| Cotswold Oak Limited | Construction | 2004 |
| Cotswold Oak Projects Limited | Construction | 2021 |
| Cotswold Packaging Ltd | Manufacturing | 2023 |
| Cotswold Panel Products Limited | Manufacturing | 2015 |
| Cotswold Professional Systems Limited | Information & communication | 1999 |
| Cotswold Provisions (Bacon) Limited | Wholesale & retail | 1987 |
| Cotswold Provisions Limited | Wholesale & retail | 1982 |
| Cotswold RAW Pet Food Limited | Manufacturing | 2024 |
| Cotswold Renovations Ltd | Construction | 2022 |
| Cotswold Residential Ltd | Real estate | 2025 |
| Cotswold Robotics Limited | Wholesale & retail | 2026 |
| Cotswold Sales Ltd | Wholesale & retail | 2026 |
| Cotswold Security Group Ltd | Administrative & support | 2017 |
| Cotswold Select Autos Ltd | Wholesale & retail | 2021 |
| Cotswold Short Lets Limited | Real estate | 2024 |
| Cotswold Signature Ltd | Other services | 2024 |
| Cotswold Supplies Ltd | Professional & scientific | 2010 |
| Cotswold Technical Services Fire & Security Ltd | Manufacturing | 2010 |
| Cotswold Technical Services Limited | Manufacturing | 1997 |
| Cotswold Trail Events Ltd | Arts & recreation | 2022 |
| Cotswolds Bakes and Favours Ltd | Other services | 2021 |
| Cotswolds Expeditions Ltd | Administrative & support | 2026 |
| Cotswolds Motorworld Ltd | Wholesale & retail | 2026 |
| Cotswolds Payroll Solutions Limited | Professional & scientific | 2025 |
| Cotswolds Premium Clean Ltd | Administrative & support | 2026 |
| Cotswolds Removals Limited | Transport & logistics | 2020 |
| Cotswolds Van Hire Limited | Administrative & support | 2020 |
| Country House Builders Limited | Construction | 2001 |
| Country Kitchens (2025) Limited | Manufacturing | 2025 |
| Countryside Pets Ltd | Wholesale & retail | 2024 |
| County Events & Medical Ltd | Health & social care | 2023 |
| Court House Enterprises Ltd | Real estate | 2010 |
| Courtyard Architectural Hardware Limited | Extraterritorial | 2015 |
| Coventry Anaesthetic Practice Limited | Extraterritorial | 2010 |
| Coventry Close Management Limited | Households | 2003 |
| COX & Hodgetts LLP | | 2026 |
| CP Outdoor Sports Ltd | Wholesale & retail | 2024 |
| Craft Bakehouse Ltd | Extraterritorial | 2024 |
| Crafty Ideas Limited | Wholesale & retail | 2016 |
| Crane Consulting Limited | Professional & scientific | 2020 |
| Crannog Land Limited | Construction | 2023 |
| Craycombe Carpets Limited | Wholesale & retail | 2013 |
| Create Professional Landscaping Ltd | Administrative & support | 2017 |
| Creative by Nature Ltd | Health & social care | 2009 |
| Crest Hill (Harvington) Management Company Limited | Real estate | 2020 |
| Cret Logistics Ltd | Transport & logistics | 2019 |
| Crhfast Ltd | Transport & logistics | 2025 |
| Cristalux Ltd | Administrative & support | 2025 |
| Cristian Transit Limited | Transport & logistics | 2023 |
| Crown Cards Ltd | Wholesale & retail | 2020 |
| Crown Outsource Limited | Transport & logistics | 2025 |
| Crtr Development Ltd | Construction | 2025 |
| Crystal Mount RTM Company Ltd | Households | 2015 |
| Cube Channel Marketing Ltd | Information & communication | 2024 |
| Culturarium Limited | Education | 1997 |
| Curran Webb Limited | Health & social care | 2006 |
| Curry Merchant Evesham Limited | Hospitality | 2020 |
| Curtis Industries (U.K.) Limited | Wholesale & retail | 1972 |
| Custom Lifting Solutions Ltd | Manufacturing | 2026 |
| Cuttingedgechefs Ltd | Hospitality | 2015 |
| CW Freelance Limited | Information & communication | 2025 |
| Cyklone Kleaning Limited | Administrative & support | 2022 |
| Cyril Harber Investment Company Limited | Real estate | 1981 |
| D & D Scaffolding Limited | Construction | 2005 |
| D & S Hoggarth Ltd | Professional & scientific | 2013 |
| D & T Alderton Limited | Wholesale & retail | 2016 |
| D B Cleaning Contracts Ltd | Administrative & support | 2025 |
| D J Bolton Services Limited | Information & communication | 2013 |
| D L K Miles Ltd | Construction | 2004 |
| D&A UK Properties Ltd | Real estate | 2025 |
| D&P Holdings Limited | Administrative & support | 2021 |
| D.A. Cook (Builders) Limited | Construction | 1974 |
| D.P. Valve Spares Limited | Professional & scientific | 2011 |
| Daflo Trans Ltd | Transport & logistics | 2022 |
| Daily Trans Limited | Transport & logistics | 2021 |
| Dakota Investments Ltd | Real estate | 2018 |
| Dale Street Management Company Limited | Real estate | 1983 |
| Dami Anne Trans Ltd | Transport & logistics | 2021 |
| DAN Groves Contracting Ltd | Construction | 2015 |
| Dapipo Limited | Real estate | 2019 |
| Darek&Son Ltd | Transport & logistics | 2017 |
| Daro VAG Ltd | Wholesale & retail | 2025 |
| Darren Grosvenor General Builder Limited | Construction | 2020 |
| Darren Grosvenor Property Limited | Real estate | 2026 |
| Dashdice Limited | Information & communication | 2025 |
| David Brash Consultancy Limited | Professional & scientific | 2002 |
| David Simmonds Building Solutions Limited | Professional & scientific | 2024 |
| David Talbot Ltd | Construction | 2011 |
| David Wright Developments Limited | Construction | 2004 |
| Davies INV Limited | Real estate | 2025 |
| Davis Structures Limited | Construction | 2013 |
| Dawcom Limited | Information & communication | 1996 |
| Dawn Trading Ltd | Wholesale & retail | 2026 |
| DB Drinks Solutions Limited | Wholesale & retail | 2012 |
| DBH Construction Limited | Construction | 2012 |
| DCJ Building Services Ltd | Construction | 2015 |
| DE Landske Limited | Real estate | 2014 |
| DE Luna Holdings Ltd | Financial services | 2024 |
| Dealer Business Consultancy Limited | Information & communication | 2005 |
| Dean Sutton Design Consultants Limited | Professional & scientific | 2015 |