| KMG Recruitment Ltd | London | A rating |
| KMG TRADING & CO LTD | London | A rating |
| KMGM Enterprises Limited | Margate | A rating |
| KMI London Ltd | Sutton | A rating |
| Kmine Info Solutions Limited | Amersham | A rating |
| KMJ Convenience Stores Limited | West Bromwich | A rating |
| KMJ STORE LTD | Rochdale | A rating |
| KMK Automotive Limited | Leatherhead | A rating |
| KMK COMMUNICATIONS LTD | LONDON | A rating |
| KMK Newmarket Limited | New market | A rating |
| KMP LEGAL SERVICES LIMITED | London | A rating |
| KMS Business Services Ltd | Walthamstow | A rating |
| KMS HARDRANGE LIMITED | Ellesmere Port | A rating |
| KMS TYRE WHOLESALE LIMITED | Derby | A rating |
| KMT TRANSPORT SERVICES LTD | Bedfordshire | A rating |
| KMTH Limited | Reading | A rating |
| KMVAKEES LTD | Malvern | A rating |
| KMX Care Ltd | Worthing | A rating |
| KMY LIMITED T/A ESSO | Grays | A rating |
| KN BODYSHOP LTD | SCARBOROUGH | A rating |
| KN FOODS (UK) LIMITED | Stockport | A rating |
| KN Kent Ltd | Sittingbourne, Kent | A rating |
| KN PATEL LTD | Llanedeyrn | A rating |
| KN Subcontractor LTD | Wolverhampton | A rating |
| KN03 TRADING LTD T/A MAMA MASALA | LONDONDERRY | A rating |
| KN1SERV LTD | Luton | A rating |
| KNA FOODS LIMITED | Morden | A rating |
| KNA Retail Limited | Romsey | A rating |
| KNACKTRADERS LIMITED | Ilford | A rating |
| Knah Limited | Grays | A rating |
| Knapp UK ltd | Chalgrove | A rating |
| Knaresborough Cricket Club | Knaresborough | A rating |
| KNARKZ SOLUTIONS LIMITED | Leeds | A rating |
| Knauf (UK) GmbH | Sittingbourne | A rating |
| Knauf Ceiling Solutions Ltd | Uxbridge | A rating |
| KNAUF INSULATION LIMITED | ST HELENS | A rating |
| KNAV Advisory Limited | Harrow | A rating |
| KNAV LIMITED | Harrow | A rating |
| KNAV Services Limited | Harrow | A rating |
| KNB Trade Ltd. | Cambridge | A rating |
| KNBY (UK) LIMITED | London | A rating |
| KNC Travels Limited | London | A rating |
| KND Truck Services | Bristol | A rating |
| KNDS DEFENCE UK LIMITED | Stockport | A rating |
| KNDS LOGISTICS SOLUTIONS LTD | LONDON | A rating |
| Knells Country House /TA Horizon Residential Homes Limited | Carlisle | A rating |
| Kneu Health Limited | London | A rating |
| KNEWTON PLUS ACADEMY LIMITED | London | A rating |
| Knexus EMEA Limited | London | A rating |
| KNF CONSULTANCY LTD | Luton | A rating |
| KNG Securities LLP | London | A rating |
| Kngstv Ltd | Wolverhampton | A rating |
| Knight Advisory Services Limited | Egham | A rating |
| KNIGHT ARCHITECTS LIMITED | London | A rating |
| Knight Chadwick Limited | London | A rating |
| Knight Dragon Developments Limited | London | A rating |
| Knight Electrical Switchgear Ltd | Ilminster | A rating |
| Knight Frank LLP | London | A rating |
| Knight Home Care Limited | Wilmslow | A rating |
| Knight Home Care Limited T/A Walfinch Greater Manchester South | Wilmslow | A rating |
| Knight Home Living Limited | Harrow | A rating |
| Knight Housing CIC | Birmingham | A rating |
| Knight Kavanagh and Page Ltd | Bury | A rating |
| Knight Piesold Limited | London | A rating |
| Knight R& D Limited | London | A rating |
| KNIGHT RIDERS SECURE LIMITED | Slough | A rating |
| Knight Riders Transport LTD | Feltham | A rating |
| KNIGHT TRADING UK LIMITED T/A KT SECURE | LONDON | A rating |
| Knight Young & Co. (UK) Ltd | London | A rating |
| Knightingles Healthcare (Bedfordshire) Ltd | Biggleswade | A rating |
| Knightingles Healthcare Ltd | Hertfordshire | A rating |
| Knightley Homes GB Ltd | Birmingham | A rating |
| Knightley Homes TW Ltd | Birmingham | A rating |
| KNIGHTON INC LTD | Leicester | A rating |
| Knighton Manor Ltd | Leicester | A rating |
| Knights Brown Construction Ltd | Ringwood | A rating |
| Knights Care (3) Limited | Retford | A rating |
| KNIGHTS CARE LTD | CHESTERFIELD | A rating |
| Knights Chemist Ltd | Redditch | A rating |
| KNIGHTS HOSPITALITY GROUP LTD | Birmingham | A rating |
| Knights Integrated Services Ltd | Birmingham | A rating |
| Knights Lettings and Property Sales Ltd | London | A rating |
| Knights Professional Services | Newcastle under Lyme | A rating |
| Knights Security & Training LTD | Leicester | A rating |
| KNIGHTS TRANSPORT LTD | Quinton | A rating |
| Knightsbridge Care Services Ltd | Birminghasm | A rating |
| Knightsbridge Circle Ltd | Hove | A rating |
| Knightsbridge Consulting Ltd | Borehamwood | A rating |
| Knightsbridge Green | London | A rating |
| Knightsbridge Land Ltd | London | A rating |
| Knightsbridge Land Management Ltd. | London | A rating |
| Knightsbridge Medical Centre | London | A rating |
| Knightsbridge Nail & Beauty Ltd | London | A rating |
| Knightsbridge Property & Lifestyle Management Limited | London | A rating |
| knightsbridge property scotland ltd | glasgow | A rating |
| KNIGHTSBRIDGE SCHOOLS INTERNATIONAL LIMITED | London | A rating |
| KNIGHTSHILL DENTAL PRACTICE LIMITED | London | A rating |
| Knightswood Care Home | Bolton | A rating |
| Knitmesh Technologies Limited | Holywell | A rating |
| KnitRegen Ltd | London | A rating |
| Knitwear Textile UK Limited | Manchester | A rating |
| KNK Foods Ltd T/A Rama Spice | Manchester | A rating |
| KNOCK, INC. | London | A rating |
| Knockagh Rise Nursing home | Carrickfergus | A rating |
| Knockbox cafe | London | A rating |
| Knockengorroch Community Interest Company | Castle Douglas | A rating |
| Knockin Medical Centre | Oswestry | A rating |
| Knockmore Pharmacy | Lisburn | A rating |
| KNOCKOUT KITCHEN THE HEALTHY CHOICE LIMITED | ROCHDALE | A rating |
| Knockout Snacks Ltd | Rochdale | A rating |
| Knoll International Limited | London | A rating |
| Knoll Rise Services Limited | Orpington | A rating |
| Knoops (UKH) Ltd | London | A rating |
| Knorr-Bremse Rail Systems (UK) Limited | Melksham | A rating |
| Knorr-Bremse Systems for Commercial Vehicles Ltd | Bristol | A rating |
| knot pretzels ltd | w105bn | A rating |
| KNOTTED TREASURES LTD | Cheshire | A rating |
| KNOTTS BAKERY LIMITED | Newtownards | A rating |
| know Africa CIO | manchester | A rating |
| Know Mean Feat Group Ltd | Horley | A rating |
| KNOW-IT (GLOBAL) LTD | GLASGOW | A rating |
| KNOW. CONSULTING LIMITED | Tonbridge | A rating |
| Knowadays Ltd | London | A rating |
| KnowBe4 Uk Ltd | Leeds | A rating |
| KNOWBILITY CONSULTANCY LIMITED | Romford | A rating |
| Knowcross Limited | London | A rating |
| KNOWESGATE HOTEL LIMITED | Middlesbrough | A rating |
| Knowle & Dorridge Cricket Club | Solihull | A rating |
| Knowle Court Limited | Wakefield | A rating |
| Knowle court Ltd | Huddersfield | A rating |
| Knowle Cricket Club | Bristol | A rating |
| Knowle House Surgery | Plymouth | A rating |
| Knowle West Media Centre | Bristol | A rating |
| KNOWLEDGE COUNTY TUITION LTD | DAGENHAM | A rating |
| Knowledge Exchange Group Limited | London | A rating |
| Knowledge Integration Ltd | Sheffield | A rating |
| KNOWLEDGE MERCHANDISING LTD | Milton Keynes | A rating |
| Knowledge Nest Ltd | Ilford | A rating |
| Knowledge Quarter | London | A rating |
| Knowledge Schools Trust | London | A rating |
| KnowledgeBrief Ltd. | London | A rating |
| Knownorigin Labs Limited | Manchester | A rating |
| KnowNow Information | Portsmouth | A rating |
| Knowsley Disability Concern | Liverpool | A rating |
| Knowsley Foodbank | Kirkby, Liverpool | A rating |
| Knowsley Metropolitan Borough Council | Huyton | A rating |
| Knox Cropper LLP | London | A rating |
| Knox Digital Limited | London | A rating |
| Knox Insolvency Limited | Colwyn Bay | A rating |
| Knoxed Limited | Kidlington | A rating |
| Knoxlink Ltd | Belfast | A rating |
| Knoydart Foundation | Mallaig | A rating |
| KNP Group Ltd | Lutterworth | A rating |
| KNSI Aviation Engineering Ltd | STANSTED | A rating |
| KNT London Limited | London | A rating |
| Knucklehead Limited | London | A rating |
| KNWZ Limited | Wallington | A rating |
| Knypersley Cricket Club | Stoke-on-Trent | A rating |
| KO & KO BUILDERS LTD | London | A rating |
| Ko Dental Practice | London | A rating |
| Ko-Fi Labs Limited | Cambridge | A rating |
| KOA Stafford Ltd | Stafford | A rating |
| KOA WARRINGTON LTD | WARRINGTON | A rating |
| KOA WIGAN LTD | Wigan | A rating |
| Koala FX Ltd | London | A rating |
| Koala IT Ltd | Witney | A rating |
| KOAN ADVENTURES LTD | Chalford | A rating |
| KOASTA LIMITED | High Wycombe | A rating |
| Kobalt Music Group Limited | London | A rating |
| Kobayashi Healthcare Europe, Ltd. | London | A rating |
| Kobe Trading UK Limited | Leicester | A rating |
| KOBELCO ECO-SOLUTIONS CO., LTD | London | A rating |
| Kobinath Nithiyanantham T/A Mill Street Food & Wine | Leek | A rating |
| KOBIR EMPLOYMENT AGENCY LTD | Birmingham | A rating |
| KOBKUN LIMITED | London | A rating |
| KOBKUN TEA LTD | LONDON | A rating |
| KOBKUN THAI THERAPY LTD | London | A rating |
| Kobo Products Ltd | Abingdon | A rating |
| KoBold Metals UK Limited | London | A rating |
| Kobre & Kim (UK) LLP | London | A rating |
| KOBY BARBERS LTD | Walsall | A rating |
| Koch Engineered Solutions Limited | Stoke on Trent | A rating |
| Koch Fertilizer International Limited | London | A rating |
| Koch Supply and Trading Company | London | A rating |
| KOCH TRADING LIMITED | LONDON | A rating |
| Kochak Ltd | Coventry | A rating |
| KOCHAY EXCHANGE LTD | Southall | A rating |
| KOCHCHI LTD | Edinburgh | A rating |
| KOCHHOUSE SIGNATURES LIMITED | PETERBOROUGH | A rating |
| Kochin UK Ltd | Romford | A rating |
| Kocho Group Ltd | Cardiff | A rating |
| Koda Staff Limited | London | A rating |
| Kodak Limited | Watford | A rating |
| Kodali Enterprise Limited | SKEGNESS | A rating |
| Kodamai Limited | Glasgow | A rating |
| Kode Media Ltd | London | A rating |
| Kode Solutions Ltd | Walsall | A rating |
| Kodelab Ltd | London | A rating |
| KODEV INFOTECH LTD | Chichester | A rating |
| KodyPay Ltd | Windsor | A rating |