| Arimon Ltd T/A Digilytics | London | A rating |
| Arin Garages LTD | Dagenham | A rating |
| Arin Power Limited | London | A rating |
| ARINC Inc | Crawley | A rating |
| Arini Capital Management Limited | London | A rating |
| ARIOCELL LTD | Nottingham | A rating |
| ARION & SPYRIDON LTD | WORCESTER | A rating |
| Arion Investment Management Limited | London | A rating |
| ARIS Software UK Limited | Bracknell | A rating |
| Arisaig Hotel LTD | Arisaig | A rating |
| Arisaig Partners Research Services (UK) Limited | London | A rating |
| Arise Coffee Roasters | london | A rating |
| Arise P&L Limited | London | A rating |
| Arise Youth Support Limited | Banbury | A rating |
| ARISECARE LTD | Southampton | A rating |
| ArisGlobal UK Limited | Wolverhampton | A rating |
| ARISH GROCERY LTD | SOUTHAMPTON | A rating |
| Arisha Worldwide Limited t/a The Albany Hotel | Blackpool | A rating |
| ARISTA NETWORKS UK LTD | London | A rating |
| ARISTAR FINANCIAL CONSULTING LIMITED | Guildford | A rating |
| Aristeus Services (UK) Ltd | London | A rating |
| Aristocrat Technologies Europe Ltd. | Uxbridge | A rating |
| Ariston UK Ltd | Brentwood | A rating |
| ARISTON VILLAGE PIZZA LTD | Richmond | A rating |
| Aristone Limited t/a Aristone Solicitors | Luton | A rating |
| ARITA LIMITED T/a ARITA RECRUITMENT | Luton | A rating |
| Arithma LLP | Harrow | A rating |
| ArithmosTech Limited | Knutsford | A rating |
| Ariya African Restaurant & Bar | Bradford | A rating |
| ARIYA HALAL FOOD LTD | ILFORD | A rating |
| Ariyaan Ltd | South Croydon | A rating |
| Ariyan Foods Ltd. | Slough | A rating |
| ARIYAN HEALTHCARE LIMITED | Leicester | A rating |
| ARJ CAPITAL LIMITED | Watford | A rating |
| ARJ.GLOBAL LTD | Manchester | A rating |
| ARJAN & SON'S LTD | London | A rating |
| ARJAN ENGEERING CONSULTANTS UK LTD-14648180 | LONDON | UK Expansion Worker: Provisional |
| ARJANT LIMITED T/A LowCost LetterBox | London | A rating |
| ARJO UK LTD | Houghton Regis | A rating |
| Arjobex Polyart Ltd | Clacton on Sea | A rating |
| Arjun Infrastructure Partners Limited | London | A rating |
| Arjun Trading Ltd T/A Whitehorse Vale Stores | Luton | A rating |
| ARJUN'S ANGLO-INDIAN KITCHEN & BAR LIMITED | St Helens | A rating |
| ARJUNLI LIMITED | Swindon | A rating |
| Arjuun Trading Ltd | Holyhead, Wales | A rating |
| ARK | London | A rating |
| ark architecture + design | Glasgow | A rating |
| ARK BUILDERS AND CONSTRUCTION LTD | Dartford | A rating |
| Ark Care & Support Group Limited | Southend-on-Sea | A rating |
| Ark Care Services Ltd | London | A rating |
| ARK Chelsea Limited | London | A rating |
| ARK CLS Limited | Bedford | A rating |
| ARK Consultancy Ltd | Birmingham | A rating |
| Ark Consultants UK Ltd | Lancaster | A rating |
| Ark Drylining Ltd | Dartford | A rating |
| Ark Exports Ltd | Wimborne | A rating |
| ARK FAMILY OFFICE LTD | London | A rating |
| ARK FOODS BOGNOR REGIS LTD | Bognor Regis | A rating |
| ARK GLOBAL SERVICES LTD | London | A rating |
| ARK GROUP DMCC | London | A rating |
| ARK HOSPITALITY LIMITED T/A PEPE'S PERI PERI | RICKMONSWORTH | A rating |
| ARK INTERNATIONAL (GB) LTD t/a Bengal Best Product | Dagenham | A rating |
| Ark International (UK) Ltd | London | A rating |
| ARK Invest International Ltd | Bristol | A rating |
| Ark Investment Management Ltd | London | A rating |
| ARK IT SERVICES LTD | BIRMINGHAM | A rating |
| ARK MAINTENANCE LTD | Retford | A rating |
| Ark Malik Foods Limited | Westbury | A rating |
| Ark Mission Church Bradford (Revival Centre) | Bradford | A rating |
| ARK MORTGAGES LTD | Essex | A rating |
| Ark Nursing and Care Agency | Bideford | A rating |
| Ark of hope Foundation for all Nations | Stoke-on-trent | A rating |
| ARK Resettlement Services | London | A rating |
| ARK SELECTION LTD | London | A rating |
| ARK SRK LTD T/A BP | Worthing | A rating |
| ARK STATIONERY LIMITED | Greenford | A rating |
| ARK SUPERMARKET LIMITED T/A Johal super market Premier | Coventry | A rating |
| Ark Sweets Ltd | Bradford | A rating |
| Ark Syndicate Management Limited | London | A rating |
| ARK Ventures UK Ltd | Norwich | A rating |
| Ark Veterinary Clinic Ltd | Glasgow | A rating |
| Ark Vets Ltd | Epsom | A rating |
| Ark Wholesalers Ltd | Kent | A rating |
| Ark Workplace Risk Limited | London | A rating |
| ARK WORLDWIDE LTD | London | A rating |
| Ark-G Surgeries Limited | Dartford | A rating |
| Ark-H Handling Ltd | Wilstead | A rating |
| Ark/8 Ltd | London | A rating |
| ARKA HOUSE LTD | Portsmouth | A rating |
| ARKAAN LIMITED T/A SUBWAY | CHELMSFORD | A rating |
| ARKADE FOOD LTD | Bristol | A rating |
| Arkaim Advisors Limited | London | A rating |
| ARKAIM ADVISORS LTD | LONDON | A rating |
| Arkana Technology Limited | Newcastle Upon Tyne | A rating |
| Arkas Investments Limited | London | A rating |
| Arkash Management Consultants Limited | Northwood | A rating |
| Arkay Chilled Food Ltd | Dagenham | A rating |
| Arkay Windows Ltd | Watford | A rating |
| Arkaya Energy Limited | Southampton | A rating |
| Arkdeal Ltd T/A Kaspa's Desserts | Bracknell | A rating |
| Arke Agency Ltd | Brighton | A rating |
| Arke Creative Limited | London | A rating |
| Arkema UK Ltd | Stafford | A rating |
| Arken.legal (UK) Limited | Tunbridge Wells | A rating |
| Arkham Intelligence Ltd | London | A rating |
| ARKIRA LABS LIMITED | COULSDON | A rating |
| Arkivum Ltd | Reading | A rating |
| Arkk Consulting Ltd | London | A rating |
| Arkke Capital Ltd | Newport | A rating |
| Arkle Electronics Ltd | Stevenage | A rating |
| Arkmak Ltd | London | A rating |
| Arkphire Technologies UK Ltd T/A Presidio | London | A rating |
| ARKrights Solicitors | Watford | A rating |
| Arksen Limited | Hayward | A rating |
| ARKSM LTD | Croydon | A rating |
| Arkus Consulting Limited | London | A rating |
| Arkwood Ltd T/A Jon Sheaff and Associates | London | A rating |
| ARKWRIGHT INSURANCE BROKERS LIMITED | BOLTON | A rating |
| ARKWRIGHT LONDON LTD | Brentford | A rating |
| ARKWRIGHT LONDON PARTNERS LLP | LONDON | A rating |
| Arky Interior Ltd | Ilford | A rating |
| ARL Services (UK) Limited | Berkshire | A rating |
| Arla Foods Limited | Leeds | A rating |
| Arlation UK Limited | London | A rating |
| ARLETTIE LONDON LTD | London | A rating |
| Arlinens Ltd | Littleborough | A rating |
| Arlington and Stone | Bristol | A rating |
| ARLINGTON CARE GROUP LIMITED | Consett, | A rating |
| Arlington Farming Limited | Newark | A rating |
| Arlington Group Asset Management Limited | London | A rating |
| Arlington House Residential Care Home | Warrington | A rating |
| Arlington Medical Consultancy Limited | Manchester | A rating |
| Arlington Row Ltd | Cirencester | A rating |
| Arm Limited | Cambridge | A rating |
| ARM TRANSPORT LTD | Manchester | A rating |
| Arm2Arm Support Ltd | Swindon | A rating |
| ARMA & PARTNERS LTD | Cobham | A rating |
| ARMA CARE SERVICES LIMITED | Pinner | A rating |
| Arma Litigation | Leeds | A rating |
| Arma Partners LLP | London | A rating |
| ARMAAN A TRAVELS LTD | Blackburn | A rating |
| ARMAAN COLLECTIONS LTD | Birmingham | A rating |
| ARMAAN ONE LTD | Manchester | A rating |
| ARMAAN PATEL LTD | Essex | A rating |
| ARMAAN TRADING LTD T/A USAVE | FALKIRK | A rating |
| Armaan Zohaan Limited | Peterborough | A rating |
| ArmaanJudge Ltd | Porth | A rating |
| Armac Vets Limited | Biggar | A rating |
| Armacell UK Ltd | Oldham | A rating |
| Armada Engineering Ltd | Falmouth | A rating |
| Armada Family Practice | Bristol | A rating |
| Armada Music UK LTD | London | A rating |
| Armada Technologies Limited | Birkenhead | A rating |
| ARMADALE RETAILERS LIMITED t/a PREMIER ARMADALE | Bathgate | A rating |
| Armadale Supermarket Limited | Bathgate | A rating |
| ARMADALE SUPERSTORE LTD | Bathgate | A rating |
| Armadillo Associates Limited | Bristol | A rating |
| Armadillo Engineering (UK)Ltd | Radstock | A rating |
| Armadillo Supplies Limited | Tredegar | A rating |
| Armadillos Nursery and Preschool | London | A rating |
| Armagard Ltd | Birmingham | A rating |
| Armagh City Hotel Limited | Armagh | A rating |
| Armagh Observatory and Planetarium | Armagh | A rating |
| Armagh Timber Products Ltd | Armagh | A rating |
| ARMAN CONSTRUCTION LTD | Croydon | A rating |
| Arman Fashion Ltd | london | A rating |
| Arman Hotel Limited | Dartford | A rating |
| ARMAN INDIAN LTD | Bucks | A rating |
| Arman Restaurant Limited T/A Mumbai Lounge | Brigg | A rating |
| Armani Foods Limited | West Bromwich | A rating |
| ARMANISU LIMITED T/A CALDERDALE CONVENIENCE STORE | TODMORDEN | A rating |
| Armann Trading Ltd | Ormskirk | A rating |
| Armany West Limited | Huddersfield | A rating |
| ARMARA GROUP LTD | London | A rating |
| Armathwaite Hall Hotel Ltd | Keswick, Cumbria | A rating |
| ARMCO CIVILS UK LTD | Londonderry | A rating |
| Armcon Limited | Poynton | A rating |
| Armen Sarkissian | London | A rating |
| ARMENIAN CHURCH TRUST (UK) LIMITED | Brentford | A rating |
| ARMENIAN TAVERNA LIMITED | Manchester | A rating |
| Armina LTD | London | A rating |
| Armira Capital Limited | London | A rating |
| Armira UK Limited | London | A rating |
| Armirate Education Limited | St Nicholas Way | A rating |
| ARMIS SECURITY UK LIMITED | London | A rating |
| ARMKO Limited T/A Camile Thai | London | A rating |
| Armley Fones Ltd | Leeds | A rating |
| Armley Medical Practice | LEEDS | A rating |
| Armlon Software Solutions Ltd | London | A rating |
| ARMODIAS LTD | Northampton | A rating |
| Armon Limited | Wrexham | A rating |
| ARMONIA GROUP UK LTD | London, | A rating |
| Armour Care Services Ltd | Manchester | A rating |
| Armour of Light Limited | Danderhall | A rating |
| ARMOUR SECURITY GROUP (UK) LTD | LONDON | A rating |
| ARMS-H LTD | Wrenbury | A rating |
| Armscare Limited | Swaffham | A rating |
| Armstrong Capital Management Limited | London | A rating |
| Armstrong Gardens & Landscapes Ltd | Edinburgh | A rating |
| Armstrong Group Ltd | London | A rating |