| Ayaat Teletronics Ltd | London | A rating |
| Ayai Care Limited | London | A rating |
| AYAM SECURITY LIMITED | Sheffield | A rating |
| AYAN AUTO SERVICES LTD | London | A rating |
| AYAN AUTOS UK LTD | Barking | A rating |
| AYAN CAPITAL LTD | London | A rating |
| Ayan Food Product limited | London | A rating |
| Ayan Foods Wholesale Ltd | West Bromwich | A rating |
| Ayan Group Limited / Da Village Afghan Restaurant | Reading | A rating |
| AYAN PATEL LIMITED | BRIGHTON | A rating |
| AYAN TRAVEL & CAR HIRE LTD | Manchester | A rating |
| AYANNA TAKEAWAY LIMITED | Keighley | A rating |
| Ayantika Technologies Ltd | London | A rating |
| Ayapa Services Limited | South Ruislip | A rating |
| AYASH GLOBAL CONSULTANCY LIMITED | London | A rating |
| Ayat 5 Ltd | Barking | A rating |
| Ayat Trading Limited (Eggfree Cake Box) | Newport | A rating |
| Ayata Group Ltd | Bracknell | A rating |
| AYAZSEVEN DESIGN LTD | TIMPERLEY | A rating |
| AYB Automotives Ltd | Luton | A rating |
| Aybola Software and Technology Ltd | London | A rating |
| AYCES SERVICES PRIVATE LIMITED | MANCHESTER | A rating |
| Aychefs Consultancy Services Ltd | London | A rating |
| Ayda Deniz Ltd - T/A Nisa Local | Essex | A rating |
| Aydan Smith Accountancy Ltd | London | A rating |
| AYDAWINES LTD | London | A rating |
| Ayden Superstore | Rainham | A rating |
| Aye Eat | Inverness | A rating |
| AYES CONSULTING UK Ltd | London | A rating |
| Ayesha Holyhead Ltd T/A Nuha Tandoori | Gwynedd | A rating |
| AYEZA COLLECTION LTD | Paisley | A rating |
| AYG 786 SERVICES LTD | Bradford | A rating |
| AYKAR PROPERTY INVESTMENTS LTD | LONDON | A rating |
| AYKO Digital Limited t/a AYKO | Leeds | A rating |
| AYLA CONSTRUCTION LTD | LONDON | A rating |
| Ayla Food Suppliers Ltd | Dartford | A rating |
| Ayla Grill & Restaurant LTD | Leamington Spa, | A rating |
| Aylah Limited | Willenhall | A rating |
| Aylesbury Bed and Furniture Centre Ltd | Aylesbury | A rating |
| Aylesbury College | Aylesbury | A rating |
| Aylesbury High School | Aylesbury | A rating |
| AYLESBURY SPECSAVERS HEARCARE LTD | AYLESBURY | A rating |
| Aylesbury Used Cars Ltd | Aylesbury | A rating |
| Aylin White Ltd. | Guildford | A rating |
| AYLIZ LOGISTICS & SUPPLY CHAIN CONSULTANCY LTD | Richmond | A rating |
| Aylmer Lodge Cookley Partnership | Kidderminster | A rating |
| Aym Postal Service Limited T/A Post Office | Lancashire | A rating |
| AYM Preston Ltd T/A Chaiiwala Preston | Preston | A rating |
| Aymaan Limited T/A Parr Care Home | St.Helens | A rating |
| Aymaan Ltd T/A Parr Care Home | Liverpool | A rating |
| Ayman's Diner | Coleraine | A rating |
| AYMANSERVICES LTD | Reading | A rating |
| AYMES International Limited | Lancing | A rating |
| Ayming UK Limited | London | A rating |
| AYN TRADERS LTD | Cheshire | A rating |
| Aynam Energy Limited | Kilmarnock | A rating |
| AYNFG UK Limited | London | A rating |
| Ayo Gorkhali Ltd | Stafford | A rating |
| Ayopey Global Solutions Limited | Cannock | A rating |
| Ayotta Technologies Limited | Maidstone | A rating |
| AYP HEALTHCARE LTD | Romford | A rating |
| AYP IMPORTERS LIMITED T/A LESTA PAVING | Leicester | A rating |
| Ayr Cricket Club | Ayr | A rating |
| AYR Limited | London | A rating |
| Ayr Spinal Care ltd | Ayr | A rating |
| Ayr United Football & Athletic Club Ltd | Ayr | A rating |
| AYRA SOLUTIONS LTD | London | A rating |
| Ayre Chamberlain Gaunt Ltd. | Basingstoke | A rating |
| AYRE HOTEL (KIRKWALL) LIMITED | Kirkwall | A rating |
| Ayres Investment Management (UK) Limited | London | A rating |
| Ayrshire Care Solutions | Auchinleck | A rating |
| AYRTON BESPOKE LIMITED | London | A rating |
| AYRUS LTD T/A SYCAMORE HOUSE CARE HOME | East Yorkshire | A rating |
| AYS CARE LTD | Colchester | A rating |
| AYS SYSTEMS LIMITED | Tunbridge Wells | A rating |
| AYSA FOOD AND WINE LTD t/a Baba Food And Wine | Gillingham, England | A rating |
| Aysha business solutions LTD | Slough | A rating |
| AYSHANA LTD | MILTON KEYNES | A rating |
| AYT LONDON LIMITED | London | A rating |
| Aytac Foods Limited | London | A rating |
| Aytel Systems Ltd | Cardiff | A rating |
| Ayton & Mckeown Limited | Peterborough | A rating |
| Ayton and Snainton Medical Practice | Scarborough | A rating |
| Ayu Ayurveda Limited | Edgware | A rating |
| AYU Health Ltd | Southampton | A rating |
| Ayu Healthcare limited T/A CareFirst Pharmacy | Portchester | A rating |
| AYU Technologies Ltd | London | A rating |
| AYUB & SON HALAL FOODS LTD | Birmingham | A rating |
| Ayub Accountancy Limited | Bolton | A rating |
| Ayub Childcare Services Ltd | Purley | A rating |
| Ayub's Pink Garlic Limited T/A Pink Garlic | Essex | A rating |
| AYUR MANTRA AYURVEDIC SPA LTD | LEEDS | A rating |
| Ayur Villa Limited | Birmingham | A rating |
| Ayurmanthra Limited T/A Ayurmanthra Kerala Ayurvedic Centre | Croydon | A rating |
| AYURVEDA PURA LTD | Bromley | A rating |
| AYURVEDA PURA LTD | London | A rating |
| AYURVEDA RETREAT LTD | Reading | A rating |
| AYURVEDA WELLNESS AND PAIN CENTER LTD | West Bromwich | A rating |
| Ayurveda Wellness Limited | London | A rating |
| Ayurvedic Healing & Laser Clinic LTD | Bury | A rating |
| AYURVEDIC HEALTHCARE & LASER CLINIC LTD | Manchester | A rating |
| Ayurvedic Nature Care Ltd | Ashton-under-Lyne | A rating |
| Ayush Ayurveda And Yoga Therapy Center Ltd | Southall | A rating |
| Ayush Party Limited | Romford | A rating |
| Ayush Spa and Cafe Limited T/a Ayush Health Spa and Beauty Centre T/a Cafe Pura T/a Ayush Convenience Store | North Greenwich | A rating |
| Ayyan Enterprise Ltd | Glasgow | A rating |
| AYYAN INTERNATIONAL LTD | Derby | A rating |
| AYYAN RESTAURANT AND SWEETS LIMITED T/A Pach Bhai Restaurant | London | A rating |
| AYYAPPAA JEWELLERY WORKSHOP LTD | London | A rating |
| AYYUB BUILDERS LTD | Oldham | A rating |
| AYZTECH IT SOLUTIONS LIMITED | Barking | A rating |
| AZ ART AND ANTIQUES LTD | London | A rating |
| AZ BARGAIN | LONDON | A rating |
| AZ BEAUTY & HAIR LTD | Croydon | A rating |
| AZ BIRMINGHAM LIMITED T/A ROYALE SUITE | Birmingham | A rating |
| AZ Caring Services Ltd | Ashford | A rating |
| AZ CLIPPERZ LTD | Bradford | A rating |
| AZ Construction (Midlands) Ltd | Wolverhampton | A rating |
| AZ Fixing Ltd | Edinburgh | A rating |
| AZ GLOBAL PARTNERS LIMITED | Newbury | A rating |
| AZ GLOBAL SOLUTIONS LTD. | Northolt | A rating |
| AZ RADIO CARS LTD | SMETHWICK | A rating |
| AZA ENERGY SOLUTIONS LIMITED | MANCHESTER | A rating |
| AZA HOMEIMPROVEMENT LIMITED | Southall | A rating |
| Azaan Express Ltd | Hounslow | A rating |
| AZAAN HEALTHCARE (DUNDEE) LTD | Dundee | A rating |
| AZAD CUTZ | MIDDLESBROUGH | A rating |
| AZAD EURO HALAL LTD | BEDFORD | A rating |
| AZAD GROUP MALAKWAL LIMITED | Burnley | A rating |
| Azad halal Poultry Ltd | Luton | A rating |
| AZAD PROPERTIES DEVELOPMENT LTD | LONDON | A rating |
| AZAD PROPERTY LTD | London | A rating |
| AZAD SUPERMARKET ALUMROCK LIMITED | Birmingham, West Midlands | A rating |
| Azad Traders Ltd | Manchester | A rating |
| AZALEA CARE LTD | Peterborough | A rating |
| AZAM & CO ACCOUNATNTS LTD | Manchester | A rating |
| Azam Bros Ltd | Hunstanton | A rating |
| AZAM KHAN T/A MAS TYRES | Huddersfiled | A rating |
| Azam Market Gardner | Warrington | A rating |
| Azariah Medical Partnerships Ltd | Rayleigh | A rating |
| Azarine Limited | London | A rating |
| AZARIO LONDON LIMITED | Slough | A rating |
| AZAZIE UK LIMITED | Peterborough | A rating |
| Azbil Telstar UK Ltd | BATLEY | A rating |
| Azca Auctions Ltd | London | A rating |
| AZED & CO | SURREY | A rating |
| Azeem Accountants Ltd | Bradford | A rating |
| Azeem Khan Couture Limited | Harrrow | A rating |
| AZEEM'S RESTAURANT LIMITED | Keighley | A rating |
| Azeena Ltd | Bradford | A rating |
| Azego TS Ltd | Reading | A rating |
| Azelea Care Solutions | Dunstable | A rating |
| Azelis UK Limited | Cheshire | A rating |
| Azenta UK Ltd | Manchester | A rating |
| AZERBAIJAN AIRLINES CLOSED JOINT STOCK COMPANY | LONDON | A rating |
| Azerion UK Limited | London | A rating |
| Azets Holdings Limited | London | A rating |
| Azeus UK Ltd | London | A rating |
| AZG Logistics Ltd | Slough | A rating |
| AZH LTD | London | A rating |
| Azhagesh Rengasamy T/A BroomRoad Food and Wine | Croydon | A rating |
| Azhar Academy | London | A rating |
| AZHAR ACADEMY LIMITED | London | A rating |
| AZHAR HALAL MEAT LTD | WEMBLEY | A rating |
| AZHAR MAHMOOD (sole trader) TA ARYAAN'S BARBERS | WALSALL | A rating |
| AZHAR'S STORAGE LTD | Batley | A rating |
| AZI ACCOUNTANCY SERVICES LTD | DUDLEY | A rating |
| AZILA LIMITED | LONDON | A rating |
| Azile Limited | London | A rating |
| Azimo Ltd | London | A rating |
| Azimut UK Holdings Limited | London | A rating |
| Azinq Ltd | Daresbury | A rating |
| Aziris Enterprise Limited | London | A rating |
| AZIZ AT THE TREE LTD T/A AZIZ | OXFORD | A rating |
| AZIZ BTL PROPERTIES LIMITED | Essex | A rating |
| Aziz Catering and restaurant | Dewsbury | A rating |
| AZIZ FASHIONS (UK) LTD | Bradford | A rating |
| Aziz property managment uk limited | BIRMINGHAM | A rating |
| Aziz Sinclair Solicitors Ltd | London | A rating |
| AZIZ SONS LIMITED | BIRMINGHAM | A rating |
| AZIZ SUPERMARKET LTD | Birmingham | A rating |
| Aziz Ullah trading as AZ Autos | Bradford | A rating |
| AZLAAN IMMIGRATION SERVICES LTD | Manchester | A rating |
| AZMAN FOOD COMPANY LIMITED | Middlesex | A rating |
| Azmar Limited | London | A rating |
| Azmi Dumlupinar | Covent Garden | A rating |
| AZN TRADING LTD | Loughton | A rating |
| AZo Network UK Limited | Manchester | A rating |
| AZO UK Limited | Burton On Trent | A rating |
| Azoma Inc | LONDON | A rating |
| AZOMEMO LTD | Crowborough | A rating |
| Azophi Construction Limited | Leeds | A rating |
| Azores Management Limited | Thame | A rating |
| AZORRA LIMITED | Whitstable | A rating |
| Azotic Technologies Limited | York | A rating |
| Azpect Design and Installation Ltd | Salford | A rating |
| AZR Capital Limited | London | A rating |
| Azra Restaurant Ltd T/A Manjaros | London | A rating |
| Azra Whitby Limited | Whitby | A rating |
| Azraeesa Limited t/a Vodafone UK | Slough | A rating |