| Digital Apple UK Ltd | London | A rating |
| Digital Applications International Limited | STOCKPORT | A rating |
| Digital Arts Studios | Belfast | A rating |
| Digital Back Office Limited | Harrow | A rating |
| Digital Boutique Limited | Edinburgh | A rating |
| Digital Buying Partners Limited | Slough | A rating |
| DIGITAL CAFE LIMITED | Burgess Hill | A rating |
| Digital Catapult | London | A rating |
| Digital Cinema Media Ltd | London | A rating |
| DIGITAL CLIPBOARD LIMITED | London | A rating |
| DIGITAL COMBAT AGENCY LTD | Romford | A rating |
| Digital Commonwealth Limited | London | A rating |
| Digital Completion UK Limited | Leeds | A rating |
| Digital Cryogenics Limited | London | A rating |
| Digital Data Consultancy Ltd | High Wycombe | A rating |
| Digital Detox Ltd | LONDON | A rating |
| Digital Devices Limited | London | A rating |
| Digital Devops Limited | Aylesbury | A rating |
| Digital Diligence Ltd | London | A rating |
| DIGITAL DIRECT SOLUTIONS LTD | London | A rating |
| Digital Directories Limited | London | A rating |
| DIGITAL DISRUPTION TECHNOLOGIES LTD | London | A rating |
| DIGITAL DREAM LTD | London | A rating |
| DIGITAL EARTH LTD | Aspley Guise | A rating |
| Digital Edge Print Group Limited | Oldham | A rating |
| DIGITAL EMERGENCY LTD | HUDDERSFIELD | A rating |
| Digital Eye Security System Limited | Staines | A rating |
| Digital First Holdings UK Limited | London | A rating |
| Digital Futures Group Limited | London | A rating |
| Digital Gaming Corporation Limited | Elstree | A rating |
| Digital Glue Ltd | Birmingham | A rating |
| Digital Health and Care Wales | Cardiff | A rating |
| Digital Health Intelligence Ltd | London | A rating |
| Digital Icon Agency Ltd | Derby | A rating |
| Digital Infrastructure Services Ltd | Newton-le-Willows | A rating |
| Digital Innk Limited | Birmingham | A rating |
| Digital Insight Technologies Limited trading as Xapien | London | A rating |
| DIGITAL INSIGHTS CONSULTANCY LIMITED | Milton Keynes | A rating |
| Digital Isle Limited | Newry | A rating |
| DIGITAL LIFE PARTNERS LTD | London | A rating |
| Digital Manufacturing Centre Ltd | Towcester | A rating |
| Digital Marmalade Limited | London | A rating |
| Digital Media Distribution Limited | Tyne And Wear | A rating |
| Digital Media Gang | Solihull | A rating |
| Digital Media Innovations UK LTD | Gloucester | A rating |
| Digital Media Services UK Ltd | London | A rating |
| Digital Media Technologies LTD | Hertford | A rating |
| Digital Medical Supply UK Ltd | London | A rating |
| Digital Mobile Innovations Limited | London | A rating |
| Digital Moneybox Limited | London | A rating |
| Digital News Agency Ltd | London | A rating |
| Digital Odour Technologies Limited | Dagenham | A rating |
| Digital Office Systems Ltd | Ashby de la Zouch | A rating |
| DIGITAL ORANGE NETWORKS LIMITED | Bromley | A rating |
| Digital Orchard Group Ltd | Chalfont St Giles | A rating |
| DIGITAL OUTLET LONDON LTD | LONDON | A rating |
| DIGITAL PORT LTD | Manchester | A rating |
| Digital Prosthetics Limited | Birmingham | A rating |
| Digital Quotient Solutions Limited | Cheltenham | A rating |
| Digital Reality Corp Ltd (trading as Pupil and/or Stak) | London | A rating |
| DIGITAL REALTY (UK) LIMITED | LONDON | A rating |
| DIGITAL RESILIENCE UK LTD | Cambridge | A rating |
| Digital RFQ Limited | London | A rating |
| Digital Science & Research Solutions Limited | London | A rating |
| Digital Select Ltd | Lowestoft | A rating |
| DIGITAL SERVICES HUB LIMITED | London | A rating |
| Digital Sign UK Ltd T/A Digital Signage UK | London | A rating |
| Digital Space Group Limited | Newark | A rating |
| Digital Spring Limited | London | A rating |
| Digital Staff Solutions T/A Florence | London | A rating |
| Digital Sterling Limited | Leeds | A rating |
| DIGITAL STREAMING LIMITED | Manchester | A rating |
| Digital Surgery Limited | London | A rating |
| Digital Taxonomy Limited | London | A rating |
| Digital Therapeutics Ltd | London | A rating |
| DIGITAL TRANSFORMATION CAPITAL PARTNERS UK LIMITED | London | A rating |
| DIGITAL TRAVEL MARKETING GROUP LIMITED | Liverpool, Merseyside | A rating |
| Digital Uncut | London | A rating |
| Digital Unlimited Group Ltd | London | A rating |
| Digital Voices Limited | London | A rating |
| Digital Willow Ltd | London | A rating |
| Digital Workforce Services Ltd | Warwick | A rating |
| DIGITAL-I LIMITED | Bristol | A rating |
| Digital.ai Software (UK) Ltd. | London | A rating |
| DIGITAL.CAMZ LTD | Ilford | A rating |
| DIGITAL2MARKETING LTD | Birmingham | A rating |
| DIGITALAPICRAFT UK LTD | LONDON | A rating |
| DIGITALBRIDGE UK ADVISORS 1 LLP | LONDON | A rating |
| DigitalCNC Ltd | London | A rating |
| DIGITALDATA CONSULTING LIMITED | TEDDINGTON | A rating |
| DIGITALGB LTD | Hounslow | A rating |
| Digitalis Media Ltd | London | A rating |
| DIGITALK Technology Limited | Milton Keynes | A rating |
| Digitall Solutions Ltd | London | A rating |
| Digitally Inspired Limited | Guildford | A rating |
| DigitalMandee Ltd | Welwyn Garden City | A rating |
| DigitalOcean Droplet Limited | Walsall | A rating |
| DigitalQ UK IT Solutions Ltd | Slough | A rating |
| DIGITALSOFTS LTD | Birmingham | A rating |
| DigitasLBi Limited | London | A rating |
| Digitease Business Solutions Ltd | Birmingham | A rating |
| DIGITEC Financial Technologies and Services (UK) Ltd | London | A rating |
| Digitech Solutions and Consulting Limited | Coventry | A rating |
| DIGITECH WORLD UK LTD | RUGBY | A rating |
| DIGITEX TECHNOLOGIES LIMITED | Dagenham | A rating |
| DIGITISINGMART EUROPE LIMITED | London | A rating |
| Digitronix Limited | Leeds | A rating |
| DIGITS AND BYTES ASSOCIATES LIMITED | Sutton | A rating |
| Digitys Global Services Limited | London | A rating |
| DIGITZEN LTD | London | A rating |
| DIGIWORKZ LIMITED | London | A rating |
| Dignicare | Skipton | A rating |
| Dignified Homecare | Hornchurch | A rating |
| DIGNIFIED SERVICES LIMITED | Nottingham | A rating |
| Dignify Care Limited | Salisbury | A rating |
| Dignity Access Ltd | East Grinstead | A rating |
| Dignity and Choice in Dying | London | A rating |
| Dignity Community Care Ltd | Stockport | B rating |
| Dignity Direct Homecare Ltd | London | A rating |
| DIGNITY EXPRESS HEALTH CARE LTD | COVENTRY | A rating |
| Dignity Funerals Limited | Sutton Coldfield | A rating |
| Dignus Healthcare Limited | Walsall | A rating |
| Digonto Limited | Countesthorpe | A rating |
| DIGS Technology Limited | Swansea | A rating |
| DigVentures Ltd | Barnard Castle | A rating |
| DIHENDA INTERNATIONAL LTD | London | A rating |
| DIIA & CO | BASILDON | A rating |
| Dijeet Singh Kapoor T/A MG Superstore | Harrow | A rating |
| Dijla Limited | Cardiff | A rating |
| Dikay Ltd | London | A rating |
| Dil Indian Cuisine Limited | Monmouthshire | A rating |
| Dil Raj | Oxford | A rating |
| Dilane Yathunanthan t/a Aathmy Enterprises | Haverfordwest | A rating |
| Dilany Ltd | Grays | A rating |
| Dildar Restaurant | LUTON | A rating |
| Dilict Ltd | NOTTINGHAM | A rating |
| DILIGENCIA CONSULTING | Oxford, United Kingdom | A rating |
| Diligent Boardbooks Limited | London | A rating |
| Diligent Care Services | Archway | A rating |
| Diligent Law Limited | West Malling | A rating |
| DILISA LTD | Edinburgh | A rating |
| DILKHUSH STIRCHLEY LIMITED | Birmingham | A rating |
| Dillan's Food & Wine | Aintree | A rating |
| DILLEX SOLICITORS LIMITED | London | A rating |
| Dilli Group Ltd. T/A Dilli Haat | Bournemouth | A rating |
| Dilli Haat Limited | Ilford | A rating |
| DILLI'S RESTAURANT LTD | Bournemouth | A rating |
| DILLI24 LTD T/A DILLI RESTAURANT | HASLEMERE | A rating |
| Dilliwala's LTD | Cheltenham | A rating |
| DILLON BUTCHERS LTD | WEST BROMWICH | A rating |
| Dillon Care Limited | LONDON | A rating |
| Dillon Supermarket Limited | Wandsworth, London | A rating |
| Dilmer Limited | Watford | A rating |
| Dilmon Services (UK) Limited | London | A rating |
| DilMotion Control Limited | Milton Keynes | A rating |
| DILPASAND CATERING & EVENTS MANAGEMENT LTD | London | A rating |
| DILRAJ (CLITHEROE) LTD | Clitheroe | A rating |
| DILRAJ (CLITHEROE) LTD t/a Dil Raj Restaurant | Clitheroe | A rating |
| DILRAJ LIMITED COMPANY LTD, T/A DILRAJ INDIAN TAKEAWAY | Leighton Buzzard | A rating |
| DILSHA LIMITED t/a THE REDHOUSE SERVICE STATION | NORTHAMPTOM | A rating |
| DILSHAD INDIAN RESTAURANT LTD | WOLVERHAMPTON | A rating |
| Diluxshi Stores Ltd t/a Baba Express | London | A rating |
| DIMA Group LTD | Andrew Gilmour | A rating |
| Dimalnox UK Limited | London | A rating |
| DIMARK LIMITED | London | A rating |
| DIMENSION ABBAS BUILDERS LTD | Leicester | A rating |
| DIMENSION FOUR TECHNOLOGY LIMITED | London | A rating |
| DIMENSION PRINT LTD | LONDON | A rating |
| Dimensional Fund Advisors Ltd | London | A rating |
| Dimensions (UK) Limited | Reading | A rating |
| Dimex Sports Ltd | Romford | A rating |
| Dimilio Ltd | London | A rating |
| DIMIS CONSTRUCTION LTD | LONDON | A rating |
| Dimitris | Manchester | A rating |
| Dimmingsdale Bridge Garden Centre Limited | Wolverhampton | A rating |
| Dimple Services Limited T/A Dimple Glazing | Hayes | A rating |
| Dimples Limited | Manchester | A rating |
| Din & Din Limited T/A Subway | London | A rating |
| DIN AND ASSOCIATES LTD | HALIFAX | A rating |
| DIN DINS (UK) LTD | PERTHSHIRE | A rating |
| Dina Foods Limited | London | A rating |
| Dina International Limited | Leicester | A rating |
| DINAJI LTD | Warwick | A rating |
| DINAKAMAL DK01 LONDON LIMITED | London | A rating |
| Dincer Logistics Limited | Waltham Cross | A rating |
| Dincha Limited | Wembley | A rating |
| DIND Ltd. | Walsall | A rating |
| Dine & Go Ltd | Armthorpe | A rating |
| DINE IN TABLE LIMITED | Cardiff | A rating |
| DINE INDIA (LONDON) LIMITED T/A BOMBAY CENTRAL | HARROW | A rating |
| Dine India Cuisine Limited | Tywyn | A rating |
| DINEMINGLE LTD t/a Gaylord Restaurant | Weybridge | A rating |
| DINETH LIMITED | MANSFIELD | A rating |
| DineticQ Ltd | Loughborough | A rating |
| Ding Dong Dim Sum Ltd | London | A rating |
| Ding Tea UK Ltd | Southampton | A rating |
| DINGLE PARK PRACTICE | Liverpool | A rating |
| Dingley Dell Limited | Woodbridge | A rating |
| Dingo Recruitment Ltd | London | A rating |
| DINGWALL AUTOS LIMITED | LIVERPOOL | A rating |