| Amadeus Software Limited | Oxon | A rating |
| Amaechi Performance Systems Ltd | Manchester | A rating |
| AMAFCO BUILDING CONTRACTING LIMITED | LONDON | UK Expansion Worker: Provisional |
| AMAFHH Care Homes Ltd | Leicester | A rating |
| AMAFHH Healthcare Limited | Loughborough | A rating |
| Amagi Media Private Limited | London | A rating |
| AMAGO KITCHEN LTD.T/A-The Fat Pizza | Essex | A rating |
| Amaia Clothing Limited | London | A rating |
| Amaj Limited | Batley | A rating |
| Amal UK Limited | London | A rating |
| Amala Chai Ltd | London | A rating |
| Amalga Limited | West Drayton | A rating |
| Amalgamated Construction Ltd | Barnsley | A rating |
| Amalgamated Laboratory Solutions limited | London | A rating |
| Amalgamated Metal Corporation Plc | London | A rating |
| AMALI CARE LTD | Southampton | A rating |
| Amalraj Perinparajah t/a P & S Late Shop | WARRINGTON | A rating |
| Amalthaea Estates Limited | London | A rating |
| AMAN COURIER LTD | Southall | A rating |
| Aman Essentials Limited | London | A rating |
| Aman Homes Ltd | Thornton Heath | A rating |
| Aman Interiors Limited | London | A rating |
| Aman Pest Control Ltd | Bristol | A rating |
| Aman Telecome Systems Ltd | Blackburn | A rating |
| AMAN'S (NW) LTD TA Amans Restaurant & Takeaway | Bramhall | A rating |
| AMAN1 LTD | Sheffield | A rating |
| Amana Direct Ltd | London | A rating |
| Amana Trust | Romford | A rating |
| AMANAH ACCOUNTANTS LTD | BIRMINGHAM | A rating |
| Amanah Energy Savings | London | A rating |
| Amanara Polo Team | Haslemere | A rating |
| Amanat Charity Trust (trading as Ummah Welfare Trust) | Greater Manchester | A rating |
| Amanda Jane Jackson | LONDON | A rating |
| Amanda Levete Architects | London | A rating |
| Amanda Thompson Couture Ltd | London | A rating |
| Amandarosie Limited | Wirral | A rating |
| Amande Concerts UK | Watford | A rating |
| Amandeep Baidwan | Newcastle | A rating |
| AMANDEEP LTD | Erith | A rating |
| Amane Advisors Ltd | Bladon | A rating |
| Amani Group Limited | London | A rating |
| AMANI'S | York | A rating |
| Amann Threads UK Limited | Ashton under Lyne | A rating |
| Amano Enzyme Europe Limited | Chipping Norton | A rating |
| Amano Operations Limited | London | A rating |
| AMANSTYLE LTD | Bolton | A rating |
| Amant Foundation | London | A rating |
| Amante Capital Limited | London | A rating |
| AMANULLAH MANDUZI T/A MAZAR TAKEAWAY (SOLE TRADER) | London | A rating |
| Amar Akachat T/a The Milan Barbers | Luton | A rating |
| Amar Bazar Ltd | Barking | A rating |
| Amar Cafe Ltd | London | A rating |
| AMAR CAR WASH LTD | LONDON | A rating |
| Amar Convenience Store Ltd | Huntingdon | A rating |
| AMAR DESH PUBLICATIONS UK LTD | LONDON | A rating |
| AMAR HALAL MEAT & BRO LIMITED | High Wycombe | A rating |
| AMAR International Charitable Foundation | CHELMSFORD | A rating |
| Amara Living Ltd | Rayne | A rating |
| Amara Subs Limited T/A Subway | Addlestone | A rating |
| Amarah Automotive Ltd | Bagshot | A rating |
| Amaral and Ferreira Limited | Sheffield | A rating |
| Amarante London Limited | London | A rating |
| Amaranthlabs Ltd | Abingdon | A rating |
| Amaravira Limited | Worle | A rating |
| Amardeep Dhillon & Kuldip Singh T/A Jubilee House | Willenhall | A rating |
| Amari Commodities Ltd | London | A rating |
| Amari Metals Limited | Wednesbury | A rating |
| AMARILE U.K. Limited | London | A rating |
| Amarilla Ltd | London | A rating |
| Amaris Care Ltd | Coatbridge | A rating |
| AMARIS Consulting UK | London | A rating |
| Amarjit Mandeir T/A Boss Pizza | Mansfield | A rating |
| Amarox Limited | Harrow | A rating |
| AMARS CHIPPERY | BLACKBURN | A rating |
| AMASS BUSINESS AND TAX CONSULTANTS LTD | Coventry | A rating |
| Amass Leads Ltd | Birmingham | A rating |
| Amatias Ltd | London | A rating |
| AmaWaterways Limited | Guildford | A rating |
| Amaxa Limited | London | A rating |
| Amaya Care Homes (Capel) Ltd | Newport | A rating |
| Amaya Care Homes (Maesteg) Limited | Radlett | A rating |
| Amaya Care Homes (Ty Coch) Limited | Cardiff | A rating |
| Amaya Care Homes Limited | Radlett | A rating |
| AMAYA EAT GROUP LIMITED T/A TANDOOR AT THE CHAMBERS | BUCKHURST HILL | A rating |
| AMAYA MILA LTD | Middlesex | A rating |
| AMAYA PROPERTIES MK LIMITED | Milton Keynes | A rating |
| Amaya Spa (Amersham) Ltd | Amersham | A rating |
| AMAYRAH FASHION LTD | Southall | A rating |
| Amaze Appliances International (COGB) Ltd | Sandwich | A rating |
| Amaze Hotels Limited | Ruthin | A rating |
| AMAZE PRODUCTS LIMITED | BOLTON | A rating |
| Amazella Limited | Kent | A rating |
| AmazeMe UK Ltd | Romford | A rating |
| Amazin Care Limited | Erith | A rating |
| AMAZING CONSTRUCTIONS LTD | Chadwell heath | A rating |
| Amazing Drylining Uk ltd | london | A rating |
| AMAZING GRACE CHRISTIAN SANCTUARY | DAGENHAM | A rating |
| Amazing Grace Personnel | Basildon | A rating |
| Amazing Health Ltd | LUTON | A rating |
| AMAZING4GRACE CHILDCARE LIMITED | LONDON | A rating |
| Amazon Charitable Trust | London | A rating |
| Amazon Filters Ltd | Camberley | A rating |
| Amazon UK Services Ltd | London | A rating |
| Amazonico UK Limited | London | A rating |
| AMB CARE Ltd | Stockport | A rating |
| AMB Financial Ltd | Peterborough | A rating |
| AMB Foods Limited | Suffolk | A rating |
| AMB SUPERMARKET LTD | Southampton | A rating |
| Amba Holdings Limited T/A The House of Toby | London | A rating |
| Amba Hotels (Oval) Limited T/A Belgrave Hotel | London | A rating |
| AMBA TRADERS LTD T/A BAAR BAAR RESTAURANT | HARROW | A rating |
| AMBALA & KARAHI LIMITED | London | A rating |
| Ambala Sweets Birmingham | Birmingham | A rating |
| AMBAR FISHERIES LONDON | WEMBLEY | A rating |
| AMBAS FOODS LIMITED | Nelson | A rating |
| Ambassador Bakery Ltd | London | A rating |
| Ambassador Cars (Burton) Ltd t/a Ambassador Cars | Burton on Trent | A rating |
| Ambassadors Football (Ireland) | Richhill | A rating |
| Ambassadors Football Limited | Bolton | A rating |
| Ambby Home Plan Limited | Bradford | A rating |
| AMBE SHOP LIMITED | London | A rating |
| AMBEE TRADING LTD | Farnham | A rating |
| AMBER & CO (MGMT) LIMITED | London | A rating |
| Amber Advisers Limited | London | A rating |
| Amber Biosciences Ltd | LONDON | A rating |
| Amber Capital UK Holdings Ltd | London | A rating |
| AMBER CAR HIRE LTD | Blackburn | A rating |
| Amber care (Lincolnshire) limited | Market Rasen | A rating |
| Amber Care Group | Middlesbrough | A rating |
| Amber Care Ltd | Hailey | A rating |
| AMBER FORT (BECKENHAM) LTD | Beckenham | A rating |
| Amber Healthcare Services | London | A rating |
| Amber Home Carers Ltd | London | A rating |
| Amber Infrastructure Limited | London | A rating |
| Amber Labs | London | A rating |
| AMBER PALACE LIMITED | Cheltenham | A rating |
| Amber Residential Care Homes Ltd | Winchester | A rating |
| Amber River Group Limited | London | A rating |
| Amber Rose Healthcare Ltd | Taunton | A rating |
| Amber Security Services and System Ltd | Hounslow | A rating |
| Amber Therapeutics Limited | Didcot | A rating |
| AMBER TRAINING ADVISORY & SUPPORT SERVICES LTD | Hounslow | A rating |
| Amber Valley Health LImited | Heanor | A rating |
| Amber-RTM Holdings Limited | Surrey | A rating |
| Amberbrook Limited | Radstock | A rating |
| AmberGreen Health & Social Care Ltd | Luton | A rating |
| Amberley Court Care Home | Birmingham | A rating |
| Amberley Healthcare Limited | Milton Keynes | A rating |
| Amberley Inn HOTEL LTD | Stroud | A rating |
| Amberley Lodge Care Home LTD | Worthing | A rating |
| Ambershire Ltd | Dunmow | A rating |
| Amberside Advisors Ltd | Hemel Hempstead | A rating |
| Amberta Ltd. | Edinburgh | A rating |
| Ambertex House | Walsal | A rating |
| Ambi & Co (UK) Ltd | Birmingham | A rating |
| AMBIA AND SONS LIMITED T/A INDIAN COTTAGE | Fareham | A rating |
| Ambia Takeaway Ltd | Clwyd | A rating |
| Ambia's Beauty Studio | London | A rating |
| Ambican (UK) Ltd | London | A rating |
| Ambien Group Ltd | London | A rating |
| Ambience Care Ltd | Slough | A rating |
| AmBience Healthcare Ltd | rotherham | A rating |
| Ambient Care Limited | Seaton | A rating |
| Ambient Green Limited | Uxbridge | A rating |
| Ambienta Ltd | London | A rating |
| Ambika Falcon Limited T/A Koyal Restaurant | Surbiton | A rating |
| Ambin Ltd t/as Friary Pharmacy | Old Windsor | A rating |
| Ambipar Response Limited | Bristol | A rating |
| AMBIT ENTERPRISES LTD | London | A rating |
| AMBITION COMMUNITY TRUST | Dukinfield | A rating |
| Ambition Education Trust | St Albans | A rating |
| Ambition Europe Limited | London | A rating |
| Ambitious about Autism | London | A rating |
| AMBITIOUS CHILDREN'S HOMES LTD | Barking | A rating |
| Ambiway Education Ltd | London | A rating |
| Amblecote Community Church | Stourbridge | A rating |
| Ambler Primary School and Children's Centre | Islington | A rating |
| Ambleside Care Home | Bexhill on Sea | A rating |
| Ambleside Lodge Limited | London | A rating |
| Ambleside Nursing Home | Weston-super-Mare | A rating |
| Ambleside Veterinary Clinic | Worcester | A rating |
| Amborella Group Limited | London | A rating |
| Ambourne House Limited T/A Ambourne House Day Nursery & Pre School | Patchway | A rating |
| Ambreck LLP t/a Ballater House | Croydon | A rating |
| AMBREEN PROPERTIES LIMITED | London | A rating |
| AMBREY BAKER INDUSTRIAL SOLUTIONS LTD | Sleaford | A rating |
| Ambrey Risk Limited | Hereford | A rating |
| Ambridge Europe Limited | London | A rating |
| Ambris LLP | London | A rating |
| Ambrose Avenue Group Practice | Colchester | A rating |
| Ambrose Ebhohimen T/A The Dental Centre | Tenterden | A rating |
| Ambrose Projects Ltd | London | A rating |
| Ambrosial Services Limited | Watford | A rating |
| Ambue Ltd | Thame | A rating |
| Ambulant Physiotherapy Ltd | Preston | A rating |
| Ambulatory Surgery International Ltd t/a Welbeck Health Partners | London | A rating |
| Ambulnz Community Partners Ltd | Manchester | A rating |
| Ambush Events Ltd | Leicester | A rating |
| AMBUSH STREET TRADING LIMITED T/A Ambush Street Mini Market | Northampton | A rating |
| Amc Accountants Ltd | Manchester | A rating |