| Dingxuan Limited | Feltham | A rating |
| Dining Innovation UK Ltd | London | A rating |
| DINING SYMPHONY PVT LTD | Barbican, London | A rating |
| Dinings London Limited | London | A rating |
| DININGS SW3 LTD | LONDON | A rating |
| Dinn Enterprise CIC | London | A rating |
| Dinnel Limited | London | A rating |
| Dinner Lady Fam Ltd | Blackburn | A rating |
| DINNER PLATE LTD | LONDON | A rating |
| DINNINGTON CONVENIENCE STORES LIMITED T/A Dinnington Convenience Store | Dinnington, | A rating |
| DINO'S ST.ANDREWS LTD t/a Dino's St Andrews | St. Andrews | A rating |
| Dinos Pizza (Nottm) LTD | Nottinghams | A rating |
| Dinosaur Merchant Bank Ltd. | London | A rating |
| Dinson Accountants Limited | Nottingham | A rating |
| Dints International Limited | London | A rating |
| DINULA PVT LTD | Romford | A rating |
| Diocese of Arundel and Brighton | Crawley | A rating |
| DIOCESE OF BRENTWOOD | BRENTWOOD | A rating |
| Diocese of Chelmsford | Chelmsford | A rating |
| Diocese of Chichester Academy Trust | Eastbourne | A rating |
| Diocese of Derby )diocesan Board of Finance Limited | Derby | A rating |
| Diocese of Down & Connor | Belfast | A rating |
| Diocese of East Anglia | Norwich | A rating |
| Diocese of Hallam | Sheffield | A rating |
| Diocese of Hereford | Hereford | A rating |
| Diocese of Hexham and Newcastle | Newcastle upon Tyne | A rating |
| Diocese of Ireland, Scotland, North East England and Affiliated Regions | Whitley Bay | A rating |
| Diocese of Leeds | Leeds | A rating |
| Diocese of Leicester | Leicester | A rating |
| Diocese of Middlesbrough Trustee | Middlesbrough | A rating |
| Diocese of Monmouth Board of Finance | Newport | A rating |
| Diocese of Norwich | Easton | A rating |
| Diocese of Norwich Education Services Company | Norwich | A rating |
| Diocese of Portsmouth | Portsmouth | A rating |
| Diocese of Sheffield Diocesan Board of Finance | Rotherham | A rating |
| DIOCESE OF WREXHAM | WREXHAM | A rating |
| Diodes Semiconductor GB Ltd | Greenock | A rating |
| Diodes Zetex Semiconductors Ltd | Oldham | A rating |
| Diogenes the Dog | London | A rating |
| Diomark Care Limited t/a Belmont Lodge Care Centre | Chigwell | A rating |
| DION DEVELOPMENTS LTD | Isleworth | A rating |
| Dion Enterprises Ltd | Basildon | A rating |
| Dion Limited | London | A rating |
| Dion.Money Ltd | London | A rating |
| Diona (UK) Limited | Chester | A rating |
| Diorama Arts Centre | London | A rating |
| DIORS BEAUTY COMPANY LTD | London | A rating |
| Diors Pictures Ltd | London | A rating |
| DIOSynVax Limited | Cambridge | A rating |
| Diot Siaci Global Markets | London | A rating |
| DIP FASHION LTD | London | A rating |
| DIPALI CUISINE LIMITED | Leicester | A rating |
| Dipfingerscatering 'DFC' Ltd | Margate | A rating |
| Dipjyot UK Limited | Leiston | A rating |
| DIPKET LTD T/A SUBWAY | Reading | A rating |
| DIPLEY LIMITED | Surrey | A rating |
| Diplock Solicitors Ltd | London | A rating |
| Diploma PLC | London | A rating |
| DIPLOMAT CHAUFFEURS LTD | Romford, England | A rating |
| DIPOL PRINT LTD | Brighton | A rating |
| Dipont International Limited | London | A rating |
| Dippy Co. Ltd | Manchester | A rating |
| DIPS FOODS LIMITED | Stanmore | A rating |
| DIPTIS THREADING BAR LTD | SHEERNESS, | A rating |
| Dirac Software Limited | London | A rating |
| DIRAI SPICE LTD T/A Curry Zone | Worthing | A rating |
| DIRECT ACCESS CONSULTANCY LIMITED | Nantwich | A rating |
| DIRECT ACCOUNTANCY SOLUTIONS LTD | LONDON | A rating |
| Direct Air & Pipework | Coventry | A rating |
| Direct Approach Care LTD | BAMBERBRIDGE | A rating |
| DIRECT ASSIST ACCOUNTANTS LTD | Slough | A rating |
| Direct Auto MOT Centre Ltd | Nottingham | A rating |
| Direct Business Essentials Ltd | Stirling | A rating |
| DIRECT CARE AND SUPPORT SERVICES UK LTD | CARSHALTON | A rating |
| Direct care Ltd | Birmingham | A rating |
| DIRECT CARE SERVICE LIMITED | BATHGATE | A rating |
| Direct Care Tameside Ltd | HYDE | A rating |
| Direct Care Works Limited | Leicester | A rating |
| Direct Channel Support Systems Limited | Tipton | A rating |
| DIRECT DELIVERED PRODUCE LTD | LONDON | A rating |
| DIRECT EDGE LIMITED | Lincoln | A rating |
| Direct Ferries Limited | London | A rating |
| DIRECT FERRIES LTD | LONDON | A rating |
| Direct FM Ltd | Birmingham | A rating |
| Direct Food Ingredients Limited | Cheshire | A rating |
| Direct Food Solution Limited | Willenhall | A rating |
| Direct Glazing Limited | Luton | A rating |
| Direct Health First Ltd. | BUDLEIGH SALTERTON | A rating |
| Direct Healthcare 24 Ltd | London | A rating |
| Direct Healthcare Group | Caerphilly | A rating |
| Direct Line Supplies Ltd | Thornaby | A rating |
| Direct Link Care Ltd | Romford | A rating |
| Direct Link Technologies Ltd | London | A rating |
| Direct Link Worldwide Limited | Hayes | A rating |
| Direct Maintenance Aircraft Services UK Ltd | Gatwick | A rating |
| DIRECT MART LIMITED | Leicester | A rating |
| Direct Meats Knights Farm Ltd | Colchester | A rating |
| Direct Medicare (UK) Ltd | Manchester | A rating |
| Direct Online Services Ltd | Quedgeley, Gloucester | A rating |
| Direct Physio Ltd | Epsom | A rating |
| Direct Plumb London LTD | London | A rating |
| DIRECT PLUMBERS LIMITED | LONDON | A rating |
| Direct Plumbing and Heating Distribution Limited | Wolverhampton | A rating |
| Direct Point Logistics Ltd | Wolverhampton | A rating |
| DIRECT PROPERTIES SOLUTION LTD | London | A rating |
| Direct Property Services | London | A rating |
| Direct Rail Services | Carlisle | A rating |
| DIRECT REMIT LIMITED | Birmingham | A rating |
| DIRECT RENTAL GROUP LTD | Coventry | A rating |
| Direct Retail Limited trading as Costcutter | Kelty | A rating |
| DIRECT SHIPPING INTERNATIONAL LIMITED | Colchester | A rating |
| Direct Source Distribution Limited | London | A rating |
| Direct Sports Limited | Stockton on Tees | A rating |
| DIRECT STAFF (UK) LIMITED | Hounslow | A rating |
| Direct Today Couriers Ltd | Bolton | A rating |
| Direct Trade Windows Limited | Slough | A rating |
| Direct Utilities Support Limited | London | A rating |
| Direct Wholesale Foods (London) Ltd | Edmonton | A rating |
| Direct Wines Limited | Reading | A rating |
| Direct X Ltd | Basildon | A rating |
| Direct2U Care Limited | Enfield | A rating |
| DIRECT2U TRADING CO LIMITED | Dundee | A rating |
| Directflight T/A Airtask Group Ltd | Milton Keynes | A rating |
| DIRECTIT UK LIMITED | LONDON | UK Expansion Worker: Provisional |
| Director | Tonbridge | A rating |
| Director at Bluebird Care (Leicester, Hinckley, Bosworth and Blaby) | Leicester | A rating |
| Director First Insolvency Limited | Kirkham | A rating |
| Direk LTD | Guildford | A rating |
| Dirench Partners Ltd | London | A rating |
| Direx Solutions Limited | Harrogate | A rating |
| DIRIMART UK LIMITED | London | A rating |
| DIRISALA SERVICES LTD | ROTHERHAM | A rating |
| DIRLIN COMPANY LTD | Coventry | A rating |
| DIRON LIMITED | Bournemouth | A rating |
| DIRTY CATS MOTORCYCLES LTD | London | A rating |
| Dirty Films Limited | London | A rating |
| DIRTY HIT LIMITED | London | A rating |
| Dirty Ice Cream Limited | London | A rating |
| Dirty Laundry | London | A rating |
| Disability Action - Yorkshire | Harrogate | A rating |
| Disability Africa | Staines-upon-Thames | A rating |
| Disability Resource Centre | Birmingham | A rating |
| Disability Sheffield Centre for Independent Living | Sheffield | A rating |
| DISABLE TRAINING & ACCOMMODATION SERVICES LTD | London | A rating |
| Disappearing Dining Club Ltd | London | A rating |
| Disauthority Ltd | London | A rating |
| DISAUTHORITY LTD | Croydon | A rating |
| Discotheque Fragrances Limited | London | A rating |
| Discount Builders Merchants (Midlands) Limited | Birmingham | A rating |
| Discount Daily Limited | Kington | A rating |
| Discount Fabrics Limited | Leicester | A rating |
| DISCOUNT HOUSE ELECTRONIC UK LIMITED 15077847 | ENGLAND | A rating |
| Discount House Retails Ltd | Salford | A rating |
| DISCOUNT SIGN AND DISPLAY | High Wycombe HP12 3GG | A rating |
| DISCOUNT TRADE LTD | Rochdale | A rating |
| Discount Wholesale Tyres (Hemel) Ltd | Hemel Hempstead | A rating |
| DISCOUNT WINE CENTRE | Gateshead | A rating |
| Discountwarehouseuk LTD | Bradford | A rating |
| Discover Digital Solutions Limited | Reading | A rating |
| Discover Financial Services (UK) Ltd | Farnborough | A rating |
| Discover People International Ltd | London | A rating |
| Discover Tyres Ltd | Milton Keynes | A rating |
| Discovered Brands Limited | London | A rating |
| Discovered Ltd | Northampton | A rating |
| discoverIE Management Services Limited | Guildford | A rating |
| Discovery Communications Europe Limited | London | A rating |
| Discovery Education Europe Limited | Bath | A rating |
| Discovery Educational Trust | Brentwood | A rating |
| Discovery Schools Trust | Beaumont Leys | A rating |
| Discreet Law LLP | London | A rating |
| Disguise Technologies Ltd | London | A rating |
| Dish'd Ltd | Uxbridge | A rating |
| Disha Beauty Limited T/A Disha's Beauty | Chelmsford | A rating |
| DISHA CONSTRUCTION LTD | London | A rating |
| DISHA FISH BAR LTD | Seaton | A rating |
| Disha newcastle limited | NEWCASTLE UPON TYNE | A rating |
| Disha Stores | Tooting | A rating |
| DISHION OXFORD LTD | Oxford | A rating |
| Dishley News | Loughborough | A rating |
| Dishoom Ltd TA Dishoom | London | A rating |
| Dishpatch Ltd | London | A rating |
| Dishu Private Ltd T/A Oldland convenience store | Bristol | A rating |
| Dishubh Construction Limited | Folkestone | A rating |
| Disotto Foods Limited | London | A rating |
| Dispense2U LTD | Oswestry | A rating |
| Dispensing Centre (UK) Ltd | Coventry | A rating |
| Disperse.io LTD | London | A rating |
| Display Maintenance Ltd | Huddersfield | A rating |
| Display Manager Ltd | Basingstoke Rg24 8PE | A rating |
| DisplayLink (UK) Limited | Cambridge | A rating |
| DisplayLink (UK) Ltd | Cambridge | A rating |
| DisplayNote | Belfast | A rating |
| Disposable Cubicle Curtains Limited | Wolverhampton | A rating |
| Dispute Resolution Ombudsman | Stevenage | A rating |
| Disrupt Vidiyo Ltd | High Wycombe | A rating |
| DISRUPTIVE NOVOTECH HOLDING LTD | London | A rating |
| DISS CRICKET CLUB | DISS | A rating |
| Diss Dental Health Centre Limited | Diss | A rating |
| Diss Visionplus Ltd T/A Specsavers Opticians | Diss | A rating |
| Distag QCS (UK) Ltd | Ipswich | A rating |