| BPST LTD | Bexleyheath | A rating |
| BPTW LLP | London | A rating |
| BPX Electro Mechanical Co Lt | Rothley | A rating |
| BQC (WOODGREEN) LTD | London, | A rating |
| BQFS2 LIMITED | London | A rating |
| BQFS3 LIMITED | London | A rating |
| BQM CARPENTRY LTD | Bexleyheath | A rating |
| BR AYSGARTH LIMITED | Leyburn | A rating |
| BR Cuisine Ltd t/a Baburchi Restaurant | Wolverhampton | A rating |
| BR DEVELOPERS LTD | Harrow | A rating |
| BR EDUTECH LTD | Kingston | A rating |
| BR MOTORS CLAIM MANAGEMENT LTD | LONDON | A rating |
| BR Overseas UK Limited | WOLVERHAMPTON | A rating |
| BR SPICES LTD T/A Currys Dosa | London | A rating |
| BR&Me Limited trading as BrandMe Limited | London | A rating |
| Br3akfree Limited | ILFORD | A rating |
| BR3WERY LTD | Beckenham | A rating |
| BRAAI SHACK LTD | Milton Keynes | A rating |
| Braavos Investment Advisers LLP | London | A rating |
| Brabant Limited | Cheadle Hulme | A rating |
| Brabers Consultancy Ltd | London | A rating |
| Brabners LLP | Liverpool | A rating |
| Brabyns House Limited | Stockport | A rating |
| BRAC Saajan Exchange Limited | Birmingham | A rating |
| BRACE | Bristol | A rating |
| Brace Creative Agency Ltd | GLOUCESTER | A rating |
| Braceborough Hall Care Home LTD LTD | Stamford | A rating |
| Braceborough Hall Retirement Home | Stamford | A rating |
| Bracebridge Heath Cricket Club | Lincoln | A rating |
| Bracebridge Operations Wigan Limited | London | A rating |
| BRACEBRIDGE TANDOORI LTD T/A ZAYAN TANDOORI | Lincoln | A rating |
| BRACEWELL (UK) LLP | London | A rating |
| Brackenlea Care Homes Ltd | Winchester | A rating |
| Brackenwood Polo Ltd | Midhurst | A rating |
| Bracket Group Limited | London | A rating |
| Brackley Spice Limited T/A Spice Lounge | Brackley | A rating |
| Bracknell Forest Borough Council | Bracknell | A rating |
| Bracknell Islamic Cultural Society | Bracknell | A rating |
| Bracknell Specsavers Hearcare Limited | Bracknell | A rating |
| Bracknell Stores | Bracknell | A rating |
| BRACKNELL STORES LIMITED | Ilkeston | A rating |
| Bracknell Tangs Management Ltd | Bracknell | A rating |
| BracStan Installations Ltd | Stafford | A rating |
| Brad Enterprise Limited T/A Phone Junkies | Taunton | A rating |
| Bradberrys Solicitors LLP | Hayes | A rating |
| Bradbury Stell | Teddington | A rating |
| Bradbury Street Limited | London | A rating |
| Bradcare Ltd | Swadlincote | A rating |
| BRADDICKS LEISURE LIMITED | Bideford | A rating |
| Bradeney House Care Home | Bridgnorth | A rating |
| BRADESCO SECURITIES UK LIMITED | LONDON | A rating |
| Bradfield & Rougham Baptist Church | BURY ST EDMUNDS | A rating |
| Bradfield College | Reading | A rating |
| Bradfield Cricket Club | North Walsham | A rating |
| BRADFIELD STORAGE HANDLING LTD | ripley | A rating |
| Bradford & Bingley Cricket Club | Bingley | A rating |
| Bradford 2025 | Bradford | A rating |
| Bradford Academy | Bradford | A rating |
| Bradford Asian Radio Limited Company | Bradford | A rating |
| Bradford Bulls 2017 Ltd | BRADFORD | A rating |
| Bradford Children & Families Trust | Bradford | A rating |
| Bradford Chinese Christian Church | Ilkley | A rating |
| Bradford City Football Club | Bradford | A rating |
| Bradford District Care Trust NHS | Bradford | A rating |
| Bradford Dragons | Glusburn | A rating |
| BRADFORD FOOD SERVICES LTD | BRADFORD | A rating |
| BRADFORD GRINDERS (U.K.) LIMITED | Bradford,West Yorkshire | A rating |
| Bradford Management Services LLP | Leeds | A rating |
| Bradford Metropolitan District Council | Bradford | A rating |
| Bradford Mini Market | Dudley | A rating |
| BRADFORD MOTOR WORKS LIMITED | Bradford | A rating |
| Bradford Paper Converters | Bradford | A rating |
| Bradford Road Car Sales Ltd | Manchester | A rating |
| Bradford Sports & Kabaddi Club Ltd | Bradford | A rating |
| Bradford Sports Centre Limited | Bradford | A rating |
| Bradford Swissport Limited | West Drayton | A rating |
| Bradford Teaching Hospitals NHS Foundation Trust | Bradford | A rating |
| BRADING SUPER MARKET | Brading | A rating |
| BRADLEY BUILDING SUPPLIES LTD | Burnley | A rating |
| Bradley Murphy Design Limited | Hatton | A rating |
| Bradley Service Station Ltd | Maghera | A rating |
| Bradley Stoke Specsavers Hearcare | Bristol | A rating |
| Bradley Stoke Visionplus Limited | Bradley Stoke | A rating |
| Bradley-Hole Schoenaich Landscape Architects Limited | London | A rating |
| Bradleys | London | A rating |
| Bradnet Ltd | Bradford | A rating |
| Bradninch Cricket Club | Exeter | A rating |
| BRADSHAW CRICKET TENNIS & BOWLING CLUB | Bolton | A rating |
| Bradshaw Manor Care LTD | Rhyl | A rating |
| Bradstock Consulting Engineers Ltd | Edenbridge | A rating |
| BRADSTOWE LIMITED | Kent | A rating |
| Bradwell Hall Nursing Home Limited | Newcastle Under Lyme | A rating |
| Brady Bags Ltd | Streetly | A rating |
| Brady Corporation Limited | Banbury | A rating |
| Brady Technologies Limited | London | A rating |
| Brady Williams Ltd | London | A rating |
| Brae Stores Limited | Shetland | A rating |
| Braeburn Home | Edinburgh | A rating |
| Braehead Medical Practice | Renfrew | A rating |
| Braemac Limited | Warrington | A rating |
| Braemar ACM Shipbroking Limited | London | A rating |
| Braemar RCH Ltd | Portsmouth | A rating |
| Braeriach Hotel Inn Ltd | Newtonmore | A rating |
| Braeriach Ltd | Glasgow | A rating |
| Braeside HFE LTD | Oswaldtwistle | A rating |
| Brafe Engineering | ipswich | A rating |
| Bragg Gaming Group - Group Services Ltd | London | A rating |
| BRAHAM GLAZING LTD | Slough | A rating |
| BRAHMA 5 LIMITED T/A BELGRAVE FLORIST | LEICESTER | A rating |
| Brahma Kumaris World Spiritual University (UK) | London | A rating |
| Braich Investments Ltd | Kettering | A rating |
| Braidr Limited | London | A rating |
| Braime Pressings Ltd | LEEDS | A rating |
| Brain Analytics | London | A rating |
| Brain Audio Ltd | London | A rating |
| BRAIN BOOSTERS ACADEMY GB LIMITED | Luton | A rating |
| BRAIN BRIDGE TECHNOLOGY LIMITED | Brentwood | A rating |
| brain feed ltd | Manchester | A rating |
| Brain Freeze Falkirk Ltd | Falkirk | A rating |
| Brain Labs Digital Ltd | London | A rating |
| Brain Payroll UK Limited | Leeds | A rating |
| Brain Source International Limited | London | A rating |
| Brain Tumour Research | Milton Keynes | A rating |
| Brainbox Ltd | Cardiff | A rating |
| Brainbug Ltd | Nottingham | A rating |
| Brainch Brothers | Birmingham | A rating |
| Brainco limited | Slough | A rating |
| Brainerd Limited | Lancing | A rating |
| BRAINFLOSS UK PRIVATE LIMITED | Morden | A rating |
| Braingaze Ltd | New Malden | A rating |
| Brainlab Ltd | Cambridge | A rating |
| Brainlinx Limited | London | A rating |
| Brainomix Limited | Oxford | A rating |
| BRAINPATCH LTD | Cambridge | A rating |
| BRAINPOOL LTD | London | A rating |
| Brains Hub Ltd | Slough | A rating |
| BRAINSTATION LEARNING LIMITED | London | A rating |
| Brainstorm Mobile Solutions Ltd | London | A rating |
| Braintree Dental Studio | Braintree | A rating |
| Braintree District Council | Braintree | A rating |
| BRAINTREE LIMITED | Kent | A rating |
| Braintree Specsavers Limited T/A Specsavers Opticians | Braintree | A rating |
| Brainwave Business Consultants Ltd | Portsmouth | A rating |
| Braithwate Ltd | London | A rating |
| BRAJ CARE SOLUTIONS LIMITED | Rainham | A rating |
| Bralo UK Ltd | WEDNESBURY | A rating |
| BRAMA CAPITAL ADVISORS LTD | London | A rating |
| Brama Care Ltd | Ipswich | A rating |
| Bramah Security Centres Limited | London | A rating |
| Bramall Lane Off Licence Limited | Sheffield | A rating |
| Bramble Cottage Retirement Home | Brighton | A rating |
| Bramble Energy | Crawley | A rating |
| Bramble Home Care Ltd | Staverton | A rating |
| Bramblehaies Partnership | CULLOMPTON | A rating |
| Brambles Care Home LTD | Leigh On Sea | A rating |
| Brambles Holdings (UK) Limited | Weybridge | A rating |
| Brambletye School Trust Limited | East Grinstead | A rating |
| Bramblings (Kent) Limited | Longfield | A rating |
| Bramerton Trading Company Ltd | London | A rating |
| Bramford Ltd | Camberley | A rating |
| BRAMHA AND COMPANY | Feltham | A rating |
| Bramhall Gourmet Ltd T/A Turquoise Cafe Patisserie | Stockport | A rating |
| BRAMHAM PROPERTIES LTD | Uxbridge | A rating |
| Bramley Health Limited | Croydon | A rating |
| Bramley Home Care Limited | Shaftesbury | A rating |
| Bramley House | Mere | A rating |
| Bramley Village Health & Wellbeing Centre | Leeds | A rating |
| Brampton College | London | A rating |
| Brampton Manor Trust | London | A rating |
| Brampton Medical Practice | Brampton | A rating |
| BRANCASTER CARE HOMES LIMITED | Warrington | A rating |
| BRANCASTER HOMECARE LIMITED | Kendal | A rating |
| Branch Austin McCormick LLP | London | A rating |
| Branch Cider Ltd | Bristol | A rating |
| Branch Metrics UK Ltd | London | A rating |
| Branchspace Limited | London | A rating |
| BRANCO FLEX LIMITED | Salford | A rating |
| Brand & Deliver Marketing Limited | Flamstead | A rating |
| Brand Apps Limited | Harrogate | A rating |
| Brand Communication Creatives UK Ltd | London | A rating |
| Brand Delta Limited | London | A rating |
| Brand Design Hub LTD | London | A rating |
| Brand Design Lab (Limited) | Lutterworth | A rating |
| Brand Energy & Infrastructure Services UK, Ltd | Leatherhead | A rating |
| Brand Evangelists For Beauty Ltd | Nottingham | A rating |
| BRAND FACTORY LTD | Aylesbury | A rating |
| Brand Finance Plc | Cornwall | A rating |
| Brand Fuel Ltd | London | A rating |
| Brand Genetics Limited | London | A rating |
| BRAND GLOBAL LTD | LEICESTER | A rating |
| Brand Ice Ltd | London | A rating |
| Brand Machine International Limited | London | A rating |
| Brand Port Europe Ltd | Uckfield | A rating |
| Brand Potential Limited | Windsor | A rating |
| Brand Power Limited | London | A rating |
| Brand Russell Chemists LTD | Barnet | A rating |
| Brand Traction Limited | London | A rating |
| Brand Up Consulting Limited | London | A rating |
| BRAND WASABI LIMITED | DARTFORD | A rating |
| BRANDA LTD | London | A rating |