| STUDIO PENN LONDON LTD | London | A rating |
| STUDIO PERFECT LIMITED | London | A rating |
| Studio Private Limited | London | A rating |
| Studio RHE Ltd | London | A rating |
| STUDIO RHL LTD | WATFORD | A rating |
| Studio Rotate Ltd | London | A rating |
| STUDIO SEILERN ARCHITECTS | London | A rating |
| STUDIO SEMIZ LTD | London | A rating |
| Studio Spaces Limited | London | A rating |
| Studio Tim Fu LTD | London | A rating |
| Studio Ulster Ltd | Belfast | A rating |
| Studio Voltaire | London | A rating |
| Studio Wayne McGregor Limited | London | A rating |
| Studio Weave (Limited) | London | A rating |
| Studio Werc Ltd | London | A rating |
| STUDIO WOODROFFE PAPA LTD | London | A rating |
| Studio XAG Limited | London | A rating |
| Studio ZNA | London | A rating |
| Studio-29 Lighting Design Limited | London | A rating |
| Studio148 Ltd | Teddington | A rating |
| STUDIOCANAL LIMITED | London | A rating |
| StudioHawk | London | A rating |
| Studioilse Limited | London | A rating |
| Studiosity Limited | London | A rating |
| STUDLANDS HOUSE LTD T/A Studland House | Newmarket | A rating |
| STUDLET LIMITED | London | A rating |
| Studley Engineering Ltd | Liverpool | A rating |
| Studley Physiotherapy Centre Limited | Redditch | A rating |
| STUDY + LIMITED T/A Study Plus | Reading | A rating |
| Study Abroad Consultants Ltd | Croydon | A rating |
| STUDY ABROAD GLOBAL LTD | London | A rating |
| Study Bright Limited | London | A rating |
| Study First group limited | Portslade | A rating |
| Study Group Limited | Brighton | A rating |
| Study in Colchester Ltd | ESSEX | A rating |
| STUDY IN ENGLAND LTD | Harrow | A rating |
| Study in Europe | London | A rating |
| STUDY LANE LIMITED | London | A rating |
| STUDY LONDON UK LTD | London | A rating |
| Study with FM Ltd | London | A rating |
| STUDY4ABETTERFUTURE LIMITED | Birmingham | A rating |
| STUDYO LONDON LTD | LONDON | A rating |
| StudyTravel Ltd | London | A rating |
| Stuffs 2 U Retail Ltd | Falkirk | A rating |
| STUFFUSELL Ltd. | London | A rating |
| Stufish Limited | London | A rating |
| STUGGI LTD | Dunfermline | A rating |
| Stulz Modular Limited | Kidlington | A rating |
| Stunn Ltd | Birmingham | A rating |
| STUNNING SHOPFITTERS LTD | Ashford | A rating |
| STURBRIDGE CARE & CONSULTANCY | Northampton | A rating |
| STURD HOLDINGS LIMITED | Beaconsfield | A rating |
| Sturdee Community Hospital | Leicester | A rating |
| Sturdy Services Ltd. | Cambridge | A rating |
| STURDY SITTINGS LTD | Accrington | A rating |
| StuRents Limited | London | A rating |
| Sturrock and Robson Services Ltd | London | A rating |
| Sturry Surgery | Canterbury | A rating |
| Sturts Community Trust | West Moors | A rating |
| STV Group Plc | Glasgow | A rating |
| STX Entertainment UK, Ltd | London | A rating |
| STX New Limited | Milton Keynes | A rating |
| STX1 LTD T/A NATIONAL CAR HUB | WALSALL | A rating |
| STYLE & BEAUTY PARLOUR LTD | Dagenham | A rating |
| STYLE & SMILE HAIR AND BEAUTY LTD | Warwick | A rating |
| Style & Spark Ltd | Dunstable | A rating |
| Style Acre | Wallingford | A rating |
| Style Analytics Limited | London | A rating |
| STYLE APART LTD | Manchester | A rating |
| Style Apartments Ltd | Manchester | A rating |
| STYLE BREAD EUROPE LTD | London | A rating |
| Style Creations LTD | Hayes | A rating |
| STYLE MASTERZ LTD | Manchester | A rating |
| STYLE MY WAY LTD | London | A rating |
| Style Nation By Kimmy Limited | Reading | A rating |
| STYLE PVT FURNITURE LIMITED | Manchester | A rating |
| Style Shoes Limited | Bristol | A rating |
| Style Tyle Manchester Ltd | Manchester | A rating |
| STYLEPLAN ELECTRICAL LTD | LUTON | A rating |
| Styles Head UK Ltd | London | A rating |
| Stylescape Limited | London | A rating |
| Stylex Party & Gift Shop LTD | Romford | A rating |
| STYLEX PARTY LTD | Harlow | A rating |
| Stylib Limited | London | A rating |
| STYLIDEAS LTD | HEMEL HEMPSTEAD | A rating |
| Stylish Brow & Beauty Ltd T/A Beauty Code | London | A rating |
| STYLISH CARGO LIMITED | LONDON | A rating |
| Stylo Online Ltd | Manchester | A rating |
| STYLO SALOON LIMITED | SOUTHALL | A rating |
| Stylo Sofas and Beds Limited | Blackburn | A rating |
| Stylopay Ltd | LONDON | A rating |
| Stylus Architects | London | A rating |
| Stylus Media Group Limited | London | A rating |
| Styxtech Ltd | Brentford | A rating |
| Su & Shi | MARKET HARBOROUGH | A rating |
| Su and Ninya Ltd | Rugby | A rating |
| SU KENT CARS LTD | Swanscombe | A rating |
| SU SU CONSTRUCTION LIMITED | London | A rating |
| SU YUAN VEGETARIAN CATERING LTD | Bristol | A rating |
| SUA FOODS LTD | Sedgley | A rating |
| Suade Labs Ltd | Macclesfield | A rating |
| Suan7 Ltd | Chester | A rating |
| SUB 4U Limited | Birmingham | A rating |
| SUB FEAST LIMITED | Leeds | A rating |
| Sub FNH Limited | Sale | A rating |
| SUB NATION (UK) PVT LTD | Rotherham | A rating |
| Sub Salt Solutions Ltd | London | A rating |
| Sub snacks Ltd | Birmingham | A rating |
| SUB-CNC PRECISION LTD | Luton | A rating |
| Sub-Tech Contracts Ltd | Barking | A rating |
| Sub7 Ltd | Sheffield | A rating |
| SUBA TRADING LTD | WOMBWELL | A rating |
| Subah Enterprises Limited t/a Fisheracre Chip Shop | Arbroath | A rating |
| SUBAHTECH LTD | London | A rating |
| Subajini Praveenthan trading as Clittaford Store | Plymouth | A rating |
| Subakini Ltd | Nottingham | A rating |
| Subam Constructions Ltd | Surrey | A rating |
| Subam Ltd T/A Go Local | Oldbury | A rating |
| SUBARJAN FELIX COOGENA T/A MINSTER ROAD STORE | Stourport On Severn | A rating |
| SUBAS TRADING UK LTD | LONDON | A rating |
| SUBASCHANDRABOSE KRISHNAKUMAR T/A MARKET PLACE CONVENIENCE STORES | Grantham | A rating |
| Subatomic Analytics Limited | London | A rating |
| Subbiah Limited | Holywell green | A rating |
| Subculture Media | Bangor | A rating |
| Subex Ltd | Barking | A rating |
| Subex UK Limited | Harrow | A rating |
| Subfood Partners Ltd T/A Subway | Leeds | A rating |
| Subh Corporation Ltd T/A Premier | Kent | A rating |
| SUBHAAN ENTERPRISE LTD | Felixstowe | A rating |
| Subhaans Food LTD | London | A rating |
| Subhan Halal Meat Shop Ltd | Leeds | A rating |
| SUBHAN HALAL MEATS 1 LTD | Birmingham | A rating |
| SUBHANI TRADERS LTD | Huddersfield | A rating |
| Subhashish (Herne Bay) Ltd T/A Premier and Post Office | Herne Bay | A rating |
| Subhida UK Limited T/A IME London | South Harrow | A rating |
| Subi and Sons Ltd | Fyfe | A rating |
| Sublime Care Solution Limited | Wolverhampton | A rating |
| SUBLIME CARE UK | London | A rating |
| SUBLIME ENERGY SERVICES LIMITED | Cleckheaton | A rating |
| SUBLIME GAS SERVICES LIMITED | Keighley | A rating |
| Sublime Logistics Ltd | Hounslow | A rating |
| Sublime Retail Display Limited | Kent | A rating |
| Sublime Sourcing Ltd | Hounslow | A rating |
| SUBMARINE SANDWICHES (CORBY) LTD T/A SUBWAY | CANTERBURY | A rating |
| Submasters Limited | London | A rating |
| Subo & Sons LTD | Newport | A rating |
| SUBOTHINI RAJEEV T/A LONDIS | HUDDERSFIELD | A rating |
| SUBPIXEL LTD T/A SALT.agency | LEEDS | A rating |
| Subra Foods Ltd | Weston-Super-Mare | A rating |
| Subramaniam Thushyanthan | Canterbury | A rating |
| Subramaniyam Sritharan t/a Village News | London | A rating |
| Subrickzz Ltd | Milton Keynes | A rating |
| Subscription Consulting Ltd. | London | A rating |
| Subsea 7 (UK Service Company) Limited | Aberdeenshire | A rating |
| SubSea Craft Limited | Portsmouth | A rating |
| Subsea Energy Solutions Limited | Catterick Garrison | A rating |
| Subsea Pressure Controls Ltd | Aberdeen | A rating |
| Substance 2005 Limited | Manchester | A rating |
| Substance Over Form Limited | London | A rating |
| Substance Over Form Ltd. | London | A rating |
| Substance001 Ltd | London | A rating |
| Substantial Group | London | A rating |
| Substrakt Ltd | Birmingham | A rating |
| Substrate Bio Ltd | London | A rating |
| SUBTEX GLOBAL LTD | LONDON | A rating |
| SUBTIME LTD T/A Megna Tandoori Restaurant | Egham | A rating |
| Suburban Inns People Limited | Tamworth | A rating |
| Suburban Inns People Ltd | Sutton Coldfiled | A rating |
| Suburbia T/A Swillingham & Spalding Ltd | London | A rating |
| Subway | Hatfield | A rating |
| Subway | Portsmouth | A rating |
| Subway | Gosport | A rating |
| Subway | London | A rating |
| Subway | Manchester | A rating |
| SUBWAY | Stourbridge | A rating |
| SUBWAY DIDCOT LIMITED | BERKSHIRE | A rating |
| Subway Franchise - Subway Wellingborough Road - 61876 | Northampton | A rating |
| Subway Hoyland Ltd | Barnsley | A rating |
| Subway ltd/AHS FOOD TRADING LTD | Gloucestershire Gloucester | A rating |
| Subway Realty Limited | London | A rating |
| Subway Solutions Limited T/A Subway | Hythe | A rating |
| Subway T/A Bilston Subs Ltd | Bilston | A rating |
| Subway T/A Eat Fresh Merry Hill Ltd | Dudley | A rating |
| SUCAFINA UK LTD | Croydon | A rating |
| Success at School Ltd | London | A rating |
| Success Food Limited | Basildon | A rating |
| Success Gate C&S Christs Church International | Essex | A rating |
| SUCCESS HEATING & ENERGY LTD | Bradford | A rating |
| Success Kensington Limited | London | A rating |
| Success Masters Limited | Perivale | A rating |
| SUCCESS POINT ASSOCIATE LTD | Bradford | A rating |
| Success Smart Cleaning Ltd | Ilford | A rating |
| Succession Group Limited | Plymouth | A rating |
| Succour Solutions Limited | Slough | A rating |
| Sucden Financial Limited | London | A rating |
| Sucheta Consultancy Ltd T/As Kings Park Hotel and The Old Police Station | Retford | A rating |
| Suck Paper Straws Ltd | Bromley | A rating |
| Sucofocus Ltd | Croydon | A rating |
| Sucre London Ltd | London | A rating |
| Suda Limited | London | A rating |