| Biodiversify Ltd. | NEWARK | A rating |
| Bioethanol-fireplace Limited | London | A rating |
| Biofidelity Limited | Cambridge | A rating |
| BioGaia UK Ltd | Preston | A rating |
| Biogen (UK) Ltd | Bedford | A rating |
| Biogen Idec Limited | Maidenhead | A rating |
| Biogen Restaurant Limited | London | A rating |
| BioGrad Ltd | Liverpool | A rating |
| Biographica Ltd | London | A rating |
| BIOINNO UK LIMITED | London | A rating |
| BioInteractions Limited | Arborfield Cross | A rating |
| BIOLAB LONDON LTD | London | A rating |
| Bioliberty Ltd | Edinburgh | A rating |
| Bioline Agrosciences Ltd. | Little Clacton | A rating |
| BiologIC Technologies | Soham | A rating |
| Bioluminux Ltd | Milton Keynes | A rating |
| BIOMAPAS UK LTD | London | A rating |
| BioMar | Grangemouth | A rating |
| BioMarin (UK) Limited | London | A rating |
| BIOMARKER TECHNOLOGIES (BMKGENE) UK LTD | Cheshire | A rating |
| Biome9 Limited | Kettering | A rating |
| Biomed Laboratory Ltd | Milton Keynes | A rating |
| bioMerieux UK Limited | Hampshire | A rating |
| Biomet UK Healthcare Ltd | Mid Glamorgan | A rating |
| Biometrics Innovations Limited | Cheltenham | A rating |
| Biomodal Limited | Little Chesterford | A rating |
| Bion Solutions Limited | London | A rating |
| Bionema Limited | Swansea | A rating |
| BIONIC ASSOCIATES LTD | Birmingham | A rating |
| Bionic Services Limited | London | A rating |
| Bionical Solutions Ltd | Derby | A rating |
| BIONIQ HEALTH TECH-SOLUTIONS LTD | LONDON | A rating |
| BioNTech UK Limited | London | A rating |
| Biopak (UK) Ltd | Worcester | A rating |
| BioPartner UK | London | A rating |
| Biopharm Services Ltd | Chesham | A rating |
| Biopharma Process Systems | Winchester | A rating |
| Bioptix Ltd | Witney | A rating |
| BioQuest Solutions Pvt Limited | London | A rating |
| Biorbyt Ltd | Cambridge | A rating |
| Bioregional Development Group | London | A rating |
| Biorelate Ltd | Manchester | A rating |
| Biorelevant.com Ltd | London | A rating |
| Bioren Ltd trading as Planet Organic | London | A rating |
| BIOS Health Ltd | Cambridge | A rating |
| BIOS MANAGEMENT LIMITED (TRADING ADDRESS) | LONDON | A rating |
| Bioscript Stirling | Macclesfield | A rating |
| Biosil Ltd | Cumbernauld | A rating |
| Biosimilars Newco Limited | London | A rating |
| BIOSPHERE HERBAL LTD | Northampton | A rating |
| Biosus Energy | Aberdeen | A rating |
| Biosus Energy Ltd | Aberdeen | A rating |
| Biosynth Limited | Newbury | A rating |
| Biotech Consultants Limited (BTCL) | London | A rating |
| Biotrial International Limited | London | A rating |
| Biotronics 3D Limited | London | A rating |
| Biotronik UK Limited | Bicester | A rating |
| Biovantic Medical Limited | Hitchin | A rating |
| Biovela UK Ltd | London | A rating |
| Bioventus UK Limited | London | A rating |
| BioWatt Site Services Ltd | Bedford | A rating |
| BIOXYDYN LIMITED | Manchester | A rating |
| BIP CONSULTING UK LIMITED | London | A rating |
| BiP Solutions Limited | Glasgow | A rating |
| Bipa Limited | seaton | A rating |
| BIPROCSI LTD | London | A rating |
| Bipsync UK Ltd | Cardiff | A rating |
| BIPV Limited | Newport | A rating |
| BIR CONTRACTORS LTD | London | A rating |
| Bira care homes ltd TA Avenue road Nursing Home | Abergavvany | A rating |
| Birbeck Medical Group | Penrith | A rating |
| Birch Airfield Composting Services Ltd | Colchester | A rating |
| Birch Assist Ltd t/a Bluebird Care | Slough | A rating |
| Birch Care Ltd | Stockport | A rating |
| Birch Grove Capital (UK) Limited | London | A rating |
| Birch Tree Manor | Port Sunlight | A rating |
| Birches Head Medical Centre | Stoke-on-Trent | A rating |
| Birchester Care Limited | Peterbrough | A rating |
| Birchfield Dental Practice | Birmingham | A rating |
| Birchfield Engineering Limited | Dudley | A rating |
| BIRCHFIELD FAMILY BUTCHERS LIMITED | Birmingham | A rating |
| BIRCHFIELD HOTEL LTD | Catford | A rating |
| Birchfield Residential Care Home Limited | Blackburn | A rating |
| Birchfield School | Wolverhampton | A rating |
| Birchgrove Management Services Limited | Hook Heath | A rating |
| Birchgrove Mini Market & Post Office | Swansea | A rating |
| Birchills Health Centre | Walsall | A rating |
| Birchlands (Haxby) Limited | Haxby | A rating |
| BIRCHLEY SUPPLIES LTD | Coventry | A rating |
| Birchtree care Limited | london | A rating |
| Birchtree Sullivan Limited | London | A rating |
| BIRCHWOOD CHILDRENS SERVICES LIMITED | WARRINGTON | A rating |
| Birchwood Dental Practice | Warrington | A rating |
| Birchwood High School | Bishops Stortford | A rating |
| Birchwood Homecaring Services Ltd | Ripley | A rating |
| Birchwood Medical Centre | Warrington | A rating |
| Birchwood Medical Practice | Norwich | A rating |
| Bird & Bird LLP | London | A rating |
| Bird Dog Grooming Ltd | London | A rating |
| BIRD EYE SECURITY FORCES LTD | LONDON | A rating |
| Bird On The Wire Events | London | A rating |
| Bird Overseas Holdings Limited | London | A rating |
| Birdeye UK Limited | London | A rating |
| Birdfynn Accountants Ltd | Wembley | A rating |
| Birdi Ltd | Glasgow | A rating |
| Birdie Care Services Limited | London | A rating |
| BIRDLIFE INTERNATIONAL | CAMBRIDGE | A rating |
| BIRDMILK ONE LIMITED | London | A rating |
| Birdquest Ltd | Clitheroe | A rating |
| Birds and Animals UK Ltd | tring | A rating |
| BIRDS VIEW PROPERTY INVESTMENTS LTD | London | A rating |
| Birdsall Decarbonisation Limited | Hemel Hempstead | A rating |
| Birdsall Services | Hemel Hempstead | A rating |
| BIRDSEYE SECURITY SERVICES LTD | Grays | A rating |
| BirdsEyeView Technologies Limited | London | A rating |
| Birdview Logistics Limited | Liverpool | A rating |
| Birgit Holistic Vet LTD | Groombridge | A rating |
| Birk Beck CostCutter Ltd | Middlesex | A rating |
| Birkbeck College | London | A rating |
| Birkby Dental Care Limited | Huddersfield | A rating |
| Birkby Medical Ltd | Huddersfield | A rating |
| Birkby Rose Hill Cricket Club | Huddersfield | A rating |
| Birkdale Park Nursing Home | Southport | A rating |
| Birkdale Village Care Home | Southport | A rating |
| Birkenhead Park Cricket Club | PRENTON | A rating |
| Birkenhead Specsavers Hearcare Ltd | Birkenhead | A rating |
| Birkenstock UK Ltd | London | A rating |
| Birketts LLP | Chelmsford | A rating |
| Birklean Detailing Ltd T/A Birklean Detailing | Uxbridge | A rating |
| Birl Technology Ltd | Liverpool | A rating |
| Birla Technologies Limited | Harrow | A rating |
| Birlasoft (UK) Ltd | London | A rating |
| BIRLASOFT SOLUTIONS LIMITED | London | A rating |
| Birlinn Limited | Edinburgh | A rating |
| Birmanti Ltd | Solihull | A rating |
| Birmingham & Solihull Mental Health Foundation NHS Trust | Birmingham | A rating |
| Birmingham 0220 Ltd t/a Ming Moon Chinese Restaurant & Bar | Birmingham | A rating |
| Birmingham Airport | Birmingham | A rating |
| Birmingham Airport Hotels Ltd | Marston Green | A rating |
| Birmingham Audio Visual LTD. | Birmingham | A rating |
| Birmingham Auto Centre Limited | Birmingham | A rating |
| Birmingham AV LTD | Bromsgrove | A rating |
| Birmingham Buddhist Vihara Trust | Birmingham | A rating |
| BIRMINGHAM BUILDERS LIMITED | Birmingham | A rating |
| BIRMINGHAM CAR TRADE LTD | Birmingham | A rating |
| BIRMINGHAM CARS LTD | Birmingham | A rating |
| Birmingham Central Ventures Ltd | Birmingham | A rating |
| Birmingham Chamber of Commerce & Industry | Birmingham | A rating |
| Birmingham Children's Trust | Birmingham | A rating |
| Birmingham Chinese Evangelical Church (BCEC) | Birmingham | A rating |
| Birmingham Christian College | Birmingham | A rating |
| Birmingham City Council, Corporate | Birmingham | A rating |
| Birmingham City Football Club Limited | Birmingham | A rating |
| Birmingham City Mission | Birmingham | A rating |
| Birmingham City Students' Union | Birmingham | A rating |
| Birmingham City University | Birmingham | A rating |
| Birmingham City Women Football Club Limited | Birmingham | A rating |
| Birmingham Clinic Group T/A Central Clinic | Oldbury | A rating |
| Birmingham Community Healthcare NHS Foundation Trust | Birmingham | A rating |
| Birmingham Diamond Nails Limited T/A Diamond Nails | Birmingham | A rating |
| Birmingham Heating LTD | Birmingham | A rating |
| Birmingham High Performance Turbomachinery Limited | Birmingham | A rating |
| Birmingham Hippodrome Theatre Trust | Birmingham | A rating |
| BIRMINGHAM HOUSING C.I.C | Birmingham | A rating |
| Birmingham Industrial Therapy Association Limited | Birmingham | A rating |
| Birmingham Jami Masjid & Islamic Centre | Birmingham | A rating |
| Birmingham Jewish Community Care | Birmingham | A rating |
| Birmingham Joinery Ltd | Birmingham | A rating |
| Birmingham Karma Ling | Birmingham | A rating |
| BIRMINGHAM KOREAN CHURCH | BIRMINGHAM | A rating |
| BIRMINGHAM MOSQUE TRUST LTD | BIRMINGHAM | A rating |
| Birmingham Museums Trust | Birmingham | A rating |
| BIRMINGHAM MUSLIM FOUNDATION LTD | Birmingham | A rating |
| Birmingham Newman University | Birmingham | A rating |
| Birmingham Opera Company | Birmingham | A rating |
| Birmingham Panthers Ltd | Aldridge | A rating |
| Birmingham Pentecostal Fellowship | Birmingham | A rating |
| Birmingham Periodontal & Implant Centre | Birmingham | A rating |
| Birmingham Phoenix | Birmingham | A rating |
| Birmingham Phoenix Limited | Birmingham | A rating |
| Birmingham Physiocare LTD | Birmingham | A rating |
| BIRMINGHAM RAW PET FOOD LIMITED | Birmingham | A rating |
| Birmingham Repertory Theatre Ltd | Birmingham | A rating |
| Birmingham Roman Catholic Diocese | Birmingham | A rating |
| Birmingham Royal Ballet | Birmingham | A rating |
| BIRMINGHAM SPEEDWAY 2022 LTD | WILLENHALL | A rating |
| Birmingham Supported Housing Ltd | Birmingham | A rating |
| Birmingham tamatanga Ltd | Birmingham | A rating |
| Birmingham Transport Solutions Limited | Coventry | A rating |
| BIRMINGHAM TRAVEL LTD | Birmingham | A rating |
| Birmingham Women's and Children's NHS Foundation Trust | Birmingham | A rating |
| Birmingham Zion Church of the Nazarene | Birmingham | A rating |
| Birnat Ltd trading as Applejacks The Health Shop | Stratford | A rating |
| Birnberg Peirce Limited | London | A rating |
| BIRRIBI | Narberth | A rating |
| Birstall Cabs Ltd | Birstall | A rating |
| Birstall Cricket Club | Batley | A rating |
| Birstall Homes ltd | Leicester | A rating |
| Birstall Medical Centre | Leicester | A rating |
| Birtenshaw | Bolton | A rating |