| Colvin and Moggridge Limited | Professional & scientific | 1999 |
| Colwells (Gloucester) Limited | Wholesale & retail | 1982 |
| Complex Systems Direct Limited | Other services | 2004 |
| Concept People Limited | Wholesale & retail | 2001 |
| Consort Architectural Hardware Limited | Wholesale & retail | 1992 |
| Coretex Sales & Marketing Limited | Administrative & support | 2003 |
| Corin Group Limited | Manufacturing | 1994 |
| Corin Holdings Limited | Manufacturing | 1993 |
| Corin International Limited | Manufacturing | 1992 |
| Corinium Safety Solutions Limited | Professional & scientific | 2007 |
| Cosmic House Holdings Limited | Construction | 2018 |
| Cotek Papers Limited | Manufacturing | 1964 |
| Cotswold & Cirencester Developments Limited | | 1988 |
| Cotswold Building Services (Maintenance) Ltd | Manufacturing | 2002 |
| Cotswold Crusher Hire Limited | Construction | 2006 |
| Cotswold Dance Academy Limited | Education | 2003 |
| Cotswold Estates and Gardens Ltd | Professional & scientific | 1965 |
| Cotswold Physiotherapy Centre and Sports Injuries Clinic LLP | | 2006 |
| Cotswold Plumbers Limited | Construction | 2005 |
| Cotswold Wood Floors Ltd | Wholesale & retail | 2000 |
| Cottons Lane Management Limited | Households | 1991 |
| Council for Aluminium in Building | Other services | 2006 |
| Coventry Ceroc Ltd | Arts & recreation | 2008 |
| Craigdarroch Wind Farm Ltd | Energy | 2025 |
| Cranford Liveries Limited | Agriculture & fishing | 2021 |
| Croft Farm Water Park Limited | Arts & recreation | 2002 |
| Croman Limited | Real estate | 2005 |
| Crossroads Gloucestershire Ltd | Health & social care | 2019 |
| CTR Developments Limited | Construction | 2007 |
| Cubico Limited | Construction | 2006 |
| Cultural Prospects Limited | Education | 2003 |
| CWB Fire Safety Consultants Ltd | Construction | 2006 |
| Cynosure Adsett Court Limited | Real estate | 1997 |
| Cyril Andrew Limited | Real estate | 2004 |
| D. & J. Sports Limited | Other services | 1981 |
| D. Wiltshire Electrical Limited | Construction | 2006 |
| Dabalow Limited | Households | 1967 |
| Dalemoore Limited | Real estate | 1988 |
| Dallas & Co Ltd | Financial services | 2011 |
| Danarm Machinery Limited | Wholesale & retail | 1999 |
| Daniel Bristow Violins Limited | Wholesale & retail | 2002 |
| Datafirst Limited | | 1990 |
| Dave Cockcroft Limited | Manufacturing | 1998 |
| Davis Gregory Properties LLP | | 2003 |
| Dean Park Contractors Limited | Construction | 1973 |
| Delamere 2 Wellington Street Limited | Households | 1997 |
| Delamere Properties Limited | Real estate | 2000 |
| Denise Roberts Interiors Limited | Manufacturing | 2002 |
| Denude Computers Limited | Information & communication | 1988 |
| Design 4 Results Limited | Professional & scientific | 2002 |
| Desperate Solutions Limited | Information & communication | 1998 |
| Devizes Copy Centre Limited | Wholesale & retail | 1999 |
| Dick Whittington Park Ltd | Arts & recreation | 2000 |
| Discovery Initiatives Limited | Administrative & support | 1992 |
| Distinctive Care Limited | Health & social care | 2007 |
| DJ Coulter & Associates Limited | Professional & scientific | 2006 |
| Dksg Limited | Professional & scientific | 2006 |
| Doctor Roofing Limited | Construction | 2023 |
| Douro Lodge Limited | Households | 2001 |
| DR R Counsell Limited | Health & social care | 2004 |
| Dudmed Management Company Limited | Households | 1990 |
| Dunseverick Limited | Professional & scientific | 1998 |
| Durer Limited | Wholesale & retail | 1992 |
| Easy Payroll Solutions Limited | Professional & scientific | 2007 |
| Egerton Court (Bristol) Management Company Limited | Households | 2006 |
| Elanedge Limited | Professional & scientific | 1993 |
| Elmgrove Park Freehold Limited | Households | 2011 |
| Emlyn Canvas and Cordage Company Limited | Professional & scientific | 1980 |
| Emma's Country Cakes Limited | Manufacturing | 2006 |
| Endeavour Holidays Limited | | 1988 |
| Enderley Marketing Limited | Professional & scientific | 2007 |
| Endura Consulting Ltd | Professional & scientific | 2005 |
| Entiveon Limited | Professional & scientific | 2005 |
| EQ4U Limited | Professional & scientific | 2001 |
| ERA Catering Ltd | Hospitality | 2023 |
| Eskimarket(Coalway) Ltd | Hospitality | 2019 |
| Euro Office Supplies Limited | Wholesale & retail | 2005 |
| Eurogold Contracts Limited | | 1993 |
| Euthenics Limited | Information & communication | 2005 |
| Evesham Road Management Company Limited | Households | 2001 |
| Evestigio Limited | Professional & scientific | 2004 |
| Expedia Management Services Ltd | Professional & scientific | 2003 |
| F.I.E.T.A Limited | Education | 2005 |
| FBL Limited | Professional & scientific | 1991 |
| Ferg Griffin Drums Limited | Education | 2021 |
| Ferneyley Investments Limited | Extraterritorial | 1945 |
| Field Rentals Limited | Arts & recreation | 1988 |
| Finalright Property Management Limited | Real estate | 1995 |
| Financial Partner Limited | Professional & scientific | 2004 |
| Firewitch Investments Ltd | Financial services | 2020 |
| Fish @ Severn & WYE Limited | Real estate | 2012 |
| Five Trees Court (Management) Limited | Households | 1993 |
| Focusnetworks UK Limited | Information & communication | 2008 |
| Folly Wines Limited | Wholesale & retail | 2001 |
| Footesteps Limited | Arts & recreation | 2004 |
| Forest Equipment Services Limited | Extraterritorial | 1983 |
| Forest Shine Ltd | Other services | 2023 |
| Forward Land Limited | Real estate | 2000 |
| Forward Projects Ltd | Other services | 2007 |
| Foxcubs Day Nursery Limited | Other services | 2006 |