| A.B.F. Holdings Limited | Peterborough | A rating |
| A.C.C.E.S.S 2016 LIMITED | Sutton-In-Ashfield | A rating |
| A.C.T. London Limited | London | A rating |
| A.D Recycling Solutions | Birmingham | A rating |
| A.D.I.Scotland LTD | Edinburgh | A rating |
| A.D.K. Kooling Ltd | Uxbridge | A rating |
| A.E Equestrian | MARKET DRAYTON | A rating |
| A.E Pharma LTD T/A Matlock pharmacy | Brighton | A rating |
| A.G. Barr PLC | Cumbernauld | A rating |
| A.G. Parfett and Sons Limited | Stockport | A rating |
| A.G.E. & CO. COMPANY LIMITED T/A THE RUG | London | A rating |
| A.G.E. Nursing Homes Limited | Ilford | A rating |
| A.G.G. (Coventry) Limited | Coventry | A rating |
| A.H.P. MEDICAL SUPPLIES LTD | London | A rating |
| A.I. PR LTD | Watford | A rating |
| A.I.D BUILDERS LTD | Bradford | A rating |
| A.I.O. Trading Co UK Ltd | Wakefield | A rating |
| A.J Mini Express Ltd | Scunthorpe | A rating |
| A.J Worldwide Services Ltd. | West Drayton | A rating |
| A.J. FAIRLEE LIMITED | London | A rating |
| A.J. WATSON LTD | BALLYMENA | A rating |
| A.J.Armstrong & Sons Ltd | Maghera | A rating |
| A.K BUILDER LONDON LTD | Croydon | A rating |
| A.K Marine Services Ltd | Peterborough | A rating |
| A.K Medical Consultancy Ltd. T/A Cockerton Pharmacy | Darlington | A rating |
| A.K. HALAL MEATS LIMITED | Birmingham | A rating |
| A.L.M BEDFORD LTD T/A Indiya | Bedford | A rating |
| A.L.S Hotels Limited t/a King Solomon Hotel | London | A rating |
| A.L.S Trade Ltd | Hertford | A rating |
| A.M KITCHENS AND WARDROBES LTD | Nelson | A rating |
| A.M. Best Europe Rating Services Limited | London | A rating |
| A.M. LONDON FASHION LTD | Manchester | A rating |
| A.M. Nomikos & Son (UK) Ltd | London | A rating |
| A.M. Qattan Foundation | London | A rating |
| A.M.Corner Shop Ltd T/A The Corner Shop - Premier | Plymouth | A rating |
| A.M.U DESSERTS LTD | Rochdale | A rating |
| A.McCrea and sons LTD | Stewartstown | A rating |
| A.Menarini Farmaceutica Internazionale SRL-UK Branch | High Wycombe | A rating |
| A.N.G.Medics LTD | Ilford | A rating |
| A.N.P BLACKHORSE NEWS & WINE | COVENTRY | A rating |
| A.P.A. (Blackpool) Limited | Blackpool | A rating |
| A.P.L.E. (MILTON KEYNES) LTD | Bedford | A rating |
| A.P.S. Auto Parts Ltd | Crossmaglen | A rating |
| A.P.T HGV | Cricklade Swindon | A rating |
| A.P.T. Capital | London | A rating |
| A.Poortman (London) Limited Trading AGT Poortman | London | A rating |
| A.Q. SKIN SOLUTIONS LIMITED | BURNHAM | A rating |
| A.R Racking SA t/a AR Storage Solutions UK | Slough | A rating |
| A.R.M TECHNOLOGIES LIMITED | Bournemouth | A rating |
| A.R.T.I. SERVICES LTD T/A Manor Farm Residential Home | Bath | A rating |
| A.S. Brill & Co Ltd | London | A rating |
| A.S. BUILDERS (YORKSHIRE) LTD | Bradford | A rating |
| A.S. GULF SERVICES (U.K.) LIMITED | Cardiff | A rating |
| A.S. LIMITED | Kettring | A rating |
| A.S.A BIRMINGHAM LTD | Birmingham | A rating |
| A.S.AUTOS LEICESTER LIMITED | LEICESTER | A rating |
| A.S.I. (Research) Limited | London | A rating |
| A.S.K. & CO. LTD | Birmingham | A rating |
| A.S.Zanettos & Co. Ltd | London | A rating |
| A.T Cronin Workshop Limited | London | A rating |
| A.T Nails Spa Southampton LTD | Southampton | A rating |
| A.T.C Colours Limited | Stoke-on-Trent | A rating |
| A.T.E. Solutions Ltd | Blisworth | A rating |
| A.T.S.UK PRIVATE LIMITED t/as Eden Off Licence | Rotherham | A rating |
| A.U MANCHESTER LIMITED | Manchester | A rating |
| A.ULLAH LTD | Inverness | A rating |
| A.V. ATKINSON (FOURWAYS) LTD. | Sandhurst | A rating |
| A.Vincent Solicitors Limited | Woolwich | A rating |
| A.W. CAVANAGH (SPITALFIELDS) LIMITED | London | A rating |
| A.W. Jenkinson Forest Products | Penrith | A rating |
| A.Williams & Co. (Solicitors) | LONDON | A rating |
| A.Y Traders Ltd | Manchester | A rating |
| A.Y.A CAR SALES LTD | TIPTON | A rating |
| A.Z Investements Limited | London | A rating |
| A.Z TECHNICAL LIMITED | TEDDINGTON | A rating |
| A/O VC UK Limited | London | A rating |
| A/R Hotels Ltd | Eastbourne | A rating |
| A&1 LTD T/A German Doner Kebab | HOUNSLOW | A rating |
| A&A Associates (London) Limited | London | A rating |
| A&A Auto Service Centre Ltd | Evesham | A rating |
| A&A COMMUNICATION LTD | London | A rating |
| A&A CONTRACTORS MIDLANDS LTD | Handsworth | A rating |
| A&A ENTERPRISES LONDON LTD | London | A rating |
| A&A Halal Meat and Grocery Limited | London | A rating |
| A&A HENLOW LIMITED | Henlow | A rating |
| A&A Homecare Ltd | Luton | A rating |
| A&A Technology | BASINGSTOKE | A rating |
| A&A Tours Services Limited | Birmingham | A rating |
| A&B ANSARI LTD | LONDON | A rating |
| A&B Building & Maintenance Ltd | London | A rating |
| A&B Convenience Store (Wales) Limited | Pontyclun | A rating |
| A&B ELECTRICAL CONTRACTORS LIMITED | Ilford | A rating |
| A&B Engineering (Electrical Service Division) Limited | Liverpool | A rating |
| A&B Engineering (Mechanical Service Division) Limited | Liverpool | A rating |
| A&B Gardening Limited | Shillingdon | A rating |
| A&B Traders (NW) Ltd | Bolton | A rating |
| A&C Global Traders Ltd | London | A rating |
| A&D Food Retail Ltd | London | A rating |
| A&D News | London | A rating |
| A&D Private Limited | Swinton | A rating |
| A&E BROTHERS LTD | EDINBURGH | A rating |
| A&F ASSOCIATES BD LTD | London | A rating |
| A&F PRIME CARE LTD | Southampton | A rating |
| A&F Sprinklers Ltd | Rochdale | A rating |
| A&F TRANSPORT NW LTD | Bolton | A rating |
| A&F Tutors | Croydon | A rating |
| A&G CITY LTD | Londyn | A rating |
| A&G LONDON PRIVATE LTD T/A SUBWAY | IPSWICH | A rating |
| A&H Best Ltd | St Helens | A rating |
| A&H ALLIANCE LIMITED | Ilford | A rating |
| A&H BRIGHTSMILE LTD | Warrington | A rating |
| A&H Pizza UK LTD T/A Dominos Pizza | London | A rating |
| A&I Events Limited | Mountsorrel | A rating |
| A&I FAST FOOD LIMITED t/a Four in One | Bathgate | A rating |
| A&J Assisted Living Ltd | Loughborough | A rating |
| A&J Autos Ltd | Leicester | A rating |
| A&J Big Tops Ltd | Peterborough | A rating |
| A&J Care Limited | Norwich | A rating |
| A&J OFF Licence Ltd | Manchester | A rating |
| A&J Pharma Ltd | Burnham, | A rating |
| A&J PROPERTY & ANIMATION LTD | London | A rating |
| A&J School Limited | London | A rating |
| A&J TRANSIT LTD | Derby | A rating |
| A&K BROTHERS AUTOMOTIVE LTD | Kent | A rating |
| A&K CHOPRA LTD | DONCASTER | A rating |
| A&K Courier Services Ltd | London | A rating |
| A&K RESTAURANTS LTD | Fareham | A rating |
| A&K TRADERS (MCR) LTD | Manchester | A rating |
| A&KI Traders Ltd | Manchester | A rating |
| A&M Architectural Partnership LLP | Hastings | A rating |
| A&M Capital Advisors Europe, LLP | London | A rating |
| A&M Catering Services Ltd, T/A A&M Catering | Chelmsford | A rating |
| A&M CORPORATE LTD | Oldham | A rating |
| A&M Dundee Ltd | Dundee | A rating |
| A&M KITCHENS LIMITED | Birmingham | A rating |
| A&M MOBILES LTD | Wellingborough | A rating |
| A&M QUALITY FOOD LTD | DUDLEY | A rating |
| A&N FAMILY EXPRESS LTD | Barnsley | A rating |
| A&N MOBILE LIMITED T/A FONESOLUTIONS | MERTHYR | A rating |
| A&O RANA T/A A&O LICENCED GROCERS | FALKIRK | A rating |
| A&O Shared Solutions Limited | Bracknell | A rating |
| A&P Accountants Limited | Central Milton Keynes | A rating |
| A&P STOWAGE LTD | Northampton | A rating |
| A&Q Birchills Halal Meat Ltd TA Birchills Halal Meat | Walsall | A rating |
| A&Q Partnership (London) Ltd | London | A rating |
| A&R 3 LTD | ORPINGTON | A rating |
| A&R BUILDING SERVICES LTD | NORTH WEMBLEY | A rating |
| A&R CIVILS LTD | Rugby | A rating |
| A&R CONVENIENCE STORE LIMITED | GODALMING | A rating |
| A&R GUARDIAN SERVICES LIMITED | Leicester | A rating |
| A&R LONDON LTD | London | A rating |
| A&R MEATS (NW) Limited | SALFORD | A rating |
| A&R National Street | Mussulburgh | A rating |
| A&R Properties (London) Ltd | Walthamstow | A rating |
| A&R Refrigeration Services Ltd | Tilbury | A rating |
| A&S 2014 Ltd | Exeter | A rating |
| A&S CONVENIENCE SCOTLAND LTD | Fauldhuose | A rating |
| A&S CORPORATION LIMITED T/A SUBWAY | SUFFOLK | A rating |
| A&S Courier services LTD | Southampton | A rating |
| A&S ENG SERVICES LIMITED | Rochdale | A rating |
| A&S FOOD AND DRINK LTD | Rustington | A rating |
| A&S Kamal Limited | Epsom | A rating |
| A&S Lighting Limited | Newcastle Upon Tyne | A rating |
| A&S MART LTD | London | A rating |
| A&S NETWORK ENTERPRISES LTD | London | A rating |
| A&S R Limited t/as Pepe's Piri Piri | Kilmarnock | A rating |
| A&S RAGS ENTERPRISE LTD | Cheshire | A rating |
| A&S RESCUE SERVICES LIMITED | Leicester | A rating |
| A&S RETAILERS LTD | ASHTON-UNDER-LYNE | A rating |
| A&S SECURITY LIMITED | Bradford | A rating |
| A&S UK PRIVATE LTD TA Royal Halal Meat | Watford | A rating |
| A&S WHOLESALE AND RETAIL LTD | Birmingham | A rating |
| A&S Worldwide Ltd | Barking | A rating |
| A&SH Brickwork Ltd | London | A rating |
| A&SH LIMITED T/A Spice House | Buckie | A rating |
| A&T Caring Services Ltd | Bracknell | A rating |
| A&T STAFFING LTD | LONDON | A rating |
| A&T Trained Dogs Limited | Lancaster | A rating |
| A&U Dental Surgeries Ltd | Market Harborough | A rating |
| A&V Stores Ltd | Luton | A rating |
| A&W CONSTRUCTION AND RENOVATION LTD | LONDON | A rating |
| A&Y BLINDS LTD | Birmingham | A rating |
| A&Y London Limited | London | A rating |
| A&Z CONSULTANTS MANGEMENT SERVICES LTD | NOTTINGHAM | A rating |
| A+J Global Designs Ltd | Bedford | A rating |
| A1 Accountancy (Croydon) LLP | Croydon | A rating |
| A1 AESTHETICS LABORATORY LIMITED | Liverpool | A rating |
| A1 AND EDEN CARS LTD | Weybridge | A rating |
| A1 APPLIANCE REPAIRS LIMITED | Swanley | A rating |
| A1 Auto Claims Ltd | Glasgow | A rating |
| A1 AUTOMAC LTD | Portsmouth | A rating |
| A1 BUILDERS (MIDLANDS) LIMITED | Derby | A rating |
| A1 BUILDING & MAINTENANCE SERVICES LTD | Ilford | A rating |
| A1 BUILDING MERCHANT ESSEX LTD | Ilford | A rating |
| A1 BUMPERS AND GRILLES LIMITED | Bradford | A rating |
| A1 Car Body Repairs Ltd | GLASGOW | A rating |
| A1 CAR SHOP Ltd | Bedfordshire | A rating |
| A1 Care Services Ty Ceirios Nursing Home | Pontypool | A rating |
| A1 CARPETS N FLOOR LTD | BOLTON | A rating |
| A1 Cars | Worcester | A rating |