| Riot Games Services Limited | London | A rating |
| Riot Labs Ltd | Milton Keynes | A rating |
| Ripe Insurance Services Ltd | Manchester | A rating |
| Ripjar Ltd | Cheltenham | A rating |
| RIPLEY DETAILING LTD | Woking | A rating |
| Ripley Express Limited T/A Cushty Bargains | Ripley | A rating |
| Riplo Limited | London | A rating |
| RIPON CONVENIENCE STORES LIMITED | Grimsby | A rating |
| Ripple Dental Limited | Edinburgh | A rating |
| Ripple Markets UK Ltd | London | A rating |
| RIPPLE SIGNS AND PRINT LTD | Manchester | A rating |
| Ripple+ Limited | London | A rating |
| Rippleffect Group Limited | London | A rating |
| Rippleside Metal Works Ltd | Thurrock | A rating |
| Rippling UK Limited | London | A rating |
| Ripstone Ltd | Liverpool | A rating |
| RIS Security Limited | Crawley | A rating |
| Risborough Property Services | PRINCES RISBOROUGH | A rating |
| Risc IT Solutions Limited | Llandudno | A rating |
| Risca House Limited | Newport | A rating |
| RisCura Solutions (UK) Ltd | London | A rating |
| Rise & Shine services limited | SUTTON-IN-ASHFIELD | A rating |
| Rise Accounting Limited | Greater London | A rating |
| RISE AND STYLE LTD | London | A rating |
| Rise at Seven Limited | Sheffield | A rating |
| Rise Distributions Ltd | Southall | A rating |
| RISE FOR CHRIST INTERNATIONAL | DUDLEY | A rating |
| RISE FX GB Ltd | London | A rating |
| Rise Support | Burnley | A rating |
| RISE TO LIMITED | Weybridge | A rating |
| RISE UP CONSTRUCTION LTD | WARE | A rating |
| Rise Up Fashion Ltd | London | A rating |
| Rise Up Projects Ltd | Worcester | A rating |
| RISEAM SHARPLES | LONDON | A rating |
| Risedale Estates Limited | Barrow in Furness | A rating |
| Risedale School | Catterick Garrison | A rating |
| Risedale Sports and Community College | Catterick Garrison | A rating |
| Risedale Surgery | Barrow-In-Furness | A rating |
| RISELEY STORES LTD | WELLINGBOROUGH | A rating |
| Riseup Healthcare Ltd | Besthorpe | A rating |
| Rish Retail Ltd t/a Budgens Pentre | Pentre | A rating |
| Rishabh Info Services Pvt Ltd | Harrow | A rating |
| RISHABHDEV CARE SERVICES LTD | Enfield | A rating |
| RISHAM CHAUDHARY LTD | Motherwell | A rating |
| RISHAN NEWS LIMITED T/A CORNER NEWSAGENTS | HORSHAM | A rating |
| Rishe Supermarket Limited | Shiregreen | A rating |
| Risheena Limited | Uxbridge | A rating |
| RISHI FOOD AND WINE LTD | Housnlow | A rating |
| Rishi Food Stores Limited | Dyce | A rating |
| RISHI'S NEWS | BECKENHAM | A rating |
| Rishiga Ltd t/a Rishis | Aberdeen | A rating |
| Rishika Construction Limited | London | A rating |
| Rishil Patel T/A Darbys Newsagents | Epsom | A rating |
| Rishmil Limited T/A Ellis and Co. | London | A rating |
| Rishton Cricket Club | Blackburn | A rating |
| Risilience Limited | Cambridge | A rating |
| Rising Brook Surgery | Stafford | A rating |
| RISING CARE SERVICES LTD | LEICESTER | A rating |
| RISING CARS LTD | Chesham | A rating |
| RISING MEDICAL TECHNOLOGIES LIMITED | Hitchin | A rating |
| RISING RETAIL LIMITED | Aberdeen | A rating |
| Rising Spirit Ltd T/A Cake Inn | Sutton Coldfield | A rating |
| Rising Star Entertainment Limited | Solihull | A rating |
| Rising Star Homes Ltd. | Sittingbourne | A rating |
| Rising Star Trading Ltd | Manchester | A rating |
| Rising Stars NW CIC | Stockport | A rating |
| Rising Sun (Wootton) Ltd | Wootton | A rating |
| Rising Sun Development Ltd | Ilford | A rating |
| Rising Sun Pubs and Restaurants Limited | Wigston | A rating |
| RISING SUN RESTAURANT AND HOTEL LTD | Harrow, | A rating |
| RISING SUN UK LTD T/A CUBE | LONDON | A rating |
| RISING TECHNOLOGIES UK LTD | London | A rating |
| Rising Tide AI Ltd | Leeds | A rating |
| Rising Zal Company Ltd T/A The Mulan | York | A rating |
| Rision Consulting Limited | London | A rating |
| Risk Capital Advisors Limited | London | A rating |
| RISK CONTROL LIMITED | LONDON | A rating |
| Risk Crew Limited | London | A rating |
| Risk Ledger Ltd | London | A rating |
| Risk Management Limited | Godalming | A rating |
| Risk Smart | Manchester | A rating |
| Risk-Enterprise Limited | London | A rating |
| RiskBase Limited | London | A rating |
| Riskbridge Associates Ltd | Nacton | A rating |
| Riskcare Limited | London | A rating |
| Riskent Technologies Limited | Taplow | A rating |
| Riskhub Ltd | London | A rating |
| RISKIFIED UK LTD | LONDON | A rating |
| Riskonnect Ltd | London | A rating |
| RiskPoint Solutions Limited | London | A rating |
| RISKPOYNT LTD | Poole | A rating |
| RiskSTOP Consulting Limited | Poundbury | A rating |
| Risktec Solutions Ltd | Warrington | A rating |
| RiskXchange Limited | London | A rating |
| Risley 1 Limited t/a Risley Hall Hotel | Derby | A rating |
| Riso Kagaku Corporation London Office | Watford | A rating |
| RISQ Research Ltd | London | A rating |
| Rissho Kosei-kai of the UK | London | A rating |
| RISTORANTE GASTRONOMIA BRICIOLE LTD | London | A rating |
| Ristorio Cardiff Limited | Cardiff | A rating |
| Rit Premium Dental Care | Liverpool | A rating |
| Rita Konig Ltd | London | A rating |
| RITA TRADING LTD | NOTTINGHAM | A rating |
| Rita's Reign Ltd | Hyde | A rating |
| Ritagreen healthcare services ltd | london | A rating |
| RITCHIES CAFE LTD | London | A rating |
| RITCHIES WHARF COFFEE LTD | London | A rating |
| RITE DEALS MARKETING LTD | London | A rating |
| Rite Fix diy Ltd | Manchester | A rating |
| RITE ROUTE GROUP INTERNATIONAL LTD | Uxbridge | A rating |
| Rite Track Scotland Limited | Edinburgh | A rating |
| RITECROWN LTD | London | A rating |
| Ritherdon & Co Limited | Darwen | A rating |
| Rithm Capital Ltd | London | A rating |
| RITHRISH LTD | SLOUGH | A rating |
| Rithum CA UK Limited | London | A rating |
| RITHVIK PRIVATE LIMITED | NORTHAMPTON | A rating |
| Ritkom Limited t/a Weston Convenience Store | Weston-Super-Mare | A rating |
| Ritmeester Cigars UK Ltd | Richmond | A rating |
| Rittal-CSM Ltd | Plymouth | A rating |
| Rittman Mead Consulting Limited | Brighton | A rating |
| Ritu Dhariwal Ltd | Loughton | A rating |
| RITU HAIR & BEAUTY SALOON LIMITED | Hayes | A rating |
| RITZ CORPORATION LTD | Ilford | A rating |
| Ritz Hotel (London) Limited | London | A rating |
| Ritz Tours Limited | London | A rating |
| Ritzi Care Homes Ltd | New Malden | A rating |
| RITZY AUTO LTD | Boston | A rating |
| RIV UK Engineering Limited | London | A rating |
| RIV Worldwide Ltd | KIDDERMINSTER | A rating |
| RIV WORLDWIDE LTD | Worcestershire | A rating |
| RIVA 30 LIMITED | London | A rating |
| Riva Bowl LLP TA Airport Bowl | Harlington | A rating |
| Riva London Limited | London | A rating |
| Rivage Investment (UK Parent) Limited | London | A rating |
| RIVAJ RESTAURANT | BURTON ON TRENT | A rating |
| Rival Technologies Ltd | London | A rating |
| Rivalminster Limited | London | A rating |
| Rivan Industries Ltd | London | A rating |
| Rive Gauche London | London | A rating |
| Rivendale Care Limited | Eastbourne | A rating |
| Rivendale Lodge EMI Care Home | East Sussex | A rating |
| Rivendell Care | London | A rating |
| Rivendell Care Services Ltd | Birnam | A rating |
| RIVENDELL LTD | Bexley | A rating |
| River Church (St Neots) Limited | Huntingdon | A rating |
| River Church Banff | Banff | A rating |
| River Church Ipswich | Ipswich | A rating |
| River Dee Community Church | Flint | A rating |
| RIVER DIRECT LIMITED | Dunstable | A rating |
| RIVER EXE HEALTH CARE LTD | Exmouth | A rating |
| River Group Content Limited | London | A rating |
| River Hill Ministries | BIRMINGHAM | A rating |
| River Inn Trading Limited | Johnstone | A rating |
| River Island Clothing Co. Limited | London | A rating |
| River Learning Trust | Kidlington | A rating |
| River Oakfield | Solihull | A rating |
| River of Care LTD | Great Barr | A rating |
| River of Life Church | Dumfries | A rating |
| River of Life City Church | London | A rating |
| RIVER READING LIMITED T/A RIVER SPICE | Reading | A rating |
| River Rouge Ltd | TOWCESTER | A rating |
| RIVER SPICE LTD | Fareham | A rating |
| River Stone (UK) Limited | Sittingbourne | A rating |
| River Thame Conservation Trust | Oxford | A rating |
| RIVER UK LIMITED | BURTON UPON TRENT | A rating |
| River Veterinary Care | NEWCASTLE UPON TYNE | A rating |
| River Woodwork Ltd. | SURREY | A rating |
| Rivera Trading Ltd | PRESTON | A rating |
| RiverArk Limited | London | A rating |
| Riverbank Hotel Operator Limited | London | A rating |
| Riverbarn Ltd | Southampton | A rating |
| Riverbase Limited trading as The Old Coastguard | Penzance | A rating |
| Riverbed Technology Limited | London | A rating |
| Riverdale Grange Ltd | Sheffield | A rating |
| Riverdale Solicitors Limited | Ilford | A rating |
| Riverdale Tradeco Limited | Stokesley | A rating |
| Riverdane Holsteins | Middlewich | A rating |
| Riverfort Global Capital Ltd | London | A rating |
| Riverhill Group Ltd | Harrow | A rating |
| Riverhouse Medical Practice (also known as Riverhouse surgery) | London | A rating |
| Riverhouse Partners Limited | London | A rating |
| Riverine Body Care (UK) Limited | London | A rating |
| Riverlane Ltd | Cambridge | A rating |
| Riverlinx Limited | London | A rating |
| RIVERMAIN LIMITED | Beaconsfield | A rating |
| Riverman Management Ltd | London | A rating |
| RIVERMARKET LTD | Rochdale | A rating |
| Rivermead Pharmacy | Chelmsford | A rating |
| Rivermede Court Care Home | Egham | A rating |
| Riverport Medical Practice | St Ives | A rating |
| RiverRidge Recycling (Portadown) Ltd | Coleraine | A rating |
| RiverRock Capital Limited | London | A rating |
| RiverRock European Capital Partners LLP | London | A rating |
| Rivers Multi Academy Trust | Sawbridgeworth | A rating |
| RIVERS TECHNOLOGY CONSULTING LTD | Wilmslow | A rating |
| RiverSafe Limited | London | A rating |
| Riversdale Surgery | BELPER | A rating |
| Riversdale Surgery | Derby | A rating |
| Riversdale Surgery | Bridgend | A rating |