| Stepan UK Ltd | Stalybridge | A rating |
| STEPEVI LIMITED | London | A rating |
| Stephan Limited | Bournemouth | A rating |
| Stephen Archer Architects LLP | London | A rating |
| Stephen Fitzpatrick | Maidenhead | A rating |
| Stephen George Limited | Leicester | A rating |
| Stephen House Dental Practice | Christchurch | A rating |
| Stephen Joseph Theatre | scarborough | A rating |
| STEPHEN MCCORMICK PHARMACIES LIMITED | Drongan | A rating |
| Stephen Ongpin Fine Art Limited | London | A rating |
| STEPHEN PARSONS ASSOCIATES LIMITED | Twickenham | A rating |
| Stephen Perrott & Co Solicitors | Holywood | A rating |
| Stephen Ross Accountancy Services Ltd | Coatbridge | A rating |
| Stephen Support Services Ltd | West Bromwich | A rating |
| Stephen Taylor Architects Ltd | London | A rating |
| Stephens and Associates Limited | London | A rating |
| Stephens Catering Equipment Ltd | Ballymena | A rating |
| Stephens Europe Limited | London | A rating |
| Stephens Rickard Ltd | Essex | A rating |
| Stephenson Group Limited | Leeds | A rating |
| Stephenson Harwood | London | A rating |
| Stephenson Smart (East Anglia) Limited | King's Lynn | A rating |
| Stephensons Solicitors LLP | Wigan | A rating |
| STEPNEY FRUIT & VEG LTD | London | A rating |
| STEPNEY GREEN SUBWAY LTD | London | A rating |
| STEPNEY NEWS & POST OFFICE | HULL | A rating |
| Stepping Out Inns LTD T/A The Hare & Hounds | BIGGLESWADE | A rating |
| Stepping Stone Independent Living Ltd | Rowley Regis | A rating |
| STEPPING STONES ACADEMY CHILDCARE LTD | UXBRIDGE | A rating |
| Stepping Stones Care(Midlands)Ltd | Birmingham | A rating |
| Stepping stones Childcare LTD | London | A rating |
| Stepping Stones Clinic | London | A rating |
| STEPPING STONES EDUCATION LTD | London | A rating |
| Stepping Stones Matthew and Michael Healthcare LTD | Plymouth | A rating |
| Stepping Stones Nursery School | Esher | A rating |
| Stepping Stones RU Ltd | Newnham on Severn | A rating |
| Stepping Stones Services Ltd | Rochdale | A rating |
| Steppingstones Medical Practice | Dudley | A rating |
| STEPPN-STONE LIMITED | NORTHAMPTON | A rating |
| Steps Ahead Mobile Footcare | Keith | A rating |
| STEPS EDUCATION LIMITED | London | A rating |
| STEPS HOMES | ILFORD | A rating |
| Steps Rehabilitation Limited | Sheffield | A rating |
| STEPS SHOES LIMITED | Lancashire | A rating |
| Steps Together Rehab (St Helens) Ltd | St Helens | A rating |
| STEPSTONE GROUP EUROPE LLP | LONDON | A rating |
| Stepstone Housing Limited | Birmingham | A rating |
| Steptoe International (UK) LLP | London | A rating |
| Stereo Creative Group | London, | A rating |
| Steri Products Ltd | Braintree | A rating |
| Steris Solutions Limited | Leicester | A rating |
| Sterk Food LTD T/A Budgens Boxgrove | Worthing | A rating |
| Sterling | Harrow | A rating |
| STERLING (EMEA) LTD | Nottingham | A rating |
| Sterling & Law Associates LLP | London | A rating |
| Sterling Accounts Limited | London | A rating |
| STERLING AI SOLUTIONS LTD | London | A rating |
| Sterling Care Home t/a Nightingale House | Paisley | A rating |
| STERLING CATERING LIMITED | Kent | A rating |
| Sterling Chance Solicitors | Hayes | A rating |
| Sterling Corporate Finance Ltd | Newbury | A rating |
| Sterling Currency Exchange Limited | Hemel Hempstead | A rating |
| STERLING DIGITECH LTD | Harlow | A rating |
| Sterling Driving School Ltd | London | A rating |
| STERLING ENTERPRISES LIMITED | LONDON | A rating |
| STERLING ESSENCE CARE LTD | Benfleet | A rating |
| Sterling Estates Management Limited | Stanmore | A rating |
| Sterling IP Ltd | Welwyn Garden City | A rating |
| STERLING KITCHEN AND BEDROOM LTD | Hounslow | A rating |
| Sterling Meat Company Ltd | Manchester | A rating |
| Sterling Media Limited | London | A rating |
| Sterling Motor Group LTD | London | A rating |
| STERLING OAK UK LTD | Peterborough | A rating |
| Sterling Partners Limited | Manchester | A rating |
| Sterling Petroleum Limited | Usk | A rating |
| Sterling Pharma Solutions Ltd | Cramlington | A rating |
| Sterling Pharmaceuticals Limited | Birmingham | A rating |
| Sterling Practice Limited | London | A rating |
| Sterling Pubs and Bars Ltd T/A The Rowbarge | Woking | A rating |
| Sterling Relocation Ltd | Uxbridge | A rating |
| STERLING SOLUTION LTD | ILFORD | A rating |
| Sterling Solutions London Limited | Brentford | A rating |
| STERLING SQUARE LTD | Rossendale | A rating |
| Sterling Stamp Law Limited | London | A rating |
| STERLING STREET LIMITED | Billericay | A rating |
| STERLING STUDY LTD | South Woodford | A rating |
| Sterling Supported Living Ltd | Ilkeston | A rating |
| Sterling Thermal Technology Limited | Aylesbury | A rating |
| Sterling Ventures (UK) Ltd | Birmingham | A rating |
| Sterling Windows Limited | London | A rating |
| STERLING YOUNG LIMITED | London | A rating |
| Sterlingworth Surveyors Ltd | Chessington | A rating |
| Sterlinx Global Ltd | Liverpool | A rating |
| STERLITE TECHNOLOGIES LIMITED | London | A rating |
| Sterlite Technologies UK Ventures Ltd | Krikby in Ashfield | A rating |
| Sterlyn Limited | Leicester | A rating |
| Stern Energy UK Limited | London | A rating |
| Sterner Aquatech UK Ltd | Inverness | A rating |
| Sternlight Capital Partners LLP | London | A rating |
| Steve Bulter Dental Ceramics Ltd | Peterborough | A rating |
| Steve Edge Design Limited | Epsom | A rating |
| Steve Elphick Associates Limited t/a SEA Consulting | Teddington | A rating |
| Steve Hines Consulting Ltd | London | A rating |
| STEVE MACK SMITH T/A CLINIG CEIROPRACTEG | GWYNEDD | A rating |
| Steve Vick International Ltd | Braford on Avon | A rating |
| Steven A Hunt and Associates Ltd | Liverpool | A rating |
| Steven Eagell Limited | London | A rating |
| STEVEN HALE WATCH RESTORATION LTD | Bushey | A rating |
| Stevenage Bangladeshi Cultural Center | Stevenage | A rating |
| Stevenage Borough Council | Danestrete | A rating |
| Stevenage Education Support Centre | Stevenage | A rating |
| Stevenage FA Limited t/a Fireaway Pizza | Stevenage | A rating |
| Stevenage Football Club Limited | Stevenage | A rating |
| Stevenage Laundry Limited | Stevanage | A rating |
| Stevenage Taxis Ltd | Stevenage | A rating |
| Stevens & Bolton LLP | Guildford | A rating |
| Stevens Childrens Homes Limited | Garlinge | A rating |
| STEVENSTON ENTERPRISE LTD | IRVINE | A rating |
| Stevie Wight Electrical Limited | Dumfries | A rating |
| Steward Holdings Ltd. | London | A rating |
| Stewards Academy Trust | Harlow | A rating |
| Stewart Agricultural Ltd | INVERURIE | A rating |
| STEWART COMMERCIALS LTD | ANTRIM | A rating |
| Stewart Farms Ltd | Perth | A rating |
| Stewart Title Limited | London | A rating |
| Stewart Travel Limited | Glasgow | A rating |
| Stewart's Melville Cricket Club | Edinburgh | A rating |
| Stewarts | London | A rating |
| STEWARTS (SCOTLAND) LIMITED T/A GLENCARSE FOODS | PERTH | A rating |
| Stewarts of Tayside Ltd | Perth | A rating |
| Steyndent Limited | Steyning | A rating |
| STF Professional Services Ltd | London | A rating |
| STG Fabrications Ltd | Woking | A rating |
| STG Partners UK Ltd | London | A rating |
| STHAN M1 LTD | Manchester | A rating |
| SThree | Glasgow | A rating |
| Stibbe London B.V. | London | A rating |
| Stibo Systems Ltd | Reading | A rating |
| stichd sportmerchandising uk ltd | LONDON | A rating |
| Stichting Climate-KIC International Foundation | London | A rating |
| Stichting Oxfam International | Oxford | A rating |
| Stichwork Ltd | Basingstoke | A rating |
| Stick 'n' Step | Wallasey | A rating |
| Stick & Twist Ltd | Tonbridge | A rating |
| Stick Boy Limited | London | A rating |
| STICK CARE LTD | BARKING | A rating |
| STICK-MIG-WELDING FABRICATION LTD | Chatham | A rating |
| Stickland & Co. Ltd T/A Stickland Pharmacy | London | A rating |
| STICKS 'N' SUSHI UK LIMITED | London | A rating |
| STICKYBEAK LIMITED | London | A rating |
| STICS Limited | Bolton | A rating |
| Stifel Nicolaus Europe Limited | London | A rating |
| Stiff + Trevillion Architects Ltd | London | A rating |
| STIFF AND TREVILLION ARCHITECTS LIMITED | Abingdon | A rating |
| Stifford Centre Limited | London | A rating |
| Stifford Clays Medical Practice | Grays | A rating |
| Stiftung fuer Effektiven Altruismus | London | A rating |
| Stig Motors | London | A rating |
| Stikeman Elliott LLP | London | A rating |
| STILL WATERS GREEN TECHNOLOGY LIMITED | London | A rating |
| Stillcare Ltd | Tottenhamhale | A rating |
| Stillwater Associates Ltd | Reigate | A rating |
| Stiltz Limited | Kingswinford | A rating |
| STIM Scotland Ltd | Clydebank | A rating |
| StimWell Services Limited | Great Yarmouth | A rating |
| Stingray Bio Ltd | Brighton | A rating |
| Stink Limited | London | A rating |
| Stint Ltd | Essex | A rating |
| Stipenda Limited | Warwick | A rating |
| Stir Cambridge Limited | Cambridge | A rating |
| Stir PR | London | A rating |
| Stirchley Medical Practice | Telford | A rating |
| Stirling and Son limited | Yelverton | A rating |
| Stirling Animation Studio Limited | Stirling | A rating |
| Stirling Baptist Church | Stirling | A rating |
| STIRLING CASTLE CONSTRUCTION LIMITED | Hounslow | A rating |
| Stirling Council | Stirling | A rating |
| Stirling Education UK LTD | London | A rating |
| Stirling Maynard | Peterborough | A rating |
| Stirling Square Capital Partners LLP | London | A rating |
| Stirling Supermarkets Ltd t/a Spar | Stirling | A rating |
| Stitch Editing Limited | London | A rating |
| Stitch Effect (UK) Ltd | Bolton | A rating |
| STITCH IN TIME READING LTD | Reading | A rating |
| Stitches Tailoring Limited | Manchester | A rating |
| Stittenham Racing | York | A rating |
| Stivic Care Services Limited | Colchester | A rating |
| STIX & STONES (NI) LTD T/A STIX AND STONES | BELFAST | A rating |
| STJ Advisors Group Limited | London | A rating |
| STJ Associates Limited | London | A rating |
| STJ Property Services Ltd | Romford | A rating |
| STJ PVT LTD | Erdington | A rating |
| STL Advisory Ltd | London | A rating |
| STL Digital UK Limited | London | A rating |
| STL Tech Limited | Bristol | A rating |
| STLC TECHNO SOLUTIONS LIMITED | Solihull | A rating |
| STM BUILDERS LTD | West Bromwich | A rating |
| STM Environmental Consultants | London | A rating |
| STM Sports Ltd | London | A rating |
| STM Techies Limited | Glasgow | A rating |