| SKILLSHARE SERVICES LTD | WOLVERHAMPTON | A rating |
| Skillstream Ltd | London | A rating |
| SKILLTIK LTD | London | A rating |
| Skillup Notts Ltd | Nottingham | A rating |
| SKILLVIA ACADEMY LIMITED | Portsmouth | A rating |
| Skillweb.co.uk Ltd | High Wycombe | A rating |
| Skillwork Software and Consulting Ltd | Thame | A rating |
| Skiltek Ltd | Bexhill On Sea | A rating |
| SKIM London Ltd. | London | A rating |
| Skimbit Ltd | London | A rating |
| SKIMZ MANAGEMENT LIMITED | Birmingham | A rating |
| Skin Analytics | London | A rating |
| Skin Care Network (Barnet) Ltd | Barnet | A rating |
| Skin Design London Ltd | London | A rating |
| Skin Medical Limited | Manchester | A rating |
| Skin Medics Herts Limited | London Colney | A rating |
| Skin Research Ltd | Surrey | A rating |
| Skin Reviv Ltd | Birmingham | A rating |
| SKIN WORLD UK LTD | Birmingham | A rating |
| Skin2Seoul Ltd | Nottingham | A rating |
| Skincare Cosmetics Ltd | Glasgow | A rating |
| Skindles 2017 Ltd | Maidenhead | A rating |
| SkindocUK Ltd | London | A rating |
| Skinilean Ltd T/A The Protein Ball Co | Worthing | A rating |
| SKINNERGATE SPICE LIMITED T/A BOMBAY GATE | Durham | A rating |
| Skinners' Academies Trust | London | A rating |
| Skinnydip Limited | London | A rating |
| Skinova Aesthetics Ltd | Ilford | A rating |
| Skippr Limited | London | A rating |
| Skips-R-Us Ltd | Newry | A rating |
| Skipton Building Society | Skipton | A rating |
| Skipton Opticians Ltd | Skipton | A rating |
| SKIRTING 4 LESS LTD | BRIELEY HILL | A rating |
| Skirwith Hall Farms Limited | Penrith | A rating |
| SKK Convenience Store | Grays | A rating |
| SKK UK TRAIDING LTD | Feltham,Middlesex | A rating |
| SKL ROBOTICS LTD | London | A rating |
| SKL Transport Ltd | Slough | A rating |
| SKM Direct Ltd | Halifax | A rating |
| SKM Medical TA Rozelle Nursing Home | Abergavenny | A rating |
| SKM Tech PVT Ltd. | Sandhurst, | A rating |
| SKM1 LTD T/A SUBWAY | Glasgow | A rating |
| SKN & Son 1 Ltd | Dudley | A rating |
| SKN CONSULTANCY LTD | Birmingham | A rating |
| SKN Convenience Limited | Dartford | A rating |
| SKN TRADERS LTD | WINSFORD | A rating |
| SKND Subs Ltd | Stortford | A rating |
| SKNM Pharma Ltd | Warwick | A rating |
| SKO SYSTEMS LTD | London | A rating |
| SKOEN FOOD AND LOGISTICS LTD T/A SKOEN | Hitchin | A rating |
| Skolar Education UK Limited | Newcastle Upon Tyne | A rating |
| SKOLAZ EDUCATIONAL SERVICES LTD | Birmingham | A rating |
| SKOMPA LIMITED | Londonderry | A rating |
| SKON LTD | London | A rating |
| Skoshi Retail Limited | Stoke on Trent | A rating |
| Skotkonung Ltd. | Wokingham | A rating |
| SKP AND DAUGHTERS LTD | LONDON | A rating |
| SKR Food Courts Ltd | Airedale | A rating |
| SKR HEALTH CARE LIMITED | Birmingham | A rating |
| SKR Law | LEICESTER | A rating |
| SKR Legal Solicitors | LEICESTER | A rating |
| SKRE LTD T/A ASHBURTON FOOD AND WINE | SURREY | A rating |
| Skrill Limited | London | A rating |
| SKS Business Services Limited | Richmond | A rating |
| SKS Construction (London) Ltd. | Hillingdon | A rating |
| SKS LAW LIMITED | Leicester | A rating |
| SKS PROPERTY MANAGEMENT LIMITED | Leicester | A rating |
| SKS SUSHI & MOMO LTD T/A OZE SUSHI | London | A rating |
| SKS Ventures Limited | Stockport | A rating |
| SKT BUILDERS LTD | Thornton Heath | A rating |
| SKT Development Ltd | Luton | A rating |
| SKT Welfare | Dewsbury | A rating |
| SKT YEK Ltd | London | A rating |
| SKTECH LTD | London | A rating |
| SKTECHNICALSOLUTIONS LTD | Greenford | A rating |
| SKV CONSULTANTS LTD | Cambridge | A rating |
| SKWD Asia Limited | London | A rating |
| Skwiot Auto Services Ltd. | Kendal | A rating |
| Sky Blue Medical Group | Coventry | A rating |
| Sky British Enterprises Ltd | London | A rating |
| SKY CARE NORTH WALES LTD T/A Bron Haul Care Home | Rhyl | A rating |
| Sky Cluster Limited | Ruislip | A rating |
| SKY DIRECT TRAVEL LIMITED | BOLTON | A rating |
| Sky Dragon International Limited | Guildford | A rating |
| SKY EAST UK LTD | Inverness | A rating |
| Sky Fly Cars Ltd | Redhill | A rating |
| SKY FOOD SERVICES LTD | Southall | A rating |
| SKY HAIRDRESSERS LIMITED | Slough | A rating |
| SKY HIGH TRADERS LIMITED | London | A rating |
| SKY HOUSE CONSTRUCTION LIMITED | Bromley | A rating |
| SKY LINE WORLD LTD | CARDIFF | A rating |
| Sky Local Ltd | London | A rating |
| SKY MANAGEMENT LIMITED | LONDON | A rating |
| Sky Mobile Group Ltd | Coventry | A rating |
| Sky Motors London Limited | Romford | A rating |
| Sky Nights Ltd | West Drayton | A rating |
| SKY Positive Minds | Batley | A rating |
| SKY REMOVALS SERVICES LTD | Ilford | A rating |
| Sky Retail Limited | Matlock | A rating |
| SKY SAT COMMUNICATION UK LIMITED | LONDON | A rating |
| Sky Services Ltd | Bridgend | A rating |
| Sky Sharp Security Services Limited | BARKING | A rating |
| SKY SHIPPING LINE LTD | Iford | A rating |
| SKY SMART LIMITED T/A SKY SMART | Newcastle upon Tyne | A rating |
| SKY SOLICITORS LTD | Ilford | A rating |
| Sky Star Eight Limited | London | A rating |
| Sky Supermarket | Bristol | A rating |
| SKY TECH STUDIO LIMITED | Cheltenham | A rating |
| Sky Technologies Ltd | London | A rating |
| Sky Technology Solutions Limited | London | A rating |
| SKY TOUCH WINDOWS & DOORS LTD | Southall | A rating |
| SKY TYRES LTD | Swindon | A rating |
| Sky Tyres Wholesales LTD | High Wycombe | A rating |
| Sky UK Limited | Middlesex | A rating |
| Sky UK New Co Limited | London | A rating |
| Sky Vigil Care Ltd. | Gloucester | A rating |
| Sky Ways Cars Limited | London | A rating |
| Sky Windows Ltd | Hayes | A rating |
| Sky Worldwide Courier Limited | Feltham | A rating |
| Sky-Drones Technologies Ltd | London | A rating |
| Sky-High Tuition Ltd | Manchester | A rating |
| Sky-Link Management Ltd | London | A rating |
| SKY&MOON LTD | Romford | A rating |
| SKY51 STUDIO LTD | Stretford | A rating |
| Skybound Capital UK Ltd | London | A rating |
| Skybound Therapies Ltd | Haverfordwest | A rating |
| Skybourne Travels Ltd | London | A rating |
| Skycrescent Stores Limited | Paisley | A rating |
| Skydeck Learning Limited | Ilford | A rating |
| Skyduo Ltd | Reading | A rating |
| SKYDUST MANAGEMENT LTD | London | A rating |
| Skye Blue Productions Ltd | London | A rating |
| SKYE FACILITIES LTD | Huddersfield | A rating |
| Skye Forecourt Limited | Portree | A rating |
| Skye High Media Ltd | Cambridge | A rating |
| Skye Linen (SCOTLAND) Ltd | Portree | A rating |
| SKYE Sands Limited | London | A rating |
| SKYE SHELLFISH CO LTD | Portree | A rating |
| SKYEDIA LTD | London | A rating |
| Skyeee Law Limited | Birmingham | A rating |
| Skyefish Marine Ltd | Portree | A rating |
| Skyfarer Ltd | Rugby | A rating |
| Skyfly Technologies Ltd | London | A rating |
| Skyford Logistics Ltd | Sittingbourne | A rating |
| SKYFORM LTD | GRAVESEND | A rating |
| Skyguard Ltd T/A Peoplesafe | Epsom | A rating |
| SKYHAVEN HEALTHCARE SERVICES LTD | BOLTON | A rating |
| Skyjed Limited | Warwick | A rating |
| SKYKRUZE LIMITED | Lytham St. Annes | A rating |
| Skylake Management LLP | London | A rating |
| Skylake Medical Limited | Shrewsbury | A rating |
| Skylare Consultants Limited | Birmingham | A rating |
| Skylark Bed & Breakfast | Hounslow west | A rating |
| Skylark care Solutions LTD | Newport | A rating |
| Skylark Hospitality (Covent Garden) Ltd T/A Fatt Pundit | London | A rating |
| SKYLARK HOSPITALITY LTD | HARROW | A rating |
| Skylark Legal Ltd | Langley | A rating |
| SKYLARK LUGGAGE LTD | NORTHFLEET | A rating |
| Skylark Recruitment Ltd | Birmingham | A rating |
| Skylarks Charity | Richmond | A rating |
| Skylarks Security Services Limited | Leeds | A rating |
| SKYLEX LABEL COMPANY LIMITED | ROYAL TUNBRIDGE WELLS | A rating |
| Skylicious Limited | Newcastle Upon Tyne | A rating |
| SKYLIGHT CONSTRUCTION LTD | Romford | A rating |
| Skylight IPV | London | A rating |
| Skylights Restaurant Limited | Pinner | A rating |
| Skyline Arcomet Ltd | Essex | A rating |
| Skyline Building Merchants Ltd | Denham | A rating |
| Skyline CG Ltd | Nottingham | A rating |
| SKYLINE CONTRACTORS GROUP LTD | Cardiff | A rating |
| SKYLINE EXPRESS LIMITED | Ipswich | A rating |
| Skyline Health and Travel Ltd | Harrow | A rating |
| Skyline Home Care Services Limited | Epsom | A rating |
| SKYLINE KTM CARDIFF LTD | Cardiff | A rating |
| SKYLINE PARTNERS LIMITED | London | A rating |
| Skyline Properties & Development Ltd t/a Morrisons Daily | York | A rating |
| Skyline Swansea Limited | Swansea | A rating |
| Skyline Taxis Teeside Limited | Stockton-on-Tees | A rating |
| SKYLINE UKBD LTD | Rainham | A rating |
| SKYLINK EXECUTIVE CARS LIMITED | Hounslow | A rating |
| Skylink Technololgies limited | chatham | A rating |
| SKYLITE LOGISTICSLIMITED | Middlesbrough | A rating |
| Skylon Construction | Hatfield | A rating |
| Skyluxe Aviation Group Ltd | London | A rating |
| Skynet IT Consultancy Limited | Slough | A rating |
| Skynet London Limited | Hounslow | A rating |
| Skyports Deliveries Limited | London | A rating |
| Skyports Infrastructure Limited (UK) | London | A rating |
| Skyports Limited | Billericay | A rating |
| SKYPURPLE CLOUD LIMITED | PORTSMOUTH | A rating |
| Skyral Group Limited | London | A rating |
| Skyray Engineering Ltd | Bristol | A rating |
| Skyrise Lifts LTD | Newport Pagnell | A rating |
| Skyrora Limited | Cumbernauld | A rating |
| SKYRU MANAGEMENT LIMITED | Morley | A rating |
| Skyscanner Limited | Edinburgh | A rating |
| SkySchool Flight Centre Ltd | Banbury | A rating |
| Skyships Automotive Ltd | Great Saling | A rating |
| SkyShowtime Limited | Isleworth | A rating |
| Skystar Media Group Limited | Wolverley | A rating |