| SWEET1NE CUISINE LTD | Ilford | A rating |
| Sweetalk & M K HOSSINI LTD | Burgess Hill | A rating |
| Sweetgrass Pubs Ltd | Derby | A rating |
| SWEETHEARTS AND DESSERTS LIMITED | Oldham, | A rating |
| SWEETMAY LIMITED T/A KINGS BAZAAR | Exeter | A rating |
| Sweetnam & Bradley Ltd | Malmesbury | A rating |
| Sweetreat Ltd | Cornwall | A rating |
| Sweets and Bakers Ltd | Rochdale | A rating |
| SweetTree Home Care Services Limited | London | A rating |
| Swellfix UK Ltd | Westhill | A rating |
| Swenta Limited | London | A rating |
| Swera International Ltd | Croydon | A rating |
| SWF Solicitors | MILTON KEYNES | A rating |
| SWIDCH LIMITED | London | A rating |
| Swietelsky Construction Company Ltd | Reading | A rating |
| Swift Alert Services Ltd | Chadwell Heath | A rating |
| SWIFT AUTO GARAGE & MOT CENTRE LTD | Harrow | A rating |
| SWIFT BLUE LTD | Birmingham | A rating |
| Swift Brickwork Contractors Limited | Essex | A rating |
| SWIFT BRITNG SOLUTIONS LTD | Leeds | A rating |
| SWIFT CABS LTD | Kettering | A rating |
| SWIFT CAR CARE SERVICES LIMITED | Cambridgeshire | A rating |
| Swift Car Parts Limited | Huddersfield | A rating |
| Swift Care Services Ltd | Bristol | A rating |
| Swift Cargo International Limited | Ashton-Under-Lyne | A rating |
| Swift Cars (Wokingham) Limited | Wokingham | A rating |
| Swift Certification Limited | Nottingham | A rating |
| Swift Choice ltd | London | A rating |
| Swift Commissioning Management Ltd | Wilmslow | A rating |
| SWIFT CONSULTANT LTD | England | A rating |
| SWIFT DENTAL LABORATORY LTD | BOLTON | A rating |
| Swift Education Limited | London | A rating |
| SWIFT ESTATES & PROJECT MANAGEMENT SERVICES LIMITED | Essex | A rating |
| Swift Freight Ltd | Slough | A rating |
| SWIFT GLOBAL ECO SOLUTIONS LIMITED | Manchester | A rating |
| Swift Group Limited | Cottingham | A rating |
| Swift Group London Limited | London | A rating |
| Swift Haulage UK Ltd | West Bromwich | A rating |
| Swift Healthcare Staffing Services Limited | Salford | A rating |
| Swift Lawyers Limited | Bolton | A rating |
| Swift Letting East Ltd | London | A rating |
| SWIFT LOGISTIC SERVICES LTD | High Wycombe | A rating |
| Swift Motor Repairs Limited | Bolton | A rating |
| Swift Pharmacy | Sheffield | A rating |
| Swift Precision Limited | Pinxton | A rating |
| Swift Real Estate Agents Ltd | LONDON | A rating |
| SWIFT ROOMS LTD | London | A rating |
| Swift Scaffolding Limited | Colchester | A rating |
| SWIFT SERVICE PVT LTD | Musselburgh | A rating |
| Swift Services Provider Ltd T/A Textile Home | London | A rating |
| Swift Strategies Limited | London | A rating |
| SWIFT STRUCT LTD | London | A rating |
| SWIFT TRANSPORT SERVICES 24/7 LTD | Peterborough | A rating |
| SWIFT UK COURIERS LTD | Birmingham | A rating |
| SWIFT WEAR LTD | Wolverhampton | A rating |
| SWIFT WORKFORCE LTD | ILFORD | A rating |
| SWIFT-PAYUK LIMITED | Wembley | A rating |
| Swiftacc Limited | London | A rating |
| Swiftbar Limited | London | A rating |
| SWIFTERIO LIMITED | London | A rating |
| Swifthand Care Services Limited | London | A rating |
| Swiftmeds Ltd | London | A rating |
| Swiftnet Solutions Limited | Milton Keynes | A rating |
| Swifts Supermarkets Ltd | Lisnaskea | A rating |
| SWIFTSAVE HOME LTD | London | A rating |
| Swiftsure Interior Solutions Ltd | Kent | A rating |
| SWIFTTECH IT SOLUTIONS LTD | Manchester | A rating |
| SWIFTWAVE SOLUTIONS LTD | Bradford | A rating |
| Swiis UK Limited | Bristol | A rating |
| Swillbrook Limited | Preston | A rating |
| Swim Ulster Limited | Bangor | A rating |
| SWIM.AI Ltd | Cheltenham | A rating |
| SWIMLANE UK LTD | Cheltenham | A rating |
| Swindon Borough Council | Swindon | A rating |
| Swindon Cricket Club | Swindon | A rating |
| SWINDON DISPENSARY LIMITED | Swindon | A rating |
| Swindon Dispensary Limited T/A Swindon Pharmacy | Swindon | A rating |
| Swindon Hindu Temple | Swindon | A rating |
| SWINDON PIZZA LIMITED | Swindon | A rating |
| Swindon Powertrain Ltd | Swindon | A rating |
| Swindon Scans Limited | Reading | A rating |
| Swindon Silicon Systems Limited | Royal Wootton Basset | A rating |
| Swindon Town Football Company Limited | Swindon | A rating |
| Swindon Trading Ltd | Swindon | A rating |
| Swindon Vision Plus Limited | Swindon | A rating |
| Swindon Wildcats Hockey Ltd | Swindon | A rating |
| Swineshead Medical Group | Swineshead | A rating |
| Swingers 1 Ltd | London | A rating |
| Swinkels Family Brewers UK Ltd | Tutbury | A rating |
| Swinley Off Licence | Wigan,Greater Manchester | A rating |
| Swinnerton Trust | Nuneaton | A rating |
| Swinton Dental Practice | Rotherham | A rating |
| Swinton Food Ltd | Glasgow | A rating |
| Swinton Moorside Cricket Club | Swinton | A rating |
| Swinton Park Ltd | Ripon | A rating |
| SWINTON WINE LTD | Swinton | A rating |
| SWIP Eco Ltd | Birmingham | A rating |
| SWIP Ltd | Birmingham | A rating |
| Swipe & Tap Ltd | Leicester | A rating |
| Swipe Right PR Ltd | Surrey | A rating |
| SWIRE RENEWABLE ENERGY LIMITED | London | A rating |
| Swiss Cottage Surgery | London | A rating |
| SWISS DESIGN LIMITED | Bristol | A rating |
| Swiss Finance & Property UK Ltd | London | A rating |
| Swiss Finance Corporation Limited | London | A rating |
| Swiss Horology LTD | London | A rating |
| Swiss Life Asset Managers UK Limited | London | A rating |
| Swiss Re Services Ltd | London | A rating |
| SWISSCORP LIMITED | Southall | A rating |
| Swisslog (UK) Ltd | Redditch | A rating |
| Swisspearl GB Limited | warrington | A rating |
| Swissport GB Limited | Runcorn | A rating |
| Swissquote Ltd | London | A rating |
| SWITCH (MCR) LTD | Manchester | A rating |
| Switch 2 Energy Ltd | Shipley | A rating |
| Switch EV Ltd | London | A rating |
| Switch Mobility Limited | Rotherham | A rating |
| Switch On Ltd | Dudley | A rating |
| SWITCH ON LTD | BIRMINGHAM | A rating |
| SWITCH PROPERTIES LEEDS LTD | Leeds | A rating |
| Switch Squid Ltd | Warwick | A rating |
| Switch Training Ltd | Luton | A rating |
| SWITCH&SAVE BUSINESS SERVICES LTD | Birmingham | A rating |
| Switchd LTD | London | A rating |
| Switched On London Ltd | London | A rating |
| Switchee Limited | London | A rating |
| Switchels Limited | London | A rating |
| Switchshop Limited | Kimpton | A rating |
| Switchware Ltd | London | A rating |
| Switzerland Tourism | London | A rating |
| Switzerland Travel Centre Ltd | London | A rating |
| SWIVELT UK LTD | LONDON | A rating |
| SWIX Family Office UK Limited | London | A rating |
| SWJ Consulting | Witney | A rating |
| SWJ TECHNOLOGY UK LIMITED | Oxford | A rating |
| SWK ENTERPRISE LTD | GLASGOW | A rating |
| SWK GROUP LTD T/A THE FLAMIN CHICKEN LTD | LIVERPOOL | A rating |
| SWL SERVICES LTD | MITCHAM | A rating |
| SWMEDICARE LIMITED | Swansea | A rating |
| Swn-Y-Gan Ltd t/a SWN-Y-GAN NURSING HOME | Swansea | A rating |
| Swogo Limited | Hampshire | A rating |
| Swoop Finance Limited | Milton Keynes | A rating |
| Swooshtransfer Ltd | London | A rating |
| SWOR LIMITED | London | A rating |
| SWORD FACILITIES SERVICES LTD | Barking | A rating |
| Sword of the Spirit Evangelical Outreach | London | A rating |
| Sword Of The Spirit Ministries | London | A rating |
| Sword Technology Solutions Limited | Staines | A rating |
| SWOT AZ LTD | Huddersfield | A rating |
| SWS Certification Services Ltd | Port Talbot | A rating |
| SWS-1 Limited | Glasgow | A rating |
| Swyvl Ltd | London | A rating |
| SX Group Holding UK Limited | London | A rating |
| Sx Services (ESSEX) Limited | London | A rating |
| Sxaler Ltd | Teddington | A rating |
| SXSW London Limited | London | A rating |
| SY BUILDER LTD | Manchester | A rating |
| SY Homes (Construction) Limited | Shrewsbury | A rating |
| SY MIDLAND LTD | Smethwick | A rating |
| SY4SECURITY LIMITED | WAKEFIELD | A rating |
| SYA Services Egham Limited | Egham | A rating |
| SYB LAW CHAMBERS LTD | London | A rating |
| Sybarite UK Limited | London | A rating |
| SYBARITIC PUBS LIMITED | London | A rating |
| SYBASH LTD | ROMFORD | A rating |
| Sybo Deliveries Ltd | Birmingham | A rating |
| SYCAMORE AVE LTD | London | A rating |
| SYCAMORE CHURCH RCCG | Ancoats | A rating |
| Sycamore Process Engineering Limited | Sparkford | A rating |
| Sycle Logistics | Telford | A rating |
| Sycurio Limited | Guildford | A rating |
| SYD Leisure Ltd | Barmouth | A rating |
| Sydell London Ltd | London | A rating |
| Sydenham After School Club | London | A rating |
| SYDENHAM BALTI N PIZZA LTD | Royal Leamington Spa | A rating |
| SYDENHAM DOUBLE GLAZING LTD T/A SDG WINDOW | LONDON | A rating |
| Sydmar Lodge Ltd | Edgware | A rating |
| Sydney Care Ltd | London | A rating |
| SYDNEY CONSTRUCTION & HOME IMPROVEMENTS LIMITED | Rainham | A rating |
| Sydney Food Limited | London | A rating |
| Sydney Hudson Ltd | Bedford | A rating |
| SYDNEY IFA LIMITED | ILFORD | A rating |
| Sydney L. Moss Ltd | London | A rating |
| Syed Accountants Ltd | Wembley | A rating |
| Syed Ansari Limited T/A Jamaica Blue Rushden | Rushden | A rating |
| SYED EXPERTS LTD | Liverpool | A rating |
| Syed HR Consultants Ltd | London | A rating |
| Syed Jalal Ali Gillani T/a Barlow Store | Manchester | A rating |
| Syed Khawarzami Welfare Trust | MILTON KEYNES | A rating |
| SYED PROPERTY LTD | Nottingham | A rating |
| SYED SERVICES LTD | Birmingham | A rating |
| SYED VINTAGE GROUP LTD | ILFORD | A rating |
| SYEDAALAM LTD | Yeovil | A rating |
| SYEDS BOUTIQUE LTD | Caernarfon | A rating |
| Syensqo Solutions UK Limited | Oldbury | A rating |
| Syft Online Limited t/a Syft | London | A rating |
| Sygal Limited | London | A rating |
| Sygna (EMEA) Limited | London | A rating |
| Sygnature Discovery Limited | Nottingham | A rating |
| Sygnia Asset Management UK Limited | London | A rating |