| CACEIS Bank UK Branch | London | A rating |
| Cache Net IT Limited | Redhill | A rating |
| CACI Limited | London | A rating |
| CACTUS COMMUNICATIONS LIMITED | LONDON | A rating |
| Cactus Crew Ltd | Luton | A rating |
| Cactus Energy Solutions Ltd | Cheadle Hulme | A rating |
| Cactus Food Limited | London | A rating |
| Cad Architecture (Midlands) Ltd | Birmingham | A rating |
| Cad Cam Consultancy Ltd | Rotherham | A rating |
| CAD Technologies Limited | Royston | A rating |
| CAD-IT UK Limited | Daventry | A rating |
| CAD21 LTD | Cramlington | A rating |
| Cadbury and Jones Ltd | London | A rating |
| Cadbury Homes Ltd | Birmingham | A rating |
| Cadbury House Hotel & Country Club Ltd | Congresbury | A rating |
| Cadcam Technology Ltd | Nottingham | A rating |
| Caddy's Kabin | Gainsborough | A rating |
| Cade Media Limited | Newcastle | A rating |
| Cadeby Tree Sales Ltd | Nuneaton | A rating |
| Cadeler UK Ltd | Norwich | A rating |
| Cadence Design Systems Limited | Bracknell | A rating |
| Cadensys Limited | London | A rating |
| Cadent Gas Ltd | Coventry | A rating |
| Cadenza Academic Translations Ltd | Exeter | A rating |
| Cades Accommodation Ltd | Oldbury | A rating |
| Cadfem UK CAE Limited | Croydon | A rating |
| Cadham Pharmacy Ltd | Glenrothes | A rating |
| Cadila Pharmaceuticals (Europe) Ltd | Ascot | A rating |
| CADJU LIMITED | Braintree | A rating |
| Cadlas Ltd | London | A rating |
| CADLEIGH INVESTMENTS LTD | Birmingham | A rating |
| Cadman Corporate Services Limited | Ecton | A rating |
| Cadmore Auctions LTD | Potters Bar | A rating |
| Cadmus Dental Care Limited T/A Churchview Dental Practice | Nottingham | A rating |
| Cadmus Distribution Group Ltd | Chelmsford | A rating |
| Cadmus International UK Limited | London | A rating |
| Cadog Homecare Ltd | Swansea | A rating |
| Cadogan Estates Limited | London | A rating |
| CADONIX LTD | Oxford | A rating |
| Cadpeople UK Ltd | Edinburgh | A rating |
| Cadran Services Limited t/a ICP | London | A rating |
| Cadre Components Ltd | Merseyside | A rating |
| CADRO TECHNOLOGIES LIMITED | London | A rating |
| CADS Ltd | BROADSTONE | A rating |
| CADUCIFER MEDICAL SERVICES LIMITED | Salisbury | A rating |
| Cadventure Ltd | Cirencester | A rating |
| Cadwalader, Wickersham & Taft LLP | London | A rating |
| Cadxtra | Beeston | A rating |
| CAE (UK) plc | Burgess Hill | A rating |
| CAE (UK) plc | West Sussex | A rating |
| CAE ENGINEERING & ARCHITECTURE LTD | Bournemouth | A rating |
| CAE Technology Services Limited | Hemel Hempstead | A rating |
| CAE USA Inc | Bury St. Edmunds | A rating |
| Caeffair Affalon House | Llanelli | A rating |
| Caerau Discount Store | Maesteg | A rating |
| Caerbont Automotive Instruments Ltd | Abercrave | A rating |
| Caerdav Limited | St Athan | A rating |
| Caerleon Hotels Limited | Caerleon | A rating |
| Caerleon House Care Ltd T/A Caerleon House Nursing Home | Caerleon | A rating |
| CAERNARFON KEBAB LTD | Wales | A rating |
| CAERNARFON TANDOORI T/A Caernarfon Tandoori | Caernarfon | A rating |
| Caero Healthcare Ltd | Telford | A rating |
| CAERPHILLY PHONES | CAERPHILLY | A rating |
| Caerus Lifecare Limited | Wembley | A rating |
| Caerwylan Hotel Limited | Criccieth | A rating |
| Caesar Management Limited (t/a The Caesar Hotel) | London | A rating |
| CAESARIO LOGISTICS LIMITED | Stockton-On-Tees | A rating |
| Caesars At The Minister LTD T/A Caesars | York | A rating |
| Caesars Trading and Technology Services Limited | Leeds | A rating |
| Caesigma Solutions UK Ltd | London | A rating |
| CAETOP COLLEGE LONDON LTD | Ilford | A rating |
| CAF Rail UK Limited | Belfast | A rating |
| CAFE AND KEBAB LIMITED | Windsor | A rating |
| Cafe Aroma | Southampton | A rating |
| CAFE AYLANTO LIMITED | Rochdale | A rating |
| CAFE BARCELONA | London | A rating |
| CAFE BOATS LIMITED | Gloucester | A rating |
| Cafe Central Park | Middlesbrough | A rating |
| Cafe Chat Ltd | SWINDON | A rating |
| Cafe Chutney's | Warwickshire | A rating |
| CAFE COCO LTD | OXFORD | A rating |
| CAFE COFFEA LTD | Birmingham | A rating |
| CAFE DANIEL LTD (Trading as Abu Daniel Shisha Cafe) | Leicester | A rating |
| Cafe De Nata Ltd | London | A rating |
| CAFE DE TRIV LTD | Leicester | A rating |
| Cafe Deccan Limited | London | A rating |
| CAFE DIEST LTD | Surrey | A rating |
| Cafe Diwali Limited T/A Cafe Diwali | Salisbury | A rating |
| Cafe East Oldham Ltd | Oldham | A rating |
| Cafe Edinburgh | Edinburgh | A rating |
| CAFE ESPANA LIMITED | London | A rating |
| CAFE EXPRESSO MK LIMITED | MILTON KEYNES | A rating |
| Cafe Form Ltd T/A The Highlander Inn | Craigellachie | A rating |
| Cafe G | Derbyshire | A rating |
| CAFE GAZETTE LIMITED | Birmingham | A rating |
| CAFE GRILL ROYTON LTD | Royton | A rating |
| CAFE GRILL ST ALBANS LTD T/A Cafe Grill | Luton | A rating |
| Cafe Grove Park | Chiswick, London | A rating |
| Cafe Happy Sapid Ltd | Middlesbrough | A rating |
| CAFE INDIA (NORTH ) LTD | London | A rating |
| Cafe light spice ltd T/A Maida The Feast | DEVON | A rating |
| Cafe Locco Ltd | Coventry | A rating |
| CAFE LOUNGE KENT LTD | Meopham | A rating |
| Cafe Luna Ltd | Halifax | A rating |
| CAFE MACCHIATO (ALDERSHOT) LTD | ALDERSHOT | A rating |
| Cafe Maestro Pizzaiolo Ltd | London | A rating |
| CAFE MALABAR LTD | Colchester | A rating |
| Cafe Mauds LTD | BELFAST | A rating |
| CAFE MIRAJ LTD | Luton | A rating |
| CAFE MIRO LIMITED | EDINBURGH | A rating |
| Cafe Mocha D | Shepperton | A rating |
| CAFE MOROCCO LTD T/A CREAMS CAFE | London | A rating |
| CAFE MULTA LTD t/a Black Gold | CHELTENHAM | A rating |
| Cafe Nar Ltd t/a Amber | London | A rating |
| Cafe OTO Limited | London | A rating |
| Cafe Pedlar Ltd | London | A rating |
| Cafe Piccante Limited | Edinburgh | A rating |
| Cafe Plum Ltd | London | A rating |
| Cafe Revive Limited | Milton Keynes | A rating |
| Cafe Route Ltd t/a Route Catering | Tottenham | A rating |
| Cafe Royal Management Limited | London | A rating |
| Cafe Salford ltd | Redhill | A rating |
| Cafe Sia Limited | Broadford | A rating |
| Cafe Spice (Oxford) Ltd | Oxford | A rating |
| CAFE SPICE NEW LTD | Heaton, Newcastle | A rating |
| CAFE SWEET LTD T/D as CAFE SWEET | London | A rating |
| CAFE TAJ WIGTON DELI LIMITED | Maryport | A rating |
| CAFE YARO LIMITED | Glasgow | A rating |
| CAFE' D'ORO LTD | London | A rating |
| CAFE' ZEERA LIMITED | Leighton Buzzard | A rating |
| Cafe13 Ltd | Bathgate | A rating |
| Cafea UK Ltd | Dunstable | A rating |
| Cafepoint LLP | London | A rating |
| CAFER EROL LONDON LIMITED | London | A rating |
| CAFETAX UK LIMITED | London | A rating |
| CAFETREATZ FELTHAM LTD | Feltham | A rating |
| CAFETREATZ WOKING LTD | Woking | A rating |
| CAFFE ATTLAS LTD | London | A rating |
| CAFFE CRAVINGS LIMITED | Mansfield | A rating |
| CAFFE DELLA ARANCE LIMITED | DUNDEE | A rating |
| CAFFRELLO LTD Trading as Caffrello Vietnam House | Newark | A rating |
| CAFGOLD LIMITED | WINDSOR | A rating |
| CAFOD | London | A rating |
| CAFRO FOODS LIMITED | Paisley | A rating |
| CAG Consulting Limited | London | A rating |
| CAG Investments Limited | Canterbury | A rating |
| Cagan Tech Limited | Thatcham | A rating |
| Cage Delivery Ltd | Nottingham | A rating |
| CAGLAYAN PLASTICS UK LTD | LONDON | A rating |
| Cahill Design Consultants | Colchester | A rating |
| Cahill Gordon & Reindel LLP | London | A rating |
| Cahill Welding Services Limited | Henstridge | A rating |
| Caia Park Surgery | Wrexham | A rating |
| Caice Acoustic Air Movement Ltd | WINNERSH | A rating |
| CAIGTRANSPORT LTD | East Tilbury | A rating |
| Caiman Software Development Limited | Banchory | A rating |
| Cain International UK Services Limited | London | A rating |
| CAINIAO (UK) LIMITED | BIRMINGHAM | A rating |
| Cainiao UK Supply Chain Limited | Dunstable | A rating |
| CAIRLLUM CARE LTD | Ayr | A rating |
| Cairn Cross Civil Engineering Limited | Morley, Leeds | A rating |
| Cairn Letting Limited | Glasgow | A rating |
| Cairn Movement | Glasgow | A rating |
| Cairn Risk Consulting Ltd | Glasgow | A rating |
| Cairn technology Ltd | Sheffield | A rating |
| Cairneagle Limited | London | A rating |
| Cairngorm Canoeing & Sailing School Ltd | Kingussie | A rating |
| Cairngorm Hotel Limited | Aviemore | A rating |
| Cairngorm Mountain (Scotland) Ltd | Aviemore | A rating |
| Cairnhill Homes A Ltd | Newry | A rating |
| Cairnhill Structures Limited | Coatbridge | A rating |
| Cairns Heritage Homes Limited | Hoton | A rating |
| Caisson Investment Management | London | A rating |
| Caistor Grammar School | Market Rasen | A rating |
| Caistor Health Centre | Caistor | A rating |
| Caius Capital Services Limited | London | A rating |
| Caius House | London | A rating |
| CAIXA GERAL DE DEPOSITOS, S.A | LONDON | A rating |
| CaixaBank SA UK Branch | London | A rating |
| Caja Limited | Newcastle Under Lyme | A rating |
| CAKE & 50 PERCENT SWEET LTD | Sheffield | A rating |
| CAKE & CREAM LTD | Reading | A rating |
| CAKE AND MORE UK LTD | Harrow | A rating |
| Cake Box Acton Ltd | London | A rating |
| Cake Box Cricklewood Ltd | London | A rating |
| Cake Box Hackney Limited | London | A rating |
| CAKE BOX LEICESTER LIMITED T/A EGGFREE CAKE BOX | LEICESTER | A rating |
| CAKE BREAK LTD | Oldbury | A rating |
| CAKE CREATE LIMITED | London | A rating |
| Cake Forest Limited | Croydon | A rating |
| CAKE GLORY LTD LTD | Hayes | A rating |
| Cake House Bakery Limited | Slough | A rating |
| Cake House Bakery Wexham Ltd | Slough | A rating |
| CAKE HOUSE GRAVESEND LTD T/A CAKE HOUSE BAKERY | Gravesend | A rating |
| CAKE HOUSE HAYES LTD | Hayes | A rating |
| Cake House High Wycombe Ltd | High Wycombe | A rating |
| Cake Industries Ltd | London | A rating |
| Cake Inn | Kettering | A rating |
| Cake Inn Bolton Ltd T/a Cake Inn | Bolton | A rating |
| CAKE INN COVENTRY LTD | Coventry | A rating |