| Robert Fairley Ltd | Manningtree | A rating |
| Robert Frederick Limited | Bath | A rating |
| ROBERT FRITH OPTOMETRISTS (YEOVIL) LIMITED | Yeovil | A rating |
| ROBERT GASTRO LTD | GUILDFORD | A rating |
| Robert Gilder & Company | London | A rating |
| Robert Gordon's College | Aberdeen | A rating |
| Robert Guy Services Ltd | London | A rating |
| Robert Half Limited | Solihull | A rating |
| Robert Holdcroft Limited | Redditch | A rating |
| Robert Irving Burns | LONDON | A rating |
| Robert James McBride | Kilkeel | A rating |
| Robert Jamieson & Co | Sandness | A rating |
| Robert Kee and Hal Kee | Newtownstewart | A rating |
| Robert May's School | Odiham | A rating |
| Robert McBride Ltd | Manchester | A rating |
| Robert News | Pontypridd | A rating |
| Robert Price Builders Merchants Ltd. | Cardiff | A rating |
| Robert Purvis Plant Hire Ltd | Lochgelly | A rating |
| Robert Quinn Consulting Ltd | London | A rating |
| Robert S Wilson (Cordon) | Perth | A rating |
| Robert Smith T/A Robert Smith Equestrian | Warwick | A rating |
| Robert Stuart Ltd | Harlow | A rating |
| ROBERT TODD & SON LIMITED | Carlisle | A rating |
| Robert W. Baird Group Ltd | London | A rating |
| Robert Walford Racing | Blandford Forum | A rating |
| Robert Walpole and Partners | Slough | A rating |
| Robert Walters PLC | London | A rating |
| Robert West Consulting | London | A rating |
| Robert Wun Limited | London | A rating |
| Robert's Fine Jewellery | Redhill | A rating |
| Robertet UK Limited | Surrey | A rating |
| ROBERTS CARE & TRAINING LIMITED | CLYDEBANK | A rating |
| Roberts Dyers and Finishers | Keighley | A rating |
| Roberts Family Stores Limited | Chester | A rating |
| Roberts General Store | Gillingham | A rating |
| Roberts Group Consulting Ltd | London | A rating |
| Roberts Homes (North Wales) Ltd | Ruthin | A rating |
| Roberts Limbrick Ltd | Gloucester | A rating |
| Roberts of Port Dinorwic Ltd | Caernarfon | A rating |
| Robertson Geologging Limited | Conwy | A rating |
| Robertson Group Limited | Stirling | A rating |
| Robertson Nursing Home Limited T/As Robertson Nursing Home | Godalming | A rating |
| Robilant Fine Art Ltd T/A Robilant + Voena | London | A rating |
| Robin AI Limited | London | A rating |
| Robin Bournemouth Ltd | Bournemouth | A rating |
| Robin Bristol City Centre Ltd | London | A rating |
| Robin Edinburgh Ltd | London | A rating |
| ROBIN FOOD DISTRIBUTION LTD | Hertfordshire | A rating |
| Robin Heathrow Ltd | London | A rating |
| robin hood gymnastics club CIC | notingham | A rating |
| Robin Hood Thai Restaurant | Loughton | A rating |
| Robin Leeds Ltd | London | A rating |
| Robin Manco Limited | London | A rating |
| Robin Northampton Ltd | Northampton | A rating |
| Robin Portsmouth Ltd | London | A rating |
| Robin Slough Ltd | London | A rating |
| Robin Specialist Autism Services | London | A rating |
| Robin St. Pierre Ltd | London | A rating |
| Robin Tacchi Plants | Diss | A rating |
| Robin Worsley Park Ltd | London | A rating |
| Robinhood U.K Ltd. | London | A rating |
| Robins Care Ltd | reading | A rating |
| Robins News | London | A rating |
| Robinson and lawlor | NELSON | A rating |
| Robinson Associates (Consulting Engineers) Ltd | london | A rating |
| Robinson Brothers Limited | WEST BROMWICH | A rating |
| Robinson College | Cambridge | A rating |
| Robinson Crusoe (Fife) Ltd. | Anstruther | A rating |
| Robinson Management Services Ltd | Milton Keynes | A rating |
| Robinson Ravani & CO Ltd | Chadwell Heath | A rating |
| Robinson Webster (Holdings) Limited | London | A rating |
| Robinson Wholesale | Knutsford | A rating |
| robinson+co Chartered Accountants | WORKINGTON | A rating |
| ROBINVALLEY LIMITED | Liverpool | A rating |
| Robiquity Limited | Manchester | A rating |
| Robit GB Ltd | Chesterfield | A rating |
| Roblox UK Limited | London | A rating |
| Robocodeuk Limited | Birmingham | A rating |
| RoboHR Limited | Slough | A rating |
| RoboK | Cambridge | A rating |
| ROBOMAN LTD | London | A rating |
| Robore Cuts Limited | Mitcham | A rating |
| Roborough Surgery | Plymouth | A rating |
| Roboshadow Ltd | Shenfield | A rating |
| Robosoft Technologies UK Limited | London | A rating |
| Robosol Software UK Limited | Basildon | A rating |
| Robosys Automation Ltd | Southampton | A rating |
| Robot Squid Limited | London | A rating |
| Robotic Wares Pvt (UK Branch) T/A FarEye | Milton Keynes | A rating |
| Robotiz3D Limited | Manchester | A rating |
| Robotiz3d Technology Ltd | Warrington | A rating |
| Robovision Ltd. | Flitwick | A rating |
| Roboyo (UK Trading) Limited | Birmingham | A rating |
| Robpin Limited T/A Dig-X | Stafford | A rating |
| Robson (Services) Limited | London | A rating |
| Robt. Jones UK Limited | Glasgow | A rating |
| Robust Packaging LTD | EASTLEIGH | A rating |
| Roby Medical Centre | Huyton | A rating |
| ROC Clinics UK Ltd | Swindon | A rating |
| ROC International Limited | LEICESTER | A rating |
| ROC NATION UK LIMITED | London | A rating |
| ROCA COFFEE LTD | London | A rating |
| Rocaba Packaging Limited | London | A rating |
| Rocca 2015 limited | London | A rating |
| Rocco Forte & Family (Hotel Management) Limited | London | A rating |
| Rocco's Mcr Ltd T/A Rocco's Chicken | Manchester | A rating |
| RoCCS | Herts | A rating |
| Roch 2 Ltd | Hertford | A rating |
| Rochcare (UK) Ltd | Rochdale | A rating |
| Rochcare Ltd | Oswaldtwistle | A rating |
| Rochdale Auto Transmission Ltd | Rochdale | A rating |
| Rochdale Borough Council | Rochdale | A rating |
| Rochdale Boroughwide Housing | Rochdale | A rating |
| Rochdale Cricket Lacrosse and Squash Club Ltd | Rochdale | A rating |
| Rochdale Hornets Rugby League Football Club Ltd | Rochdale | A rating |
| Rochdale Pharmacy | Rochdale | A rating |
| Rochdale Reformed Congregation | Rochdale | A rating |
| Rochdale Road Medical Centre | Manchester | A rating |
| ROCHDALE TAKEAWAY SALES LIMITED | Rochdale | A rating |
| Roche Diagnostics Limited | Burgess HIll | A rating |
| Roche Healthcare | Leeds | A rating |
| Roche Homecare Ltd | Leeds | A rating |
| Roche Products Limited | Welwyn Garden City | A rating |
| Rochecare Homes Ltd | Chorley | A rating |
| Rochem Ltd | London | A rating |
| Rochemont Care Ltd | London | A rating |
| ROCHESTER FOOD STORE LIMITED | Kent | A rating |
| ROCHESTER PLACE LTD | London | A rating |
| ROCHFORD CONSTRUCTION LIMITED | WEMBLEY | A rating |
| Rochling Industrial UK Ltd | Gloucester | A rating |
| Rochmills Limited | Northampton | A rating |
| Rock & Raw Limited | London | A rating |
| Rock & Sole Plaice London Ltd | London | A rating |
| ROCK AND ROLL RECIPE LTD T/a Radhuni | Bedford | A rating |
| ROCK Chiropractic DC Limited T/A ROCK Chiropractic Health Centre | Devon | A rating |
| ROCK EXPORT & IMPORT LIMITED | BOREHAMWOOD | A rating |
| ROCK GEMS LIMITED T/A ASHA JEWELLERS | Ilford, | A rating |
| Rock House Residential Home Ltd | Doncaster | A rating |
| Rock Housing and Support Services Ltd | Coventry | A rating |
| Rock Hunter Limited | LONDON | A rating |
| Rock Information Management Limited | London | A rating |
| ROCK ISLAND CONSULTANCY LTD | London | A rating |
| Rock Lennox ltd | Leicester | A rating |
| Rock Menswear LTD | Waltham Abby | A rating |
| Rock of Ages Care Limited | Egham | A rating |
| Rock On Music Limited | London | A rating |
| Rock Paper Reality UK Ltd | Bristol | A rating |
| Rock Rail Holdings Limited | London | A rating |
| Rock Revelations (London) Ltd | Kettering | A rating |
| Rock Salt Hartcliffe Limited | Bristol | A rating |
| Rock Solid Knowledge Ltd | Bristol | A rating |
| Rock Solid Processing Ltd | Exeter | A rating |
| ROCK TAX & ACCOUNTING LTD | London | A rating |
| Rock Townsend Architects LLP | London | A rating |
| Rock UK Adventure Centres Ltd | Wellingborough | A rating |
| Rock-it Cargo Limited | Middlesex | A rating |
| Rock-Venture Designs Limited | Carterton | A rating |
| Rockbottom Cars Ltd | Northampton | A rating |
| Rockcity Industries Ltd | Hull | A rating |
| ROCKCLIFFE GROUP INT LIMITED | Preston | A rating |
| Rockdale Housing Association | Sevenoaks | A rating |
| Rockefeller Asset Management International Ltd | London | A rating |
| Rockers Grill Ltd T/a Rockers Grill | Crawley | A rating |
| Rockers World Ltd | London | A rating |
| Rocket Consulting Ltd | Leeds | A rating |
| Rocket Express International Ltd | London | A rating |
| ROCKET FACTORY LTD | Unst | A rating |
| ROCKET FACTORY LTD | Haroldswick | A rating |
| Rocket Flair Studios Ltd | omagh | A rating |
| Rocket Joes (Cardiff) Limited | Cardiff | A rating |
| Rocket Lawyer UK Limited | London | A rating |
| Rocket Leisure LTD | Kendal | A rating |
| Rocket Music Management Limited | London | A rating |
| ROCKET PADEL ILFORD LTD | ILFORD | A rating |
| Rocket Restaurants Limited | Southall | A rating |
| Rocket Rights Booster Limited | London | A rating |
| Rocket SaaS Ltd | London | A rating |
| Rocket Science Industries Limited | London | A rating |
| Rocket Science UK Ltd | Edinburgh | A rating |
| Rocket Software UK Limited | London | A rating |
| Rocket Systems Limited | London | A rating |
| ROCKETEER RESTAURANT & LOBSTER SHACK | NORTH BERWICK | A rating |
| RocketMill Ltd | Brighton | A rating |
| ROCKETPOP LTD | London | A rating |
| RocketRoute Limited | Farnborough | A rating |
| Rockfield Medical Centre | Ballymena | A rating |
| Rockfield Software Ltd | Swansea | A rating |
| Rockford Trading Company Limited | Lincoln | A rating |
| ROCKFORT ENGINEERING LIMITED | Banbury | A rating |
| ROCKHOLD PROPERTIES LIMITED | Birmingham | A rating |
| ROCKING HORSE PICTURES LIMITED | London | A rating |
| Rocking Mobile Phones | Leeds | A rating |
| Rockingham Colliery Cricket Club | Barnsley | A rating |
| Rockingham Food & Wine Ltd | London | A rating |
| Rockland Greys Limited | Oldham | A rating |
| Rockleigh Court Surgery | Shenfield | A rating |
| ROCKLEY DENE HOMES LIMITED | HARROW | A rating |
| Rockley Photonics Limited | Altrincham | A rating |
| Rockliffe Court Residential Care home Limited | Hull | A rating |
| Rockliffe Hall | Darlington | A rating |