| Silomarg Ltd | Alfreton | A rating |
| SILPHIUM ASSET MANAGEMENT LIMITED | LONDON | A rating |
| Silsden News Ltd | Silsden | A rating |
| SILSOE PRESTIGE MOTORS LTD | Bedford | A rating |
| Siltbuster Ltd | Monmouth | A rating |
| Silva Brothers Logistics Ltd | London | A rating |
| Silva Care Ltd | Bristol | A rating |
| SILVACO EUROPE LTD | ST IVES | A rating |
| Silvana's Restaurant Ltd | FARNHAM | A rating |
| SilvaTech Solutions Ltd | Exeter | A rating |
| Silver Birch Care (Residential Services) Limited | Finchley | A rating |
| SILVER BIRCH CARE HOME LTD | Birmingham | A rating |
| Silver Birch Finance Ltd | London | A rating |
| Silver Bricks London Ltd | London | A rating |
| Silver Bullet Data Services Ltd | London | A rating |
| SILVER CLOUD HR | Essex | A rating |
| Silver Hellas Ltd | Christchurch | A rating |
| Silver House Solutions Limited | Newport Pagnell | A rating |
| SILVER HUB LIMITED | Leeds | A rating |
| SILVER INN LTD | LONDON | A rating |
| Silver Lake Europe LLP | London | A rating |
| SILVER LAVA LIMITED | HAYES | A rating |
| Silver Levene LLP | London | A rating |
| Silver Lining Convergence Ltd | FAREHAM | A rating |
| Silver Lining Fish Selling Company Ltd | Campbeltown | A rating |
| Silver Lining Fostering Limited | Brentford | A rating |
| Silver Lining Interactive Ltd | KNUTSFORD | A rating |
| Silver Lounge (Takeaway) Limited | Cardiff | A rating |
| SILVER MARIS LOGISTICS LTD | Manchester | A rating |
| Silver Palate | Harpenden | A rating |
| SILVER PEARL FOODS LTD | Newbury | A rating |
| Silver Petals Limited | Hounslow | A rating |
| Silver Phoenix Feast Ltd T/A JRC Global Buffet | Wembley | A rating |
| Silver Point Capital Europe, Ltd | London | A rating |
| Silver Rain Games Ltd | Sudbury | A rating |
| Silver Regulatory Associates LLC | London | A rating |
| Silver Screen Stores Ltd | Calne | A rating |
| Silver Sheds Properties Ltd | Manchester | A rating |
| SILVER SHINE TURF SERVICES LTD | SOUTHALL | A rating |
| Silver Space Limited | Feltham | A rating |
| Silver Spring Resources Trading as Sunlite Dry Cleaners | Tynemouth | A rating |
| Silver Springs Residential Care Home | Watford | A rating |
| SILVER STAR DIABETES | Leicester | A rating |
| Silver Stone Partners Ltd | London | A rating |
| Silver Summer Limited | London | A rating |
| Silver Touch Technologies (UK) Limited | Chelmsford | A rating |
| Silver Tree Care Ltd | Dunstable | A rating |
| Silver Tree Parent Limited | London | A rating |
| SILVER ZENITH MARITIME UK LIMITED | London | A rating |
| Silveray | Stockport | A rating |
| SILVERBACK SMART TECHNOLOGY LIMITED | London | A rating |
| Silverberry Care Ltd | Kenilworth | A rating |
| Silverberry Food Ltd | London | A rating |
| SILVERBIRCH LODGE LIMITED | BALLYNAHINCH | A rating |
| Silverbrook Holdings Limited | London | A rating |
| Silverburn Care Home | GLASGOW | A rating |
| Silvercrest Care Homes Limited | Bridgend | A rating |
| Silvercrown Care Homes (Swansea) Limited | Swansea | A rating |
| Silverdale & Ryecroft Practice | Newcastle | A rating |
| Silverdale Care Home | Castlederg | A rating |
| SILVERDALE CARE HOMES LIMITED | Newcastle Under Lyme | A rating |
| Silverdale medical centre | leicester | A rating |
| Silverdale Medical Practice | Manchester | A rating |
| SILVERDINE EVENTS LIMITED | HOUNSLOW | A rating |
| SilverDoor Limited | London | A rating |
| Silverend Food & Wine Limited | Witham | A rating |
| Silverfin Software Ltd | London | A rating |
| Silverhill Duck (UK) Limited | Moira, Craigavon | A rating |
| Silverhive Limited | Hoddesdon | A rating |
| SILVERJEN LIMITED | LEATHERHEAD | A rating |
| Silverlake Care 2 Limited | Birmingham | A rating |
| Silverlake Garage (Motor Salvage) LTD | southampton | A rating |
| Silverlake Investments London Limited | Milton Keynes | A rating |
| Silverleaf Care Homes Ltd | Hythe | A rating |
| SILVERLEAF TEXTILES (UK) LTD | Birmingham | A rating |
| SILVERLIGHT IT CONSULTANCY LTD | LONDON | A rating |
| Silverlining Design Ltd | Bangor | A rating |
| Silverlink Technologies Ltd | London | A rating |
| Silvermere golf & Leisure ltd | Cobham | A rating |
| Silvermere Healthcare Services Limited | London | A rating |
| SILVERMOON GLOBAL LTD | London | A rating |
| Silveroak Housing Ltd | Birmingham | A rating |
| SilverOak Legal Limited | Greenford | A rating |
| Silverpeak LLP | London | A rating |
| Silverplay Ltd | Twickenham | A rating |
| Silversea Cruises UK Limited | London | A rating |
| Silvershell Integrated Consulting Ltd | Glasgow | A rating |
| Silverstar Packaging Limited | Barking | A rating |
| Silverstars Care Ltd | Sherborne | A rating |
| SILVERSTARS7 LIMITED T/A AMANTOLA RESTAURANT | Flintshire | A rating |
| SILVERSTART TRADING LTD | LONDON | A rating |
| Silverstone Academy Trust | Silverstone | A rating |
| Silverstone Business Consulting Ltd | London | A rating |
| SILVERSTONE CARE LTD T/A TUDOR COTTAGE | Devon | A rating |
| Silverstone Circuits Limited | Towcester | A rating |
| Silverstone Design Ltd | Towcester | A rating |
| SILVERSTONE MOTOR GROUP LTD | Manchester | A rating |
| Silverstream Technologies (UK) Limited | London | A rating |
| SilverStreet Capital LLP | Cobham | A rating |
| Silverstripe Advisors Ltd | London | A rating |
| Silverstripe Credit and Technologies Limited | London | A rating |
| Silversword Ltd | Old Alresford | A rating |
| Silverthorn Engineers Ltd | Leicester | A rating |
| Silvertip Digital | London | A rating |
| SilverTree Equity Partners LLP | London | A rating |
| Silverwood Care Peterborough LTD t/a Silverwood Care | Peterborough | A rating |
| SILVERWOOD PROPERTY HOLDINGS LIMITED | Wisbech | A rating |
| Silvia (London) Limited | London | A rating |
| SilviBio Limited | Livingston | A rating |
| SILVINE SOLICITORS LIMITED | London | A rating |
| SIM AUTOS LTD | Hitchin | A rating |
| Sim Caterers Ltd T/A RARA Dining | Ruislip | A rating |
| SIM DISTRIBUTORS LTD | Hounslow | A rating |
| Sim Estate Ltd | Kent | A rating |
| SIM INTERNATIONAL (UK) | Histon | A rating |
| Sim Trava (North West) Limited | Altrincham | A rating |
| SIMA ENTERPRISE LIMITED | LONDON | A rating |
| Simarco International Limited | Witham | A rating |
| Simarjitltd Ltd | Edinburgh | A rating |
| Simba Courier Logistics Ltd | Livingston | A rating |
| Simba Group Limited | Manchester | A rating |
| Simba Sash Ltd | Coventry | A rating |
| Simba Sleep Limited | Bristol | A rating |
| SIMBAZ GROUP UK LTD | London | A rating |
| Simcast Dental Laboratories Ltd | Christchurch | A rating |
| SIMCLICK FLOORS TRADE CENTRE LIMITED | Wolverhampton | A rating |
| SimCorp Limited | London | A rating |
| Simcott Renewables LTD | Witham | A rating |
| SIME & CO ACCOUNTANTS LTD | Banbury | A rating |
| SiMed Global Limited | Wirral | A rating |
| SIMEIO SOLUTIONS LIMITED | London | A rating |
| Simeon Care for the Elderly | Aberdeen | A rating |
| SIMEON CARE LIMITED | BIRMINGHAM | A rating |
| Simeon Services UK Ltd | Birmingham | A rating |
| SIMERA LIMITED | Croydon | A rating |
| Simera Sense UK Ltd. | Glasgow | A rating |
| Simerics Limited | Southampton | A rating |
| Simetri Architecture & Construction Ltd | London | A rating |
| Simfoni Analytics Ltd | London | A rating |
| SIMI COLLECTIONS LTD T/A WELFORD SUPERSTORE | LEICESTER | A rating |
| SIMIA WALL LLP | Stanmore | A rating |
| SIMICARE LIMITED | Hastings | A rating |
| SimilarWeb UK Limited | London | A rating |
| Simkiss Control Systems Ltd | Manchester | A rating |
| SIMLA BLANDFORD LIMITED | DORSET | A rating |
| Simla Paradise Ltd t/a Curry Chef | Reading | A rating |
| SIMLA PEPPERS LIMITED | Nuneaton | A rating |
| Simman Solicitors | Croydon | A rating |
| Simmi UK Ltd | Loughton | A rating |
| Simmonds Trading Limited | london | A rating |
| Simmons (Bakers) Limited | Hatfield | A rating |
| Simmons (Mouldings) Limited | Coventry | A rating |
| Simmons & Simmons LLP | London | A rating |
| Simmons Gainsford Management Services Limited | London | A rating |
| Simms building and civil engineering Ltd | Bexley | A rating |
| SIMNET OUTREACH MINISTRIES | CROYDON | A rating |
| Simon & Co Accountancy Ltd | Orpington | A rating |
| Simon & Co London Ltd | Impington | A rating |
| Simon Astridge Architecture Workshop Limited | London | A rating |
| Simon Bastone Associates Ltd. | Exeter | A rating |
| Simon Beckett t/a SB Cars | Abingdon | A rating |
| Simon Bethel Solicitors | Lewisham | A rating |
| SIMON BUILDERS LTD | Croydon | A rating |
| Simon Carves Engineering Ltd | Manchester | A rating |
| Simon Constable Veterinary Practice Ltd | Manchester | A rating |
| Simon Friend Entertainment Limited | London | A rating |
| Simon Gillespie Ltd | London | A rating |
| Simon Hill Ltd | Llantwit Major | A rating |
| Simon International Administrative Services Limited | London | UK Expansion Worker: Provisional |
| Simon Jones Associates Ltd | Tadworth | A rating |
| Simon Mack Architecture Limited | Henley on Thames | A rating |
| Simon Orrell Designs | LONDON | A rating |
| SIMON PLUS SIMON LTD | London | A rating |
| Simon-Kucher & Partners Strategy & Marketing Consultants | London | A rating |
| Simona Peak Pipe Systems Ltd | Chesterfield | A rating |
| Simons Design Limited | Lincoln | A rating |
| Simons Muirhead Burton LLP | London | A rating |
| Simpact Engineering Ltd | Warwick | A rating |
| Simpasture Fisheries & Shawarma House | Newton Aycliffe | A rating |
| SIMPLE & SMART INSURANCE SERVICES LTD | Birmingham | A rating |
| Simple Accountancy services Ltd | STOKE ON TRENT | A rating |
| Simple Care 4 U Limited | Stockport | A rating |
| Simple Christianity | Dartford | A rating |
| SIMPLE FLOOR LTD | Slough | A rating |
| Simple Hair Limited | Londdon | A rating |
| Simple heat | london | A rating |
| SIMPLE INSURANCE SOLUTIONS LTD | Manchester | A rating |
| Simple Logistics Limited | Hornchurch | A rating |
| Simple Machines EMEA Limited | London | A rating |
| Simple Reason | London | A rating |
| Simple Sanitaryware and Plumbing Trading as Simple Sanitaryware LTD | Hounslow | A rating |
| Simple Self Drive t/as Fleeto | Dagenham | A rating |
| SIMPLE SETTINGS LTD | ILFORD | A rating |
| Simple Solution Services Limited | EDINBURGH | A rating |
| SIMPLE STAY LTD | LONDON | A rating |
| Simple Works Ltd | London | A rating |
| Simple.Life Apps UK Ltd | Walthamstow | A rating |
| Simpled Tech Limited T/A Simpled | London | A rating |
| Simplee Ceramics Ltd | Brentwood | A rating |
| simplehuman UK Ltd | London | A rating |