| Sovereign Strategy Ltd | London | A rating |
| Sovereign Tourism Ltd | London | A rating |
| Sovos Compliance Limited | Farnborough, Hants | A rating |
| Sovran Global Ltd | Isleworth | A rating |
| SOVRIN PLASTICS LIMITED | Slough | A rating |
| Sovrn UK Limited | London | A rating |
| SovTech UK Ltd | London | A rating |
| Sow Kitchen Ltd | West Bromwich | A rating |
| SOWMYAA LTD | AYRSHIRE | A rating |
| Sowvital Ltd | London | A rating |
| Soyasa Limited | Stafford | A rating |
| Soyler Limited | Peacehaven | A rating |
| Soyut Consultancy Ltd | Stoke-on-Trent | A rating |
| Sozio UK Ltd | Wellingborough | A rating |
| SOZO Design Ltd | Cheltenham | A rating |
| SP (Scotland) Limited | Glasgow | A rating |
| SP & BEM LTD t/a Feathers Royal Hotel | Chester | A rating |
| SP AIRCON LIMITED | LEICESTER | A rating |
| SP BOW LIMITED | Leicester | A rating |
| SP DEVANI LIMITED T/A BARROW SERVICE STATION | LOUGHBOROUGH | A rating |
| SP DRONA LTD T/A ESSO | Inverness | A rating |
| SP FIVE STAR LTD | London | A rating |
| SP FOOD MART LIMITED | EPPING | A rating |
| SP FOODS BEDS LTD t/a Shisha Planet Luton | Luton | A rating |
| SP Glass Holdings B.V. | Omskirk | A rating |
| SP Hardware & Guttering Limited | Telford | A rating |
| SP Home Care Ltd | Corby | A rating |
| SP IT Services Limited | London | A rating |
| SP Logistics Solutions Limited | WEMBLEY | A rating |
| SP MIDLANDS SUBWAY LTD | WOLVERHAMPTON | A rating |
| SP PIZZA LIMITED | Leicester | A rating |
| SP Revolution Ltd | Edgware | A rating |
| SP Rotherham Ltd t/a Smoke & Pepper | Rotherham | A rating |
| SP SETIA GROUP LTD | Manchester | A rating |
| SP STAFFING SERVICES LTD | Ilford | A rating |
| SP WARREN STREET LTD | London | A rating |
| SP-BUILDING SERVICES LIMITED | Cambridge | A rating |
| SP&PP LTD | WEMBLEY | A rating |
| SP1 Solutions Ltd | Oxford | A rating |
| SP24 NEWS & WINES | COVENTRY | A rating |
| SPA Business Services Limited | Uxbridge | A rating |
| SPA Business Services Ltd | Uxbridge | A rating |
| Spa Dairy Limited | Warwickshire | A rating |
| SPA DENTAL CARE LIMITED | Southend on sea | A rating |
| Spa Education Trust | London | A rating |
| SPA FOOD & WINE LTD T/A PREMIER | BLACKPOOL | A rating |
| SPA HEALTH GROUP LTD | Kingshurst | A rating |
| Spa Nursing Homes Ltd | Belfast | A rating |
| Spa Plastics Limited | Coventry | A rating |
| SPA Retailing Ltd t/a SGN Jet Gateshead | Gateshead, Tyne and Wear | A rating |
| Spa Surgery | Boston Spa | A rating |
| Space & Place Properties Limited | London | UK Expansion Worker: Provisional |
| Space 48 Limited | Manchester | A rating |
| Space Agency Design Ltd | Bristol | A rating |
| Space Ape Games (UK) Ltd | London | A rating |
| Space Brands Ltd | London | A rating |
| Space Designing Limited | London | A rating |
| Space Doctors Limited | Brighton | A rating |
| Space Executive Limited | London | A rating |
| SPACE FOR GIANTS | London | A rating |
| Space Forge Ltd | Cardiff | A rating |
| Space Group of Architects Ltd | London | A rating |
| Space Inclusive Ltd | Nottingham | A rating |
| Space Intelligence | Edinburgh | A rating |
| Space Logistics Ltd | Smethwick | A rating |
| Space Made Group Limited | London | A rating |
| Space Merchants Ltd | Harrow | A rating |
| Space NK Limited | London | A rating |
| Space Syntax Limited | London | A rating |
| Space Systems Ltd | Manchester | A rating |
| Space Zero (North) Ltd | Manchester | A rating |
| Spacecom Ltd | Peckleton | A rating |
| Spacecraft International Ltd | London | A rating |
| Spaced Digital Ltd | London | A rating |
| SPACEFLUX LTD | LONDON | A rating |
| Spacehub Design Limited | London | A rating |
| Spacelabuk Ltd | London | A rating |
| Spacemaker Inc. Limited | Nuneaton | A rating |
| Spacemaker Solutions Ltd | Ilford | A rating |
| SPACEPM LIMITED | London | A rating |
| Spaceships UK Ltd | Walton on Thames | A rating |
| Spacious Limited (trading as Hubble) | London | A rating |
| SpaClean Ltd | Coventry | A rating |
| SpaDental Ltd | Shrewsbury | A rating |
| SPAFAX AIRLINE NETWORK LIMITED | London | A rating |
| Spafax International Limited | Basingstoke | A rating |
| SPAGHETERIA LIMITED T/A IL Funghetto | North Finchley | A rating |
| Spaghetti Tree Limited | Norwich | A rating |
| SPAICE TECHNOLOGY LTD | London | A rating |
| SPAITIAL LTD | London | A rating |
| Spalders Ltd | London | A rating |
| SPALDING AND SPARROW LIMITED | LONDON | A rating |
| Spalding Visionplus Limited t/a Specsavers | Spalding | A rating |
| Spaldings Ltd | Lincoln | A rating |
| Spam Store | Nottingham | A rating |
| SpaMedica Limited | Bolton | A rating |
| SPANDEX LTD | BRISTOL | A rating |
| Spandidos Publications UK Ltd | London | A rating |
| SPANISH AND PORTUGUESE JEWS CONGREGATION | LONDON | A rating |
| Spanish Chamber of Commerce in the United Kingdom | London | A rating |
| Spanish Education Office | London | A rating |
| Spanish House England Ltd | London | A rating |
| Spanish Slate Quarries UK Limited | London | A rating |
| Spar - Morden | Morden | A rating |
| SPAR (FORFAR) LIMITED | DUNDEE | A rating |
| SPAR & POST OFFICE T/A SPAR | PRESTON | A rating |
| SPAR DEANSGATE LTD | MANCHESTER | A rating |
| SPAR INTERNATIONAL LTD | Newbury | A rating |
| Spar Rowan Street | Paisley | A rating |
| SPAR SERENA LIMITED | Stoke On Trent | A rating |
| Spar Supersave ltd | Dudley | A rating |
| Spar Townhill | Fife | A rating |
| SPAR UK Ltd | Harrow | A rating |
| SPAR Weston | Bath | A rating |
| SPARC-E LIMITED | Swindon | A rating |
| Sparca Limited | Croydon | A rating |
| Spares & Repairs Limited | Birmingham | A rating |
| Sparex Limited | Exeter | A rating |
| Spark | london | A rating |
| SPARK A2Z LIMITED | London | A rating |
| Spark by Hilton Luton | Luton | A rating |
| SPARK COMMODITIES UK LTD | Cheshire | A rating |
| Spark Data Systems Ltd | BRISTOL | A rating |
| Spark Digital Trading (UK) LLP | London | A rating |
| SPARK EDUCARE AND CONSULTANCY LTD | Birmingham | A rating |
| Spark Emerging Technologies Limited | Waterlooville | A rating |
| SPARK EVENT SOLUTIONS LIMITED | London | A rating |
| SPARK EVENTS LIMITED | Southall | A rating |
| Spark Foundry Limited (Trading as Blue 449) | London | A rating |
| Spark Learning Limited | Rugby | A rating |
| Spark Medical Group - St Georges Surgery | Birmingham | A rating |
| Spark Product Innovation Limited | bristol | A rating |
| Spark360 Ltd | Coventry | A rating |
| SPARKBROOK MANAGEMENT LIMITED | Birmingham | A rating |
| Sparkfast Ltd TA AuditStar | London | A rating |
| Sparkh Ltd | London | A rating |
| sparkle double glazing ltd. | London | A rating |
| Sparklean.Ox Limited | Oxford | A rating |
| SPARKLES CAR WASH LTD | Huddersfield | A rating |
| Sparkles Day Nursey Limited | East Ham | A rating |
| SPARKLES HEALTHCARE | LEATHERHEAD | A rating |
| Sparkline Home Solution Limited | London | A rating |
| Sparkling Angels PreSchool Ltd | Stanford-Le-Hope | A rating |
| Sparkol Limited | Bristol | A rating |
| Sparkpk Ltd | Hounslow | A rating |
| Sparks Commercial Services Ltd | Totton | A rating |
| Sparks Commercial Swindon Ltd | Swindon | A rating |
| Sparks Commercials Exeter Ltd | EXETER | A rating |
| Sparks Commercials Poole Ltd | Poole | A rating |
| Sparks Commercials Portmouth Ltd | Portsmouth | A rating |
| Sparks Marketing (EMEA) Ltd | Kenilworth | A rating |
| SPARKS STAPLE WINE LTD | Nottingham | A rating |
| Sparks Supermarket | Wattford | A rating |
| Sparkshire Development Limited | Harrow | A rating |
| Sparkswood Ltd | Brought on in Furness | A rating |
| SPARKTECH IT SOLUTIONS LTD | Birmingham | A rating |
| SPARKTRICITY LIMITED | Hayes | A rating |
| SPARKX EBIKES LTD | Aberdeen | A rating |
| Sparq Promotions | Hove | A rating |
| Sparring Partners Ltd | London | A rating |
| Sparrow eMobility Ltd | London | A rating |
| Sparrow Food and Wine | Croydon, Surrey | A rating |
| Sparrows Offshore International Group Ltd | Aberdeen | A rating |
| SPARSH AZIL LTD | Tamworth | A rating |
| Sparsh Retail Limited T/A Beechwood Road Stores | Halifax | A rating |
| Sparsholt College Hampshire | Winchester | A rating |
| Sparta Capital Management Ltd | London | A rating |
| Sparta Commodities Ltd | London | A rating |
| Sparta Global Limited | London | A rating |
| Sparta Statues Limited | Holyport | A rating |
| Sparta Telecom Limited | Luton | A rating |
| Spartacist Publications | London | A rating |
| Spartan Advisors EMEA LTD | London | A rating |
| SPARTAN PROPERTY SERVICES LIMITED | Ilford | A rating |
| SPARTAN RACE UK OPERATIONS LIMITED | London | A rating |
| Spartan UK Ltd | Gateshead | A rating |
| Sparx Communications Ltd T/A Aspectus PR | London | A rating |
| Sparxell UK Limited | Cambridge | A rating |
| Sparxsys Solutions Limited | Slough | A rating |
| Spatial Design Hub Limited | London | A rating |
| SpatialBuzz Limited | Guildford | A rating |
| Spatialest Limited | Coleraine | A rating |
| Spaulding Ridge Advisory UK Limited | London | A rating |
| Spayne Lindsay & Co LTD | London | A rating |
| Spazio Joinery Ltd | Chelmsford | A rating |
| SPB Civil Engineering Ltd | Waterlooville | A rating |
| SPB Corporation Limited | Langley | A rating |
| SPC 2021 Ltd | Great Eccleston | A rating |
| SPC COATINGS LTD | LONDON | A rating |
| SPC Europe Limited | Westbury | A rating |
| SPCK | London | A rating |
| SPD Development Company Ltd | Bedford | A rating |
| SPDS Care Limited | Ware | A rating |
| SPEAK BETTER ENGLISH LIMITED | Burbage | A rating |
| Speak Easy Construction Ltd | Banbury | A rating |
| Speak Media (UK) Limited | Nottingham | A rating |
| Speakeasy Entertainment (T/A Nightjar) | London | A rating |
| Speakeasy Therapy Ltd | Leicestershire | A rating |
| Speakers Corner (London) Ltd | London | A rating |
| Speakfirst Limited T/A Lepaya | Peterborough | A rating |