| Aora Group Ltd | London | A rating |
| Aosa Care Services Ltd | Bolton | A rating |
| AOSH QUALIFICATIONS LIMITED | Manchester | A rating |
| aosphere Limited | London | A rating |
| AOSR LIMITED | Bushey | A rating |
| AOT Energy UK Limited | London | A rating |
| AOT Limited | Ilford | A rating |
| AOTO Electronics (UK) Ltd | Brentford | A rating |
| AOUZ LIMITED | Salford, | A rating |
| Aozora Europe Limited | London | A rating |
| AP Audit UK Limited | London | A rating |
| AP AUDIT UK LTD | London | A rating |
| AP Barnet MAT Oak Hill School | London | A rating |
| AP Capital International Limited | London | A rating |
| AP CONVENIENCE LTD | Wishaw | A rating |
| AP Dairies Limited | Dunstable | A rating |
| AP Drywall Systems Ltd | Manchester | A rating |
| AP Financial Limited | Ashford | A rating |
| AP GLAZING LIMITED | Smethwick | A rating |
| AP Health Ltd t/a Henconner Pharmacy | Leeds | A rating |
| AP IT SOLUTIONS LTD | London | A rating |
| AP Morgan Limited | Redditch | A rating |
| AP PLUMBING AND GAS LIMITED | Willenhall | A rating |
| AP Racing Limited | Coventry | A rating |
| AP SD SIXTY FIVE LIMITED | ST ALBANS | A rating |
| AP STUDLAND STORE LTD | Suffolk | A rating |
| AP Ventures LLP | London | A rating |
| AP&P Services Ltd | Poole | A rating |
| AP3 Group Limited T/A Skyhaus | London | A rating |
| APA Concrete Repairs Ltd | Bradford | A rating |
| APAC SPILLWELL UK LIMITED | London | A rating |
| Apache Applications Ltd | Manchester | A rating |
| Apache Capital Partners Limited | London | A rating |
| Apache iX Limited | Emersons Green | A rating |
| Apache North Sea Limited | Aberdeen | A rating |
| APACHE PIZZA (BANBRIDGE) LIMITED | Banbridge | A rating |
| APACHE PIZZA (LISBURN) 786 LTD | Lisburn | A rating |
| APACOR LIMITED | Wokingham | A rating |
| Apadmi Limited | Manchester | A rating |
| APAM Ltd | London | A rating |
| Apartmentwharf | London | A rating |
| APASEN | LONDON | A rating |
| Apave TIV UK Ltd | Warrington | A rating |
| Apax Partners UK Ltd | London | A rating |
| APAX SUPPORT LIMITED T/A APAX | London | A rating |
| Apayon Inn Ltd | Stockport | A rating |
| APC Accountants Limited | Mansfield | A rating |
| APC CARE LIMITED | Hailsham | A rating |
| APCER Life Sciences Limited | London | A rating |
| APCO Dental Ltd | Lanark | A rating |
| APCO Technologies Services Ltd | Didcot | A rating |
| APCO Worldwide | London | A rating |
| Apcoa Parking | Uxbridge | A rating |
| APD Business Management Ltd | Swindon | A rating |
| APD Maintenance LTD | London | A rating |
| APECS Consult Ltd | Tipton | A rating |
| Apeiron Capital Limited | London | A rating |
| Apeiron Investment Advisory UK Limited | London | A rating |
| Apem Components Limited | Long Crendon | A rating |
| APEM Limited | Stockport | A rating |
| Apera Asset Management LLP | London | A rating |
| Aperio Intelligence Limited | London | A rating |
| Aperta Care Ltd T/A Caremark Rotherham | Rotherham | A rating |
| APERTA LTD | Cumbernauld | A rating |
| APERTUM ONLINE LTD | London | A rating |
| Aperture Hub Ltd | London | A rating |
| Aperture Investors UK, Ltd | London | A rating |
| APERTURE MEDIA LTD | Shipley | A rating |
| APERTURECHINA LTD | London | A rating |
| apetito Ltd | TRowbridge | A rating |
| APEX ACCOUNTANTS (LONDON) LTD | London | A rating |
| APEX ACCOUNTANTS & TAX ADVISORS LTD | Chigwell | A rating |
| Apex Acoustics Limited | Gateshead | A rating |
| Apex Additive Technologies Ltd | Ebbw Vale | A rating |
| Apex Airspace Development Ltd | London | A rating |
| Apex Appliance Experts Ltd | London | A rating |
| Apex Associates LLP | Ilford | A rating |
| APEX AUTO PARTS LTD | Barking | A rating |
| Apex Bookkeeping Ltd | Ruislip | A rating |
| Apex Builders Limited | Gravesend | A rating |
| Apex Business Partners Ltd | Stockton-On-Tees | A rating |
| APEX CAR BREAKERS LTD | London | A rating |
| APEX CARE CENTRE LTD | MABLETHORPE | A rating |
| Apex Care Homes Limited | Bedford | A rating |
| APEX CARTRIDGE LIMITED | London, England | A rating |
| Apex Circuit Design Ltd. | Princes Risborough | A rating |
| Apex Civil solutions Limited | Preston | A rating |
| Apex Consolidation Entity Ltd | London | A rating |
| Apex Consulting Engineers Limited | Sheffield | A rating |
| Apex Consults Limited | Harlow | A rating |
| APEX CONVENIENCE STORES LTD | Eastbourne | A rating |
| Apex Courier and Cargo Limited | Manchester | A rating |
| Apex Dent Limited | London | A rating |
| Apex Dental Group Limited | London | A rating |
| Apex Engage Limited t/a The Insights Family | Manchester | A rating |
| APEX ENGINES LIMTED | Preston | A rating |
| Apex Fintech Solutions UK Ltd | Belfast | A rating |
| APEX FIRE SYSTEMS LTD | London | A rating |
| APEX FLOOD SOLUTIONS LIMITED | Watford | A rating |
| Apex Furniture Ltd | Batley | A rating |
| APEX GLOBAL CONSULTING SERVICES LIMITED | Ilford London | A rating |
| Apex Group MCR Ltd T/A The Link | Manchester | A rating |
| Apex Healthcare | Littlehampton | A rating |
| Apex Healthcare Services Ltd | Reading | A rating |
| Apex Hotels Limited | Edinburgh | A rating |
| Apex Housing Solutions Ltd | London | A rating |
| Apex I.C.T UK Ltd | Batley | A rating |
| Apex Innovation Labs Ltd | Liverpool | A rating |
| Apex Innovations London Limited | Brentford | A rating |
| Apex Insulation (North West) Ltd | Manchester | A rating |
| APEX INTERNATIONAL PROPERTY SOLUTIONS LIMITED | London | A rating |
| Apex International UK Limited | Retford | A rating |
| Apex IT Solutions & Services Ltd | Reading | A rating |
| APEX JEWELLERS LTD T/A ASPIRE, DIAMOND HEAVEN AND DIAMOND QUARTER | BIRMINGHAM | A rating |
| Apex Lift and Escalator Engineers Limited | Bexleyheath | A rating |
| APEX LITIGATION FINANCE LIMITED | Bourne | A rating |
| Apex Molecular Limited | Alderley Edge | A rating |
| Apex Mortgage & Protection Ltd | York | A rating |
| Apex Nationwide Ltd | Birmingham | A rating |
| Apex Networks Ltd | Ramsgate | A rating |
| APEX PADEL CLUBS LTD | Manchester | A rating |
| Apex Physiotherapy Ltd | Belfast | A rating |
| Apex Prime Care | Cheltenham | A rating |
| Apex Property Services (Scotland) Ltd | Glasgow | A rating |
| APEX PROPERTY SERVICES (UK) LTD | Birmingham | A rating |
| Apex Radio Systems Ltd | Gateshead | A rating |
| APEX REMOVAL GROUP LTD | Slough | A rating |
| APEX REPAIR & MAINTENANCE LTD | HOUNSLOW | A rating |
| APEX REPAIR CENTRE LTD | STOKE ON TRENT | A rating |
| Apex Restaurants Ltd T/A Pepe's Piri Piri | London | A rating |
| Apex Richtech Packaging Limited | London | A rating |
| APEX SECURE LIMITED | Leicester | A rating |
| Apex Security & K9 Ltd | Essex | A rating |
| Apex Systems Global Limited | Cannock | A rating |
| Apex Techno Limited | London | A rating |
| Apex UK Consulting Ltd | London | A rating |
| Apex Windows Ltd | Bolton | A rating |
| APEXCO LIMITED t/a Furthergate Service Station - Shell | Blackburn | A rating |
| Apexcrest Limited | London | A rating |
| APEXIGHT ACCOUNTING SERVICE LIMITED | Dartford | A rating |
| APEXIMIZE SERVICES LTD | London | A rating |
| Apexx Fintech Ltd | London | A rating |
| APFin Limited | London | A rating |
| APFUTURA UK SERVICES LTD | London | A rating |
| APG Cash Drawer Ltd | Newhaven | A rating |
| APG Technologies Limited | London | A rating |
| APHARO RECRUITMENT UK LTD | STOCK-ON-TRENT | A rating |
| Aphex Software Limited | London | A rating |
| Aphrodite Fashion Limited | Tonbridge | A rating |
| Aphrodites Hotel | Bowness | A rating |
| Aphuranto Limited | Leicestershire | A rating |
| Api Avi Store | London | A rating |
| API AVI STORE LTD | Ripley | A rating |
| API Foilmakers | Livingston | A rating |
| APi Group UK Holdco Limited | Ashford | A rating |
| API Software Limited (Trading as "AutoRek") | Glasgow | A rating |
| Apis Assay Technologies | Manchester | A rating |
| Apis Partners (Group) UK Limited | London | A rating |
| APJ Juweller UK Ltd T/As Silver Ocean | London | A rating |
| APK Design LTD T/A Cheap Sofa | Shaw Road | A rating |
| APL Couriers Ltd | Blaina | A rating |
| APL EUROPE (UK) LTD. | London | A rating |
| APL Media Limited | London | A rating |
| Apleona UK Limited | Morley | A rating |
| Aplin Smile Limited T/AS The Gentle Touch Dental Practice | Kelso | A rating |
| APLL UK LTD | London | A rating |
| Aplomb Childcare Limited | London | A rating |
| Aplomb Limited | London | A rating |
| Aplos Innovation Ltd | London | A rating |
| APM 51 LIMITED T/A PAMBER HEATH STORE | HAMPSHIRE | A rating |
| APM ACCOUNTANTS LIMITED | LONDON | A rating |
| APM Retail Group Ltd | Smethwick | A rating |
| APMS Solutions Ltd t/a Akerman Medical Practice | London | A rating |
| Apna Dera Oldham Limited | Oldham | A rating |
| Apna Lahore Ltd | Birmingham | A rating |
| Apna Mirpur Jewellery UK Ltd | Sheffield | A rating |
| Apna Pind Ltd | Southall | A rating |
| Apna Punjab Sweet Centre Ltd | Leicester | A rating |
| APNA STORES TUNSTALL LTD | Stoke-On-Trent | A rating |
| APNA SUPERMARKET LTD | Leicester | A rating |
| APNA SUPERSTORE LTD | Nelson | A rating |
| APNA TRAD1NG LIMITED | Accrington | A rating |
| APNA TRAVEL & TOURS LTD | ROTHERHAM | A rating |
| Apna Tyres Ltd | Halifax | A rating |
| APOCOM KITCHEN COMMUNITY INTEREST COMPANY | Glasgow | A rating |
| Apogee Corporation Ltd | Maidstone | A rating |
| Apoha Limited | London | A rating |
| Apolitical Group Limited | London | A rating |
| Apollo & Daphne Ltd | London | A rating |
| Apollo Bakery Limited | London | A rating |
| APOLLO BEDS LIMITED | Batley | A rating |
| APOLLO CARE & SUPPORT LTD | LEICESTER | A rating |
| Apollo Clinics Ltd | Bexley | A rating |
| Apollo Dental Services Ltd | London | A rating |
| Apollo Education UK Limited | Crewe | A rating |
| Apollo Enterprise Strategies UK Ltd | London | A rating |
| Apollo Fire Detectors Limited | Havant | A rating |
| APOLLO GALLERIES Ltd | London | A rating |
| APOLLO HEALTHCARE & TRAINING LTD | Bolton | A rating |
| Apollo Hospitality (Portobello) Limited | Edinburgh | A rating |