| Radish Education UK Ltd | Warwick | A rating |
| Radisson Hotel Edinburgh Ltd T/A Radisson BLU Edinburgh | Edinburgh | A rating |
| Radisson Hotel Heathrow Ltd T/A Radisson Hotel & Conference Centre London Heathrow | Heathrow | A rating |
| Radisson Hotel Stansted Airport Ltd T/A Radisson Blu Hotel London Stansted Airport | Stansted | A rating |
| Radisson Hotels Management Ltd. | Manchester | A rating |
| Radisson Hotels UK Ltd | Manchester | A rating |
| RADISYS UK LIMITED | Bracknell | A rating |
| Radit Ltd | London | A rating |
| Radius Business Solutions (UK), a trading name of UK Fuels Limited | Emperor Way | A rating |
| Radius Housing | Holywood | A rating |
| Radius Logistics UK Ltd | Slough | A rating |
| Radius Office Ltd | London | A rating |
| Radius Plastics Limited | Lurgan | A rating |
| Radius Security Limited | Wigan | A rating |
| Radius Systems Limited | Alfreton | A rating |
| RADIUS TECH FASHION SERVICES LTD | Gloucester | A rating |
| Radix Legal & Consulting Ltd | London | A rating |
| Radix Sports Ltd | Knutsford | A rating |
| Radlett Cricket Club | Radlett | A rating |
| Radley + Co. Limited | London | A rating |
| Radley Associates | LONDON | A rating |
| Radley College | Abingdon | A rating |
| Radley Supermarket Ltd | Birmingham | A rating |
| Radley Yeldar | London | A rating |
| Radnor House | Birmingham | A rating |
| Radnor Street Surgery Group Practice | Glasgow | A rating |
| Radnus Solutions ltd | Solihull | A rating |
| Radom Pay Limited | London | A rating |
| Radon Networks Ltd | Newport | A rating |
| RADON86 LTD | London | A rating |
| Radpharm Ltd T/A Laycock Pharmacy | Bexhill | A rating |
| RADSTOCKS RETAIL LTD T/A CAFFE NEWS | SHENFIELD | A rating |
| RADSTONE CONVENIENCE STORE LTD | Leicester | A rating |
| Radtest Ltd | Harwell | A rating |
| RADWAY LODGE PARTNERSHIP | SIDMOUTH | A rating |
| RADWAY MAYFAIR LIMITED | HARROW | A rating |
| Radwell International UK Ltd | Newcastle Under Lyme | A rating |
| RAEDAS CONSULTING LIMITED | London | A rating |
| Raei Alvin & Co Ltd | London | A rating |
| Raeside Chisholm Solicitors Limited | Glasgow | A rating |
| Rafael International Limited | Winnersh | A rating |
| RAFAH INTERNATIONAL | Batley | A rating |
| RAFAY COMMUNICATIONS LTD | Ruislip | A rating |
| RAFFET PASHA T/A HIGHTOWN PRE-SCHOOL | LUTON | A rating |
| Raffolux Ltd | Watford | A rating |
| RAFI LONDON LIMITED T/A TAZA | London | A rating |
| Rafia Trading Ltd | Huddersfield | A rating |
| Rafiki Ltd | Stanmore | A rating |
| Rafiq Catering Ltd | Leicester | A rating |
| Rafique Miah & Jahanara Begum, t/a Wombourne Tandoori | Wolverhampton | A rating |
| Rafles Limited | Stanmore | A rating |
| Raftech Services Ltd | London | A rating |
| RAFZ Security Services Ltd | London | A rating |
| Rag Coffee Limited | Uxbridge | A rating |
| Rag Traders London Ltd, t/a Rag & Bone | London | A rating |
| RAG Trading Limited | Tywyn | A rating |
| RAGA OIL INDUSTRY UK LTD | LONDON | UK Expansion Worker: Provisional |
| RAGAL's Retail (Bargain Booze) | Liverpool | A rating |
| Ragamama Ltd | Northolt | A rating |
| Ragarfield Limited | Gravesend | A rating |
| Ragasaan Ltd | Northolt | A rating |
| Ragatheepan Rasalingam T/A RRV Food & Wine- Go Local | Spennymoor | A rating |
| RAGAVAN AND CO LTD | BIRMINGHAM | A rating |
| Ragavan Deliveries | Milton Keynes | A rating |
| Ragdale Hall (1990) Limited | Melton Mowbray | A rating |
| Ragdale Hall (1990) Limited T/A Ragdale Hall Spa | Melton Mowbray | A rating |
| Ragdon Ltd | Ilford | A rating |
| Ragged Edge Design Limited | London | A rating |
| Raghav Limited T/A Broadfield Newsagent & Post Office | Crawley | A rating |
| Raghuvanshi Mahajan London ("RAMA") | Greenford | A rating |
| RAGING GRACE LTD | London | A rating |
| Rags 4U Ltd | Wolverhampton | A rating |
| RAGSAN UK LIMITED | Caerphilly | A rating |
| RAGT Seeds Ltd | Ickleton | A rating |
| RAGU TRAVELS LIMITED | Chigwell | A rating |
| Ragulans Brothers Limited | The Hyde | A rating |
| Ragus Sugars (Manufacturing) Limited | Slough | A rating |
| RAH FOOD TRADERS LTD | Bradford | A rating |
| RAH Partners Limited | Newcastle Upon Tyne | A rating |
| Raha Raiments Limited | Slough | A rating |
| Rahad LTD | London | A rating |
| Rahal Management Ltd | London | A rating |
| Rahanar Ltd | London | A rating |
| RAHANU LIMITED | Birmingham | A rating |
| RAHAY LIMITED | Stockport | A rating |
| Rahber Enterprise Limited | London | A rating |
| Rahdan Ltd | Southall | A rating |
| Rahi News | London | A rating |
| RAHI PVT LTD | Kilgetty | A rating |
| Rahik News Limited | Kings Langley | A rating |
| RAHIL INDIAN CUISINE LTD t/a Rahil Restaurant | Barry | A rating |
| Rahil Saggar (Chorlton) Limited | Manchester | A rating |
| Rahil Saggar Limited | Cheadle | A rating |
| RAHMAH BUILDING SERVICES LIMITED | Birmingham | A rating |
| RAHMAN BROTHERS (BRIGHTON) LIMITED | Hove | A rating |
| RAHMAN BUSINESS LTD | Newcastle Upon Tyne | A rating |
| Rahman Foods Ltd | London | A rating |
| Rahman Leisure (W/Bay) Ltd | Whitley Bay | A rating |
| Rahman Ravelli Solicitors Ltd | Halifax | A rating |
| RAHMAN,S BROTHER LIMITED | London | A rating |
| RAHMANS GOLDEN OVEN LIMITED | KENT | A rating |
| RAHMANS KITCHEN LTD | LONDON | A rating |
| Rahmath Traders Ltd | Ashton Under Lyne | A rating |
| RAHMEEN LIMITED T/a Perfect fried chicken | Reading | A rating |
| RAHUL ENTERPRISES LIMITED T/A SUBWAY | WHETSTONE | A rating |
| Rahul Kukar T/A The Medical Centre | London | A rating |
| Rahul Logistics | Walsall | A rating |
| RAI BROTHERS ESSEX LIMITED | Barking | A rating |
| RAI BROTHERS LIMITED | Essex | A rating |
| Rai Brothers Productions Limited | Dagenham | A rating |
| Rai Dairies Limited | Gravesend | A rating |
| RAI PROPERTY MAINTENANCE LTD | London | A rating |
| RAI SAAB LTD | Nottingham | A rating |
| Raia Health Limited | Altrincham | A rating |
| RAICO PROPERTIES LTD | Slough | A rating |
| RAIDA CARE LONDON LTD | London | A rating |
| RAIDEN TRADING LTD T/a Chilli Flames | Aberdeen | A rating |
| Raiders IHC Limited | Leigh on Sea | A rating |
| Raidiam Services Limited | London | A rating |
| Raiffeisen Bank International AG | London | A rating |
| Rail Delivery Group Limited (ATOC Ltd) | London | A rating |
| Rail Power Solutions Ltd | London | A rating |
| Rail Safety & Standards Board Ltd (RSSB) | London | A rating |
| Railbookers UK Trading Ltd. | London | A rating |
| Railpen Limited | London | A rating |
| Rails Distribution UK Ltd | London | A rating |
| RailSimulator.com LTD | Chatham | A rating |
| Railsimulator.com t/a Dovetail Games | CHATHAM | A rating |
| Railway Electrical Services Ltd | Ilkeston | A rating |
| Railway Medical Group | Blyth | A rating |
| Railway Project Services LTD | Rearsby | A rating |
| Raims Mahmood Zaeem Limited | Manchester | A rating |
| Rain & YangYang Ltd | London | A rating |
| RAIN UK LABS LIMITED | London | A rating |
| Rain's Nailz, Hair & Beauty Ltd. | Luton | A rating |
| Raina Ltd | Salford | A rating |
| Rainbar Limited | Edgware | A rating |
| RAINBO SUPPLIES & SERVICES LIMITED | Crawley | A rating |
| Rainbow Angels Nurseries & Learning Centres Ltd | Rainham | A rating |
| Rainbow Apparel Ltd | Glasgow | A rating |
| Rainbow Bargain Ltd | Cardiff | A rating |
| Rainbow Care Service Centre (Rainbow Care Ltd) | LEICESTER | A rating |
| Rainbow Care Solutions | REDDITCH | A rating |
| RAINBOW DAY NURSERY | MORDEN | A rating |
| RAINBOW DIAGNOSTICS LTD | Chelmsford | A rating |
| Rainbow Direct Care Ltd | Corby | A rating |
| RAINBOW ENTERTAINMENT AND PROM | Swindon | A rating |
| RAINBOW EXPRESS LTD | Southend-On-Sea | A rating |
| Rainbow Fabrics Limited | Kilburn | A rating |
| RAINBOW FAST FOOD LIMITED TA Perfect Choice | Loughton | A rating |
| Rainbow Fish Bar Pizza & Kebab House Ltd | Darlaston,Wednesbury | A rating |
| Rainbow Fostering Services Limited | North Harrow | A rating |
| RAINBOW GARAGES LTD | SALFORD | A rating |
| RAINBOW GROUP LIMITED | BASILDON | A rating |
| RAINBOW HEALTH & CARE LTD | Guildford | A rating |
| Rainbow Home Care Services Ltd | London | A rating |
| RAINBOW HOME PROPERTY LTD | London | A rating |
| Rainbow House Nursery Ltd | Wheathampstead | A rating |
| RAINBOW INDIAN STREET FOOD LTD | Harrow | A rating |
| RAINBOW LOGISTICS LTD | SOUTHALL | A rating |
| RAINBOW MEDICAL SERVICES LIMITED | MITCHAM | A rating |
| RAINBOW NAILS KETTERING LTD | Kettering | A rating |
| Rainbow Nurseries Ltd | LONDON | A rating |
| Rainbow Nursery Goods Limited | Manchester | A rating |
| RAINBOW PERSONNEL LIMITED | Manchester | A rating |
| RAINBOW POLYCARBONATE INDUSTRY TRADE LTD | London | UK Expansion Worker: Provisional |
| Rainbow Professional Ltd | Hull | A rating |
| RAINBOW SOCIAL CARE LIMITED | Wokingham | A rating |
| Rainbow Software Solutions Limited | Leeds | A rating |
| Rainbow Spice South Limited | London | A rating |
| Rainbow Staffing Services | Birmingham | A rating |
| Rainbow Staffing Services Ltd | Birmingham | A rating |
| Rainbow Stores | Stanford-Le-Hope | A rating |
| Rainbow Therapeutic LTD | Merthyr Tydfil | A rating |
| RAINBOW TRADERS LTD | Oldham | A rating |
| RAINBOW UNITED LTD | SUNDERLAND | A rating |
| Rainbowl Ltd | Nottingham | A rating |
| Rainbows Bubble Tea | Basildon | A rating |
| RAINBOWSTAR RETAIL LTD | ROMFORD | A rating |
| Rainbowwave Ltd | London | A rating |
| Raindance Film School | London | A rating |
| Raindance Global Partnership LLP | London | A rating |
| Raindrop Trading Limited | Shawlands | A rating |
| Raindrops Charity U.K. | Blackburn | A rating |
| Raine Advisors Limited | London | A rating |
| Rainforest Bidco Limited | Nottingham | A rating |
| Rainforest Builder Ltd | London | A rating |
| Rainforest Foundation UK | London | A rating |
| Rainham Cricket Club | Rainham | A rating |
| RAINHAM MOTORS (MOT) LIMITED | Essex | A rating |
| Rainham Offy and Convenience | Rainham | A rating |
| RAINHILL CRICKET CLUB | MERSEYSIDE | A rating |
| Rainhill Village surgery | Rainhill | A rating |
| Rainmaking Innovation Limited | London | A rating |
| Rains Consulting Limited | Rudheath | A rating |
| Rains News | London | A rating |
| Rainstone Financial Services Ltd | London | A rating |
| Rainstone Haven Ltd | Isleworth | A rating |
| Raintree Care Ltd | London | A rating |
| Rainy City Agency | Leigh | A rating |