| Spring Valley Care Services Ltd | Northwood | A rating |
| Spring Valley Coffee Roasters Limited | London | A rating |
| Spring View Care Ltd | Bromsgrove | A rating |
| Spring View Cricket and Bowling Club Limited | Wigan | A rating |
| SPRING51 LIMITED | Belfast | A rating |
| Springbank Care Home Ltd | Silsden | A rating |
| Springbank Nursing Home | Barry | A rating |
| SPRINGBOARD CARE SERVICES LTD | Lancashire, England, | A rating |
| Springboard Nursery | Anlaby | A rating |
| Springcare Ltd | Whitchurch | A rating |
| Springcare Recruitment Ltd | Barking | A rating |
| Springcare Support Services Ltd. | London | A rating |
| springcroft homes ltd | Manchester | A rating |
| Springdene Nursing & Care Homes Ltd | Enfield | A rating |
| Springer Nature Limited | London | A rating |
| Springer Verlag London Limited | London | A rating |
| SPRINGFIELD CAR SPARES LTD | Birmingham | A rating |
| Springfield Care Home | Chorley | A rating |
| Springfield Care Services Ltd | Leeds | A rating |
| Springfield Care Sunderland Limited | Philadelphia | A rating |
| SPRINGFIELD COURT LTD | AUGHTON | A rating |
| Springfield Equestrian Limited | Nottingham | A rating |
| Springfield Health Services Limited | Emsworth | A rating |
| Springfield Home Care Services Limited | Leeds | A rating |
| Springfield Manor Gardens | Preston | A rating |
| Springfield Manor UK Limited T/A Springfield Manor Nursing Home | Guildford | A rating |
| Springfield Medical Practice | Glasgow | A rating |
| Springfield Properties (Scotland) LTD | Edinburgh | A rating |
| Springfield Supplies & Projects Ltd | Bristol | A rating |
| Springfield Surbiton Limited t/a Ritechem Pharmacy | Surbiton | A rating |
| Springfield Surgery | Birmingham | A rating |
| Springfields Medical Centre | Warrington | A rating |
| Springfields Residential Home Limited | Okehampton | A rating |
| Springfields Supported Services Limited | Barking | A rating |
| Springforth International Limited | London | A rating |
| Springforth International Ministry Church | Bagshot | A rating |
| Springhead Construction Limited | Kent | A rating |
| Springhead Health Ltd | Northfleet | A rating |
| Springhill Farms (Pershore) Ltd | Evesham | A rating |
| Springhill Medical Centre | Coventry | A rating |
| SPRINGHILLPRACTICE | London | A rating |
| SPRINGLAWN HOUSE LTD | OMAGH | A rating |
| SPRINGMILL TYRES LIMITED | BRADFORD | A rating |
| SPRINGMOUNT NOTTS LTD | Nottingham | A rating |
| Springout House Ltd | Dagenham | A rating |
| Springpicnic Limited trading as Boro Bistro | London | A rating |
| Springpod | London | A rating |
| Springs Living UK Limited | Harrow | A rating |
| SPRINGS OF JOY CARE SOLUTION (SOJ) C.I.C. | NOTTINGHAM | A rating |
| Springvale Care Limited | Slough | A rating |
| Springvilla Care Ltd | London | A rating |
| Springwell Medical Group | Sunderland | A rating |
| SPRINGWELL TRADING LTD T/A MUST EAT | PERTH | A rating |
| SPRINGWOOD HEALTHCARE SERVICES LTD | Edgware | A rating |
| Springwood residential home ltd | Belper | A rating |
| SPRINGWOOD SURGERY | GUISBOROUGH | A rating |
| SPRINKLED WITH HOPE LTD | Bolton | A rating |
| Sprinklers Direct Limited | Wilmslow | A rating |
| Sprinklr UK Ltd | London | A rating |
| Sprint Automotive Ltd | Bradford | A rating |
| Sprint Electric Ltd | Arundel | A rating |
| Sprint Logistics | Hounslow | A rating |
| Sprint Power Technology Ltd | Birmingham | A rating |
| Sprint Transfers Limited | Horley | A rating |
| Sprint Valley Limited | Alcester | A rating |
| SPRINTLAW (UK) LTD | London | A rating |
| Sprints Capital Management Limited | London | A rating |
| sprintworks Ltd | Manchester | A rating |
| Spritzmonkey Limited | Brightlingsea | A rating |
| Spriya Technologies Ltd | Aylesbury | A rating |
| Sprout.ai Limited | London | A rating |
| Sprouting Accounting Limited | London | A rating |
| Spruce Energy Limited | London | A rating |
| SPRY IT Solutions Ltd | Colchester | A rating |
| SPRY PAY LIMITED | London | A rating |
| Spryker Systems Ltd | Ferndown | A rating |
| SPS CIVIL LIMITED | Ilford | A rating |
| SPS CONSTRUCTION LTD | London | A rating |
| SPS Consulting Engineers (UK) ltd | South Dagenham | A rating |
| SPS Europe Ltd | London | A rating |
| SPS FOOD AND WINE LTD | Saffron Walden | A rating |
| SPS NETWORK LTD T/A PREMIER EXPRESS LLYSFAEN STORES | COLWYN BAY | A rating |
| SPS RATE MARK LTD | Rowley Regis | A rating |
| SPS Solutions Ltd | Ruislip | A rating |
| SPS UK&I Limited | London | A rating |
| SPS-Providea Limited | HIGH WYCOMBE | A rating |
| SPT Group Services LTD | London | A rating |
| SPT Labtech Limited | Royston | A rating |
| SPT LEEDS LTD | LEEDS | A rating |
| Spun Gold TV | London | A rating |
| Spur Therapeutics Limited | Stevenage | A rating |
| Spur Value Partners Ltd | London | A rating |
| SPURFOODS EAILING LIMITED | London | A rating |
| SPV4 Limited | Birmimgham | A rating |
| SPW Food Services Ltd | Bristol | A rating |
| SPW(UK) LLP | London | A rating |
| SPX Flow Europe Ltd | Cheadle Hulme | A rating |
| SPX International Asset Management Ltd. | London | A rating |
| Spybiotech Limited | Oxford | A rating |
| Spycon Security Limited | Ilford | A rating |
| Spyder Construction Limited | Stockport | A rating |
| Spyrosoft Ltd | Christchurch | A rating |
| SQ Electrical Services Ltd | Preston | A rating |
| SQ Motor Group LTD | Reading | A rating |
| SQ Tyres | Peterborough | A rating |
| SQLI UK Limited | London | A rating |
| SQR Group Ltd | Holywell | A rating |
| SQR Security Solutions Ltd | London | A rating |
| SQRx Ltd | Croydon | A rating |
| SQUAD GLOBAL LTD. | London | A rating |
| Squad Labs Limited | London | A rating |
| Squad Serv Ltd | Bristol | A rating |
| Squad Sports Ltd | Tring | A rating |
| SQUADIGITAL UK LIMITED | London | A rating |
| Squarance UK Limited | London | A rating |
| SQUARE ACRE LIMITED | London | A rating |
| Square Bay (Property) Limited | London | A rating |
| Square Burgers Limited | Nottingham | A rating |
| SQUARE COOL LTD | Essex | A rating |
| Square Enix Ltd | London | A rating |
| SQUARE EXTRAORDINAIRE LIMITED | Bramhall | A rating |
| Square Eyecare Limited | Southend-on-Sea | A rating |
| Square Glazing Ltd | Barking | A rating |
| Square Global Ltd | London | A rating |
| Square Guys H Ltd | London | A rating |
| Square Guys SHB Limited | London | A rating |
| Square Guys W Ltd | Watford | A rating |
| Square Health Technology Limited | Windsor | A rating |
| SQUARE LEISURE AND ENTERTAINMENT LIMITED | Harmondsworth | A rating |
| SQUARE LOCUM LIMITED | WEMBLEY | A rating |
| Square Marble Technology Limited | Manchester | A rating |
| Square Medico Ltd T/A Square Medico | London | A rating |
| SQUARE ONE | ODIHAM | A rating |
| Square One Petroleum LTD | Bathgate | A rating |
| Square One Resources Ltd | London | A rating |
| Square Shack | Cardiff | A rating |
| Squarebits Consulting Limited | Basildon | A rating |
| Squared Up Ltd | Maidenhead | A rating |
| SQUAREMD LTD | London | A rating |
| Squarepoint Capital LLP | London | A rating |
| Squarespace UK Limited | London | A rating |
| SquareTrade Limited | London | A rating |
| Squareup (UK) Ltd | London | A rating |
| SquareUp International Services Ltd | London | A rating |
| SQUAREWELL PARTNERS Ltd | Guildford | A rating |
| Squashed Robot Films Ltd | Cheltenham | A rating |
| SQUBE TECHNOLOGIES LTD | Uxbridge | A rating |
| SQUID LABS LTD | London | A rating |
| Squint/Opera Ltd | London | A rating |
| Squire & Partners LLP | London | A rating |
| Squire A Radcliffe & Sons Ltd, t/a SAR Lubricants | Mirfield | A rating |
| Squire Patton Boggs (UK) LLP | London | A rating |
| Squire Technologies Ltd | Dorchester | A rating |
| Squires Kitchen Ltd | Blackmoor | A rating |
| Squish Supply Ltd | London | A rating |
| Squiz (UK) Ltd | London | A rating |
| SQW Limited | London | A rating |
| SQWISH LTD | CAMBRIDGE | A rating |
| SR Dentalcare | Dalkeith | A rating |
| SR Anshika Traders Ltd | Northampton | A rating |
| SR BUILDERS LIMITED | LONDON | A rating |
| SR Care Point Limited | Bexley | A rating |
| SR Cars Ltd | Romford | A rating |
| SR Catchers Ltd | Radstock | A rating |
| SR Consulting Group Limited | London | A rating |
| SR DENTAL LABORATORY | North Harrow | A rating |
| SR DISTRIBUTION LIMITED | Luton | A rating |
| Sr engineering design & consultancy ltd | LONDON | A rating |
| SR ENGINEERS GROUP LIMITED | Mitcham | A rating |
| SR Fashion Ltd | Oldham | A rating |
| SR Freshway Group Ltd | Lockerbie | A rating |
| SR Global Clinical Limited | Milton Keynes | A rating |
| SR Global Systems Ltd | Barking | A rating |
| SR Grandad Limited | Stoke on Trent | A rating |
| SR Graphics Ltd | London | A rating |
| SR INFO SOLUTIONS LTD | Taunton | A rating |
| SR Investors LTD | Stockport | A rating |
| SR LARKHALL LIMITED | LARKHALL | A rating |
| SR Mailing Ltd | Manchester | A rating |
| SR Management and Consultants Ltd | London | A rating |
| SR REFINISH LIMITED | Luton | A rating |
| SR Security Services Ltd | Salford | A rating |
| SR Smile | Stornoway | A rating |
| SR SOFT LTD | Slough | A rating |
| SR SOFTWARE DEV LIMITED | Wolverhampton | A rating |
| SR SOLUTIONS LIMITED | GLASGOW | A rating |
| SR STOURBRIDGE LIMITED | Stourbridge | A rating |
| SR Studio Limited | London | A rating |
| SR Technics UK Ltd | Gatwick Airport | A rating |
| SR TIMBER & BUILDING MERCHANT LTD | Southall | A rating |
| SR VINYHO TRADES LTD | Weymouth | A rating |
| SR. S.S. FM. LTD T/A Farmhouse Pizza | Wokingham | A rating |
| SR73 LTD T/A NEW GOLDEN RICE | FARNBOROUGH | A rating |
| SR7KS STORE LTD T/a COSTCUTTER | Seaham | A rating |
| SRA ACCOUNTANTS LIMITED | CHEADLE | A rating |
| SRA PRIVATE LTD T/A Riverside Mini Market | Riverside | A rating |
| SRA SRA Limited | London | A rating |
| SRAJ (UK) LTD | Romford | A rating |
| SRAJ FOODS UK LTD | LONDON | A rating |
| Sraj Subs Ltd TA Subway | London | A rating |