| D & A BUSINESS SOLUTIONS LTD T/A D&A BUSINESS | Romford | A rating |
| D & A Private Ltd | London | A rating |
| D & B BEDS LTD | Glasgow | A rating |
| D & B HAULAGE LTD | Hounslow | A rating |
| D & C MANAGEMENT SERVICES LTD | Northolt | A rating |
| D & D Supermarket | Mansfield | A rating |
| D & F OIL UK LTD | Towcester | A rating |
| D & F Rustique Ltd | York | A rating |
| D & G Construction & Development Ltd | Feltham | A rating |
| D & G Driving Limited | Corby | A rating |
| D & G Italia Limited | Crewkerne | A rating |
| D & H CONTRACTORS LTD | Canvey Island | A rating |
| D & H Hunt News | Aylesbury | A rating |
| D & H LAMAMA LIMITED | Wigan | A rating |
| D & I Sons LTD | Immingham | A rating |
| D & J Convenience Store Sponsor Licence | Burton-on-Trent | A rating |
| D & Jones LLP | London | A rating |
| D & K STORES (YORK) LIMITED T/A D & K STORES | YORK | A rating |
| D & K Superstore Limited | Bedford | A rating |
| D & L CARE HOMES LIMITED | Birmingham | A rating |
| D & L EPSOM LIMITED | Epsom | A rating |
| D & L FOOD AND WINE LTD | Stoke -on- Trent | A rating |
| D & L STANTON LTD | Bury St. Edmunds | A rating |
| D & M Dorset Limited | Crewkerne | A rating |
| D & M Food & Wine | London | A rating |
| D & P Advisors LLP | London | A rating |
| D & P News | Sheffield | A rating |
| D & P RETAIL LIMITED T/A A5 Stores | Tamworth | A rating |
| D & R WARLINGHAM LTD. | Surrey | A rating |
| D & S Food and Wine | Bedfordshire | A rating |
| D & S Gethin | Welshpool | A rating |
| D & S HOMES LEICESTER LIMITED | Leicester | A rating |
| D & SONS RETAILS LTD T/A LONDIS | Andover | A rating |
| D & T RETAIL LTD | London | A rating |
| D & V Property & Investment Limited | Slough | A rating |
| D & X LTD | BELVEDERE | A rating |
| D & Y PALMYRA LONDON LTD | LONDON | A rating |
| D &T Refrigeration Limited | London | A rating |
| D A Languages Ltd | Stretford | A rating |
| D A McArthur | Esher | A rating |
| D AND K DENTAL CARE | Sheffield | A rating |
| D B Cleaners & Launderers Ltd | Cardiff | A rating |
| D Brash & Sons Ltd | Glasgow | A rating |
| D C BEAUTY GROUP LTD | London | A rating |
| D C Coventry Limited | Coventry | A rating |
| D C I & E FOOD LTD | LONDON | A rating |
| D Commissioning Services Ltd | Kings Hill | A rating |
| D DINING LTD T/A PUBALI BROTHERS TANDOORI | POTTERS BAR | A rating |
| D G Double Glazing | London | A rating |
| D G TEXTILE COLLECTION LTD | BRIDGEND | A rating |
| D GEDDES (CONTRACTORS) LTD | ARBROATH | A rating |
| D GELATO | Kempston | A rating |
| D GRANDE LTD | LONDON | A rating |
| D Hampshire Consulting Limited | Chalfont, St Giles | A rating |
| D J Cats Limited | West Horsley | A rating |
| D J Howard Ltd | Milton Keynes | A rating |
| D J MITCHELL LIMITED | Hornsea | A rating |
| D Junat Limited | Glasgow | A rating |
| D K Amit Ltd | Glasgow | A rating |
| D K OBENG GROUP OF COMPANIES LIMITED | Croydon | A rating |
| D K OBENG GROUP PROPERTIES LIMITED | Croydon | A rating |
| D K STORES LTD | Barry | A rating |
| D K Windows Limited | Birmingham | A rating |
| D L Carter & Son Chemists Ltd | south shields | A rating |
| D L Hudson Limited | London | A rating |
| D L TORO LIMITED | Bushey | A rating |
| D M & A MACLEOD LIMITED | Ullapool | A rating |
| D Mccain Racing Ltd | Malpas | A rating |
| D MILL HILL BARBER LIMITED | London | A rating |
| D Morgan Welding Ltd | Whitstable | A rating |
| D O I Construction Limited | Manchester | A rating |
| D PARRY PHARMACY | LONDON | A rating |
| D Q Boats Limited | Devon | A rating |
| D R INVESTMENT GROUP LIMITED | Welshpool | A rating |
| D R JONES YEOVIL LTD | Yeovil | A rating |
| D ROY LIMITED | SWINDON | A rating |
| D S A Drinks LTD | Dudley | A rating |
| D S Burge and Co Ltd | London | A rating |
| D S LASER CLINIC LTD | London | A rating |
| D S Property Finance Ltd | London | A rating |
| D S TOTAL SOLUTIONS LTD | Watchfield | A rating |
| D SENSE THERAPY LTD | London | A rating |
| D T CARE SERVICES LTD | Birmingham | A rating |
| D TECH LONDON LTD | Barking, | A rating |
| D V SHAH & CO LTD | LONDON | A rating |
| D Ventress Limited | Leeds | A rating |
| D Y Food Limited | Workington | A rating |
| D Z FOOD STORE LIMITED | sheffield | A rating |
| d-fine Ltd | London | A rating |
| D-Link (Europe) Limited | Harrow | A rating |
| D-SKY LTD | Sale | A rating |
| D-TEK SERVICES LTD | Burnley | A rating |
| D-Triumph Care Limited | Enfield | A rating |
| D-WAY SERVICES LTD | Bromley | A rating |
| D,CENT CUTZ LTD | SOUTHAMPTON | A rating |
| d:class automotive Limited | Chobham | A rating |
| D. E. Shaw & Co. (U.K.), Ltd. | London | A rating |
| D. Edwards-Brown & Co Limited | Barnsley | A rating |
| D. I . Design & Development Consultants (UK) Limited | London | A rating |
| D. I. Harries Ltd | Durham | A rating |
| D. McGhee & Sons Ltd | Glasgow | A rating |
| D. Price & Associates Ltd. | Solihull | A rating |
| D.I HALAL MEAT LIMITED | Burnley | A rating |
| D.J. Haswell Limited t/a Bluebird Care | Boldon | A rating |
| D.J. LAWSON & PARTNERS LLP | London | A rating |
| D.K. Tool Limited | West Drayton | A rating |
| D.M.F. MUSIC LTD | Exeter | A rating |
| D.M.J. PROFILE TYRES LIMITED | Aveley | A rating |
| D.McKay (Fruiterers) Limited | London | A rating |
| D.OSTEEN Ltd t/a D.Osteen Homecare Support | Newbury | A rating |
| D.P.D. Limited | Glastonbury | A rating |
| D.R. Holdings Ltd | Plymouth | A rating |
| D.R. Wakefield & Company Limited | London | A rating |
| D.R.C Locums Limited | Buckinghamshire | A rating |
| D.S Trading Ltd | Liverpool | A rating |
| D.S.Q International Ltd | Rochdale | A rating |
| D'Addario UK Ltd | Newcastle upon Tyne | A rating |
| D'auria Brothers Ice Cream & Catering Ltd | London | A rating |
| D'LUX SALON | DUNGANNON | A rating |
| D'MODISH FINGERFOODS AND BAKES LTD | Gateshead | A rating |
| D'SILVA LIMITED | London | A rating |
| D& D Restaurant LTD | London | A rating |
| D&A COMMERCIAL CLEANING LTD | Milton Keynes | A rating |
| D&A ENGINEERING LTD | HITCHIN | A rating |
| D&A Home&Garden Limited | Bordon | A rating |
| D&A RETAILS LTD T/A PREMIER LONGRIDGE | PRESTON | A rating |
| d&b audiotechnik GB Limited | Stroud | A rating |
| D&B SOLUTIONS UK LIMITED | London | A rating |
| d&b solutions UK Ltd | London | A rating |
| D&B Trading London Limited T/A Nisa Local | London | A rating |
| D&C BLINDS LTD | Leicester | A rating |
| D&D BUSINESS SERVICES LTD | Leeds | A rating |
| D&D Engineering | Tollesbury | A rating |
| D&D Patel Limited | Romford | A rating |
| D&D Porter Limited T/A Caremark (Guildford & Woking) | Woking | A rating |
| D&D Porter LTD | Woking | A rating |
| D&G Block Management Limited | London | A rating |
| D&G Care Services Ltd | Liverpool | A rating |
| D&G Dreams Ltd | Newark | A rating |
| D&G Lettings Ltd | Barking | A rating |
| D&G PRIVATE LTD | GATESHEAD | A rating |
| D&G Property and Investment Ltd | Slough | A rating |
| D&G Restaurant Limited | Tonbridge | A rating |
| D&G Retail Ltd | Leeds | A rating |
| D&G SP Z.O.O Limited | Rugby | A rating |
| D&H BROTHERS LTD TRADING AS ICKLEFORD STORE | HITCHIN | A rating |
| D&H Fashions Ltd | Ilford | A rating |
| D&I FOODS LTD | SLOUGH | A rating |
| D&J CARE SERVICES-RESIDENTIAL LTD | Belvedere | A rating |
| D&JUK LTD | Gerrards Cross | A rating |
| D&M SERVICE PROVIDER LTD | Rotherham | A rating |
| D&MG Ltd T/A Aroma | Gravesend | A rating |
| D&N Convenience Store Limited T/A Premier Willow Road Store | Castleford | A rating |
| D&N SERVICES LTD | London | A rating |
| D&R Retail Ltd | Portsmouth | A rating |
| D&S MIDLANDS TRANSPORT LTD | Wolverhampton | A rating |
| D&S PROPERTY RENOVATION SERVICES LIMITED | Greenford | A rating |
| D1 TRAVEL LTD | LONDON | A rating |
| D13 LTD | ILFORD | A rating |
| D18 Works Limited | London | A rating |
| D1LON LIMITED | Winchester | A rating |
| D2 Global Ltd | Manchester | A rating |
| D2 Legal Technology Ltd | London | A rating |
| D2 Network Associates Limited | Stoke on Trent | A rating |
| D2D Foods Ltd | Hounslow | A rating |
| D2D Retail Ltd | Buckhaven, Leven | A rating |
| D2E International VT Consultants Ltd | London | A rating |
| D2I DATA MANAGEMENT LIMITED | Wembley | A rating |
| D2L Europe Limited | London | A rating |
| D2O (BEDFORD) LTD T/A DOMINO'S PIZZA | BEDFORD | A rating |
| D2SCO LIMITED | Elland | A rating |
| D2U BRISTOL LTD | BRISTOL | A rating |
| D3 Projects Limited | London | A rating |
| D3Collective Limited | London | A rating |
| D3R Ltd | Chichester | A rating |
| D4 MEDICALS LTD | BIRMINGHAM | A rating |
| d4dentistry Ltd | Shetland | A rating |
| D4S HEATING AND PLUMBING LTD | Edgware | A rating |
| D6 Culture Ltd | Newcastle upon Tyne | A rating |
| DA BUREAU LIMITED | London | A rating |
| DA CAPO ITALIAN FOOD & BEVERAGE LTD | Bath | A rating |
| DA GI LIMITED | Ilford | A rating |
| DA Global (UK) Ltd | Wembley | A rating |
| DA MOUNT LTD T/A Da Mount Gurkha | LIVERPOOL | A rating |
| DA N & JM Parkhouse | Saint Austell | A rating |
| DA PLATING JIGS LTD | Birmingham | A rating |
| DA STREAMS LTD | Gravesend | A rating |
| DA Systems Ltd | High Wycombe | A rating |
| DA VINCI BATTERSEA LTD | London | A rating |
| Da Vinci Capital Management UK Ltd | London | A rating |
| DA VINCI ENGINEERING LTD | LONDON | A rating |
| DA' WATUL ISLAM UK & EIRE LIMITED | London | A rating |
| DAA-M PROPERTY MANAGEMENT LTD | Newport | A rating |
| Daabon UK Ltd | Windsor | A rating |
| DAACI Limited | London | A rating |
| DAAKS (UK) LTD T/A GROVE PHARMACY | LONDON | A rating |
| DAANI'S DESIGNS LTD | Walsall | A rating |
| daappa Limited | London | A rating |
| Daarf Solutions Limited | Watford | A rating |
| DAARRE PRIVATE LTD T/A VRISH Authentic Indian Restaurant | Benfleet | A rating |