| BLUE TICKS LOGISTICS LIMITED | Buckinghamshire | A rating |
| Blue Tiger Coffee Ltd | LONDON | A rating |
| Blue Tomato Accounting Ltd | East Malling | A rating |
| Blue Tool Box Limited | Bradford | A rating |
| BLUE TYRES LIMITED | Reading | A rating |
| Blue Ventures Conservation | Bristol | A rating |
| BLUE WATER ENERGY LLP | London | A rating |
| BLUE WATER FOOD LTD | Whitchurch | A rating |
| Blue Water Logistics UK Limited | Manchester | A rating |
| Blue Water Shipping UK LTD | Manchester | A rating |
| Blue Whale Capital LLP | London | A rating |
| Blue Whale Spa Ltd | Nottingham | A rating |
| BLUE WHALE SUPERMARKET LIMITED | Manchester | A rating |
| BLUE WIRE CAPITAL LTD | London | A rating |
| Blue Yonder Technology Solutions (UK) Limited | Bracknell | A rating |
| Blue Yonder Technology Solutions UK Limited | Bracknell | A rating |
| Blue Zoo Productions Ltd | London | A rating |
| Blueangle UK Limited | London | A rating |
| Bluebell Care at Home Ltd | Mold | A rating |
| Bluebell Daycare Nursery | Alperton | A rating |
| Bluebell Dental Practice Ltd | Ilford | A rating |
| Bluebell Developments Ltd | Carrickfergus | A rating |
| Bluebell Group Homes Ltd | Northampton | A rating |
| Bluebell Gwesty Limited T/A Bluebell Hotel Neath | Neath | A rating |
| Bluebell Healthcare ltd | Reading | A rating |
| BLUEBELL HOTEL AND GOLF CLUB | BELFORD | A rating |
| Bluebell Physiotherapy | Chatham | A rating |
| Bluebell Place Limited | Harrow | A rating |
| Bluebell Residential Home Ltd | Hull | A rating |
| Bluebell Restaurants Ltd | London | A rating |
| Bluebell Support Services Limited | King's Lynn | A rating |
| Bluebelt Hospitality Limited | Gairloch | A rating |
| BLUEBERRY CONSULTANCY LIMITED | MANCHESTER | A rating |
| Blueberry Kitchen Limited T/A Dhinchak Food | Croydon | A rating |
| Blueberry Production Limited | Birmingham | A rating |
| Blueberry Systems Limited | Gloucester | A rating |
| Blueberry Transitional Care Limited | Birmingham | A rating |
| BLUEBERRY TRAVELS LTD | Uxbridge | A rating |
| Blueberry Willow Limited | Bristol | A rating |
| BlueBinaries Engineering and Solutions Ltd | Woking | A rating |
| Bluebird Care (Bromsgrove & Redditch) | Bromsgrove | A rating |
| Bluebird Care Exeter | Exeter | A rating |
| Bluebird Care Leeds North | Leeds | A rating |
| Bluebird Care Manchester North & Salford T/as ATS MANCHESTER NORTH/SALFORD LTD | Manchester | A rating |
| Bluebird Care Peterborough | Stamford | A rating |
| Bluebird Care Shropshire | Shrewsbury | A rating |
| BLUEBIRD CARE STEVENAGE & NORTH HERTS | LETCHWORTH | A rating |
| Bluebird Care, Wandsworth, Clapham & Streatham | London | A rating |
| Bluebird IT Solutions Limited | High Wycombe | A rating |
| BLUEBIRD LONDON LIMITED | LONDON | A rating |
| BLUEBIRD SOLUTIONS LTD | London | A rating |
| BLUEBOARD CARE SERVICES LTD | Dagenham | A rating |
| Bluebolt Limited | London | A rating |
| Bluebox Collective Limited | London | A rating |
| BlueBox Worldwide Ltd. | Tunbridge Wells | A rating |
| BlueBridge One Business Solutions Limited | Addlestone | A rating |
| BLUECO HEALTHCARE LIMITED | Preston | A rating |
| BlueCrest Capital Management (UK) LLP | London | A rating |
| BlueCrest Capital Management LLP | London | A rating |
| Bluecrest Holdings ltd t/a SCJ Bibimbap and Chimaek | New Malden | A rating |
| BLUECROSSLIFECARE LTD | Manchester | A rating |
| Bluecube Cyber Security Solutions Limited | Milton Keynes | A rating |
| Bluecyte Ltd | Guildford | A rating |
| BLUEDENZ LTD | London | A rating |
| Bluedot Impact Limited | London | A rating |
| BlueDrive Global Investors LLP | London | A rating |
| BLUEFIELD SERVICES LIMITED | Bristol | A rating |
| Bluefin Talent Limited | London | A rating |
| BlueFloat Management UK Limited | London | A rating |
| Bluefriars Brokers Limited | Buntingford | A rating |
| Bluefront Care Ltd | Corby | A rating |
| Bluegem Capital Partners LLP | London | A rating |
| BLUEGRID TECHNOLOGY LTD | Peterborough | A rating |
| Blueground Furnished Apartments UK Ltd | London | A rating |
| Bluegrove Capital Management Limited | London | A rating |
| Bluejay Care Ltd | Birmingham, | A rating |
| Bluekong Networks Limited | Reading | A rating |
| BlueLattice.IO Ltd | London | A rating |
| BlueLayer Ltd | London | A rating |
| Blueleaf Consultants Ltd | Essex | A rating |
| Blueleys Ltd | AYLESBURY | A rating |
| Bluelight CRM Ltd | West Malling | A rating |
| Bluelight Healthcare Recruitment Limited | Essex | A rating |
| Blueline Healthcare Solutions Ltd | Bristol | A rating |
| Blueline Luxury Coach Limited | London | A rating |
| BLUELINE PVT LTD | Manchester | A rating |
| Blueloop Limited | Yeovil | A rating |
| Bluelotus Technologies Limited | Coventry | A rating |
| BlueMatrix Research Limited | London | A rating |
| Bluemax Technology Support Ltd. | Cambridge | A rating |
| Bluemethane Ltd | London | A rating |
| BLUEMOOR PROPERTIES LTD TA PRESTED HALL | Colchester | A rating |
| BlueNord Energy UK Ltd | London | A rating |
| BLUENWHITE LTD | London | A rating |
| BlueOptima Limited | London | A rating |
| BluePeak Capital LLP | London | A rating |
| BLUEPEEK LTD | London | A rating |
| BLUEPI PROPERTIES LIMITED | London | A rating |
| Bluepoint Accountancy Limited | London | A rating |
| Bluepoint Corporation Limited | Milton Keynes | A rating |
| Blueprint Architectural Design | Raunds | A rating |
| Blueprint Design Engineering Limited | Ulverston | A rating |
| Blueprint Gaming Limited | Newark | A rating |
| Blueprint Pictures Limited | London | A rating |
| Blueprint Sport Consulting Limited | Kington | A rating |
| Blueprint Talent Group Limited | London | A rating |
| Blueprint Technologies Limited | Newark On Trent | A rating |
| BLUERISE LIMITED TA THE CHAMBELI | LONDON | A rating |
| Bluerose Technologies Limited | London | A rating |
| BLUEROUTE FREIGHT LTD | West Bromwich | A rating |
| Bluesea Technology ltd | Ilford | A rating |
| BlueShift Online Limited | London | A rating |
| BlueSkeye AI LTD | Nottingham | A rating |
| Bluesky International Ltd | Ashby de la Zouch | A rating |
| BlueSky Relocation Limited | Slough | A rating |
| Bluesmart Ltd | Hertfordshire | A rating |
| Bluesmith Information Systems Ltd | Leeds | A rating |
| BLUESTAAR LIMITED TA Bargain Beers | Bristol | A rating |
| Bluestar Group Limited | London | A rating |
| BLUESTAR SOFTWARE LIMITED | Reading | A rating |
| Bluesteel Group UK Ltd | London | A rating |
| BLUESTONE ASSOCIATES LTD | London | A rating |
| Bluestone Consolidated Holdings Limited | Cambridge | A rating |
| Bluestone Energy Ltd | London | A rating |
| Bluestone Farming Limited | Duns | A rating |
| Bluestone FM Ltd | Ilford | A rating |
| Bluestone Landscapes Ltd | BOREHAMWOOD | A rating |
| Bluestone Law Ltd | London | A rating |
| Bluestone Planning Partnership LLP | Wantage | A rating |
| BLUESTONE RESORTS LIMITED | Narberth | A rating |
| Bluestone Travel Ltd | LONDON | A rating |
| Bluestonex Consulting Ltd | OSWESTRY | A rating |
| Bluet Productions Ltd. | London | A rating |
| Bluetech Utility Services Limited | Ashby Magna | A rating |
| Blueteq Ltd | Emsworth | A rating |
| BLUETHRUST LTD | Canary Wharf, London | A rating |
| Bluetree Group | Rotherham | A rating |
| Bluetulip Associates Ltd T/A Home Instead Luton & Central Bedfordshire | Luton | A rating |
| BlueVoyant Ltd | London | A rating |
| BLUEWATER CARE LIMITED | Huddersfield | A rating |
| Bluewater Group Europe Ltd | Northwood | A rating |
| BLUEWATER LAW SOLICITORS LIMITED | BURY | A rating |
| Bluewater Spice Ltd T/A Rilys Redditch | Redditch | A rating |
| Bluewave Holdings (UK) Limited | Luton | A rating |
| Bluewavesconsult Ltd | Lincoln | A rating |
| Bluewood Recruitment Ltd | Leicester | A rating |
| Bluezone Care | Basingstoke | A rating |
| BluJay Solutions Ltd | Salford | A rating |
| Blulotus Limited | London | A rating |
| Blum Health Ltd | Birkenhead | A rating |
| Blum Healthcare Ltd | Congleton | A rating |
| Blumako Eco Limited | Reading | A rating |
| Blume Equity LLP | London | A rating |
| Blumont Pharma Ltd | Grantham | A rating |
| BLUNDELL'S PHARMACY LIMITED | Bolton | A rating |
| Blundell's School | Tiverton | A rating |
| Blunomy Advisroy UK LTD | Kent | A rating |
| Blunt Trading Ltd | London | A rating |
| Bluprint Global Limited | Liverpool | A rating |
| Blurry Works Ltd | London | A rating |
| Blush Healthcare Limited | Altrincham | A rating |
| Blush Tech Limited | London | A rating |
| BLUSH ZONE LTD | Bradford | A rating |
| BLUSPEC GROUP LIMITED | STAINES UPON THAMES | A rating |
| Blutech Uki Ltd | London | A rating |
| BluTest Laboratories Ltd | Glasgow | A rating |
| BluWin Limited | Huddersfield | A rating |
| BLUX CONSULTANCY LIMITED | London | A rating |
| Blyth Collinson Interiors Ltd | London | A rating |
| Blyth Hall Management Services Limited | Atherstone | A rating |
| Blyth Valley Disabled Forum Limited | Blyth | A rating |
| Blythe Cricket Club | Stoke-on-Trent | A rating |
| Blythman & Partners Ltd | Newcastle Upon Tyne | A rating |
| BLYTHSON LTD | London | A rating |
| BM BATH ROAD LIMITED | Bristol | A rating |
| BM BRISLINGTON LIMITED | Bristol | A rating |
| BM Coaches & Rental Ltd | Hayes | A rating |
| BM CONSTRUCTION LONDON LTD | LONDON | A rating |
| BM Data Solutions Limited T/A BM Aluminium | Tewkesbury | A rating |
| BM Dynamic Ltd | Stoke-on-Trent | A rating |
| BM Fashions (UK) Ltd T/A Fashion UK | Leicester | A rating |
| BM Injection Ltd | Whitchurch | A rating |
| BM MOBILE CARE LTD | Slough | A rating |
| BM MUGHAL BUILDERS LIMITED | London | A rating |
| BM Utility Ltd | London | A rating |
| BM&A London Limited | London | A rating |
| BM3 Services Ltd | Birmingham | A rating |
| BMA 3 SOLUTIONS LTD | London | A rating |
| BMA CAR CARE LTD | BRADFORD | A rating |
| BMA CONSULTANCY LIMITED | Blackburn | A rating |
| BMA FOODS LIMITED T/A BAKERS + BARISTAS | CASTLEFORD | A rating |
| BMA GROCERY LIMITED | London | A rating |
| BMA MARKETING LIMITED | London | A rating |
| BMA Stores Limited | Townhill | A rating |
| BMAS Accountants Ltd | London | A rating |
| BMAT EDUCATION | Harlow | A rating |
| BMB Clothing Ltd | Leeds | A rating |
| BMB Drylining Ltd | London | A rating |
| BMC Helix UK Limited | Workingham | A rating |
| BMC Properties & Management Limited | London | A rating |