| Ashurst Lodge Healthcare Limited | Wallington | A rating |
| Ashurst Park Care Home | Tunbridge Wells | A rating |
| Ashurst Perkins Coie (International) LLP | London | A rating |
| ASHVALE PLANT HIRE LIMITED | WESTONING | A rating |
| Ashville College | Harrogate | A rating |
| Ashville Residential Home Ltd | New Tredegar | A rating |
| Ashvin Trading Ltd | Holyhead | A rating |
| Ashwell Dental Surgery Ltd | Ashwell | A rating |
| Ashwell Home Care Services Limited | Malvern | A rating |
| ASHWIN CONVENIENCE STORE LIMITED | Rhyl | A rating |
| Ashwin Food Services Ltd | Lowestoft, England | A rating |
| ASHWOOD CHILDRENS CARE HOME LTD | Burton on Trent | A rating |
| Ashwood House Limited | Leyton | A rating |
| Ashwood Veterinary Ltd | Belfast | A rating |
| Ashworth and Parker Limited (Trading as END.) | Tyne and Wear | A rating |
| Ashworth House Ltd | Cannock | A rating |
| Ashworth Street Surgery | Rochdale | A rating |
| ASI TRADERS LIMITED | High Wycombe | A rating |
| Asia & Imran Limited | Chelmsford, Essex | A rating |
| Asia Benfleet Ltd T/A Asia Bangladesh and Indian Restaurant | Benfleet | A rating |
| ASIA CONTINENTAL (OLDHAM) LIMITED T/A WATAN SUPERSTORE | LANCASHIRE | A rating |
| Asia Dining Group ltd. | sheffield | A rating |
| Asia Food Store Limited | Croydon | A rating |
| Asia Halal Group Ltd | London | A rating |
| ASIA HALAL MEAT SUPPLIER LTD | Birmingham | A rating |
| Asia House | London | A rating |
| Asia Investments UK Private Limited | London | A rating |
| Asia Logistics Services (UK) Ltd | Hayes | A rating |
| ASIA MONEY TRANSFER LTD | London | A rating |
| Asia Oriental Super Market LTD | Northampton | A rating |
| Asia Pacific World Holdings Limited | Southampton | A rating |
| ASIA PALACE MOBILE PHONES UK LTD | Southend on Sea | A rating |
| ASIA PALACE RENTAL LIMITED | Essex | A rating |
| Asia TV Limited | London | A rating |
| AsiaLink | Northwich | A rating |
| Asian African Foods Ltd | London | A rating |
| Asian Arts Agency | Bristol | A rating |
| Asian Association of Chesterfield and North Derbyshire | Chesterfield | A rating |
| ASIAN BUSINESS PUBLICATIONS LTD | North Harrow | A rating |
| Asian Cash & Carry Limited | Southampton | A rating |
| ASIAN CATERING BIRMINGHAM LTD | Birmingham | A rating |
| ASIAN CURRIES LIMITED | ENNISKILLEN | A rating |
| Asian Designer Limited | London | A rating |
| ASIAN EYE EVENTS LTD | Birmingham | A rating |
| ASIAN FLAVOURS NEWCASTLE LTD t/a Oodles Newcastle | Dumfries | A rating |
| ASIAN FOOD LIMITED | London | A rating |
| ASIAN FOOD STORE | HERTS | A rating |
| ASIAN FOOD WT LIMITED | London | A rating |
| Asian Girls Club Ltd | London | A rating |
| Asian Grill Limited | BIRMINGHAM | A rating |
| Asian Grocery and Halal Meat LTD T/A Naga Hut | London | A rating |
| Asian Grocery Maidstone Ltd | Maidstone | A rating |
| Asian Grocery Point Ltd | London | A rating |
| Asian Harvest Butchers Ltd | London | A rating |
| ASIAN KITCHEN HULL LIMITED | HULL | A rating |
| ASIAN MIX STORE | BELFAST | A rating |
| Asian Oriental Supermarket Ltd | Basingstoke | A rating |
| Asian People's Disability Alliance Ltd | Harlesden | A rating |
| ASIAN RESOURCE CENTRE OF CROYDON LIMITED | Croydon | A rating |
| Asian Snacks Ltd | Dagenham | A rating |
| Asian Social and Humanitarian Association | London | A rating |
| Asian Sourcing Link (UK) Limited | Oxford | A rating |
| ASIAN SPICE LIMITED T/A ASIAN SPICE | Reading | A rating |
| Asian Star Community Radio Ltd | Slough | A rating |
| ASIAN STATION BELFAST LTD | Belfast | A rating |
| ASIAN TRADE FAIR LIMITED | Barking | A rating |
| ASIAN TRADERS LTD | Hayes | A rating |
| Asiana Airlines Inc. | London | A rating |
| Asiana Foods Limited | Nottingham | A rating |
| ASIANA FUSION (SUNDERLAND) LTD | Sunderland | A rating |
| ASIANSBURY LIMITED T/A WEMBLEY PHARMACY | WEMBLEY | A rating |
| ASIAORIENTAL STORE LIMITED | Farnborough | A rating |
| Asiatic 2 Limited | London | A rating |
| ASIATIC CARPETS LIMITED | London | A rating |
| ASIATIQUE RESTAURANT COMPANY LIMITED | London | A rating |
| ASICS UK Limited | Warrington | A rating |
| ASID TECH PVT LTD. | Birmingham | A rating |
| Asif Adeel Limited | Glasgow | A rating |
| Asif Allauddin | Glasgow | A rating |
| Asif Hameed T/A Local General Stores | Swinton | A rating |
| Asif Khan Ltd | London | A rating |
| ASIF RICE MILLS LTD | Manchester | A rating |
| Asifa Spice Limited | Ashington | A rating |
| ASIL PARTNERS LLP | London | A rating |
| Asilia Africa UK Limited | London | A rating |
| Asim & Raza Holdings Ltd | Chatham | A rating |
| Asim Naveed T/A Mini Market | Stoke-On-Trent | A rating |
| ASIM Younas | Maidenhead | A rating |
| ASIMI HOLDINGS LIMITED | Wellington | A rating |
| ASIP LIMITED T/A IZZI | Canvey Island | A rating |
| Asisters Ltd | Winchester | A rating |
| Asite Solutions Ltd | London | A rating |
| ASJ BUSINESS SERVICES LIMITED | Solihull | A rating |
| ASJ Design Services Limited | Salisbury | A rating |
| ASK (RANY) Limited | Kent | A rating |
| ASK ACCOUNTANTS UK LIMITED | London | A rating |
| Ask Care Limited | Ilford | A rating |
| Ask Chemist | Boston | A rating |
| Ask Energy Solutions Ltd | Birmingham | A rating |
| ASk Enterprises (Derby) Limited | Derby | A rating |
| Ask Enterprises PVT Limited | London | A rating |
| ASK FINITE LIMITED | SHIRLEY | A rating |
| ASK FOR CAR LTD | Nuneaton | A rating |
| ASK GLOBAL ACCOUNTANCY SERVICES LTD | CARSHALTON | A rating |
| Ask Gloria AI LTD | Leeds | A rating |
| Ask Interiors Limited | London | A rating |
| ASK NEWS LIMITED | Manchester | A rating |
| ASK Partners Limited | London | A rating |
| Ask Plastics Birmingham Ltd | Birmingham | A rating |
| ASK Properties Bristol Ltd | Bristol | A rating |
| ASK PROPERTIES GLASGOW LTD | Scotland | A rating |
| Ask Silver Ltd | London | A rating |
| ASK Solutions London Limited | Brentford | A rating |
| ASK4 | Sheffield | A rating |
| Ask4Support Limited | Wallingford | A rating |
| ASKA Pharmaceutical Co., Ltd | London | A rating |
| Askable Ltd | London | A rating |
| ASKAM CIVIL ENGINEERING LTD | Lancaster | A rating |
| AskBio UK Ltd | Midlothian | A rating |
| ASKERN STORES LTD | Askern, Doncaster | A rating |
| Askerton Castle Organic Estate | Brampton | A rating |
| Askham Village Community Limited | Nr March | A rating |
| ASKIB INTERNATIONAL LIMITED | Swindon | A rating |
| ASKIT GEEKS LTD | Leeds | A rating |
| ASKK Technologies Ltd | London | A rating |
| ASKN LTD | Birmingham | A rating |
| Askonas Holt Limited | London | A rating |
| AskRevill.com Ltd | Ringwood | A rating |
| ASKSENTI LTD T/A Sentisum | London | A rating |
| ASKUK LTD | LONDON | A rating |
| ASL Restaurant Ltd T/A Ganesha Restaurant | Watford | A rating |
| ASL SERVICES AND MANAGEMENT LTD | Hounslow | A rating |
| ASL SOUTHAMPTON LTD | SOUTHAMPTON | A rating |
| ASLAM GHUMMAN AND SONS | Armagh | A rating |
| ASLAM MOHAMED MOTI T/A JUNGLE PAPRIKA | LEICESTER | A rating |
| ASLAMS FLOORING LTD | BLACKBURN | A rating |
| Aslan Jewellery Limited | Chester | A rating |
| ASLI ZAIQA LTD | Leicester, England | A rating |
| ASM Auto | Walsall | A rating |
| ASM EXPRESS LTD | London | A rating |
| ASM Limited T/A West Nine Food & Wine | London | A rating |
| ASM Rail & Civils Ltd. | Uxbridge | A rating |
| ASM Recruitment Ltd | London | A rating |
| ASM SUBS Limited | Newport | A rating |
| ASM Talent Ltd | London | A rating |
| ASM Technologies (UK) Limited | Coventry | A rating |
| ASMA & CO LTD | Birkenhead | A rating |
| ASMA AHMAD LIMITED | London | A rating |
| Asma Kebab Limited | Bristol | A rating |
| ASMA TRADE LTD | LONDON | A rating |
| ASMAIRA FOOD LTD | Northern Ireland | A rating |
| Asmat Accountancy Services Limited | Slough | A rating |
| ASMD BAGEL LIMITED T/A Bagel & Shakes (Wembley | London | A rating |
| ASME Engineering Ltd | Harrow | A rating |
| Asme Retail Limited | Walsall | A rating |
| Asmita & Associates Ltd | London | A rating |
| Asmodee UK Holding Limited | Bordon | A rating |
| ASMPT SMT UK Limited | Weymouth | A rating |
| ASMPT UK Holding Limited | Weymouth | A rating |
| ASMZ Barbers LTD | London | A rating |
| ASN Assertive outreach and consultancy Limited | Colchester | A rating |
| ASN General Store Ltd | Cardiff | A rating |
| ASN PRODUCTION & LOGISTICS LTD | Batley | A rating |
| ASN Services Limited | Woking | A rating |
| ASNA Accountants | Manchester | A rating |
| ASNA C&C LIMITED | Bishop Auckland | A rating |
| ASO FAL UK Limited | London | A rating |
| Asolvi UK Limited | High Wycombe | A rating |
| ASONA BA (UK) LIMITED | London | A rating |
| AsOne Design Limited | Manchester | A rating |
| ASONZ LIMITED | BANBURY | A rating |
| ASOS.com | London | A rating |
| Asota Services Ltd | Orpington | A rating |
| ASP BUILDER LTD | Watford | A rating |
| ASP BUILDS LTD | Birmingham | A rating |
| ASP GLASGOW LTD T/A A&S Properties Glasgow | Glasgow | A rating |
| ASP Hospitality Ltd t/a Firangi | Glasgow | A rating |
| ASP Practice limited | brighton | A rating |
| ASP Rope Access UK Limited | Edinburgh | A rating |
| ASP Technologies Limited | Reading | A rating |
| ASPA KST Architectural Urban Environmental Design Consulting And Management Ltd | London | A rating |
| ASPA LONDON LTD | Letchworth | A rating |
| Aspar London Limited | Northolt | A rating |
| ASPAR PHARMACEUTICALS LTD | ST. ALBANS | A rating |
| Aspatria Medical Group | Aspatria | A rating |
| Aspect Capital Limited | London | A rating |
| Aspect Education Limited | London | A rating |
| Aspect Enterprise Solutions Limited | London | A rating |
| ASPECT EXHIBITIONS | NORTHAMPTON | A rating |
| ASPECT HEALTHCARE SERVICES LIMITED | Sunderland | A rating |
| Aspect Labs Ltd | London | A rating |
| Aspect Lifts Ltd | Swanley | A rating |
| Aspect Maintenance Services Limited | Chessington | A rating |
| Aspect Software UK Limited | Hayes | A rating |
| ASPECT Studios Limited | London | A rating |
| Aspect Surveyors Limited | London | A rating |
| ASPECT4 CONSTRUCTION LIMITED | Greater London | A rating |
| Aspecto Power Engineering Ltd. | Warwick | A rating |
| Aspects Care Homes Limited | Birmingham | A rating |
| Aspects Care Ltd | Birmingham | A rating |