| CRUCIAL REMOVALS LTD | Wednesbury | A rating |
| CRUCIAL VISUAL COMMUNICATIONS CONSULTANCY LIMITED | Dundee | A rating |
| Crucible Digital Ltd | London | A rating |
| Crucis Designs Ltd | Leigh on Sea | A rating |
| Cruickshank Ltd | London | A rating |
| Crumbs and Doilies Limited | London | A rating |
| Crumbs Cupcakery | York | A rating |
| Crumpsall Stores Limited T/A Spar Crumpsall | Manchester | A rating |
| CRUNCH 'N' MUNCH LTD t/a SUBWAY | Dover | A rating |
| Crunch Communications Limited | Wimbledon | A rating |
| Crunch Communications Ltd | Wimbledon | A rating |
| Crunch DMC Limited | South Wales | A rating |
| CRUNCH MANCHESTER LTD | MANCHESTER | A rating |
| Crunchyroll Limited | London | A rating |
| CRUNCHYS KEBAB LTD | Bolton | A rating |
| Crusaders Community Basketball Ltd | Blean | A rating |
| Crusaders FC | BELFAST | A rating |
| Crusoe Inns Limited | London | A rating |
| Crust & Crumb Bakery | Derrylin | A rating |
| CRUSTCRAFT LTD | LONDON | A rating |
| Crusty Pizzeria Limited T/A Crusty Pizza | Pontefract | A rating |
| Crux Product Design Ltd | Bristol | A rating |
| Crux Sports Ltd | London | A rating |
| CRUXSOL LIMITED | Basildon | A rating |
| Cruxy & Co Limited | London | A rating |
| Cruz Novillo Astrada | Maidenhead | A rating |
| CRW (UK) Ltd | Wembley | A rating |
| Crwban Care and Support Ltd | Pontypridd | A rating |
| Crydent Ltd | Bolton | A rating |
| CRYERS HILL POSTOFFICE AND STORES | HIGH WYCOMBE | A rating |
| Crying Out Loud | Portsmouth | A rating |
| Cryne Limited | Scunthorpe | A rating |
| Cryogenic Limited | London | A rating |
| Cryolab Limited | Chichester | A rating |
| Cryptic Glasgow Ltd | Glasgow | A rating |
| Cryptio Ltd | London | A rating |
| Crypto Coin Comparison LTD | London | A rating |
| Crypto Facilities Ltd | London | A rating |
| Crypto Quantique Ltd | London | A rating |
| CRYPTOCRYSTALS LIMITED | LONDON | A rating |
| Cryptonomics LLP | London | A rating |
| CRYSTAL 443 LTD | Northampton | A rating |
| Crystal Amusements Limited t/a Asian Pearl Seafoods | London | A rating |
| Crystal Ball Ltd | Manchester | A rating |
| CRYSTAL BALTI FOOD AND CATERING LTD | Stourbridge | A rating |
| Crystal Business Consultants Ltd | Bradford | A rating |
| Crystal Business Solutions Ltd | Brackley | A rating |
| Crystal Care Homes (2) Limited | Leeds | A rating |
| Crystal Caring Limited | Swindon | A rating |
| CRYSTAL CASH AND CARRY LIMITED | Swansea | A rating |
| CRYSTAL CLEANERS IVER LTD | Iver | A rating |
| Crystal Clover Ltd | Mitcham | A rating |
| Crystal Commercial & Industrial Services Ltd | Reading | A rating |
| CRYSTAL DRY CLEANERS LTD | London | A rating |
| Crystal Facilities Management Limited | London | A rating |
| Crystal Global Limited | LONDON | A rating |
| CRYSTAL GROUP SERVICES LTD | LONDON | A rating |
| Crystal Hair & Cosmetics Ltd | London | A rating |
| Crystal Hall | Preston | A rating |
| Crystal Hall Ltd | Preston | A rating |
| Crystal Hospitality Services Ltd | Edinburgh | A rating |
| CRYSTAL HOUSE PLATINUM LIMITED | WILMSLOW | A rating |
| CRYSTAL HOUSING LTD | Birmingham | A rating |
| Crystal Kitchen & Bedrooms Ltd | Northolt | A rating |
| Crystal Laundrette & Dry Cleaners | London | A rating |
| CRYSTAL LAW LIMITED | Leicester | A rating |
| Crystal London (Green Street) Ltd | London | A rating |
| Crystal London Bridal Studio Ltd | London | A rating |
| Crystal London Ltd T/A Gooey Waffle | Enfield | A rating |
| Crystal Management Services Ltd | London | A rating |
| Crystal Myths UK Ltd | London | A rating |
| CRYSTAL NAMAK LTD | London | A rating |
| Crystal Nursery (UK) Limited | London | A rating |
| Crystal Nursing Services Ltd | Harrow | A rating |
| Crystal Oak Constructions Ltd | Hillingdon | A rating |
| Crystal Palace Football Club Limited | London | A rating |
| Crystal Patisserie Limited | London | A rating |
| Crystal Peaks Specsavers Ltd | Crystal Peaks | A rating |
| Crystal Pharmacy | Wembley | A rating |
| Crystal Point Consulting Limited | Romford | A rating |
| Crystal Properties (Leeds) Ltd | Leeds | A rating |
| CRYSTAL SECURITY SERVICES LIMITED | Barking | A rating |
| CRYSTAL SERVICES MCR LIMITED | Manchester | A rating |
| crystal shine motors ltd | manchester | A rating |
| Crystal Social care Limited | Brentwood | A rating |
| Crystal Solicitors Ltd | Milton Keynes | A rating |
| Crystal Tide Ltd | Loughguile | A rating |
| CRYSTAL UNITS LIMITED | HENDON | A rating |
| CRYSTAL UTILITIES LTD | Romford | A rating |
| CRYSTAL VIEW GLAZING LTD | BOLTON | A rating |
| Crystal Wembley Ltd T/A Crystal Events & Management | Wembley | A rating |
| CRYSTAL WINDOWS MCR LTD | Manchester | A rating |
| Crystalite Limited | Wolverhampton | A rating |
| CRYSTALLINE BUSINESS SOLUTIONS LTD | Surrey | A rating |
| Crystallise Ltd | Colchester | A rating |
| CrystalMaker Software Ltd | Begbroke | A rating |
| Crystals R Us Limited | Wembley | A rating |
| CrystoGen Ltd | Manchester | A rating |
| CS (PVT) LTD | Aberdeen | A rating |
| CS BUSINESS(UK) LIMITED | London | A rating |
| CS Disco Ltd | London | A rating |
| CS Genetics Limited | Cambridge | A rating |
| CS Global Energy Limited | London | A rating |
| CS Global Partners Limited | London | A rating |
| CS Hospitality Ltd | London | A rating |
| CS Hub Ltd | Tunbridge Wells | A rating |
| CS Infocomm UK Limited | London | UK Expansion Worker: Provisional |
| CS Managers Ltd | Edinburgh | A rating |
| CS Modern Workforce UK Ltd | Stirling | A rating |
| CS One Design Ltd | Sittingbourne | A rating |
| CS Services (Midlands) Ltd | Leicester | A rating |
| CS Soho Ltd | London | A rating |
| CS&B LTD | Bootle | A rating |
| CSA Group Testing UK Ltd | Deeside | A rating |
| CSA Landscape Limited | Ashwell | A rating |
| CSA Limited | LONDON | A rating |
| CSAM Optima UK Limited | Reading | A rating |
| CSC Administrative Services Limited | London | A rating |
| CSC Computer Sciences Limited | Farnborough | A rating |
| CSC MANAGEMENT SERVICES (UK) LIMITED | LONDON | A rating |
| CSG Bodyshop LTD | Chesterfield | A rating |
| CSG Healthcare UK Ltd | Carlisle | A rating |
| CSI GLOBAL HOLDINGS LIMITED | London | A rating |
| CSI LEASING UK LIMITED | Sheffield | A rating |
| CSignum Ltd | Bathgate | A rating |
| CSJ RETAIL PVT LIMITED | Dudley | A rating |
| CSK CONSULTANCY & TRADING LTD | LONDON | A rating |
| CSL Capital (UK) Ltd | London | A rating |
| CSL Dualcom Ltd | Watford | A rating |
| CSL Group Services Ltd | Retford | A rating |
| CSM Architects | Newcastle Upon Tyne | A rating |
| CSM CONSULTING SERVICES LTD | Slough | A rating |
| CSO Shipbroker Ltd | London | A rating |
| CSS CARE LTD | NELSON | A rating |
| CSS Contracts Ltd | Surbiton | A rating |
| CSS Corporate Solutions Ltd | London | A rating |
| CSS Environmental LTD | Rochester | A rating |
| CSS SECURITY LTD | LIVERPOOL | A rating |
| CSS Total Security Limited | Whiteley | A rating |
| CSSCK UK Ltd | London | A rating |
| CSSQ LTD | London | A rating |
| CSSW.London Limited | Bedford | A rating |
| CST Training Ltd | Dartford | A rating |
| CSW GATEHOUSE LTD | KIRKCUDBRIGHT | A rating |
| CSYNDICATE LTD | London | A rating |
| CT BUILT LTD | London | A rating |
| CT Creative Solutions Ltd | Witney | A rating |
| CT Engineering Group UK Limited | Bristol | A rating |
| Ct Global Freight Audit Ltd | Birmingham | A rating |
| CT Group (UK) Trading Limited | London | A rating |
| CT Tracking Services Ltd | London | A rating |
| CT2 Ltd t/a Tower Cold Chain | Reading | A rating |
| CTA Healthcare Ltd T/A Bonnyton House Care Home | Ellon | A rating |
| Ctalk Limited | Salford | A rating |
| CTAX Limited | London | A rating |
| CTC HOLDING LIMITED | London | A rating |
| CTC LONDON LIMITED | London | A rating |
| ctchealthcare Ltd | Crewe | A rating |
| CTD Care Services Limited | Pembroke Dock | A rating |
| CTD Tiles Ltd | Newcastle upon Tyne | A rating |
| CTDI Glenrothes Limited | Glenrothes | A rating |
| CTDI Milton Keynes Ltd | Milton Keynes | A rating |
| CTE Advanced Technologies Ltd | Aylesbury | A rating |
| CTG Direct UK Limited | London | A rating |
| CTG Metropark Limited | Richmond | A rating |
| CTH Awards Limited | London | A rating |
| CTI Digital Limited | Manchester | A rating |
| CTIR LTD TA Cafe Chutneys Shipston | Shipston-on-Stour | A rating |
| CTL Scouting Ltd | London | A rating |
| CTL SEAL LIMITED | SHEFFIELD | A rating |
| CTLD Ltd | RICHMOND | A rating |
| CTM Europe Limited | Llantrisant | A rating |
| CTM RESTAURANTS LIMITED | Croydon | A rating |
| CTM Restaurants Ltd | London | A rating |
| CTO Data Services Group Ltd | London | A rating |
| CTP ENVIRONNEMENT UK | London | A rating |
| CTR (GROUP) LIMITED | Uttoxeter | A rating |
| Ctrl Group | LONDON | A rating |
| CTRL SPACES | Ashford | A rating |
| CTRLFRK LIMITED | London | A rating |
| CTRLSYS LTD | STOKE-ON-TRENT | A rating |
| CTS | Morley | A rating |
| CTS ENTERPRISE | PONTYPRIDD | A rating |
| CTS INTERNATIONAL LOGISTICS (UK) CO LTD | Staines-Upon-Thames | A rating |
| CTS Offshore and Marine Limited | Hammersmith | A rating |
| CTT Law Ltd | Leamington Spa | A rating |
| CTVETS LTD | London | A rating |
| CU Apps Ltd | Glasgow | A rating |
| CU GLOBAL SUPPLY CHAIN LTD | BIRMINGHAM | A rating |
| CU Lighting Ltd | Ware | A rating |
| CU MEDICAL SERVICES LTD | FARNBOROUGH | A rating |
| CUA Hotel Limited, University Arms & Parkers Tavern | Cambridge | A rating |
| CuanTec Limited | Glasgow | A rating |
| CUATRECASAS, LLP | London | A rating |
| Cub Studio Ltd | Brighton | A rating |
| Cubanhall Limited | Aberdeen | A rating |
| Cube (N.I.) Limited | Belfast, | A rating |
| CUBE (PRESTON) LTD | Preston | A rating |
| Cube Content Governance Ltd. | London | A rating |
| Cube Desserts Corporate Ltd | Bolton | A rating |