| DKS FRUIT & VEG LTD | London | A rating |
| DKS Traders Ltd | London | A rating |
| DKW Engineering Ltd | Portsmouth | A rating |
| DKWatches LTD | Liverool | A rating |
| DL CATERING LIMITED | Market Harborough | A rating |
| DL Fullerton Limited | Surrey, | A rating |
| DL INTERNATIONAL LTD | Lichfield | A rating |
| DL TECHNOLOGIES LTD | LONDON | A rating |
| DLA Logistics UK Ltd | Brentford | A rating |
| DLA Piper UK LLP | London | A rating |
| DLAB LIMITED | London | A rating |
| Dlala Studios | Witham | A rating |
| DLC (NW) Limited | Manchester | A rating |
| DLC Purified Water Limited. | London | A rating |
| DLCAUTOCARE LTD | Manchester | A rating |
| DLF Seeds Ltd | Inkberrow | A rating |
| DLG Architects LLP | Leeds | A rating |
| DLG ShopFitters Limited | Leicester | A rating |
| DLLNI Limited | Bangor | A rating |
| Dlocal OpCo UK Ltd | London | A rating |
| DLS Social & Healthcare Ltd | Wellington | A rating |
| DLS Solicitors | Cheshire | A rating |
| DLT APPS LIMITED | York | A rating |
| DLT Engineering Ltd | Higham Ferrers | A rating |
| DLTV LIMITED | TAUNTON | A rating |
| DLWX LTD | London | A rating |
| DM & FM Jones Calcourt Farms | powys | A rating |
| DM & LU LIMITED T/A GURKHAS KITCHEN | PLAYMOUTH | A rating |
| DM ALL MOBILE ACCESSORIES LIMITED T/A Phone Kit | Wembley | A rating |
| DM Dehgani Ltd Trading as SMiles by the River | Cheshire | A rating |
| DM DZIGNS LIMITED | Barking, England | A rating |
| DM Equine and Accountancy Ltd | Wantage | A rating |
| DM Food Store Limited | Glasgow | A rating |
| DM GOLD LIMITED | MANCHESTER | B rating |
| DM Hall LLP | Edinburgh | A rating |
| DM Studios Limited | London | A rating |
| DM VEHICLES LTD | Manchester | A rating |
| DM2Y LTD | Birmingham | A rating |
| dma south east ltd t/a reena pharmacy | London | A rating |
| DMAC Engineering Ltd | Dungannon | A rating |
| DMAC TRUCK AND TRAILER REPAIR LTD | KILREA | A rating |
| DMAIL ENTERPRISES LTD | Birmingham | A rating |
| DMart Living Limited | Peckham | A rating |
| Dmatics IT Solutions UK Ltd 14833334 | England | A rating |
| DMB 777 LIMITED | Hatfield | A rating |
| DMC CONSULTING SERVICES LTD | kent | A rating |
| DMC Electrical (Berkshire)Ltd | Maidenhead | A rating |
| DMC FURNITURE DESIGN LTD | London | A rating |
| DMC Healthcare | Peckham | A rating |
| DMC Imaging Ltd | London | A rating |
| DMD Capital Ltd T/A Dalston Superstore | London | A rating |
| DMD Dental Ltd t/a Lab94 | Wrexham | A rating |
| DMD Design Solutions | Runcorn | A rating |
| DMD Restaurants Limited | Tonbridge | A rating |
| DMF GROUP SERVICES LTD | London | A rating |
| DMG Engineering Ltd t/a Lochshell Engineering | Lybster | A rating |
| Dmg Events (UK) Limited | London | A rating |
| DMG Mori UK Limited | Coventry | A rating |
| DMG VENTURES LIMITED | Birmingham | A rating |
| DMH Stallard LLP | Brighton | A rating |
| DMI Network | London | A rating |
| DMI Ventures (UK) LtD | London | A rating |
| DMJ SUB LIMITED | Taunton | A rating |
| DMJS PREMIER BRANDING LTD | MELBOURN | A rating |
| DMK Care and Support Ltd | Romsey | A rating |
| DML Marketing Ltd | Chalfont St Peter | A rating |
| DMP Foods Limited | Crumlin | A rating |
| DMP Healthcare (Cherry Orchard) Ltd | Harrow | A rating |
| DMP Healthcare (Elmstead) Ltd | Harrow | A rating |
| DMP Healthcare (Heatherbrook) Ltd | Harrow | A rating |
| DMP Healthcare (Hill House) Ltd | Harrow | A rating |
| DMP Healthcare (Ogilvy) Limited | Harrow | A rating |
| DMP Household Services Limited | London | A rating |
| DMR RESIDENTIAL LIMITED | Godstone | A rating |
| DMR Services Ltd | Walsall | A rating |
| DMRP (UK) Limited | London | A rating |
| DMRR INVESTMENT LIMITED | LONDON | A rating |
| DMRR Retail LTD | Derby | A rating |
| DMS Builders Limited | COVENTRY | A rating |
| DMS Foods Limited | Watford | A rating |
| DMSTK Limited | London | A rating |
| DMT Connection Ltd | London | A rating |
| DMT Consulting Limited | Nottingham | A rating |
| DMTS Catering Limited | Mid Glamorgan | A rating |
| DMW Accountants(2011) Ltd | Belfast | A rating |
| DMZ (UK) LIMITED | Reading | A rating |
| DN Automotive VMS Ltd | Trowbridge | A rating |
| DN Capital (UK) LLP | London | A rating |
| DN Colleges Group | Doncaster | A rating |
| DN CONSTRUCTION LTD | LONDON | A rating |
| DN HEATING AND PLUMBING SPECIAL LIST UK LTD | London | A rating |
| DN Law Limited | Nelson | A rating |
| DN Media Group Global AS | London | A rating |
| DNA 3 RETAIL LTD T/A PREMIER | WIRRAL | A rating |
| dna autohaus ltd | Kidderminster | A rating |
| DNA MOBILES & COMPUTERS LTD | STOWMARKET | A rating |
| DNA Payments Limited | London | A rating |
| DNA Vetcare Limited t/a Streatham Hill Veterinary Surgery | London | A rating |
| DNA Worldwide Group Holdings Ltd | Frome | A rating |
| DNA York Limited | York | A rating |
| DNAe Group Holdings Limited | London | A rating |
| DNASTREAM Ltd | Guildford | A rating |
| dnata Catering UK Limited | Manchester | A rating |
| DNB Bank ASA London Branch | London | A rating |
| DNB Carnegie Investment Bank AB UK Branch | London | A rating |
| DNB Scot Limited | Falkirk | A rating |
| DNB Trading Ltd | Scotland | A rating |
| DND ACCOUNTANCY LTD | London | A rating |
| DND INTERNATIONAL LTD | Nuneaton | A rating |
| DND PVT LTD | Wembley, | A rating |
| DNDISTURB LTD | London | A rating |
| DNEAT | Easton | A rating |
| DNH Lab | London | A rating |
| DNIPRO UK LTD LIMITED | London | A rating |
| DNK Construction Limited | London | A rating |
| Dnk Energy Solutions Ltd | Dartford | A rating |
| DNL TRANSPORT LTD | Banbury | A rating |
| DNM (SOUTH WEST) LTD T/A BAMBER EDUCATION | Bristol | A rating |
| DNNOVATION CONSTRUCTION LTD | Hemel Hempstead | A rating |
| DNO CONSULTING LIMITED | Newport | A rating |
| DNO Consulting Ltd | Newport | A rating |
| DNP HOSPITALITY LTD T/A GURKHA DURBAAR | PETERBOROUGH | A rating |
| DNP Investments Limited | Bedford | A rating |
| DNP STORES LTD | Manchester | A rating |
| DNR Ritz Healthcare Ltd | London | A rating |
| DNR Yeovil Ltd | Yeovil | A rating |
| DNS ACCOUNTANTS (PINKSALT) LTD | Harrow | A rating |
| DNS CONSULTANCY LTD | Harrow | A rating |
| DNS Convenience LTD | Birmingham | A rating |
| DNS Stones Ltd | Leeds | A rating |
| DNV SERVICES UK LIMITED t/a DNV | London | A rating |
| DNV21 LTD | Leicester | A rating |
| DNZ WORLD LIMITED | HARLOW | A rating |
| DO and CO Event and Airline Catering Ltd. | Hounslow | A rating |
| Do Ho Limited | London | A rating |
| DO IT CREATIVE LIMITED | LONDON | A rating |
| DOABA CONSTRUCTION LTD | Dartford | A rating |
| Doaba Kitchen Ltd | Hayes | A rating |
| Doaba Meat Ltd. | Southall | A rating |
| Doabe Wale Ltd T/A Doabe Wale | Newcastle upon Tyne | A rating |
| DoBeDo Represents Limited | London | A rating |
| Doble PowerTest Limited | Guildford | A rating |
| Dobler UK | London | A rating |
| DOBRUNA CONSTRUCTION LTD | CHESSINGTON | A rating |
| Dobuild Ltd | London | A rating |
| Doc Abode Ltd. | Leeds | A rating |
| Doc Society | London | A rating |
| DOCAN SOLUTIONS LTD | London | A rating |
| Doccla UK Limited | London | A rating |
| Docebo UK Limited | London | A rating |
| DOCEREE UK LIMITED | London | A rating |
| Dockham Surgery | Cinderford | A rating |
| DOCKHEAD NEWSAGENTS LTD | AYRSHIRE | A rating |
| DOCKLANDS DAY NURSERY LIMITED | LONDON | A rating |
| DOCKS INN LTD | London | A rating |
| Docky Tech Limited | Warwick | A rating |
| DOCME TECHNOLOGIES LTD | Cambridge | A rating |
| DOCOMO Europe Ltd. | London | A rating |
| Docsafe Limited | Bedford | A rating |
| DOCSNI LIMITED T/A DOCS FISH & CHIPS | NEWCASTLE | A rating |
| Docsville Studios Ltd | London | A rating |
| Doctify Limited | London | A rating |
| Doctor Care Anywhere Group plc | London | A rating |
| Doctor Care Ltd | London | A rating |
| Doctor Clare Orrom Swan, Doctor Thanh Mai Nguyen, T/A Fitzrovia Medical Centre | London | A rating |
| DOCTOR HERBLTD | LEICESTER | A rating |
| DOCTOR PHONE LIMITED | Manchester | A rating |
| DOCTOR'S DIRECT PHARMA LTD | RUNCTION | A rating |
| Doctors of the World | London | A rating |
| DOCTORS SEEPAUL SINGH T/A WASH COMMON DENTAL PRACTICE | NEWBURY | A rating |
| Doctors Surgery | Hitchin | A rating |
| Document Risk Solutions Ltd | London | A rating |
| DocuSign UK Limited | London | A rating |
| DOCUZ LTD | Wembley | A rating |
| Dodd & Co Services Limited | Penrith | A rating |
| Doddington Care Limited (trading as Just Be Care) | Cleobury Mortimer | A rating |
| DODDINGTON STORES T/AS ONE STOP LTD | CAMBRIDGESHIRE | A rating |
| Dodge & Cox Worldwide Investments Ltd. | London | A rating |
| Dodhia Traders Ltd t/a Parade Pharmacy | Rickmansworth | A rating |
| Dodi Seafood Limited | London | A rating |
| DODOMI TUNBRIDGE LIMITED | Tunbridge Wells | A rating |
| DODONA HOUSE LTD | BARROW-IN-FURNESS | A rating |
| Dodrotu Limited | OXFORD | A rating |
| DOEL LIMITED | Fareham | A rating |
| doetaylor Limited | London | A rating |
| DOF Subsea UK Limited | Aberdeen | A rating |
| Dog & Groom LTD | London | A rating |
| Dog and Dude UK Ltd | London | A rating |
| Dog Digital Ltd | Glasgow | A rating |
| Dog Ears Limited | Derry | A rating |
| Doga Int Limited | ARUNDEL | A rating |
| DOGAN LONDON LTD | London | A rating |
| Dogan Online Limited | London | A rating |
| Doggett & Edwards | Cirencester | A rating |
| Doggone Fabulous Ltd | London | A rating |
| DOGGY STYLING BOUTIQUE LTD | Surbiton | A rating |
| Doghouse Distillery Limited | London | A rating |
| Doghouse Pub Company | London | A rating |
| Dogma Group Ltd | London | A rating |
| Dogmates Ltd | London | A rating |