| BMC Software Ltd | Winnersh Triangle | A rating |
| BMC UK Subadvisor Support Ltd | London | A rating |
| BMD Infrastructure Services Limited | London | A rating |
| BME Enclosures (NI) Limited | Ballymena | A rating |
| BMF International Limited | London | A rating |
| BMG HOMES LIMITED | Dudley | A rating |
| BMG Rights Management Services (UK) Limited | London | A rating |
| BMH Shipbroking Limited | LONDON | A rating |
| BMH Tutors Limited | Croydon | A rating |
| BMI GLOBALED LTD | London | A rating |
| BMI Group Holdings UK Limited | Reading | A rating |
| BMI Healthcare Limited trading as Circle Health Group Limited | London | A rating |
| BMI Project (UK) Limited | Manchester | A rating |
| bmi trailers ltd | Dungannon | A rating |
| BMJ GROUPS SOLUTIONS LTD | Birmingham | A rating |
| BMJ Publishing Group Limited | London | A rating |
| BMLL Technologies Limited | London | A rating |
| BMLL Technologies Ltd | London | A rating |
| BMM Care Ltd | London | A rating |
| BMN BUBBLE LTD | London | A rating |
| BMP EUROPE LIMITED | ACCRINGTON | A rating |
| BMP HEALTHCARE LIMITED | Leicester | A rating |
| BMS AND ELECTRICAL SERVICES LTD | Sutton | A rating |
| BMS Automotive Ltd | Romford | A rating |
| BMS Heavy Cranes UK Ltd | Irvine Innovation Center | A rating |
| BMS Services Ltd | Basingstoke | A rating |
| BMSL Accountancy & Tax Services Ltd | London | A rating |
| BMSL BUILDERS LIMITED | Manchester | A rating |
| BMT Global Link Limited | London | A rating |
| BMT Group | London | A rating |
| BMT LEGALS LIMITED | London | A rating |
| BMW (UK) Holdings Limited | Farnborough | A rating |
| BMZ ENTERPRISE LTD TA PHONE BAR | Liverpool | A rating |
| BMZ Lambert Sports Clinic Ltd | Tolworth | A rating |
| BN MANAGEMENT CONSULTANCY LIMITED | Ilford | A rating |
| BN PATEL & CO LTD T/A BOOKHAM EXPRESS & POST OFFICE | LEATHERHEAD | A rating |
| BNA3 LTD T/A Woodhouse Pizzeria | Birmingham | A rating |
| BNANO UK LTD | London | A rating |
| BNC GURKHA GROCERY LIMITED | Basingstoke | A rating |
| BND FOODS LTD | Dagenham | A rating |
| BNDF HOSPITALITY LIMITED | London | A rating |
| BNE BOOKKEEPERS LTD | Hatfield | A rating |
| BNF Capital Limited | London | A rating |
| BNJC | Hove | A rating |
| BNKM INTERNATIONAL LIMITED | London | A rating |
| BNL Fibre Limited | London | A rating |
| BNL Restaurant Limited | Bury | A rating |
| BNL UK Limited | Knaresborough | A rating |
| BNM Builders Ltd | London | A rating |
| BNM NEWCASTLE LIMITED | Tyne And Wear | A rating |
| BNP Associates Limited | West Drayton | A rating |
| BNP Care Ltd | Redhill | B rating |
| BNP PARIBAS ASSET MANAGEMENT SERVICES LIMITED | LONDON | A rating |
| BNP Paribas Asset Management UK Limited | London | A rating |
| BNP Paribas Leasing Solutions Limited | Basingstoke | A rating |
| BNP Paribas London Branch | London | A rating |
| BNP Paribas real Estate Advisory & Property Management UK Limited | London | A rating |
| BNR Agency | Birkenhead | A rating |
| BNS Co. Limited | Nottingham | A rating |
| BNS Convenience Store Ltd | Stockton-On-Tees | A rating |
| BNS Selly Oak Limited T/A Burger & Sauce - Selly Oak | Birmingham | A rating |
| BNS STAFFORD LTD | Uttoxeter | A rating |
| BNSL Limited | Chadderton | A rating |
| BNTL Care Limited t/a Summerdale Court Care Home | London | A rating |
| BNVT Capital Ltd | London | A rating |
| BNW Accountants Limited | Mitcham | A rating |
| BNW Food Limited | London | A rating |
| BNW Technology Ltd | Reading | A rating |
| BNXA UK Holding Limited | London | A rating |
| Bo Digital Ltd | Cambridge | A rating |
| Boarbank Hall Convalescent Home | Grange-over-sands | A rating |
| Board Intelligence Ltd | London | A rating |
| Board MIT Ltd | London | A rating |
| Boardclic UK Limited | London | A rating |
| BOARDMAN ENGINEERING AND MANAGEMENT SERVICES LTD | Nottingham | A rating |
| Boards-4U Limited | Dewsbury | A rating |
| Boardwave Limited | London | A rating |
| Boars Tye Residential Home Limited | Witham | A rating |
| Boars Tye Residential Home Ltd | WITHAM | A rating |
| BOARSHEAD PETROL STATION LTD | Wigan | A rating |
| Boat Rocker Rights (UK) Ltd | London | A rating |
| Boatfolk Bars Ltd | Bursledon | A rating |
| Boathouse Physiotherapy Ltd | Reading | A rating |
| Bob Care Ltd | Manchester | A rating |
| BOB LABELS LTD | Leicester | A rating |
| Bob Paterson Agency / BPA Live | Bury St Edmunds | A rating |
| Bob Potter Leisure Limited | Camerley | A rating |
| Bob Rudd Leisure | Newcastle upon Tyne | A rating |
| BOB W TECHNOLOGIES UK LIMITED | London | A rating |
| BOBA & CO UK LTD | LONDON | A rating |
| Boba & Shakes Ltd | London | A rating |
| Boba and Dessert Limited | Yeovil | A rating |
| Boba Commodities Limited | London | A rating |
| Boba Moon UK Ltd | Winchester | A rating |
| Boba Tea Life Ltd | Greenford | A rating |
| BOBA TRA LTD | Ruislip | A rating |
| BOBA TWO LIMITED | Yorkshire | A rating |
| Bobago Ltd t/a UK Visas | Horsham | A rating |
| BoBar Bubble Tea | London | A rating |
| Bobateacompany Ltd | Leicester | A rating |
| BobatM Limited T/A Bobat Pharmacy | Portsmouth | A rating |
| BOBBA FOOD FUSION LIMITED | Tonypandy | A rating |
| Bobby the Builder Limited | Birmingham | A rating |
| BOBBY'S BURGERS LTD | Sowerby Bridge | A rating |
| Bobby's Punjabi Food Corner | Birmingham | A rating |
| BOBBYS CONVENIENCE LTD T/A PREMIER | Camberley | A rating |
| Bobbys News Agents Limited | Bristol | A rating |
| Bobbyz Blinds | Shipley | A rating |
| BOBI 09 LTD | Hull | A rating |
| Bobo and Wild 04 ltd | London | A rating |
| BOBO WINE LTD | London | A rating |
| Bobrick Washroom Equipment Limited | London | A rating |
| Bobs Stores | Acton | A rating |
| Bobst Manchester Ltd | Heywood | A rating |
| Bobst UK & Ireland Ltd | Redditch | A rating |
| BOC Aviation (UK) Limited | London | A rating |
| BOC Limited | Woking | A rating |
| Boca Bar Group Ltd T/A The Tipsy Cow | Poulton Le Fylde | A rating |
| Boca Restaurants Ltd | Poulton Le Fylde | A rating |
| Bocacina Ltd T/A Bocabar | Bristol | A rating |
| BOCAN INTERNATIONAL LTD | LONDON | A rating |
| Boccard UK Limited | Sale | A rating |
| BOCCONCINO RESTAURANT LTD | London | A rating |
| Bocconi Limited | London | A rating |
| Bod Heulog Dental Care Ltd | Rhyl | A rating |
| Boden Furniture Ltd | Aylesbury | A rating |
| Bodet Ltd | Hemel | A rating |
| Bodey Medical Centre | Manchester | A rating |
| Bodhi College | Totnes | A rating |
| Bodhi Zen Clinic Limited | Lichfield | A rating |
| BODHIGYAN MEDITATION & CULTURAL CENTRE UK | RAINHAM | A rating |
| Bodhisattva Kadampa Meditation Centre | Hove | A rating |
| BODILIGHT BEAUTY CLINIC LTD | Milton Keynes | A rating |
| Boditrax Technologies Ltd | Nottingham | A rating |
| Bodmin Autos Ltd | Coventry | A rating |
| Bodmin Specsavers Hearcare Limited | Bodmin | A rating |
| Bodmin Specsavers Limited | Bodmin | A rating |
| Bodmin Specsavers Ltd T/A Specsavers Opticians | Bodmin | A rating |
| BODRIGGY PHARMACY LTD | CORNWALL | A rating |
| BODSON WINES LTD | Dagenham, | A rating |
| Body & Soul | London | A rating |
| Body and Mind Healthcare Clinic | London | A rating |
| Body Base Ltd | Hove | A rating |
| Body Fit Training UK Limited | London | A rating |
| Body in Motion | Bournemouth | A rating |
| Body Jewellery Ltd | Poole | A rating |
| Body Logic Health Ltd | London | A rating |
| Body London | London | A rating |
| BODY OF CHRIST EVANGELICAL CHURCH | GRAVESEND | A rating |
| Body20 UK Ltd | London | A rating |
| BodyBio Limited | Cambourne | A rating |
| Bodycote PLC | Macclesfield | A rating |
| BODYTECH WEST LONDON LTD | London | A rating |
| Bodytonic Clinic Limited | London | A rating |
| Boehringer Ingelheim LTD | Wokingham | A rating |
| Boeing Defence UK Limited | London | A rating |
| Boeing United Kingdom Limited | London | A rating |
| Boerboel Trading LLP | London | A rating |
| Boffi UK Limited | London | A rating |
| Bog Brew Beers Limited t/a Six Hills Brewing | Stevenage | A rating |
| BOGDAN LASCAR CONSTRUCTION LIMITED | Southampton | A rating |
| Bogdan Law Office Ltd | Birmingham | A rating |
| BOGGE LTD | London | A rating |
| Boggi (UK) Limited | London | A rating |
| BOGHANI CONSULTANCY SERVICES LTD | St. Albans, | A rating |
| BOGHOSSIAN | London | A rating |
| BOGJISHA LTD T/A THE STEAK RESTAURANT | London | A rating |
| Bogle Architects Ltd | London | A rating |
| Bognor Medical Practice | Bognor Regis | A rating |
| Bognor Regis Cricket Club | Bognor Regis | A rating |
| BOGNOR REGIS DENTAL LTD | BOGNOR REGIS | A rating |
| Bognor Regis Golf Club | Bognor Regis | A rating |
| Bognor Regis Specsavers Hearcare Limited | Bognor Regis | A rating |
| Bognor Regis Visionplus Limited T/A Specsavers Opticians | Bognor Regis | A rating |
| Bohemia Club Limited | London | A rating |
| Bohemian Craft LTD | London | A rating |
| BOHGAN CIMLA STORES LTD | NEATH | A rating |
| Bohorun & Co Ltd | Leeds | A rating |
| Bohr Limited | Stone | A rating |
| Bohunt Education Trust | Liphook | A rating |
| Boies Schiller Flexner (UK) LLP | London | A rating |
| BOILER & HEATING CARE LIMITED | London | A rating |
| BOILER ROOM (UK) LIMITED | London | A rating |
| BOILER SPARES CENTRE (LEIC) LTD | Leicester | A rating |
| Boilerhouse Services Limited | Lisburn | A rating |
| BOINA LTD | Newcastle | A rating |
| BOING INTERNATIONAL TEA LIMITED | Birmingham | A rating |
| Boing International Trading Limited | Birmingham | A rating |
| BOISDALE LIMITED | London | A rating |
| Boitefin Limited | London | A rating |
| BOKA Capital Ltd | London | A rating |
| Bokan Enterprise Ltd | Slough | A rating |
| BOKES Ltd | London | A rating |
| Bokhiria Homes Ltd T/A Royal Court Care Home | Lincolnshire | A rating |
| Boki Hospitality Ltd | London | A rating |
| Boku Labs Ltd | London | A rating |
| Boku Network Services UK Ltd | London | A rating |
| Bolashak International Limited | Farnborough | A rating |
| Bold Content Ltd | London | A rating |
| BOLD ELECTRIFICATION UK LTD | Woking | A rating |