| Algiz Technology Limited | Birmingham | A rating |
| ALGN Advisory LTD | London | A rating |
| Algo Stack Limited | London | A rating |
| Algo1 Limited | London | A rating |
| Algolia Limited | London | A rating |
| Algomarketing Ltd | London | A rating |
| Algomo Limited | London | A rating |
| AlgoRhythm London Limited | London | A rating |
| Algorial Retail Limited | Kent | A rating |
| Algorithmic Strategies (UK) Ltd. | London | A rating |
| Algorithms Software UK Ltd | London | A rating |
| ALGORIUM LIMITED | London | A rating |
| Algreen Ltd | London | A rating |
| ALH LITTLE GADDESDEN LIMITED | BERKHAMSTEAD | A rating |
| Alhaayaat Ltd | Leicester | A rating |
| ALHAJI FOODS LTD | LONDON | A rating |
| Alhambra Accounting Ltd | Birmingham | A rating |
| ALHAMBRA CARE LIMITED | Birmingham | A rating |
| Alhambra Care Limited T/A Elm Lodge Residential Care Home | Wakefield | A rating |
| ALHAMRA (NW) LTD | MANCHESTER | A rating |
| ALHAMRA SOLUTIONS LIMITED | LONDON | A rating |
| ALHAYAT LANGUAGES CENTRE | BLACKBURN | A rating |
| ALHIDAYA CROYDON | London | A rating |
| ALI & ALI LTD | London | A rating |
| Ali & Barrow Solicitors | London | A rating |
| Ali & Co Accountants Limited T/A Ali & Co Accountants | Luton | A rating |
| ALI & SONS (CAMBUSLANG) LIMITED | Glasgow | A rating |
| Ali & Sons (Scotland) Limited | Glasgow | A rating |
| ALI & SONS (SOUTHSIDE) LIMITED | Glasgow | A rating |
| ALI & SONS OATLANDS LIMITED | Glasgow | A rating |
| ALI BABA COSTCUTTER LIMITED | London | A rating |
| Ali Baba Magic Ltd | Hounslow | A rating |
| ALI BABA'S CAFE LTD | KENT | A rating |
| ALI BABA'S LTD | Southall | A rating |
| Ali Bhai Halal Butcher Ltd | Leicester | A rating |
| ALI BROTHERS BEDFORD LTD T/A DESHI SPICE | Bedfordshire | A rating |
| ALI BROTHERS LIMITED | Birmingham | A rating |
| Ali Brothers Produce LTD | Luton | A rating |
| ALI BROTHERS PROPERTIES LIMITED | Birmingham | A rating |
| Ali Cash and Carry | London | A rating |
| Ali Choudhary & Co | Leeds | A rating |
| Ali Commercials Limited | Manchester | A rating |
| Ali Family Caterers Ltd T/A The Merchants of Spice | Norwich | A rating |
| ALI FAMILY PLUS CATERERS LTD T/A THE MERCHANTS OF SPICE | Norwich | A rating |
| Ali Food and Butchers LTD | Guildford | A rating |
| ALI FOOD STORE LTD T/A ALI FOOD STORE | NOTTINGHAM | A rating |
| Ali Groceries Ltd | Glasgow | A rating |
| Ali Hair Dressers | Barking | A rating |
| ALI HALAL MEAT & FISH LTD | LONDON | A rating |
| Ali Halal Meats Limited | Northwood | A rating |
| Ali Ibrahim Associates Limited | St Albans | A rating |
| ALI MOTORS BODYWORK LTD | Birmingham | A rating |
| Ali News Store Ltd | Glasgow | A rating |
| ALI NOOR PRIVATE LIMITED | Nottingham | A rating |
| ALI PANEL PAINTING LTD | DAGENHAM | A rating |
| ALI RAJ TANDOORI RESTAURANT LTD | KENT | A rating |
| ALI STEEL & FABRICATIONS LTD | Leicester | A rating |
| ALI SUPERMARKET LTD | NEWMARKET | A rating |
| ALI TANDOORI LTD | Carlisle | A rating |
| ALI TEXTILES GLOBAL LTD | Southall | UK Expansion Worker: Provisional |
| ALI TRANSPORT SERVICES LIMITED | Mitcham | A rating |
| ALI ZAYAN LTD | Birmingham | A rating |
| ALI-CE EXP LTD | Elgin | A rating |
| ALI'S BANGLA KITCHEN LTD | Essex | A rating |
| ALI'S BODYWORK LTD | London | A rating |
| ALI'S FOOD LIMITED | Glasgow | A rating |
| ALI'S HAIR STUDIO | Bradford | A rating |
| ALI'S INN LTD T/A NEW OSCAR LODGE | WINDSOR | A rating |
| ALI'S LOUNGE LTD | Wakefield | A rating |
| ALI'S MOTORS LTD | BIRMINGHAM | A rating |
| Ali's Superstore (North East) Limited | Middlesborough | A rating |
| ALIANCE FOOD STORE LIMITED | LONDON | A rating |
| Alianza UK Technologies Limited | Cambridge | A rating |
| Aliaxis Holding UK Limited | Lenham | A rating |
| ALIBABA CLOUD (EUROPE) LIMITED | London | A rating |
| Alibaba E-Commerce (UK) Limited | London | A rating |
| Alibaba Eats Ltd | Alton | A rating |
| Alicare Solutions Limited | London | A rating |
| Alice and Olivia UK Limited | London | A rating |
| Alice Blu Aero Ltd | Armagh | A rating |
| ALICE HOPKINS LTD | Keighley | A rating |
| Alice Naylor-Leyland Ltd | Lynch Wood | A rating |
| Alicelyn Health Care Limited | Rotherham | A rating |
| ALICIS LONDON LIMITED | London | A rating |
| Alico Petroleum Ltd | Stoke Poges | A rating |
| Alicorn Limited | London | A rating |
| Alida Solutions Ltd | London | A rating |
| Alie Limited t/a Alie Healthcare Limited | Wolverhampton | A rating |
| Alien Prose UK Limited | Birmingham | A rating |
| Alif Moosajee Ltd Trading as Oakdale Dental | Leicester | A rating |
| Alif Taste of Lahore Ltd | Edinburgh | A rating |
| Aliflammeem Ltd | Feltham | A rating |
| ALIFYA EDUCATION LTD | London | A rating |
| Alighieri LTD | London | A rating |
| ALIGHT FIRE SYSTEM LIMITED | Harrow | A rating |
| Align & Smile Limited | London | A rating |
| Align 4 Life Sevenoaks Ltd | Sevenoaks | A rating |
| Align Communications International Ltd. | London | A rating |
| ALIGN LOGISTICS LTD | Southall | A rating |
| ALIGN RECRUITMENT NORTHWEST LTD | Liverpool | A rating |
| Align Spinal Health Ltd | Stockport | A rating |
| Align Technology UK Limited | Solihull | A rating |
| Align-Alytics UK Ltd | LONDON | A rating |
| Aligndent ltd | Ashford | A rating |
| Aligne Technologies Ltd | London | A rating |
| Aligned AI Limited | Thame | A rating |
| ALIHAQ TIMBER & ROOFING SUPPLIES LTD | Smethwick | A rating |
| Aliiance Estates LTD | Telford | A rating |
| ALIIZOR LTD T/A LIZOR CARE CONCEPT | TIDWORTH | A rating |
| ALIM FOOD CENTRE LTD | Northampton | A rating |
| ALIM SPICE LTD t/as BALTI HOUSE | Brentwood | A rating |
| Alimak Group UK Ltd | Rushden | A rating |
| Alimentary Innervationsl Ltd t/a The Functional Gut Clinic | London | A rating |
| Alimetry UK Limited | London | A rating |
| Alina & Jamila London Ltd | Havering | A rating |
| Alinea International Ltd | London | A rating |
| ALINED CONSTRUCTION LTD | Lancs | A rating |
| Alinor Capital Management LLP | LONDON | A rating |
| Alipay (UK) Limited | London | A rating |
| ALIS ACCOUNTAX & CO LTD | London | A rating |
| ALIS BARBER SHOP LTD T/A Ali Barbers | London | A rating |
| ALIS GLOBAL LTD | London | A rating |
| Alis Healthcare Limited | London | A rating |
| Alisha Construction Ltd | Crewe | A rating |
| Alisha UK Limited | East Molesey | A rating |
| Alishaan | Cottingham | A rating |
| Alishaan Indian Restaurant | Worthing | A rating |
| ALISHAAN LIMITED | Leeds | A rating |
| ALISHAH FOODS LTD | GLASGOW | A rating |
| Alison Brooks Architects Limited | London | A rating |
| Alison Education UK Ltd. | Houslow | A rating |
| ALISON HOLDINGS LTD T/A KASPAS DESSERTS | Kent | A rating |
| ALISON JACQUES LIMITED | London | A rating |
| Alison Kay Fishing Company Limited | Lerwick | A rating |
| Alisons Ltd | Skegness | A rating |
| Alistair Burroughs Design Partnership Limited | Cardiff | A rating |
| Alistair Downie Limited | Gloucester | A rating |
| Alistair Management Services Limited | London | A rating |
| ALITER CONSULTING LIMITED | Leeds | A rating |
| Ality Private Office Ltd | London | A rating |
| Alium Consultancy Ltd | London | B rating |
| Alive Believers Centre | Liverpool | A rating |
| Alive Church Lincoln | Lincoln | A rating |
| ALIVE HEALTHCARE SOLUTIONS LTD | 6 COUNTY BUSINESS PARK, NORTHALLERT | A rating |
| Alive Industries Limited | Sutton | A rating |
| Alively World Ltd | London | A rating |
| ALIVIAR FINANCIAL LTD | Welwyn Garden City | A rating |
| Alixa Trading Ltd | London | A rating |
| AlixPartners UK LLP | London | A rating |
| Alixss Limited | London | A rating |
| Aliyanas Official Ltd | Bradford | A rating |
| ALIZ FIX PRICE LTD | LONDON | A rating |
| ALIZ WORLD LTD | LUTON | A rating |
| Aliza Business Academy | Birmingham | A rating |
| Alk Vehicle Solutions Ltd | Grays | A rating |
| ALK-Abello Limited | Reading | A rating |
| Alkagesta (UK) Limited | Mayfair | A rating |
| Alkaia Ltd | Ipswich | A rating |
| Alkaro Hospitality Ltd | Newcastle upon Tyne | A rating |
| ALKAS SUPERMARKET LTD T/A RODING FOOD & WINE | ESSEX | A rating |
| Alken Finance LLP | London | A rating |
| ALL 4 HEALTH LTD | Aylesbury | A rating |
| All about Care (South West) Limited | Dorchester | A rating |
| ALL ABOUT CARE LIMITED | Kent | A rating |
| All about laptops Ltd | LONDON | A rating |
| ALL ABROAD EDUCATION UK LTD | London | A rating |
| ALL BEDDING COMPONENTS LIMITED | Bradford, | A rating |
| All Behaviour Consultancy | Windsor | A rating |
| ALL BIKE SOLUTIONS LTD | London | A rating |
| All Care (South Wales) | Barry | A rating |
| All Care Services Ltd | Livingston | A rating |
| ALL CARS & SERVICES LIMITED | Leighton Buzzard | A rating |
| All City Media Limited | London | A rating |
| All Conditions Media Ltd | Hove | A rating |
| ALL CONSTRUCT LIMITED | London | A rating |
| ALL CREATIVE BRANDING LIMITED | London | A rating |
| All Creatures Battersea Ltd | London | A rating |
| All Cube Ltd | Caterham | A rating |
| ALL CUISINES CATERING LTD t/a KOKU SHI | Kirkcaldy | A rating |
| All Custom Roofing Ltd | Egham | A rating |
| All Day Care Services ltd | Norwich | A rating |
| ALL DAY RETAIL LIMITED | Oxford | A rating |
| All Ears Promotions Limited | London | A rating |
| All Eat App Network Technology Incorporated Ltd | Croydon | A rating |
| All England Netball Association Limited | Loughborough | A rating |
| All For Christ International Ministry | Reading | A rating |
| All For You Services Ltd | London | A rating |
| All Global Media Limited | London | A rating |
| ALL GRACE AFRICAN MARKET AND FOODS LTD | CLACTON - ON - SEA | A rating |
| All Greens Wholesale Limited | London | A rating |
| All Grow Ltd | Cheriton | A rating |
| All Hallows Bow | London | A rating |
| ALL HEALTH CARE SERVICES LIMITED | Walsall | A rating |
| All Home Care T/A Right At Home Basingstoke & District | Basingstoke | A rating |
| ALL IN 1 MOT LTD | NEWPORT | A rating |
| All In All Solutions Limited | Swindon | A rating |
| All In One Builders England Ltd | London | A rating |
| ALL IN ONE EXPRESS | Liverpool | A rating |
| ALL IN ONE LIVERPOOL LTD | Liverpool | A rating |
| All In One Marketing Ltd | St Albans | A rating |