| STMicroelectronics Ltd | Edinburgh | A rating |
| STN Security Services Ltd | London | A rating |
| STN Supermarket | Balby | A rating |
| STO EXPRESS (COVENTRY) LTD | Coventry | A rating |
| STO Express (Nottingham) Ltd | Nottingham | A rating |
| STO Express (UK) Ltd | Feltham | A rating |
| Stoats Porridge Bars Ltd | Loanhead | A rating |
| Stobbs IP Ltd | Cambridge | A rating |
| Stobswell Tandoori Ltd t/a Curry House | Dundee | A rating |
| Stock Channel Ltd | London | A rating |
| Stock Hill Stud Limited | London | A rating |
| Stock Supplies Ltd | Leicester | A rating |
| Stockbridge MGT Limited | Stockbridge | A rating |
| Stockbridge Pet Supplies Limited | Edinburgh | A rating |
| Stockbridge Village Health Centre | Liverpool | A rating |
| Stockdale Street Limited | London | A rating |
| Stockdales of Sale, Altrincham and District Ltd | Sale | A rating |
| Stockport Council | Stockport | A rating |
| Stockport County Football Club | Stockport | A rating |
| Stockport Implant Centre | Stockport | A rating |
| Stockport Medical Group | Stockport | A rating |
| Stockport NHS Foundation Trust | Stockport | A rating |
| Stockport Ventures Pizza Ltd t/a Papa John's Pizza | Manchester Denton | A rating |
| STOCKS HALL CARE HOMES LIMITED | Skelmersdale | A rating |
| Stocks Sewing Machines Limited | Leeds | A rating |
| Stockton Bakery Limited | Stockton-on-Tees | A rating |
| Stockton Care Limited | Stockton-On-Tees | A rating |
| Stockton Catering Ltd | Sunderland | A rating |
| Stockton Cricket Club | Stockton on Tees | A rating |
| Stockton Drilling Ltd | Wakefield | A rating |
| Stockton on Tees Borough Council | Stockton on Tees | A rating |
| Stockwell Green Community Services | Camberwell | A rating |
| Stockwell Lodge Medical Centre | WALTHAM CROSS | A rating |
| Stockwellcare Support Services Ltd | London | A rating |
| Stockwood Pharm Ltd | Bristol | A rating |
| Stocky Services limited Trading as Ala Turka | Warrington | A rating |
| Stok.ly Ltd | Hereford | A rating |
| Stoke 365 Limited | Stoke-on-trent | A rating |
| STOKE BODYSHOP LIMITED | Stoke-On-Trent | A rating |
| Stoke Carpets and Furniture Limited T/A Unique Carpets | Stoke-on-Trent | A rating |
| STOKE CHICKEN LTD | STOKE ON TRENT | A rating |
| Stoke City Football Club Ltd | Stoke on Trent | A rating |
| STOKE GOLDING LTD TA Mango Tree Restaurant | Nuneaton | A rating |
| Stoke Green Cricket Club | Slough | A rating |
| Stoke Heath Homecare Ltd | Redditch | A rating |
| Stoke Park Limited | Stoke Poges | A rating |
| Stoke Poges Food & Wine Ltd | Slough | A rating |
| Stoke Property Ltd | London | A rating |
| Stoke Rochford Hall 1 Limited t/a Stoke Rochford Hall Hotel | GRANTHAM | A rating |
| STOKE SUPERMARKET LTD | SLOUGH, BERKSHIRE | A rating |
| Stoke-on-Trent and North Staffordshire Theatre Trust Limited | Newcastle-under-Lyme | A rating |
| Stoke-on-Trent City Council | Stoke-on-Trent | A rating |
| STOKE24 LTD BLURTON DENTAL CENTRE | STOKE ON TRENT | A rating |
| STOKELEIGH LODGE RETIREMENT HOME LTD | AVON | A rating |
| Stokely Healthcare Ltd | Taunton | A rating |
| STOKEN HEALTHCARE LTD | Warrington | A rating |
| Stokes Medical Group | Bristol | A rating |
| Stokesley Sports Club | Stokesley | A rating |
| Stokoe Partnership Solicitors | London | A rating |
| STOKVIS TAPES Limited | Tring | A rating |
| Stolle EMS Group Limited | Burnley | A rating |
| Stolle Europe Ltd | Carlisle | A rating |
| Stolon Studio Ltd | London | A rating |
| Stolt-Nielsen M.S. Limited | London | A rating |
| Stolthaven Dagenham Limited | Dagenham | A rating |
| Stomp Productions Ltd | Hove | A rating |
| Stonbury Ltd | Bedford | A rating |
| Stone & Ceramic Limited | Belvedere | A rating |
| Stone Affairs Ltd | Birmingham | A rating |
| Stone Bakery Ltd | Crossmaglen | A rating |
| STONE BATHWEAR UK LIMITED | LONDON | A rating |
| Stone Boat Restaurant | Newcastle | A rating |
| Stone Choice Properties Ltd | Ilford | A rating |
| Stone Cross Surgery | Pevensey | A rating |
| Stone Harbor Services (UK) Ltd | London | A rating |
| Stone House Care and Medical Limited | Kidderminster | A rating |
| Stone House Home Limited | Aylesbury | A rating |
| Stone House Hotel Blackpool Ltd | Blackpool | A rating |
| Stone Junction Limited | Stafford | A rating |
| Stone Key (Blackburn) Ltd | Blackburn | A rating |
| Stone Leisure & Hotels Limited | Bournemouth | A rating |
| Stone Masters Ltd TA Granite house | preston | A rating |
| Stone Nest | London | A rating |
| Stone Paving Direct Limited | Milton Keynes | A rating |
| Stone Security Ltd | Faversham | A rating |
| Stone Solutions Stonemasons Ltd | Magherafelt | A rating |
| Stone Soup Learns | Nottingham | A rating |
| STONE SP CRICKET CLUB | STONE | A rating |
| Stone Spar Stores Ltd | Manchester | A rating |
| Stone Surface Limited | Barking | A rating |
| Stone World UK Ltd. | Daventry | A rating |
| STONE'S CAFE LIMITED | Fareham | A rating |
| STONEAGE BUILDING CONTRACTORS LIMITED | BIRMINGHAM | A rating |
| Stonebarn Holdings Limited | Bath | A rating |
| STONEBRIDGE BOXING CLUB LTD | Wembley | A rating |
| Stonebridge Legal Solutions Limited | London | A rating |
| Stonebridge Nursing Home | Redditch | A rating |
| STONECOLD CONSTRUCTION LIMITED | London | A rating |
| Stonecot Surgery | London | A rating |
| Stonecross Care Home (Kendal) Ltd | Kendal | A rating |
| Stonefield Street Surgery | Rochdale | A rating |
| Stonegate Farmers Ltd | Lacock | A rating |
| Stonegate Pub Company Ltd | Luton | A rating |
| Stonegrove Refrigeration Services Ltd | Harlow | A rating |
| Stoneguard Projects Ltd | London | A rating |
| Stoneham Golf Club | Southampton | A rating |
| Stoneham Lane Surgery | Southampton | A rating |
| Stoneham plc | SIDCUP | A rating |
| Stonehaven Advisors Limited | Leatherhead | A rating |
| Stonehaven Campaigns | London | A rating |
| Stonehaven Healthcare LTD | Ashburton | A rating |
| Stonehaven Residential Home Ltd | Spalding | A rating |
| Stonehaven Search Limited | London | A rating |
| STONEHAVEN SPECSAVERS LIMITED | Stonehaven | A rating |
| STONEHILL MEDICAL CENTRE | BOLTON | A rating |
| Stonehill Sports Ltd | Bolton | A rating |
| STONEHOUSE CONVENIENCE LTD | STONEHOUSE | A rating |
| Stonehouse Property Care Ltd | Henley-on-Thames | A rating |
| STONELEIGH CARE HOME LIMITED | DUDLEY | A rating |
| Stoneleigh Residential Care Home | Weston super Mare | A rating |
| Stoneleigh Store | Epsom | A rating |
| Stonepeak Partners (UK) LLP | London | A rating |
| Stones Constructions Ltd | Thornton Heath | A rating |
| Stones Corporation Ltd | London | A rating |
| Stones Distribution Limited | Enfield | A rating |
| Stonesby House Ltd | Wigston | A rating |
| StoneTurn UK Limited | London | A rating |
| Stonewater Limited | Leicester | A rating |
| Stoneway Church | Reading | A rating |
| STONEWEG EUROPEAN MANAGEMENT SERVICES LIMITED | London | A rating |
| Stonewell Consulting Ltd | Ilford | A rating |
| STONEWEST LIMITED | LONDON | A rating |
| Stonewood Builders Holdings Limited | Chippenham | A rating |
| Stonewood Complex Care Ltd | Manchester | A rating |
| Stonewood Wealth Management LLP | Surrey | A rating |
| StoneX Financial Ltd | London | A rating |
| Stoney Knolls Children's Home Ltd. | Buxton | A rating |
| Stoney Lane Convenience Store | Birmingham | A rating |
| Stoneyard Limited | London | A rating |
| Stoneycroft Healthcare Limited | Leicester | A rating |
| Stoneyford SC Ltd | Milton Keynes | A rating |
| Stoneygate Trading Limited | Leicester | A rating |
| Stoneylane Windows and Plastic Centre Ltd | Birmingham | A rating |
| STONNA LIMITED | London | A rating |
| Stonnall Care Ltd T/A Richmond Hall | Wa | A rating |
| STONY LANE LABORATORIES LIMITED | ATTLEBOROUGH | A rating |
| Stony Stratford Cricket Club | Milton Keynes | A rating |
| Stonyhill Medical Practice | Blackpool | A rating |
| Stonyhurst | Clitheroe | A rating |
| Stoo Limited/ Paz Taqueria | Edinburgh | A rating |
| STOP & SAVE (TUNBRIDGE WELLS) LIMITED | KENT | A rating |
| STOP & SHOP GROCERS LTD | PH1 5PN | A rating |
| Stop n Go | Portsmouth | A rating |
| STOP N SHOP CONVIENCE STORE LIMITED | MANCHESTER | A rating |
| STOP N SHOP EXPRESS LTD | Paisley | A rating |
| STOP N SHOP SELBY LIMITED | SELBY | A rating |
| Stop n shop slough ltd | Slough | A rating |
| STOP START CLOTHING LIMITED | Oadby | A rating |
| Stop Start Go Ltd | Glasgow | A rating |
| STOP THE TRAFFIK | London | A rating |
| Stop-choc Limited | Reading | A rating |
| Stop&Shop Ipswich Ltd T/A Stop & Shop | Ipswich | A rating |
| Stopford Information Systems | CHESTER | A rating |
| Stopford Limited | Knutsford | A rating |
| StopGAP Dance Company | Farnham | A rating |
| Stora Enso UK Ltd | London | A rating |
| Storage and Fulfilment Services Limited | Burntwood | A rating |
| STORAGE CENTRE (WALES) LTD | MERTHYR TYDFIL | A rating |
| Storage Systems Installation Ltd | Hinckley | A rating |
| Storal Learning Ltd. | London | A rating |
| Storck UK Limited | Basingstoke | A rating |
| Store Box Midco Limited | Bolton | A rating |
| Storeboost Ltd | London | A rating |
| Stored Crop Conservation Limited | Lincoln | A rating |
| Stored. Tech Ltd | LONDON | A rating |
| Storefast Solutions Ltd | Northfleet | A rating |
| Storegga Services Limited | London | A rating |
| STORELAB AI LTD | London | A rating |
| Storengy UK Limited | Northwich | A rating |
| Storey & Co Ltd | Edinburgh | A rating |
| Storey Project Limited | London | A rating |
| Storfund | London | A rating |
| Stories Design Studio Ltd | London | A rating |
| Stories Flooring | Leeds | A rating |
| STORILABS UK LIMITED | Ilford | A rating |
| Stork Restaurant & Bar Limited T/A Stork Restaurant | London | A rating |
| Storm Aviation Limited | Essex | A rating |
| Storm Communications Ltd | London | A rating |
| Storm Entertainment Group Limited | London | A rating |
| Storm Games Limited | Wolverhampton | A rating |
| Storm Geomatics Ltd | Shipston on Stour | A rating |
| Storm Homecare Limited | Leicester | A rating |
| Storm ID Ltd | Edinburgh | A rating |
| Storm Ideas Ltd | Edinburgh | A rating |
| STORM ISLAND LTD | London | A rating |
| Storm Model Management Limited | London | A rating |
| Storm Model Management Ltd | London | A rating |
| Storm Procurement Limited | Watford | A rating |
| Storm Research Limited | Derbyshire | A rating |
| Storm Therapeutics Ltd | Waterbeach | A rating |