| Chief Mechanic Limited | Ipswich | A rating |
| Chief Productions Ltd | Media City, Manchester | A rating |
| Chieftain Trailers | Dungannon | A rating |
| CHIEN-YUEN LTD | Scotland | A rating |
| Chiene + Tait Limited Liability Partnership | Edinburgh | A rating |
| Chiesi Limited | Manchester | A rating |
| Chigwell Foods LTD | WOODFORD GREEN | A rating |
| Chigwell Homes Ltd | Epping | A rating |
| Chigwell School | Chigwell | A rating |
| Chigwell Window Centre Limited | Hainault | A rating |
| CHIGWELL WINDOW CENTRE PLC | Ilford | A rating |
| Chihuang Music School Limited | Liverpool | A rating |
| CHIKACHI PERI PERI LIMITED | London | A rating |
| Chikara Investments LLP | London | A rating |
| ChikChak Construction Ltd | London | A rating |
| Chikn Limited | London | A rating |
| Chilcote Surgery | Torquay | A rating |
| Child & Child Law Limited | London | A rating |
| Child & Child Solicitors | London | A rating |
| Child Connect Limited | London | A rating |
| Child Evangelism Fellowship of Britain | Poole | A rating |
| Child Evangelism Fellowship of Ireland | Belfast | A rating |
| Childcare & Learning (Holdings) Ltd | Horley | A rating |
| Childerstone Project Management | Leeds | A rating |
| Children & Adolescents Placement Provisions | Northampton | A rating |
| Children Ahead Ltd. | London | A rating |
| Children Assisted in a Real Environment Ltd | London | A rating |
| Children Change Colombia Ltd | London | A rating |
| Children in Crossfire | Derry | A rating |
| Children of Fire International | Pinner | A rating |
| Children of the Mangrove | London | A rating |
| Children To Prosper Limited | Bedford | A rating |
| CHILDREN'S COMPLEX CARE LTD | London | A rating |
| Children's Discovery Centre East London | Stratford | A rating |
| Children's Health and Medical Practice Ltd | London | A rating |
| Children's HIV Association | Bristol | A rating |
| Children's Hospices Across Scotland | Edinburgh | A rating |
| Childrens Day Care Company Limited | London | A rating |
| Childrensalon Team Ltd | Tunbridge Wells | A rating |
| ChildSpeech Ltd | Bristol | A rating |
| Childsplay Clothing Ltd | Dagenham | A rating |
| Chile Copper Limited | London | A rating |
| Chili Masala Limited T/A Curry Leaf | Gloucestershire | A rating |
| CHILIS RESTAURANT LIMITED t/a CHILLIS INDIAN RESTAURANT | DERRY | A rating |
| Chill Catering Ltd / The Lokanta | London | A rating |
| CHILL TEA TOKYO LTD | London | A rating |
| Chilla Pizza and Valentinos | Peterlee | A rating |
| CHILLE GRILL LIMITED | Glasgow | A rating |
| CHILLED EVENTS LIMITED | SWINDON | A rating |
| Chillfrost Ltd | Ilford | A rating |
| CHILLGRILL LTD | Bristol | A rating |
| Chilli & Grille Ltd T/A Chilli, Grille, Evoo, The Kebab Factory & Mexigo | BARNSLEY | A rating |
| Chilli and Pepper Ltd | Barckley | A rating |
| CHILLI BALTI LTD, T/A KASHMIR BALTI | HAYWARDS HEATH | A rating |
| Chilli Bar N Restaurant | St Albans | A rating |
| Chilli Castle | Preston | A rating |
| Chilli Catering Limited | Willenhall | A rating |
| CHILLI CHILL LIMITED | Kent | A rating |
| Chilli Hove Limited | Hove | A rating |
| Chilli Hutt | Nottingham | A rating |
| CHILLI LTD | STOCKPORT | A rating |
| Chilli Masala Dordon LTD T/a Chilli Massala | Tamworth | A rating |
| CHILLI MASALA OF MENAI BRIDGE LTD T/A Taste of India | Menai Bridge | A rating |
| Chilli N Chutney Limited | Ilford | A rating |
| CHILLI NIGHTS LIMITED | Surrey | A rating |
| Chilli Pepper (Scot) Limited | Perth | A rating |
| Chilli Source Software Limited | Newry | A rating |
| CHILLI SPICE (SPRING GARDEN) LTD | Shrewsbury | A rating |
| chilli spice Limited | Camberley | A rating |
| Chilli Zone Limited | Colchester | A rating |
| Chilli's Bridgford Ltd | Nottingham | A rating |
| ChilliBean Limited | London | A rating |
| CHILLICHICKS TONG LTD | Bradford | A rating |
| Chillies Fastfood Ltd t/a Mr Chilli Tandoori | Glasgow | A rating |
| Chillies Nitshill Ltd | Glasgow | A rating |
| Chilligrillz Ltd | Oban | A rating |
| CHILLIICHICKS LIMITED | Dewsbury | A rating |
| Chillika LTD | Bexleyheath | A rating |
| Chillim Kitchen Limited | Reading | A rating |
| Chillis Bridgeford Ltd | Nottingham | A rating |
| Chillisauce Ltd | London | A rating |
| Chillway Express Specials Ltd | Tewkesbury | A rating |
| Chilo's Fast Food Ltd | Glasgow | A rating |
| Chilos Fast Food Ltd | Glasgow | A rating |
| Chiltern Aegis Ltd | Bourne End | A rating |
| Chiltern Care Services Limited | Princes Risbrough | A rating |
| CHILTERN CARS LTD | LUTON | A rating |
| Chiltern Connections Ltd | Wallingford | A rating |
| CHILTERN CONTRACTS LIMITED | Bedford | A rating |
| CHILTERN HOTEL LTD | LUTON | A rating |
| Chiltern Jigsaw Resource Centre | Harrow | A rating |
| Chiltern Learning Trust | Luton | A rating |
| Chiltern Nursery & Training College | Reading | A rating |
| Chiltern Referrals Ltd | Bracknell | A rating |
| Chiltern Residential Homes Limited | Stoke On Trent | A rating |
| Chiltern Street Hotel Ltd | London | A rating |
| CHILTERN SUPPORT & HOUSING LTD | HIGH WYCOMBE | A rating |
| Chiltern Way Academy Trust | Aylesbury | A rating |
| Chilterns Conservation Board | Chinnor | A rating |
| ChilternWellbeing Ltd | Hayes | A rating |
| CHILTON HOTEL LTD | Blackpool | A rating |
| Chilton Investment Company Limited | London | A rating |
| Chilworth & Gray T/A Elle designs Ltd | Altrincham | A rating |
| Chilworth care ltd TA Peel House Nursing Home | Fareham | A rating |
| Chime Communications Limited | London | A rating |
| Chime Software Limited | Kings Langley | A rating |
| Chimemill Limited | Hertfordshire | A rating |
| CHIMES INTERNATIONAL ENTERTAINMENTS LTD | GLASGOW | A rating |
| Chimney Tapas and Shisha Limited T/A Momo Station | Aldershot | A rating |
| CHIMSONS LIMITED | RUISLIP MANOR | A rating |
| Chin Chin Choo limited t/a Cho Asia | London | A rating |
| China Airlines Ltd | London | A rating |
| China Association for International Exchange of Personnel | London | A rating |
| China Aviation Fuel (Europe) Limited | London | A rating |
| China Cargo Airlines Limited | Stansted | A rating |
| China CITIC Bank Corporation Limited | London | A rating |
| China Classification Society | London | A rating |
| China Connect Partners Ltd | London | A rating |
| China Construction Bank Corporation London Branch | London | A rating |
| China Construction UK Limited | London | A rating |
| China Council for the Promotion of International Trade Representative Office in the UK | London | A rating |
| China Daily UK Co. Ltd | London | A rating |
| China Design Centre Ltd | London | A rating |
| China Development Bank London Representative Office | London | A rating |
| China Eastern Airlines Corporation Limited | London | A rating |
| China Fusion Original Limited | Dorset | A rating |
| China Garden Yang Ltd | Londonderry | A rating |
| China Global Television Network Europe Ltd. | London | A rating |
| China Harbour Engineering Company (UK) Ltd | London | A rating |
| China Healthcare UK Limited | Barking | A rating |
| China Holidays Ltd | London | A rating |
| China International Capital Corporation (UK) Limited | London | A rating |
| China Investment Corporation London Representative Office | London | A rating |
| China Life Investment Management Company Limited U.K. Representative Office | London | A rating |
| China Marketing Corp | LEEDS | A rating |
| China Merchants Bank Co., Ltd. | London | A rating |
| China Merchants Securities (UK) Limited | London | A rating |
| CHINA MINSHENG BANKING CORPORATION LIMITED LONDON BRANCH | LONDON | A rating |
| China Mobile International (UK) Limited | London | A rating |
| China National Publications Import & Export Corporation London Office | London | A rating |
| China National Tourist Office | London | A rating |
| CHINA NEXT FOUNDATION | Richmond | A rating |
| China Petroleum & Chemical Corporation | LONDON | A rating |
| China Re Underwriting Agency Limited | London | A rating |
| China Red Poulton LTD | Poulton-Le-Fylde | A rating |
| China Southern Airlines Company Limited | Hounslow | A rating |
| China Taiping Insurance (UK) Co Ltd | London | A rating |
| China Tang London Limited | London | A rating |
| China Telecom (Europe) Ltd. | London | A rating |
| China Travel Service & Information Centre Ltd | London | A rating |
| China UK Gateway Limited | London | A rating |
| China Unicom (Europe) Operations Limited | London | A rating |
| CHINA WINE & SPIRIT (UK) CO. LTD | London | A rating |
| China-Britain Business Council | London | A rating |
| China-Europe Networks of Technology and Innovation Limited | London | A rating |
| Chinacache Networks (UK) Limited | London | A rating |
| CHINAR BUSINESS SOLUTIONS LTD | London | A rating |
| Chinar Services Ltd | London | A rating |
| CHINAR TRADE SERVICES LTD | Harston | A rating |
| Chinar Trading & Contracting UK Ltd | London | A rating |
| CHINARIAN LTD | Luton | A rating |
| CHINATOWN 888 LTD | Sheffield | A rating |
| Chinatown Bakery Ltd | London | A rating |
| CHINAWALA LIMITED T/A FORTUNE INN | Leyton | A rating |
| Chinese Alliance Churches Union (UK) | Manchester | A rating |
| Chinese British Enterprise Ltd | London | A rating |
| Chinese Business Gazette UK Ltd | London | A rating |
| Chinese Chequers Ltd | Stowmarket | A rating |
| Chinese Church in London | London | A rating |
| CHINESE EMBASSY | LONDON | A rating |
| Chinese Gospel Church Oxford | Oxford | A rating |
| Chinese Medicine Centre (London) Ltd | Middlesex | A rating |
| Chinese Medicine Research Centre of UK Limited | LONDON | A rating |
| Chinese Overseas Christian Mission | Milton Keynes | A rating |
| CHINESE PROFICIENCY TEST UK COMMITTEE | London | A rating |
| Chinese State Circus Limited | Congleton | A rating |
| CHINESE TASTE LTD | Guildford | A rating |
| CHINESE TEA NO.1 LTD | London | A rating |
| Chinese Tonight Ltd | Edgware | A rating |
| CHINESE-ENGLISH LEGAL EDUCATION LIMITED | London | A rating |
| CHINGFORD FABRIC CARE LTD | London | A rating |
| Chingford Foundation School | Chingford | A rating |
| Chingford Specsavers Limited | Chingford | A rating |
| CHINGFORD TYRES LIMITED | Chingford | A rating |
| Chini Restaurant | London | A rating |
| Chinite Resourcing Limited (trading as Chinite Home Care) | Braintree | A rating |
| Chinmaya Mission UK | London | A rating |
| Chinnor Bakery & Cafe | Chinnor | A rating |
| CHINNYWALA LTD | MANCHESTER | A rating |
| Chinti and Parker Limited | London | A rating |
| Chiomenti LLP | London | A rating |
| Chip Financial Ltd | London | A rating |
| Chip Synergy Ltd | Didcot | A rating |
| CHIP TRAINING & CONSULTING LTD | London, | A rating |
| Chip'd Chester Limited | CHESTER | A rating |
| Chiplime (Construction) Limited | Kent | A rating |
| Chiplogic Technologies Limited | Maidenhead | A rating |
| CHIPMONGERS PORTSTEWART | PORTSTEWART | A rating |
| Chipotle Mexican Grill UK Limited | London | A rating |
| Chippenham Cricket Club | Chippenham | A rating |