 |
| Cotswold Car Transfers Limited | Transport & logistics | 2018 |
| Cotswold Carpet Cleaning Ltd | Administrative & support | 2017 |
| Cotswold Castle Properties Limited | Construction | 2005 |
| Cotswold Catering Parts Ltd | Wholesale & retail | 2018 |
| Cotswold Charcoal Limited | Agriculture & fishing | 2023 |
| Cotswold Chase Management Company (Gloucester) Limited | Households | 2014 |
| Cotswold Childminding Co Ltd | Health & social care | 2024 |
| Cotswold Children’S Parties Limited | Arts & recreation | 2023 |
| Cotswold Children’S Therapy Ltd | Health & social care | 2018 |
| Cotswold Chiropractic Limited | Health & social care | 2011 |
| Cotswold Civils Limited | Construction | 2025 |
| Cotswold Classic Arms Ltd | Manufacturing | 2023 |
| Cotswold Cleantech Energy Ltd | Energy | 2026 |
| Cotswold Clearance & Removals Ltd | Transport & logistics | 2023 |
| Cotswold Climate Solutions Ltd | Construction | 2025 |
| Cotswold Clubhouse Ltd | Arts & recreation | 2017 |
| Cotswold Collections Group Limited | Wholesale & retail | 2017 |
| Cotswold Collections Limited | Wholesale & retail | 1993 |
| Cotswold Composite Doors Ltd | Wholesale & retail | 2021 |
| Cotswold Connect Limited | Information & communication | 2015 |
| Cotswold Corporate Lets Ltd | Real estate | 2023 |
| Cotswold Cosy Escapes 2 Ltd | Hospitality | 2026 |
| Cotswold Cosy Escapes Ltd | Hospitality | 2024 |
| Cotswold Cottage Breaks Ltd | Hospitality | 2024 |
| Cotswold Countryside Roofing Ltd | Construction | 2024 |
| Cotswold Crafts by Emma Ltd | Wholesale & retail | 2020 |
| Cotswold Crust Limited | Hospitality | 2025 |
| Cotswold CVS Trading Limited | Transport & logistics | 2008 |
| Cotswold Days Limited | Wholesale & retail | 2022 |
| Cotswold Dean Developments Ltd | Construction | 2005 |
| Cotswold Decorating Solutions Ltd | Construction | 2023 |
| Cotswold Deep Cleaning Limited | Administrative & support | 2018 |
| Cotswold Dental Laboratory Limited | Manufacturing | 2003 |
| Cotswold Design and Build Ltd | Construction | 2014 |
| Cotswold Design and Visualisations Limited | Professional & scientific | 2009 |
| Cotswold Distribution Hub Ltd | Wholesale & retail | 2025 |
| Cotswold Eats Limited | Information & communication | 2019 |
| Cotswold Electric Vehicles Ltd | Wholesale & retail | 2022 |
| Cotswold Electrical & Renewable Ltd | Construction | 2026 |
| Cotswold Energy Solution Ltd | Construction | 2022 |
| Cotswold Environmental Ltd | Professional & scientific | 2018 |
| Cotswold Estate Agents Limited | Real estate | 1997 |
| Cotswold Event Hospitality Limited | Hospitality | 2025 |
| Cotswold Exercise Referral CIC | Arts & recreation | 2024 |
| Cotswold EYE Care Centre Ltd. | Health & social care | 1996 |
| Cotswold Face and Body Clinic Limited | Other services | 2015 |
| Cotswold Farm Atvs Ltd | Wholesale & retail | 2025 |
| Cotswold Farm Fayre Limited | Hospitality | 1989 |
| Cotswold Farm Machinery Limited | Wholesale & retail | 2006 |
| Cotswold Farm Park Enterprises Ltd | Agriculture & fishing | 2023 |
| Cotswold Farm Park Limited | Arts & recreation | 2004 |
| Cotswold Farming Ltd | Agriculture & fishing | 2018 |
| Cotswold First AID Ltd | Education | 2023 |
| Cotswold Fresh Limited | Manufacturing | 2015 |