| AMK GLOBAL GROUP LTD | MAIDENHEAD | A rating |
| AMK GLOBAL LTD. | Maidenhead | A rating |
| Amkare Limited | Fareham | A rating |
| AML Accountants Ltd | Leeds | A rating |
| AML Analytics Ltd | Salisbury | A rating |
| AML Reporting Limited | Cheadle | A rating |
| AML RightSource Limited | Altrincham | A rating |
| AMM Spice Ltd T/A Chutney Tandoori | Essex | A rating |
| AMMA Childcare Services | Birmingham | A rating |
| AMMA CURRY LTD T/As Swadisht Indo-Chinese | Edgware | A rating |
| AMMA FOOD AND WINE LTD T/A PREMIER Johny Food Stores | London | A rating |
| AMMA SERVICE STATION | South Glocestorshire | A rating |
| Amma Services Limited | Slough | A rating |
| Amman Care Services Ltd | Ammanford | A rating |
| Amman CCTV Security System LTD | Coventry | A rating |
| Amman Traders Ltd | Selby | A rating |
| Ammanford Cricket Club | Ammanford | A rating |
| AMMAR & BROTHERS LTD | Slough | A rating |
| Ammar & Co (UK) LTD | Manchester, Greater Manchester | A rating |
| AMMAR CORPORATION LIMITED | Manchester | A rating |
| Ammar Food Store Ltd | Peterborough | A rating |
| AMMARA GROUP LTD T/A Esso Maryhill Service Station | Glasgow | A rating |
| Ammas (UK) Ltd T/A Papa Johns | London | A rating |
| AMMERAAL BELTECH LIMITED | Hertford | A rating |
| AMMI SYSTEMS LIMITED | Belfast | A rating |
| Ammlee Group International Limited | Ballyclare | A rating |
| Ammo & Company Ltd | Birmingham | A rating |
| Ammo & I Limited | Fife | A rating |
| AMMO SERVICES LTD | Birmingham | A rating |
| Ammonite Studios Limited | London | A rating |
| Ammoura ltd | London | A rating |
| AMMOZ LTD | UXBRIDGE | A rating |
| AMMRO CONSULTING LIMITED | Newport | A rating |
| Ammys Store Limited | Brentwood | A rating |
| AMN (LACEBY) LIMITED | Laceby | A rating |
| AMN Business Solutions Limited T/a TaxAssist Accountants | Hounslow | A rating |
| Amna Care Domicillary LTD | South Shields | A rating |
| AMNA PROPERTIES LTD | BLACKBURN | A rating |
| AMNAH LIMITED | Swindon | A rating |
| Amnas Hair & Beauty Salon Ltd | Bellshill | A rating |
| Amnesty International, International Secretariat | London | A rating |
| Amnet Smartshoring Services Limited | London | A rating |
| Amnomics Services Limited | Uxbridge | A rating |
| AMO Consultancy Services Ltd | London | A rating |
| AMO RACING LIMITED | LONDON | A rating |
| AMOB Enterprises Ltd | London | A rating |
| Amodo Design Ltd | Sheffield | A rating |
| Amondo Ltd | London | A rating |
| AMONTOLA RICHMOND LTD | Richmond | A rating |
| AMORA BLINDS LIMITED | Bradford | A rating |
| Amora Care Limited | Tunbridge Wells | A rating |
| Amore (Glasgow) Limited | Glasgow | A rating |
| Amore Complex Care Limited | Runcorn | A rating |
| AMORE MEDIA SYSTEMS LTD | Stourport-On-Severn | A rating |
| Amorepacific UK Limited | London | A rating |
| Amoret Coffee Ltd | London | A rating |
| Amoria Bond Limited | Manchester | A rating |
| Amoria Limited | Leeds | A rating |
| Amorigin Limited | London | A rating |
| Amorim Top Series Scotland Limited | Dundee | A rating |
| Amorist Bistro Bar Ltd | Dunfermline | A rating |
| AMOROGROUP LTD | LONDON | A rating |
| Amory London Ltd | London | A rating |
| Amos Pictures | London | A rating |
| Amos Sport Ltd | Ascot | A rating |
| Amos Trust | London | A rating |
| AMOSCA Ltd | London | A rating |
| AMOT UK Holdings Limited | Bury St Edmunds | A rating |
| AMOUR SCENTS LTD | Romford | A rating |
| Amova Asset Management UK Limited | London | A rating |
| AMP Energy Services Limited | London | A rating |
| AMP RETAIL LTD T/A PREMIER | Colchester | A rating |
| AMP ROSE | GAINSBOROUGH | A rating |
| AMP Strategies Limited | Haywards Heath | A rating |
| Amp X Limited | Edinburgh | A rating |
| AMPA Holdings LLP | Birmingham | A rating |
| Ampac Europe Ltd | Alton | A rating |
| AMPCHAI LIMITED | London | A rating |
| AMPELI | London | A rating |
| Ampere Analysis | London | A rating |
| Ampergia Limited | Milton Keynes | A rating |
| Amperity UK Limited | London | A rating |
| Ampersand Commerce Ltd | Manchester | A rating |
| Ampersand Health | London | A rating |
| Ampersand Management UK Ltd | London | A rating |
| AMPERSAND-US LTD | Manchester | A rating |
| AMPHARM LIMITED | Croydon | A rating |
| Amphenol Limited | Whitstable | A rating |
| Amphenol Thermometrics (UK) Limited | Taunton | A rating |
| Amphibio Ltd | London | A rating |
| Amphista Therapeutics Limited | Cambridge | A rating |
| Amphitrite Underwriting Ltd | London | A rating |
| Amphora Technologies Limited | Belfast | A rating |
| Amphora UK Limited | London | A rating |
| Ampi Limited | Gravesend | A rating |
| AMPIGAPATHY KANAGARATHAM T/A GOLDCROFT LOCAL SHOP | Newport | A rating |
| Ample Ebusiness Ltd | Hayes | A rating |
| Ample Foods Ltd | Birmingham | A rating |
| Ample Harvest 555 Group Ltd t/as The Real Pizza Company(Sutton Coldfield) | Birmingham | A rating |
| Ample Mortgages Limited | Newport | A rating |
| Ampleforth Abbey and College | York | A rating |
| Amplicon Liveline Ltd | Brighton | A rating |
| Amplience (UK) Limited | London | A rating |
| AMPLIFI CAPITAL (U.K.) LIMITED | London | A rating |
| Amplifi Group Limited | Royal Leamington Spa | A rating |
| Amplified Global | Hove | A rating |
| Amplifon Limited | Manchester | A rating |
| Amplify Trading Limited | London | A rating |
| AmplifyChange | Bath | A rating |
| AMPLIFYR.AI LIMITED | London | A rating |
| Amplitude Analytics Limited | London | A rating |
| Amplyfi Ltd | Cardiff | A rating |
| AMPOFO CONSTRUCTION GROUP LIMITED | ENFIELD | A rating |
| Ampthill and District Community Rugby Club Ltd | Ampthill | A rating |
| Ampthill Cabs | Ampthill | A rating |
| Ampthill Road Food & Wine | Bedford | A rating |
| AMPTHILL ROAD GARAGE LTD | Bedford | A rating |
| AMPTRON ELECTRICAL SERVICES LIMITED | Nottingham | A rating |
| Ampyr Idea UK Ltd | London | A rating |
| Ampyr Solar Europe GP LLP | London | A rating |
| AMQ Healthcare | Rugeley | A rating |
| AMR Consult Ltd | London | A rating |
| AMR FOODIES LTD/TRADING AS WARDA RESTAURANT | LONDON | A rating |
| AMR GP Limited | Silverstone | A rating |
| AMR Group Ltd T/A Sofra Turkish Cuisine | Blackburn | A rating |
| AMR Technologies Ltd | Solihull | A rating |
| AMR Trade Ltd | Dundee | A rating |
| Amran And Brothers Ltd | Harlow | A rating |
| Amref Health Africa | London | A rating |
| Amrial Care Limited | Bournemouth | A rating |
| Amrit Kitchen & Bedrooms Ltd | Slough | A rating |
| Amrit Supermarket UK Limited | London | A rating |
| AMRITSAR SWEETS & CATERING LTD | Wolverhampton | A rating |
| Amro Real Estate Partners Limited | London | A rating |
| Amrutha Catering Ltd | London | A rating |
| AMS | Cupar | A rating |
| AMS AUTOMATION MANAGEMENT SERVICES LTD | CHICHESTER | A rating |
| AMS Barclay Ltd | Edinburgh | A rating |
| AMS Bristol Ltd | BRISTOL | A rating |
| AMS Care Limited | Harrow | A rating |
| AMS Care Services Ltd | Coalville | A rating |
| AMS CONTRACTORS LTD | Romford | A rating |
| AMS Convenience Store Ltd | Edinburgh | A rating |
| AMS CORPORATION LIMITED | Tranent | A rating |
| AMS Integrated Solutions Limited | Exeter | A rating |
| AMS LONDON LIMITED | Ilford, Essex | A rating |
| AMS Neve Limited | Burnley | A rating |
| AMS Nuclear Engineering Ltd | Bridgwater | A rating |
| AMS TRENDS & CO LIMITED | London | A rating |
| AMS WHOLESALE MCR LIMITED | Manchester | A rating |
| AmSafe Bridport | Bridport | A rating |
| Amsek Support Services Ltd | Borehamwood | A rating |
| Amsi Consultancy Services | Derby | A rating |
| AMSN Ltd t/a Mowchies Mile End | London | A rating |
| Amsons Your Islamic lifestyle | Birmingham | A rating |
| AmSpec Services Ltd | Pembroke Dock | A rating |
| AMSS Limited | Birmingham | A rating |
| Amstecos Ltd | Belfast | A rating |
| Amster Ltd | London | A rating |
| AMSTERDAM & PARTNERS LLP | LONDON | A rating |
| Amstor Accountants Ltd | Birmingham | A rating |
| Amsun Group LTD | Washington | A rating |
| AMSUN IT LIMITED | COVENTRY | A rating |
| AMT Lawyers Limited | Blackburn | A rating |
| AMT-SYBEX Limited | OXFORD | A rating |
| Amtal Limited | Slough | A rating |
| AMTC CARE LTD | LONDON | A rating |
| AMTD London Development Co Limited | London | A rating |
| Amtest UK Ltd | Maldon | A rating |
| Amtex Solutions Limited | London | A rating |
| AMTRAK LOGISTICS LTD | Nuneaton | A rating |
| AmTrust Management Services Ltd. | London | A rating |
| Amu Pubs Ltd TA The Fountain | London | A rating |
| Amundi (UK) Limited | London | A rating |
| AMUST4MUSIC Ltd | Spondon | A rating |
| AMV BBDO Ltd | London | A rating |
| AMV NEWS LTD T/A SOMERFORD OFF LICENCE & CONVENIENCE STORE | CHRISTCHURCH | A rating |
| Amway (Europe) Limited | Birmingham | A rating |
| AMWINS GLOBAL RISKS GROUP LIMITED | London | A rating |
| Amy Adams Homecare UK Limited | Croydon | A rating |
| Amy and Friends | PRENTON | A rating |
| AMY CONSULTANCY SERV LTD | Birmingham | A rating |
| Amy Pharma Ltd | London | A rating |
| Amy's Elegant Nails | Birmingham | A rating |
| AMYGDA LABS LTD | Derby | A rating |
| Amyn Hotels | Wimbledon | A rating |
| AMZ CAMBRIDGE LIMITED | Waterlooville | A rating |
| AMZ Care Ltd | Slough | A rating |
| AMZ SUPERSTORE LIMITED | Glasgow | A rating |
| Amzia Ltd | Luton | A rating |
| AMZOO DRIVING SCHOOL LTD | London | A rating |
| AN ARLESEY VILLAGE LTD | Norfolk | A rating |
| AN Building Ltd | Wiltshire | A rating |
| AN Contractors Ltd | London | A rating |
| An Easy Visa Limited | London | A rating |
| An Experiment in Art Ltd | Altrincham | A rating |
| An Global Enterprises Ltd | Glossop | A rating |
| AN INTELLIGENT NETWORK LTD | London | A rating |
| AN MEDICS UK LTD | England | A rating |
| AN NEWS & CAFE LTD | Feltham | A rating |