| ALL IN ONE PLACE LTD | London | A rating |
| All in order Solutions Ltd | Ilford, | A rating |
| All Market Europe Limited | London | A rating |
| All Metal Roofing Ltd | Waltham Abbey | A rating |
| All Metal Services Limited | Sutton Coldfield | A rating |
| All Motors Ltd | Kirknewton | A rating |
| All Nations Christian Centre | Wolverhampton | A rating |
| ALL NATIONS CHRISTIAN CHURCH, UK (ANCC), (HOUSE OF PRAYER), DESTINY CENTRE | BARKING, LONDON | A rating |
| All Nations Christian College | London | A rating |
| All Nations Church | Cardiff | A rating |
| All Nations Church Swansea | Swansea | A rating |
| ALL NATIONS REVIVAL EVANGELISTIC MINISTRIES | GRAVESEND | A rating |
| All Nippon Airways Co Ltd | London | A rating |
| All Of Us Here Ltd | London | A rating |
| All Pipe Engineering Limited | Northen Ireland | A rating |
| All Pipe Services Ltd | Sittingbourne | A rating |
| All Power Trading Ltd | Preston | A rating |
| All Promoted UK Ltd | Birmingham | A rating |
| All Purpose Studio Limited | London | A rating |
| All Round Care Solutions Limited | Birmingham | A rating |
| All Saints Academy Dunstable | Dunstable | A rating |
| All Saints Benhilton Primary School | Sutton | A rating |
| All Saints Catholic Academy Trust | Abbots Langley | A rating |
| ALL SAINTS CATHOLIC COLLEGE | LONDON | A rating |
| ALL SAINTS CATHOLIC SCHOOL | DAGENHAM | A rating |
| All Saints Church | Woodford Green | A rating |
| All Saints Green Dental Clinic Ltd | Norwich | A rating |
| All saints Homeless Shelter | Nottingham | A rating |
| All SAINTS MAR THOMA CHURCH | PETERBOROUGH | A rating |
| All Saints News & Wines Ltd | Newmarket | A rating |
| All Saints Peckham | LONDON | A rating |
| All Saints Presbyterian Church | Newcastle Upon Tyne | A rating |
| All Saints Retail Limited | London | A rating |
| All Saints Support Ltd | Wakefield | A rating |
| ALL SAINTS SURGERY | BURTON ON TRENT | A rating |
| All Saints Trust T/A Our Lady of Grace Catholic Infant School | London | A rating |
| All Saints' Trust | Kenton | A rating |
| ALL SEAS CAPITAL PARTNERS LTD | London | A rating |
| All Seasons Air Conditioning Services | Loughton | A rating |
| All Seasons Catering limited | London | A rating |
| All Seasons Lettings Ltd | London | A rating |
| ALL SEASONS LONDON LTD | SOUTHALL | A rating |
| ALL SEASONS TRADERS LTD | Leicester | A rating |
| All Seasons Young Living Ltd | Basildon | A rating |
| ALL SERVICE 4 U LIMITED | London, | A rating |
| ALL SERVICES LTD | London | A rating |
| ALL SOLUTION CONSTRUCTION LTD | NEWCASTLE UPON TYNE | A rating |
| All Sorts | Thornton Heath | A rating |
| All Souls Church | London | A rating |
| All Sports Whispers Ltd | Milton Keynes | A rating |
| ALL SQUARES SPORTS CIC | Cardiff | A rating |
| All Star Complete Development Ltd T/A The Park Hotel | Milton Keynes | A rating |
| ALL STARS CHILD CARE SERVICES LTD | Liversedge | A rating |
| All Starz kitchen Limited | London | A rating |
| All Steels Trading Ltd | Thirsk | A rating |
| All Street Research Limited | London | A rating |
| All the Citizens Ltd | Sheffield | A rating |
| All the Ducks Ltd | London | A rating |
| ALL THINGS CONSIDERED LIMITED | London | A rating |
| All Things Nice Macclesfield Ltd | Stockport | A rating |
| ALL THINGS RURAL LIMITED | Alcester | A rating |
| All Time Food and Wine Limited | London | A rating |
| All Trends Fashion Ltd | Manchester | A rating |
| ALL UK EXPRESS LTD | Wolverhampton | A rating |
| All Urban Limited | Sheffield | A rating |
| All Win Tennis Ltd | London | A rating |
| All World Foods Limited | London | A rating |
| ALL-TIME CONVENIENCE LTD | SURBITON | A rating |
| All-Zones Courier Ltd | Wakefield | A rating |
| ALL.SPACE Networks Limited | Reading | A rating |
| All2gether Limited | London | A rating |
| All3Media Limited | London | A rating |
| ALL4ONE CARE SERVICES LIMITED | Ingatestone | A rating |
| ALLABOUTBANTS LTD | TWICKENHAM | A rating |
| Allag Care Limited | Leicester | A rating |
| Allagents Ltd | Glasgow | A rating |
| Allam Marine Limited | NORTH FERRIBY | A rating |
| Allambie Enterprises Limited | Coventry | A rating |
| Allan and Bass Ltd | Walton-On-Thames | A rating |
| Allan Cameron and Partners | ACHARACLE | A rating |
| Allan Controls & Automation Ltd | Liverpool | A rating |
| Allan Yachting Limited | Gillingham | A rating |
| ALLANASONS PRIVATE LIMITED | London | A rating |
| ALLANDALE CARE GROUP LIMITED | Heswall, Wirral | A rating |
| Allander Surgery | Glasgow | A rating |
| Allans Healthcare Ltd t/a Wynyard Pharmacy | BILLINGHAM | A rating |
| Allans the Accountants Limited | Surbiton | A rating |
| ALLASSO SA | London | A rating |
| Allauddin Jewellery Ltd TA Emirates Gold Jewellers | Southall | A rating |
| ALLAUDDIN SWEETS LIMITED | London | A rating |
| ALLAWAY HEALTHCARE LIMITED | HAMPSHIRE | A rating |
| Allbars Vaping Ltd | London | A rating |
| Allbest Solutions Limited | Woking | A rating |
| ALLBETTER CARE LIMITED | London | A rating |
| Allbound UK Limited | London | A rating |
| Allbro's Pharmacy Ltd t/a PharmacyKwik | Manchester | A rating |
| AllChild Limited | London | A rating |
| ALLCO DESIGN & BUILD LTD | London | A rating |
| Allcures House | South Ockendon | A rating |
| Alldata UK Sales Ltd | London | A rating |
| Allday's Premier Express | Wigan | A rating |
| ALLDAY'S RETAIL LTD | LIVERPOOL | A rating |
| Alleans Renewables Services Ltd | London | A rating |
| Allect Limited | London | A rating |
| Allegion (UK) Limited | Bury | A rating |
| Allegion Safety & Security Solutions Limited | Bury | A rating |
| Allegis Group Limited | Bracknell | A rating |
| Allegra Fairmile Grange Limited | Christchurch | A rating |
| ALLEGRIA RESTAURANT LTD | Lytham St. Annes | A rating |
| Allegro MicroSystems Europe Limited | Musselburgh | A rating |
| Allelys General Haulage Ltd | Studley | A rating |
| Allen , Briggs and Turner Veterinary Surgeons | Boston | A rating |
| Allen & Heath Ltd | Penryn | A rating |
| Allen and barnfield chemists | Foxhill | A rating |
| Allen Archaeology | Lincoln | A rating |
| ALLEN CONSTRUCTION AND SUPPLIES LTD | BIRMINGHAM | A rating |
| Allen Diesels Limited | Bedford | A rating |
| Allen House Dental Practice | Crewe | A rating |
| Allen Lane Limited | London | A rating |
| Allen Overy Shearman Sterling Service Company Limited | London | A rating |
| Allen Pyke Associates Ltd | Kingston Upon Thames | A rating |
| Allen Rezai MD | London | A rating |
| Allen Speech & Language Ltd | Heybridge | A rating |
| Allen Street Clinic | Stoke on Trent | A rating |
| Allen Transport Limited | Tamworth | A rating |
| ALLENBROOK CARE LIMITED | FORDINGBRIDGE | A rating |
| Allenby Commercial (Construction) Ltd | Hull | A rating |
| Allenby Douglas Limited | Oswestry | A rating |
| Allenby Heating & Plumbing Ltd | Southall | A rating |
| Alleppey Kitchen Ltd | Chesterfield | A rating |
| ALLERGOTECH LIMITED | Reading | A rating |
| Allergy Therapeutics | Worthing | A rating |
| Allerton C&S GL Limited | Watford | A rating |
| Allerton C&S SE Limited | Watford | A rating |
| Allerton C&S SW Limited | Watford | A rating |
| Allerton Group Limited | Watford | A rating |
| ALLERTON INTERIORS LTD | Bradford | A rating |
| Allerton Medical Centre | Leeds | A rating |
| Allesley Childrens Care Ltd | Coventry | A rating |
| Allesley Park Medical Centre | Coventry | A rating |
| Allett Limited | Stafford | A rating |
| Alleyn's School Ltd | London | A rating |
| ALLEYOOP LTD | Edinburgh | A rating |
| AllFilm Limited | Sheffield | A rating |
| Allfocal Optics Limited | Cambridge | A rating |
| Allfor Care Services Ltd | Hounslow | A rating |
| Allford Hall Monaghan Morris | London | A rating |
| Allfunds Bank | London | A rating |
| ALLGDP LTD | LONDON | A rating |
| Allgreen Energy | Daresbury Cheshire | A rating |
| Allia Ltd | Cambridge | A rating |
| ALLIANCE & ASSOCIATES LTD | London | A rating |
| Alliance & Cooper Solicitors Limited | Manchester, | A rating |
| Alliance & Reliance Ltd | London | A rating |
| Alliance Advertising & Marketing Ltd | London | A rating |
| Alliance Advisors UK Limited | London | A rating |
| ALLIANCE ADVISORY & CONSULTANCY LTD | LONDON | A rating |
| Alliance Automotive UK Limited | Milton Keynes | A rating |
| Alliance Business Ltd T/A Leytonstone Road Post Office | London | A rating |
| Alliance Chemicals Global UK Ltd | London | A rating |
| Alliance Community Home Care Ltd | Holmfirth | A rating |
| Alliance Dental Care Limited | Hertfordshire | A rating |
| ALLIANCE DESIGN UK LTD T/A EDGE CONSULTING ENGINEERS | MANCHESTER | A rating |
| Alliance Drug Development Limited | Bracknell | A rating |
| Alliance Facility Management Ltd | Ashton-under-Lyne, Greater Manches | A rating |
| ALLIANCE FACILITY MANAGEMENT LTD | Ahton-under-Lyne | A rating |
| Alliance Financial Consultants Ltd | Birmingham | A rating |
| Alliance Fish Ltd | Morpeth | A rating |
| Alliance for Better Care CIC | Horley | A rating |
| ALLIANCE FOR COHESION AND RACIAL EQUALITY LTD | Reading | A rating |
| Alliance for Natural Health International | Fleet | A rating |
| Alliance for Responsible Citizenship Limited | London | A rating |
| ALLIANCE FOR WATER STEWARDSHIP SCIO | North Berwick | A rating |
| Alliance Francaise Cambridge | Cambridge | A rating |
| Alliance Francaise d'Oxford | Oxford | A rating |
| Alliance Francaise de Glasgow | Glasgow | A rating |
| Alliance Francaise de Londres Ltd | London | A rating |
| Alliance Francaise de Manchester | Manchester | A rating |
| Alliance Group Management Ltd | Greenock | A rating |
| Alliance Healthcare Management Services Limited | Chessington | A rating |
| Alliance Jiu-Jitsu UK Limited | London | A rating |
| Alliance Medical Limited | Warwick | A rating |
| Alliance Motors & Body Repairs Ltd | Wokingham | A rating |
| Alliance One International Services Ltd | Camberley | A rating |
| Alliance One Oilfield Ltd | Dyce, Aberdeen | A rating |
| Alliance Pharmaceuticals Ltd | Chippenham | A rating |
| ALLIANCE STORES LIMITED T/AS PREMIER | THORNTON | A rating |
| Alliance Support Group Ltd | Birmingham | A rating |
| Alliance UK Shipping and Trading LTD | London | A rating |
| AllianceBernstein Limited | London | A rating |
| Alliants Limited | Southampton | A rating |
| Allianz Global Corporate & Specialty SE | London | A rating |
| Allianz Global Investors UK Limited | London | A rating |
| Allianz Insurance plc | Guildford | A rating |
| Allica Bank | London | A rating |
| ALLIE HOME LTD | London | A rating |
| Allied Automation And Software Solutions Limited | London | UK Expansion Worker: Provisional |
| Allied Care Ltd & Associated Group of Companies | Woking | A rating |
| Allied Computer UK Limited | Wembley | A rating |
| ALLIED COMPUTER UK LTD | Wembley | A rating |