| Juls London Limited | London | A rating |
| July VII Limited t/a Wykenhurst Residential Home | Hereford | A rating |
| JULYNKA LTD | London | A rating |
| JUM-BO CONSULTING GROUP UK LTD | Aberdeen | A rating |
| JUMA CATERING BRISTOL LTD | Bristol | A rating |
| Juma Jubilee Limited | Chichester | A rating |
| Jumar Solutions Limited | Birmingham | A rating |
| Jumbostore Limited | London | A rating |
| Jumeriah Spice Ltd | Sheffield | A rating |
| Jumi Cheese ltd | London | A rating |
| Jumio UK Ltd | London | A rating |
| JUMMA CATERING LTD, T/A JUBORAJ | BRISTOL | A rating |
| JUMO Europe Limited | London | A rating |
| JUMO UK LTD | Harlow | A rating |
| Jump 2 Independence Ltd | Stoke-on-Trent | A rating |
| Jump Health Ltd | London | A rating |
| Jump Start Centre Limited | Witham | A rating |
| Jump Trading International Limited | London | A rating |
| JUMPSEC Limited | Acton | A rating |
| Jumpstart Careers Ltd | London | A rating |
| Jun Sky Tara Ltd | Camberley | A rating |
| JUNA HEALTH LIMITED | London, | A rating |
| JUNAID TRAVEL LONDON LTD | LONDON | A rating |
| Junair Spraybooths Ltd | Heywood | A rating |
| JUNCTION 11 MOTORS LTD | WOLVERHAMPTON | A rating |
| Junction 6 Limited | Begbroke | A rating |
| Junction CDC Ltd | Cambridge, Cambridgeshire | A rating |
| Junction Connect Limited | London | A rating |
| JUNCTION GADGET LTD | London | A rating |
| JUNCTION MANGAL LTD | LONDON | A rating |
| Junction Motors Watford Ltd | Watford | A rating |
| JUNCTION SURGERY | Huddersfield | A rating |
| JUNCTION TANDOORI LTD | Conwy | A rating |
| June Capital Limited | London | A rating |
| Juneja Telecom Limited | Horsham | A rating |
| Junelight Ltd | London | A rating |
| Junerain Spa & Treatment Clinic | Leamington Spa | A rating |
| JUNEYAO AIRLINES CO., LTD (UK BRANCH) | Manchester | A rating |
| Jung Associates Ltd / JW Corporation Ltd | London | A rating |
| Jung Wang Ltd t/a The British English Academy | Oxford | A rating |
| Jungheinrich UK Limited | Milton Keynes | A rating |
| Jungle Creations Ltd | London | A rating |
| JUNGLE GRILL LTD | MANCHESTER | A rating |
| Jungle Grill Steak House | Stockport | A rating |
| JUNGLE TAX LTD | Andover | A rating |
| JUNGLEES LTD | Barkingside | A rating |
| Juni Financial Limited | London | A rating |
| Juni Limited | London | A rating |
| Junior Adventures Group UK Ltd | Wokingham | A rating |
| JUNIOR AI LIMITED | London | A rating |
| Junior Interiors (UK) Ltd | London | A rating |
| Junior VIPs Nursery Limited | Croydon | A rating |
| Junior's Day Nursery | Cranbrook | A rating |
| Juniper Catering Limited trading as The Flour Pot Bakery | Brighton | A rating |
| JUNIPER COURT CARE LIMITED | Bristol | A rating |
| Juniper Education Limited | Chelmsford | A rating |
| JUNIPER MANTON LIMITED | Salford | A rating |
| Juniper Partners Limited | Edinburgh | A rating |
| Juniper Tech Limited | Coventry | A rating |
| Juniper Trading Ltd | Wellingborough | A rating |
| JUNIVA HOMECARE SERVICES LTD | Livingston | A rating |
| Junk Hunters Franchising Ltd | Wilsden | A rating |
| Junkfish Limited | Glasgow | A rating |
| Juno Food ltd (TA HomeCooks) | London | A rating |
| Juno Genetics Ltd | Oxford | A rating |
| Juno Media Limited | 7-10 Greenland Street, London | A rating |
| Juno Planning and Environmental Ltd | Belfast | A rating |
| Juno Private Wealth Ltd | London | A rating |
| Junova Capital Management LLP | London | A rating |
| Junsterik Ltd | Newcastle Upon Tyne | A rating |
| Jupiter Asset Management Limited | London | A rating |
| Jupiter Care Ltd | Swansea | A rating |
| JUPITER FINCORP LIMITED | NORTHAMPTON | A rating |
| Jupiter Hotels Limited | High Wycombe | A rating |
| Jupitor Corporation | Preston | A rating |
| JURA TRADING LIMITED | Enfield | A rating |
| Juralio Ltd | Dundee | A rating |
| Jurassic Vets | Sidmouth | A rating |
| Juratek Limited | Doncaster | A rating |
| JURE TRANS LTD | Nottingham | A rating |
| Juri London Ltd | London | A rating |
| Jurichez Ltd | Cheshunt | A rating |
| JURIS MATRIX SOLICITORS LIMITIED | LEWISHAM | A rating |
| Jurist & Co Ltd | Blackburn | A rating |
| Jurita Limited | CROYDON | A rating |
| Jurnni International Limited | Rochdale | A rating |
| Juro Online Limited | London | A rating |
| Juru Limited | London | A rating |
| Jury O'Shea LLP | London | A rating |
| Jus Wines (Charu) | Leicester | A rating |
| Jusaki Property Management Ltd T/A AlohaHosting | Liverpool | A rating |
| Jusan Technologies Ltd | London | A rating |
| JUSS Marketing Limited | Slough | A rating |
| JUST 4X4 SPARES LIMITED | WATFORD | A rating |
| JUST A BITE LTD | Croydon | A rating |
| JUST A STEP UK LTD T/A ESSO | Staffordshire | A rating |
| Just Ask Estate Services Ltd | Byfleet | A rating |
| Just Audit & Assurance Ltd | Witney | A rating |
| Just Bedrooms and Kitchens Ltd | Wolverhampton | A rating |
| Just Brands International Ltd | London | A rating |
| Just Care Group Ltd | London | A rating |
| JUST CIVILS & CONCRETE LIMITED | LUTON | A rating |
| Just Coffees Limited | Aberdeen | A rating |
| Just Cornish LTD | St Columb | A rating |
| JUST COS CATERING LTD | ESSEX | A rating |
| Just Desserts | South Shields | A rating |
| Just Digital Ltd | HUNTINGDON | A rating |
| Just Dine Ltd | London | A rating |
| Just Eat Holding Limited | London | A rating |
| JUST ELEGANT LIMITED | Leicester | A rating |
| JUST FAST FOOD LTD t/a Primo's | Middlesbrough | A rating |
| Just Financial Group Ltd | Glasgow | A rating |
| Just Global UK Ltd | Maidenhead | A rating |
| Just Go Out Ltd | Birmingham | A rating |
| JUST GROCERIES PLUS LIMITED | Cardiff | A rating |
| Just Halal Butchers Ltd | Bradford | A rating |
| JUST HELP FOUNDATION | Hyde | A rating |
| Just Homes (Surrey) Ltd | Woking | A rating |
| Just Homes Care Limited | South Elmsall | A rating |
| Just Homes Charity | Forest Gate | A rating |
| Just Imagine Day Nursery | Canvey Island | A rating |
| JUST IN TIME AGENCY LTD | ILFORD ESSEX | A rating |
| JUST IN TIME CONSULTING LTD | London | A rating |
| Just Investment Limited T/A Subway | Birmingham | A rating |
| JUST IT CONSULTANT LTD | Nottingham | A rating |
| Just Law Solicitors Limited T/ A Just Law Solicitors | Manchester | A rating |
| Just Meat Direct Retail Limited | Stoke-On-Trent | A rating |
| Just Miles Limited | Chigwell | A rating |
| Just Move Nw Ltd | Manchester | A rating |
| Just Muffin Limited T/A Muffin Break Blackpool | Blackpool | A rating |
| JUST ONE HEALTH & SOCIAL CARE LIMITED | LIVERPOOL | A rating |
| JUST ORDER ONLINE LIMITED | LONDON | A rating |
| Just Orthodontics Ltd | London | A rating |
| JUST PROTECT IT LIMITED | Chigwell | A rating |
| Just R Ltd | Carlisle | A rating |
| Just Retirement Management Services Ltd | London | A rating |
| Just Smile Dental | Exeter | A rating |
| Just Society Trust | London | A rating |
| Just Solutions Group Limited | Coventry | A rating |
| Just Taps Plus UK Limited | Slough | A rating |
| Just Technology Group Ltd | Bolton | A rating |
| JUST THE TICKET M.O.T'S LTD | Winsford | A rating |
| JUST THE TIPPLE LTD | London | A rating |
| Just Trading Ltd t/a Mian Gee's Grill | Manchester | A rating |
| JUST TRAVEL PRIVATE HIRE LIMITED | STOKE ON TRENT | A rating |
| Justa Limited | Coventry | A rating |
| JUSTC0LD LIMITED | Leicester | A rating |
| Justchildcare Ltd | Manchester | A rating |
| Justfonez Ltd | Bradford | A rating |
| Justh Ltd co | Manchester | A rating |
| JUSTICE | London | A rating |
| Justice and Care | London | A rating |
| Justice in Motion | OXFORD | A rating |
| Justified Studio LTD | London | A rating |
| JUSTIN AND CO ACCOUNTANTS LIMITED | AYLESBURY | A rating |
| Justin Retail LTD | Bognor Regis | A rating |
| Justizia Ltd | Lancaster | A rating |
| Justlove Care Services Ltd | Birmingham | A rating |
| JUSTNEAT SERVICES LTD | Hayes | A rating |
| JUSTORA LEGAL SERVICES LTD | London | A rating |
| JustParent Ltd | London | A rating |
| JustPark Parking Limited | London | A rating |
| JustRight Scotland SCIO | Glasgow | A rating |
| JustWontDie Limited | Cambridge | A rating |
| Justworks Employment UK Ltd. | London | A rating |
| Jusu Brothers Ltd | London | A rating |
| Jut Transport Ltd | Birmingham | A rating |
| JUUL Labs UK Ltd | London | A rating |
| Juvenesence UK Limited | London | A rating |
| Juventa 4 Care Ltd | Sheffield | A rating |
| Juventes Homes Ltd | Northampton | A rating |
| JUWEL BUILDERS LTD | London | A rating |
| JUXT Ltd | London | A rating |
| JV & SONS LIMITED | FLEET | A rating |
| JV Controls Limited | Birstall | A rating |
| JV COURIERS LTD | London | A rating |
| JV Soft Limited | Swansea | A rating |
| JV Tec Software Solutions Limited | Ilford | A rating |
| JVA Brokers | London | A rating |
| JVCKENWOOD U.K. Limited | Watford | A rating |
| JVM Group Ltd T/A LaundryUP | Watford | A rating |
| JVR COURIER LTD | Wolverhampton | A rating |
| JVR STORES LTD T/A Premier | Swansea | A rating |
| JVS Leicester Limited | Leicester | A rating |
| JW AUTO BODY REPAIRS LTD | THORNTON HEATH | A rating |
| JW Compassionate Care Ltd | Wednesbury | A rating |
| JW Froehlich UK Limited | Laindon | A rating |
| JW HINKS LLP | Birmingham | A rating |
| JW Player UK Ltd | London | A rating |
| JW PREMIER HEALTH LTD | Frodsham | A rating |
| JWB Electrical contractors | London | A rating |
| JWE Trading Limited | Nottingham | A rating |
| JWM Law Offices Limited | London | A rating |
| jwp trading limited | liverpool | A rating |
| JWTC ltd | York | A rating |
| JWW CONSTRUCTION LTD | Chatham | A rating |
| JXK Limited | London | A rating |
| JXL GLOBAL LIMITED | London | A rating |
| JXT Global (UK) Ltd | London | A rating |
| JY Autocentres Limited | Orpington | A rating |