| Carambola Limited | Middlesex | A rating |
| Caramel Express Perth Limited | Perth | A rating |
| CARAMEL LIMITED | LONDON | A rating |
| Caramel Rock | London | A rating |
| Caramello Didsbury | Didsbury | A rating |
| Caraston Hall Support Ltd | Exeter | A rating |
| Caravel Foods (UK) Ltd | London | A rating |
| Caravela Limited | London | A rating |
| Carbide Industries Limited | Scunthorpe | A rating |
| Carboebourne Limited | London | A rating |
| Carbogen Amcis Ltd | Manchester | A rating |
| Carbolite Gero Limited | Hope Valley | A rating |
| Carbon (AI) Ltd | Middlesbrough | A rating |
| CARBON ACTIVATED LTD | Bristol | A rating |
| Carbon Cap Management LLP | London | A rating |
| Carbon Cell Ltd | London | A rating |
| CARBON CLEAN SOLUTIONS LIMITED | London | A rating |
| CARBON FUTURE LIMITED | Luton | A rating |
| Carbon Futures (Consultancy) Ltd | Glasgow | A rating |
| Carbon Gap Limited | London | A rating |
| Carbon Green Ltd (MyCarbon) | London | A rating |
| Carbon Kopi | London | A rating |
| Carbon Limiting Technologies | Fleet | A rating |
| Carbon Magics Ltd | Wickwar | A rating |
| CARBON NEUTRAL GRANTS LTD | Bradford | A rating |
| Carbon Numbers Limited | Elmstead Market | A rating |
| Carbon Plan Engineering | Huddersfield | A rating |
| Carbon Responsible Ltd | London | A rating |
| Carbon Rewind | Watford | A rating |
| Carbon Savings Limited | cheshire | A rating |
| Carbon Trade Exchange Ltd | Slough | A rating |
| Carbon Underwriting | London | A rating |
| Carbon Underwriting Limited | London | A rating |
| Carbon13 Venture Builder Limited | Cambridge | A rating |
| Carbon3 Ltd | Maidstone | A rating |
| Carbon60 Limited | Luton | A rating |
| Carbonbit Limited | Lytham | A rating |
| CarbonChain.io Limited | London | A rating |
| Carbonplace UK Limited | London | A rating |
| CARBONSPARK LTD | London | A rating |
| Carbonxgen Limited | Sandhurst | A rating |
| Carbrey Group | Gloucester | A rating |
| Carclo plc | Ossett | A rating |
| Carclo Technical PLastics Ltd | Mitcham | A rating |
| CARCROFT NEWS | DONCASTER | A rating |
| Card Geotechnics Limited | Godalming | A rating |
| CARD TRANSACT LIMITED | London | A rating |
| CARDAMOM CONSULTING LTD | London | A rating |
| CARDAMON ALLIANCE GROUP LTD | Sheffield | A rating |
| Cardaq Ltd | London | A rating |
| Cardea Financial Services UK Limited | London | A rating |
| Cardea Healthcare Limited | Ascot | A rating |
| Carden Cunietti Ltd | London | A rating |
| Carden Livestock Company | Melrose | A rating |
| Carden Park Hotel Ltd | Chester | A rating |
| Cardenden Premier Ltd | Crieff | A rating |
| Cardens Business Advisers | Hove | A rating |
| Carders News Off Licence | King's Lynn | A rating |
| CARDIAC DPOW LIMITED | Hessle | A rating |
| Cardiac Risk in the Young | Leatherhead | A rating |
| CardiaTec Biosciences Ltd | Cambridge | A rating |
| Cardicare LTD | Sunderland | A rating |
| CARDIFF & VALE CARING 4 U LIMITED | BARRY | A rating |
| Cardiff and Vale College | Cardiff | A rating |
| Cardiff and Vale University Health Board | Cardiff | A rating |
| Cardiff Blues | Cardiff | A rating |
| CARDIFF CHINESE CHRISTIAN CHURCH | CARDIFF | A rating |
| Cardiff City Football Club Limited | Cardiff | A rating |
| Cardiff Council | Cardiff | A rating |
| Cardiff Cruises Ltd | Cardiff | A rating |
| Cardiff Home Care Limited | Cardiff | A rating |
| Cardiff Metropolitan University | CARDIFF | A rating |
| Cardiff Mind | Cardiff | A rating |
| Cardiff Montessori School Limited | Swansea | A rating |
| Cardiff Park Plaza Ltd | Cardiff | A rating |
| CARDIFF PET GROUP LTD | CARDIFF | A rating |
| CARDIFF RUGBY CLUB LIMITED | Cardiff | A rating |
| Cardiff Rugby Football Club Limited | Cardiff | A rating |
| CARDIFF SCANS LTD | BATH | A rating |
| Cardiff Soft Play Ltd | Cardiff | A rating |
| Cardiff Steiner Early Years Centre Ltd | Cardiff | A rating |
| Cardiff Third Sector Council (C3SC) | Cardiff | A rating |
| Cardiff Union Services Limited | Cardiff | A rating |
| Cardiff University | Cardiff | A rating |
| Cardiff Visionplus Limited t/a Specsavers | Cardiff | A rating |
| Cardigan Islamic Cultural Centre Ltd | Cardigan | A rating |
| Cardinal Engineering Ltd | Crawley | A rating |
| Cardinal Health U.K. 432 Limited | Leeds | A rating |
| Cardinal Hospital Limited t/a Cardinal Clinic | London | A rating |
| CARDINAL INSURANCE MANAGEMENT SYSTEMS LIMITED | London | A rating |
| Cardinal Maritime Limited | Manchester | A rating |
| Cardinal Medical Practice | Ipswich | A rating |
| Cardinal Pole Catholic School | Hackney | A rating |
| Cardium Law Limited | London | A rating |
| Cardlane Limited | London | A rating |
| Cardlytics UK Limited | London | A rating |
| Cardo (Wales & West) Limited | Cardiff | A rating |
| Cardo Group Limited | Cardiff | A rating |
| Cardonet Consultancy Ltd | London | A rating |
| Cardonet Limited | London | A rating |
| Cardstack Consulting Limited | MANCHESTER | A rating |
| Cardstream Services Limited | Tautnon | A rating |
| Cardtronics UK Limited | Dundee | A rating |
| Cardun Care CIC | Birmingham | A rating |
| Care & Carers Ltd | Aylesbury | A rating |
| Care & Co Ltd | Swansea | A rating |
| CARE 2 SHARE LIMITED | Middlesex | A rating |
| CARE 2 U LIMITED | Walsall | A rating |
| Care 24 (UK) Limited | Manchester | A rating |
| Care 24-7 Limited | Shipley | A rating |
| Care 4 All Limited | Luton | A rating |
| CARE 4 ALL LTD | LONDON | A rating |
| Care 4 Care Services Ltd | Wimbledon | A rating |
| Care 4 J Limited | Sheffield | A rating |
| CARE 4 U (C4U) LTD | Romford | A rating |
| Care 4 U (Leicestershire) Limited | Leicester | A rating |
| Care 4 You Manchester Ltd | Stockport | A rating |
| CARE 4U CARE LIMITED | Rotherham | A rating |
| CARE 4U SERVICES (MIDLANDS) LTD | Leamington Spa | A rating |
| Care Acre Limited | Oxford | A rating |
| Care Advocates LTD | South Croydon | A rating |
| Care Agency Services Ltd | London | A rating |
| Care and Compassion Agency Ltd | Reading | A rating |
| Care and Homes Limited | London | A rating |
| CARE AND MANAGEMENT SERVICES LIMITED | Birmingham | A rating |
| Care and Protect UK Ltd | Sacriston | A rating |
| Care and Resolve Ltd | Manchester | A rating |
| Care and Support (Resource) Services Ltd | Birmingham | A rating |
| Care and Support Staff Limited | Worcester | A rating |
| CARE AND SUPPORT TM LTD | CHESTER | A rating |
| Care and Training Services Ltd | Whitefield | A rating |
| Care And Trust Limited | Nottingham | A rating |
| Care Angels Batley Ltd | Batley | A rating |
| CARE ANGELS HOMECARE LIMITED | Wolverhampton | A rating |
| Care Assist Limited | Harrow | A rating |
| Care at Call | Sutton Coldfield | A rating |
| Care at Home (Midlands) Limited | Leicestershire | A rating |
| Care AT Home Newbury Ltd | Reading | A rating |
| CARE AT HOME READING LIMITED | Wokingham | A rating |
| Care at Home Services (South East) Ltd. | Tunbridge Wells | A rating |
| Care At Home Services Limited | Greenford | A rating |
| Care at Home Services South East | Tunbridge Wells | A rating |
| Care At My Home Ltd | Beckenham | A rating |
| Care at your home LTD | High Wycombe | A rating |
| Care By Mail Limited | London | A rating |
| Care By Us Limited | Bishop's Stortford | A rating |
| Care Central Ltd | London | A rating |
| CARE CENTRE INC LTD | COVENTRY | A rating |
| Care Centres Wales Limited T/A Pen Y Bryn Care Home | Swansea | A rating |
| CARE CHAMPIONS SUPPORT LTD | Ilford | A rating |
| CARE CHOICE+ LTD | Towbridge | A rating |
| CARE CIRCLE LTD | NEWMARKET | A rating |
| Care City Innovation C.I.C | Barking | A rating |
| Care Concept - Solutions Limited | Wokingham | A rating |
| Care Concern Management EA Ltd | Slough | A rating |
| Care Confidence Ltd | Crosby | A rating |
| Care Connect Bury Ltd | Bury | A rating |
| Care Connect Cheshire Ltd | Winsford | A rating |
| Care Connexions UK Ltd | Thornton Heath | A rating |
| CARE CONSORTIUM (BIDDULPH) LIMITED | ADDLESTONE | A rating |
| CARE CONSULT ID LIMITED | Newmarket | A rating |
| Care Correct LTD | Warrington | A rating |
| Care Cover 24/7 Ltd | Wolverhampton | A rating |
| Care Cover Limited | Leeds | A rating |
| Care Crew Scotland Limited | Edinburgh | A rating |
| Care Cymru Services Limited | Cardiff | A rating |
| CARE DENTAL LTD | EDGWARE | A rating |
| Care developments (livingston)Ltd | Dunkeld | A rating |
| Care Direct 24 Limited | Manchester | A rating |
| Care Direct and Support Solutions Ltd | Walsall | A rating |
| Care Direct Recruitment Ltd | St. Leonards-On-Sea | A rating |
| Care Direct Salford Ltd | Manchester | A rating |
| Care Dorset | Dorchester | A rating |
| CARE DYNAMICS LTD | Bournemouth | A rating |
| Care Dynamics Yorkshire Ltd | Keighley | A rating |
| Care Education Ltd T/A Staffing Connect | Hounslow | A rating |
| CARE EMBASSY CONSULTANCY AND TRAINING LTD | Hatfield | A rating |
| Care Epsom & Reigate Limited | Tadworth | A rating |
| Care Essence Support Ltd | Bexleyheath | A rating |
| Care Esteem Limited | Preston | A rating |
| Care Excel 247 Limited | Ickenham | A rating |
| care excellence ltd | new romney | A rating |
| Care Expertise Group Limited | Croydon | A rating |
| Care Facilities & Management Ltd | Cookstown | A rating |
| CARE Fertility Group Ltd. | Nottingham | A rating |
| Care First (Smethwick) Ltd | Smethwick | A rating |
| Care First (UK) Limited T/As Offmore Residential Home | Worcestershire | A rating |
| Care First 24 Ltd | Brasted | A rating |
| Care First Class (UK) Ltd | Birmingham | A rating |
| Care First Services Limited | Birmingham | A rating |
| Care for Children | Norwich | A rating |
| Care for Veterans | Worthing | A rating |
| Care for your life Ltd | Skegness | A rating |
| Care Force Limited | Bromsgrove | A rating |
| CARE GATES SERVICES LTD | ILFORD | A rating |
| Care Givers Ltd | Colchester | A rating |
| Care Hand Service Ltd | London | A rating |
| Care Herts Limited | Welwyn Garden City | A rating |
| Care Hires Limited | Leicester | A rating |
| Care Home Consultancy Services Ltd T/A Rushey Mead Manor | Leicester | A rating |