| Experia Construction&development limited | Hayes | A rating |
| EXPERIAN LIMITED | Nottingham | A rating |
| Experience Engine | Witham | A rating |
| Experienced Solar & EV Solutions Ltd | Tamworth | A rating |
| Experimental Worldwide Limited | London | A rating |
| Experion Technologies UK Ltd | Staines-Upon-Thames, | A rating |
| EXPERT ACCOUNTANCY SERVICES LTD | Manchester | A rating |
| EXPERT BUILDING CONTRACTORS LTD | Northfleet, Gravesend | A rating |
| EXPERT CARE UK SERVICES LTD | WALTON ON THAMES | A rating |
| Expert Dental Care | Lancing | A rating |
| Expert Energy Consultancy Ltd | Sheffield | A rating |
| Expert German Kitchens Ltd | Kent | A rating |
| Expert Health Limited T/A Lloyds Pharmacy Online Doctor | London | A rating |
| Expert Hosts Ltd. | Richmond | A rating |
| Expert Insights Tech Ltd | Plymouth | A rating |
| Expert Law | LONDON | A rating |
| Expert Leather Products(UK) Ltd | London | A rating |
| EXPERT MAINTENANCE SOLUTIONS LTD | Kent | A rating |
| EXPERT ONE EMPLOYMENT SERVICES LTD | Accrington | A rating |
| Expert Orthodontics Limited | Sandbach | A rating |
| EXPERT PHONE GAME LTD. | STOURPORT-ON-SEVERN | A rating |
| Expert Professional Solutions Ltd | Rugby | A rating |
| Expert Property Care Ltd | Watford | A rating |
| EXPERT PROPERTY SERVICES LTD | Milton Keynes | A rating |
| Expert Service Solutions Ltd | Manchester | A rating |
| EXPERT SHOPFRONTS LTD | DAGENHAM | A rating |
| Expert Solicitors Ltd | HOUNSLOW | A rating |
| Expert Thinking (Consulting) Limited | London | A rating |
| EXPERT TILE & STONE LIMITED | London | A rating |
| EXPERT TINTS & WRAPS LTD | Dunstable | A rating |
| Expert Tooling & Automation Limited | Coventry | A rating |
| Expert Training Resources UK Limited | Fleet | A rating |
| EXPERTEST CONSULTANCY LIMITED | London | A rating |
| Expertica Services Limited | London | A rating |
| Expertise Homecare (Central & West Kent) Ltd | Maidstone | A rating |
| Expertisebytheday Limited | Nottingham | A rating |
| EXPERTO LTD | London | A rating |
| Expertreturn Limited T/A Mangal Pharmacy | London | A rating |
| EXPERTS DESIGN & BUILD LTD | Colnbrook | A rating |
| Experts Zone Limited T/A iRepair | Southend-on-Sea | A rating |
| Explain Market Research Ltd | Newcastle upon Tyne | A rating |
| EXPLEO SOLUTIONS UK LIMITED T/A 'EXPLEO' | London | A rating |
| Expleo UK Limited | Bristol | A rating |
| Expleo UK Limited | London | A rating |
| Explode Social Media Ltd | Birmingham | A rating |
| EXPLOR LIMITED | London | A rating |
| Explora Haven Training and Support Services Limited | London | A rating |
| Exploration and Production Information Company Ltd | Thainstone | A rating |
| Explore Global Limited | London | A rating |
| Explore Learning | Fareham | A rating |
| EXPLORE LEARNING GRAYS LIMITED | Grays | A rating |
| EXPLORE WORLD TRADING LTD | London | A rating |
| Explorer (UK) Ltd | Leeds | A rating |
| EXPO FOODS (MIDLANDS) LTD | London | A rating |
| EXPO FOODS LIMITED | LONDON | A rating |
| Expo Stars Interactive Ltd | Manchester | A rating |
| Expo Supplies Ltd | Bickenhill | A rating |
| Expo Technology Ltd | Sunbury On Thames | A rating |
| EXPOMATRIX PETROLEUM LIMITED | Thatcham | A rating |
| Exponent International Ltd. | Harrogate | A rating |
| EXPONENT PRIVATE EQUITY LLP | LONDON | A rating |
| Exponentia.ai Limited | London | A rating |
| Exponential Climate Technologies Ltd | London | A rating |
| Exponential-e Ltd | London | A rating |
| Exponus Group Limited | Newcastle upon Tyne | A rating |
| Expoplatform Limited | Cambridge | A rating |
| Export Credits Guarantee Department | London | A rating |
| Export-Import Bank of India | London | A rating |
| Exposure Analytics Limited | Portsmouth | A rating |
| EXPRES-MO LTD | London | A rating |
| EXPRESS BEDS (YORKSHIRE) LTD | BRADFORD | A rating |
| EXPRESS BONDING SERVICES LIMITED | OLDBURY | A rating |
| Express Builders & Developers LTD | Milton Keynes | A rating |
| Express by Holiday Inn | Stratford | A rating |
| Express by Holiday Inn Kassam Stadium | Oxford | A rating |
| Express Catering Equipment and Fabrication LTD | Sheffield | A rating |
| EXPRESS COMMUNICATION SERVICES LIMITED | Luton | A rating |
| EXPRESS CONVENIENCE LTD | Birmingham | A rating |
| Express Cuts | Ilford | A rating |
| EXPRESS DELIVERIES LIMITED | Todmorden | A rating |
| Express Delivery Network Ltd | Preston | A rating |
| Express Diagnostics | Plymouth | A rating |
| EXPRESS DRY CLEANERS LTD | London | A rating |
| Express Eats Group Ltd T/A 12th Street Burgers | Coventry, | A rating |
| EXPRESS EDGE SERVICES LTD | Sevenkings | A rating |
| Express Electrical & Engineering Supplies Ltd | Clydebank | A rating |
| Express Engineering (Fabrications) Limited | Middlesbrough | A rating |
| EXPRESS FOOD SUPPLIES LTD. | MIDDLESBROUGH | A rating |
| EXPRESS GADGETS LIMITED | Leeds | A rating |
| EXPRESS GRILL AND CATERING LIMITED | Slough | A rating |
| EXPRESS GROUP CONSTRUCTION LTD | Rainham | A rating |
| Express Healthcare Services Ltd | Birmingham | A rating |
| Express Homerton Ltd T/a EXPA Local Supermarket | London | A rating |
| Express Local Ltd T/A Express Local | Huddersfield | A rating |
| Express Medical Personnel Ltd | London | A rating |
| Express Medicals P.L.C. | London | A rating |
| EXPRESS NEWS AND MAGAZINES LIMITED | CROMER | A rating |
| Express Parking Heathrow Ltd | Southall | A rating |
| EXPRESS PHONE REPAIR LTD | Nuneaton | A rating |
| Express Remit Ltd | London | A rating |
| Express S Solution Ltd | LONDON | A rating |
| EXPRESS SAVERS LIMITED | NOTTINGHAM | A rating |
| EXPRESS SHOPS LTD | Loughborough | A rating |
| Express Solutions Group Ltd | Staines Upon Thames | A rating |
| EXPRESS SPEED LOGISTICS LIMITED | Feltham | A rating |
| Express Square Limited T/a Shree Krishna Vada Pav (SKVP) - Southall | Southall | A rating |
| Express Toughening Limited | Ilford | A rating |
| Express Worldwide Logistics | London | A rating |
| ExpressionEdits Ltd | Cambridge | A rating |
| Expressions Coffee Ltd | London | A rating |
| Expresslines Limited | Bedford | A rating |
| EXPRESSO DELIVERY LTD | LONDON | A rating |
| Expresspace Limited Trading as Sidney Hotel | London | A rating |
| Expro North Sea Ltd | Aberdeen | A rating |
| EXPRZ LTD | Halifax | A rating |
| EXQUISITE BEDS LTD | Dewsbury | A rating |
| EXQUISITE Luxury LTD | Whitby | A rating |
| Exquitech Limited | London | A rating |
| EXR Hub Limited | Leicester | A rating |
| Exroid Technology Ltd | Sandwich | A rating |
| Exscientia AI Limited | Abingdon | A rating |
| EXSON LIMITED | Birmingham | A rating |
| Exstent Limited | Tewkesbury | A rating |
| EXSUS TRAVEL LIMITED | LONDON | A rating |
| Extend Robotics Limited | London | A rating |
| EXTENDED LIMITED | London | A rating |
| Extension Solutions Ltd | Pinner | A rating |
| Exterior Architecture Ltd | London | A rating |
| Extern Northern Ireland | Mallusk | A rating |
| External Concepts Limited | London | A rating |
| Exterro UK Limited | London | A rating |
| Extra Cash & Carry LTD | London | A rating |
| EXTRA FASHION LIMITED | NEW MALDEN | A rating |
| Extra Help Care Limited | Nottingham | A rating |
| Extra Learning UK Limited | Birmingham | A rating |
| Extra Mile Healthcare Limited | Stafford | A rating |
| Extrabuild Ltd | Cambridge | A rating |
| Extracellular | Bristol | A rating |
| EXTRACOVER LIMITED | London | A rating |
| Extrafriend Limited | Kent | A rating |
| EXTRANONCE LIMITED | Watford | A rating |
| EXTRAQUICK TRANSPORT LTD t/a JACKS TRANSPORT | Leicester | A rating |
| Extrasol Limited | Barking, | A rating |
| Extravaganza Productions Limited | Boston | A rating |
| Extreme E Ltd | London | A rating |
| Extreme H Ltd | London | A rating |
| Extreme Networks UK Technology Limited | Reading | A rating |
| Extrinsik Ltd | London | A rating |
| Extrode Limited t/a Autostop Service Centre | Warrington | A rating |
| Extronics Limited | Middlewich | A rating |
| Extrude Hone Limited | Milton Keynes | A rating |
| EXUE INTERNATIONAL LTD | Cambridge | A rating |
| Exultant Limited | High Wycombe | A rating |
| EXULTANT PIZZA LTD | High Wycombe | A rating |
| EXUS SOFTWARE LTD | LONDON | A rating |
| Exus UK&I Limited | Salford | A rating |
| Exxollon Limited | Leeds | A rating |
| Exyte UK Limited | Bury | A rating |
| EY Private Client Services Limited | London | A rating |
| EY Seren Limited | London | A rating |
| EY18 Limited | Andover | A rating |
| EY3 PRODUCTIONS LIMITED | Manchester | A rating |
| Eyal Limited | Derby | A rating |
| Eyam Domiciliary Service Ltd | Chesterfield | A rating |
| EYC LTD. | Camberley | A rating |
| EYE CANDY SPA LTD | Ilford | A rating |
| EYE GREEN CARS LTD | Peterborough | A rating |
| Eye Of The Contractor | London | A rating |
| Eye Smile Limited | Whitton | A rating |
| Eye Veterinary Clinic Ltd | Leominster | A rating |
| Eye-Image UK Limited | Dagenham | A rating |
| Eyeballs to Data Points Limited | Manchester | A rating |
| Eyebrow Gallery Nottingham | Nottingham | A rating |
| Eyebrow Ltd | Newcastle | A rating |
| Eyebrow Threading Bar Limited | Loughborough | A rating |
| Eyecare WHT Limited | Wolverhampton | A rating |
| EyeEye Media Limited | London | A rating |
| EYELEVEL DRIVING SCHOOL LIMITED | Romford | A rating |
| Eyelinkmedia Limited | London | A rating |
| Eyeora Ltd | London | A rating |
| Eyes at Home Limited | London | A rating |
| EYES OF RAIN LTD | Leeds | A rating |
| Eyesclear Ltd | London | A rating |
| Eyespy360 Ltd | London | A rating |
| Eyesto Education Limited | Cardiff | A rating |
| Eyhurst Court Limited | Guildford | A rating |
| Eynsham Medical Group | Witney | A rating |
| EYOS UK Limited | Alton | A rating |
| Eyoto Group Limited | Birmingham | A rating |
| Eyre Hotels Ltd | London | A rating |
| EYRE LTD T/A A.R. PHARMACY | WEST TOTTON | A rating |
| Eyre Street Dental | Chesterfield | A rating |
| EYRIES GROUP LIMITED | Stourbridge | A rating |
| eyworks Limited | Milton Keynes | A rating |
| EZ COMPANY FORMATIONS LIMITED | BARKING | A rating |
| EZ RAMYEON LTD | Nottingham | A rating |
| EZAAN INVESTMENT LIMITED | DUNDEE | A rating |
| EZAM HE Solutions Ltd | Uxbridge | A rating |
| EZCORP UK Limited | Salford | A rating |
| Eze Assets Management Ltd | Norwich | A rating |