| Kashmir Youth Project | Rochdale | A rating |
| Kashmiri Karahi Slough Ltd | Slough | A rating |
| Kashvi Limited T/A Dosa Village | Rugby | A rating |
| Kashvi Technosoft Ltd | Berkshire | A rating |
| KASI Build Ltd | Wallington | A rating |
| Kasi Traders Ltd | Rushden | A rating |
| Kasia's hospitality limited T/A Spice Quarter | Cardiff | A rating |
| KASKA TRADING LTD T/A ONE STOP | BARNSLEY | A rating |
| Kasko Ltd | London | A rating |
| KASMO GROUP LTD | Manchester | A rating |
| Kason Europe Limited | Macclesfield | A rating |
| Kaspa Newport Ltd | Newport | A rating |
| Kaspa Southwest Ltd | Milton Keynes | A rating |
| KASPA'S (NW) LIMITED TA KASPAS | Yeovil | A rating |
| Kaspa's Barry Island | Barry Island | A rating |
| KASPA'S CWMBRAN LTD | Cwmbran | A rating |
| Kaspa's Desserts | Preston | A rating |
| Kaspas | Dover | A rating |
| Kaspas Blackburn Limited | Blackburn | A rating |
| Kaspas Exeter Ltd | Exeter | A rating |
| Kaspas Fareham Limited | Fareham | A rating |
| KASPAS TAUNTON LTD T/a Kaspas | Taunton | A rating |
| Kaspas West Croydon Ltd t/a Kaspas Croydon | Croydon | A rating |
| Kaspersky Lab UK Limited | London | A rating |
| KASPO ACADEMY LTD | ILFORD | A rating |
| Kassa Coffee | St Leonards-on-sea | A rating |
| KASSA PROPERTY DEVELOPMENT UK LTD | BARNET | A rating |
| Kassel Media Ltd | Greater London | A rating |
| Kassia | Milton Keynes | A rating |
| KASSMA LTD | Ilford | A rating |
| Kast Local Limited | Basildon | A rating |
| Kastalia Ltd | Wakefield | A rating |
| Kasthury Limited | Sychdyn | A rating |
| Kastien Coffee Ltd | Oxford | A rating |
| KASTIEN LTD t/a PIZZA HUT | STAINES | A rating |
| Kastner London Limited | London | A rating |
| Kastoor Limited | Leeds | A rating |
| KASTRATI BUILDING MAINTENANCE LTD | Crawley | A rating |
| Kasts Ltd | Watford | A rating |
| Kasturi Southport Limited | Southport | A rating |
| Kasturi Traders Limited T/a C Mobile | Northampton | A rating |
| Kaswa Trader Ltd t/a M&N Licenced Grocers | Falkirk | A rating |
| Kat Creativ Ltd | Colchester | A rating |
| KATABA Japanese Knives Limited | London | A rating |
| Katalysys Ltd | London | A rating |
| KATALYZT UK ENTERPRISES LTD | Preston | A rating |
| KATAM TECHNOLOGIES LTD | MAIDENHEAD | A rating |
| Kataman UK Limited | Bristol | A rating |
| Katamaran Capital LLP | London | A rating |
| KATANA (GRANTHAM) LTD T/A KATANA JAPANESE CUISINE GRANTHAM | GRANTHAM | A rating |
| Katana An Ltd | Spalding | A rating |
| KATANA CREATIVE MEDIA LIMITED | LONDON | A rating |
| Katana Entertainment Limited | Manchester | A rating |
| Katapult Ltd | Derby | A rating |
| Kataria Leicester Limited | Leicester | A rating |
| KATARIA MARKET LTD | Rochdale | A rating |
| KATARTIZO LIMITED | Lincoln | A rating |
| Katch Investment Management Limited | London | A rating |
| Kate Gould Gardens Ltd | Radlett | A rating |
| Kate Moross Limited | London | A rating |
| Kate Moss Agency | London | A rating |
| Kateg Limited | Newry | A rating |
| KATEY'S HOUSE LIMITED | Kingston, | A rating |
| Kathaka Advisers Limited | London | A rating |
| Kathamandu Ltd | Crieff | A rating |
| Katharine Lady Berkeley's School | Wotton under Edge | A rating |
| Katharine Pooley Limited | London | A rating |
| Katharshaan Food & Wine | Leicester | A rating |
| KATHBEAUTYBAR LIMITED | Manchester | A rating |
| KATHERINE ESTATES LIMITED | London | A rating |
| Kathir & Sons Ltd | Wirral | A rating |
| Kathirgamanathan Muralitharan | London | A rating |
| KATHIRON LTD | Wimborne | A rating |
| KATHMANDU AND PALPA LIMITED T/A ROYAL GURKHA | Nottingham | A rating |
| KATHMANDU DESIGN AND BUILD LIMITED | Northolt | A rating |
| Kathryn Homes Limited | Belfast | A rating |
| Kathryn Macdonald Limited | Colchester | A rating |
| Katies Kitchen | London | A rating |
| Katmex Ltd | Stockton-On-Tees | A rating |
| Kato Enterprises Limited | Croydon | A rating |
| Katoni Engineering Limited | Aberdeen | A rating |
| KATRYAN TECHNOLOGIES LTD | LONDON | A rating |
| Katsuma Modern Japanese Ltd | London | A rating |
| KATTA MITTA LTD T/A Curry Leaf | Cinderford | A rating |
| Katten Muchin Rosenman UK LLP | London | A rating |
| KATTUMARAM LTD T/A NADU | Bristol | A rating |
| KATTZ GROUP LIMITED | LETCHWORTH | A rating |
| KAU Media Group Ltd | Hammersmith | A rating |
| Kaur and Kour Dental T/A The Thatch Dental Practice | Bury St Edmunds | A rating |
| KAUR L & CO LTD T/A One Stop & Post Office | Shropshire | A rating |
| Kaur Services Ltd | Slough | A rating |
| KaurMaxwell Ltd | London | A rating |
| Kaushik Financial Services Ltd | Milton Keynes | A rating |
| Kaushik Properties Limited | Miltonkeynes | A rating |
| kav food and wine | croydon | A rating |
| KAV Interiors Ltd | London | A rating |
| Kav Stores Limited T/A Nisa Local | Nottingham | A rating |
| KAV TRADING LIMITED | Leigh-On-Sea | A rating |
| Kavanaghs Belsize Ltd | London | A rating |
| KAVEE INNOVATION LTD | LUTON | A rating |
| Kaveltech Limited | Buckinghamshire | A rating |
| Kavendish Court Hotels Limited | London | A rating |
| Kaveri | Colchester | A rating |
| KAVI COFFEE MANAGEMENT LIMITED | Winchester | A rating |
| KAVI DOMINIC LTD | Leicester | A rating |
| KAVI RETAIL LIMITED T/A ESSO | Guisborough | A rating |
| Kavi Victoria Store | Ashford | A rating |
| Kaviari UK Limited | London | A rating |
| KAVIN DS LTD | Croydon | A rating |
| KAVIN RETAIL LTD | Yateley | A rating |
| Kavinila Ltd | Swindon | A rating |
| Kavish Retail Ltd T/A High Felling News & Post Office | Tyne And Wear | A rating |
| KAVISHAN LTD | Broxbourne | A rating |
| Kavitha Retail Ltd | Prescot | A rating |
| KAVITHA SUTHARSAN T/A MAHALAXMY SILKSKAVITHA SUTHARSAN T/A MAHALAXMY SILKS | LONDON | A rating |
| KAVM LIMITED T/A HILTON PHARMACY | LONDON | A rating |
| Kavor Limited T/A Xtrim Salon | London | A rating |
| KAVYA ENTERPRISE LTD | STANMORE | A rating |
| KAVYA STORE | CHIPPENHAM | A rating |
| Kavyaa Accountancy Limited | Watford | A rating |
| Kawai UK Ltd | Milton Keynes | A rating |
| Kawal and Nancy International Ltd T/A Nags Head Market | Islington | A rating |
| Kawaru Co Ltd (T/A Kawaru Stores) | Oldham | A rating |
| Kawasaki Heavy Industries (UK) Ltd. | London | A rating |
| Kawasaki Motors UK | Bourne End | A rating |
| Kawasaki Precision Machinery (UK) Ltd | Plymouth | A rating |
| KAWCHER AZAD LIMITED | Manchester | A rating |
| Kawi Foods Limited T/A Burger and Sauce | Birmingham | A rating |
| Kawib Solutions Ltd | Brixton, | A rating |
| Kaxton Advisory Ltd | Mitcham | A rating |
| KAY COFFEE COMPANY LTD | Sudbury | A rating |
| KAY MART LTD T/A DAY-TODAY | COATBRIDGE | A rating |
| Kay Pilsbury Architects Ltd. | SAFFRON WALDEN | A rating |
| KAY PLUS LIMITED | HARROW | A rating |
| Kay Services (UK) Limited | London | A rating |
| Kay Street Baptist Church | Rossendale | A rating |
| KAY-VIVA LTD | London | A rating |
| Kay's Kitchen (International) Ltd | Mitcham | A rating |
| KAY3 SERVICES NE LTD | GATESHEAD | A rating |
| Kaya Advisory Ltd | London | A rating |
| Kaya Builders Limited | Harrow | A rating |
| Kaya Inc Ltd | London | A rating |
| KAYA TRADERS | LONDON | A rating |
| Kayak Software (UK) Limited | London | A rating |
| Kayana World LTD | London | A rating |
| Kayanis Restaurants Limited | High Wycombe | A rating |
| KAYANNI LTD | London | A rating |
| Kayanx Group Ltd t/a Blue Water & Co | Nottingham | A rating |
| Kayas York Limited | York | A rating |
| KAYATHRI RAMESHKUMAR TRADING AS COVINGHAM MINIMARKET | WILTSHIRE | A rating |
| KAYCEE FIRST STEP CHILDMINDER LTD | London | A rating |
| Kayd Somali Arts and Culture | London | A rating |
| KaydeeSayfa Limited | Shepshed | A rating |
| KAYDEN LIMITED | Benfleet | A rating |
| Kayders Solicitors | Euston Square | A rating |
| Kayes Hotels Ltd | Wakefield | A rating |
| KAYFLEX (UK) LTD | Dewsbury | A rating |
| KAYLAN SHAH LTD T/A SAVEMORE PHARMACY | WOOD GREEN | A rating |
| Kayline Recruitment Lmited | Stockport | A rating |
| Kaymans Apparel | Birmingham | A rating |
| KayOS Collective Limited | London | A rating |
| Kayoski Care Ltd | Chigwell | A rating |
| KAYS SUPERMARKET (PL) LTD | Slough | A rating |
| Kaystone Global Resources Limited | London | A rating |
| KAYTONS LTD | Salford | A rating |
| Kayu Bakehouse Limited | London | A rating |
| Kaz Contractors Ltd | Cambridge | A rating |
| KAZ Minerals Limited | London | A rating |
| KAZ RESIDENTIALS LTD | Ilford | A rating |
| KAZ'S KITCHEN LTD | Milton Keynes | A rating |
| KAZAN FOOD LTD | LONDON | A rating |
| Kaze-Consulting | Bath | A rating |
| Kazi Traders Ltd | Cardiff | A rating |
| Kazi Way Limited t/a Direct Retail | London | A rating |
| Kazin Ltd | Canterbury | A rating |
| Kazmec Ltd t/a Paratha Inn | London | A rating |
| Kazmortransflot UK Ltd | London | A rating |
| KAZO-K9 LTD | Sleaford | A rating |
| Kazon Limited | London | A rating |
| Kazpac Packaging Ltd | MIDDLESEX | A rating |
| KAZUMI EXCHANGE ARCADE LTD | Blackburn | A rating |
| KB & A Ltd | Huddersfield | A rating |
| KB & SAN LTD | Birmingham | A rating |
| KB Event Ltd | Pinxton | A rating |
| KB Extruders Ltd. | Birmingham | A rating |
| KB FINTECHSYS LIMITED | Ashford | A rating |
| KB FOOD SERVICES LIMITED | Northolt, | A rating |
| KB GPR Surveys Ltd | Southampton | A rating |
| KB Hair And Beauty LTD | Brentford | A rating |
| KB SPIGOT LTD | Leyburn | A rating |
| KB Sports Hub LTD | Lisburn | A rating |
| KB Transport Solutions Limited | Nuneaton | A rating |
| KB4CARE LIMITED | DONCASTER | A rating |
| KBA CAR PARTS LTD | Barking | A rating |
| KBB GROUP LTD | Glasgow | A rating |
| KBBS Systems UK Ltd | Birmingham | A rating |
| KBC Bank NV | London | A rating |
| KBC Logistics Ltd | PURFLEET | A rating |
| KBC Pr & Marketing Ltd | Haywards Heath | A rating |
| KBC Process Technology Ltd | Walton on Thames | A rating |