| Empresa London Limited | London | A rating |
| Empresaria Group plc | Crawley Down | A rating |
| Empresly London Ltd | London | A rating |
| Empress Social Care Ltd | Hitchin | A rating |
| Empress Sony Retail Ltd | Southampton | A rating |
| EMPRESS STORES LIMITED | Loughborough | A rating |
| Empyrean Enterprise Ltd | Rugby | A rating |
| Empyrean Therapeutics Ltd | Cambridge | A rating |
| EMR & CO LTD | Ilford | A rating |
| EMRE RESTAURANT LTD | Leicester | A rating |
| Emregas Wholesalers Ltd | Mitcham | A rating |
| EMRES LIVINGSTON LTD | Livingston | A rating |
| EMS & K LIMITED | ROMFORD | A rating |
| EMS Construction Limited | London | A rating |
| EMS Furnishing Limited | Ilford | A rating |
| EMS Group Solutions Ltd | Ellesmere Port | A rating |
| EMS Industries Ltd | Newcastle Under Lyme | A rating |
| Ems Valley Care Ltd t/a Home Instead Havant | Hayling Island | A rating |
| EMSC (UK) Limited (Trading as Powerstar) | Sheffield | A rating |
| Emsea Ltd | TEWKESBURY | A rating |
| Emsee Living Ltd | Milton Keynes | A rating |
| Emsurge Limited | Walton-on-Thames | A rating |
| EMSWORTH RESTAURANTS LIMITED | EMSWORTH | A rating |
| Emsworth Service Station Ltd | London | A rating |
| Emtalent Digital Limited | Reading | A rating |
| Emtec Group Limited | Uddingston | A rating |
| Emtec Products Limited | High Wycombe | A rating |
| EmTech Hatchery Systems Ltd | Sparkford | A rating |
| Emtelle UK Ltd | Roxburghshire | A rating |
| emTransit Ltd (operating as Dott UK) | London | A rating |
| Emu Analytics | London | A rating |
| EMV Capital PLC | Beaconsfield | A rating |
| EMV London Ltd | Wallington | A rating |
| EMVE Solutions Limited | Sutton | A rating |
| EMW Foodservice Ltd | Cambridge | A rating |
| EMW Global Sports Limited | Ruislip | A rating |
| En Chennai Limited TA Amma's Canteen | Manchester | A rating |
| EN KASSIANIDIS LTD | Nottingham | A rating |
| En Root Ltd | London | A rating |
| En Route IT - RPM Office | London | A rating |
| EN-Projects Ltd | Oxford | A rating |
| EN:Procure Limited | Sheffield | A rating |
| EN+ Group IPJSC (London Branch) | London | A rating |
| ENA Digital Services Ltd | Slough | A rating |
| ENA Investment Capital LLP | London | A rating |
| ENA London UK Limited | London | A rating |
| Enable (WM) Limited | Birmingham | A rating |
| Enable Care and Support Limited | Bracknell | A rating |
| Enable Health Ltd | Oxford | A rating |
| Enable Inclusive Support Limited | Leicester | A rating |
| Enable International Ltd | Stratford upon Avon | A rating |
| Enable Investment Holdings Limited | London | A rating |
| Enable Leisure and Culture | London | A rating |
| Enable Network Services Limited | Barbican | A rating |
| Enable Physios Limited | Swansea | A rating |
| ENABLE Scotland | Glasgow | A rating |
| Enable Support Services LTd | Yeovil | A rating |
| Enable Today LTD | West Moors | A rating |
| EnableAll Limited | Uxbridge | A rating |
| Enabled Future Limited | Solihull | A rating |
| Enablement Care Services Limited | Middlesex | A rating |
| Enabling Care For You Limited | Maidstone | A rating |
| Enabling Care For You Limited | Hadlow | A rating |
| Enabling Futures Ltd | Hyde | A rating |
| Enabling Me Ltd | Bolton | A rating |
| Enabling Others Limited | Burton-on-Trent | A rating |
| ENABLING PROCUREMENT UK LIMITED | London | A rating |
| Enactor Limited | Hertford | A rating |
| ENAIFO FOODIES LTD | Glasgow | A rating |
| Enam Childcare Limited | Manchester | A rating |
| Enam The Degree Man Limited | Manchester, United Kingdom | A rating |
| Enamel Dental Holdings Limited | Cheshire | A rating |
| Enapps Ltd | London | A rating |
| EnAppSys Ltd | Stockton-On-Tees | A rating |
| Enara Bio Limited | Oxford | A rating |
| eNate Ltd | London | A rating |
| ENATIONS TECHNOLOGY LTD | London | A rating |
| ENBIOSIS BIOTECHNOLOGY LIMITED | LONDON | A rating |
| Enbridge Healthcare Limited | Sleaford | A rating |
| ENBRIDGE HOUSE CARE HOME | NEWBURY | A rating |
| Enbridge UK Holdings Ltd | London | A rating |
| ENBW GENERATION UK LIMITED | London | A rating |
| ENBW UK LIMITED | London | A rating |
| Encap Events Limited | Glasgow | A rating |
| Encapto UK Limited | SLOUGH | A rating |
| ENCASA LIMITED | Hull | A rating |
| Enchanted by Syma Limited | Slough | A rating |
| Enchanted Dwellings Ltd | London | A rating |
| ENCHANTED LANDS DAY NURSERY LIMITED | London | A rating |
| Enchanted Nursery Ltd | Alton | A rating |
| Enchanting Care Limited | Waterlooville | A rating |
| Encirc Limited | Cheshire | A rating |
| ENCK BUYING LIMITED | Bath | A rating |
| Encocam Limited | Huntingdon | A rating |
| Encocam Ltd | Huntingdon, Cambs | A rating |
| Encoen Consulting Ltd | Corby | A rating |
| ENCOM Energy Compliance Consultancy Limited | Milton Keynes | A rating |
| Encom International Ltd | Glasgow | A rating |
| Encompass Corporation UK Limited | Glasgow | A rating |
| Encompass Digital Media Services Limited | London | A rating |
| Encompass Engineering Solutions Ltd | Derby | A rating |
| Encompass Surveys Ltd | Fareham | A rating |
| Encora Software (UK) Private Limited | London | A rating |
| Encore Software Limited | Horsham | A rating |
| Encore Spaces Ltd | London | A rating |
| ENCORE TRADING LIMITED | Ilford | A rating |
| Encortec Limited | Exeter, Devon | A rating |
| Encourage 2B Empowered | Wellington Borough | A rating |
| Ency Associates | Portsmouth | A rating |
| Ency Care LTD | Hoddesdon | A rating |
| ENCY&LINE LTD | Maidenhead | A rating |
| Encyclis Limited | London | A rating |
| ENCYCLOMEDIA TV LTD | LONDON | A rating |
| Encyclopaedia Britannica UK Ltd | London | A rating |
| End Cue UK Ltd | London | A rating |
| Endava UK Ltd | London | A rating |
| Endcliffe Park Cafe/The Cafe in the Park | Sheffield | A rating |
| Endeavour Automotive | Borehamwood | A rating |
| ENDEAVOUR DOMINION LIMITED | Swanage | A rating |
| Endeavour Federation | Manchester | A rating |
| Endeavour Financial Limited | London | A rating |
| Endeavour Financial Ltd | London | A rating |
| Endeavour Hospitality Limited | Stirling | A rating |
| Endeavour Management Services London Limited | London | A rating |
| Endeavour MAT | Wilmington | A rating |
| Endeavour R2 Ltd | Walthamstow | A rating |
| ENDEAVOUR RECRUITMENT SOLUTIONS LIMITED | Southampton | A rating |
| Endeavour Residential Home | Exeter | A rating |
| ENDEAVOUR RETAIL LTD T/A ANGEL FOOD and WINE | London | A rating |
| Endental Limited | Wansdsworth | A rating |
| Endermotherapy by PRM Limited | London | A rating |
| ENDERUN COMMUNITY ASSOCIATION | London | A rating |
| Endgame Health Limited | Paisley | A rating |
| Endiprev UK Limited | Sunderland | A rating |
| Endless Global Limited | London | A rating |
| Endless LLP | Leeds | A rating |
| ENDLESS PLEASURE LTD | MILDENHALL | A rating |
| Endlesslove Healthcare Services Ltd | Reading | A rating |
| Endo (UK) Consultancy Ltd | Brighouse | A rating |
| Endo (UK) Ltd | Brighouse | A rating |
| Endoline Machinery Ltd | Biggleswade | A rating |
| Endon cricket Club | stoke on trent | A rating |
| ENDONE LIMITED | London | A rating |
| ENDOR Ltd | Evesham | A rating |
| Endosoft Limited | Leicester | A rating |
| Endpoint Esports LTD | Sheffield | A rating |
| Endpoint Limited | London | A rating |
| Endress+Hauser Limited | Manchester | A rating |
| ENDSLEIGH CARE LIMITED | ILFORD | A rating |
| ENDURA ROSES (BR2) LTD | Birmingham | A rating |
| Endurance Business Services Limited | London | A rating |
| Endurance Care Limited | Harrietsham | A rating |
| Endurance Health Ltd | Slough | A rating |
| Endurance Land LLP | London | A rating |
| Eneco UK Ltd | Inverness | A rating |
| Enel X Advisory Services UK Limited | London | A rating |
| Enel X UK Limited | London | A rating |
| Eneo Electrical Contractors Ltd | London | A rating |
| ENEOS Europe Limited | London | A rating |
| Ener-G Services Limited | Westhill | A rating |
| Ener-Vate Consultancy Limited | Stoke on Trent | A rating |
| Enercon Wind Energy UK Limited | Edinburgh | A rating |
| ENERCON Wind Energy UK Ltd. | Edinburgh | A rating |
| Enerflex (UK) Limited | Northfleet | A rating |
| Enerfloat Ltd | Aberdeen | A rating |
| Energean Group Services Limited | London | A rating |
| Energective LTD | Sidcup | A rating |
| Energeia Limited | Wimbledon | A rating |
| Energeia Technologies | Antrim | A rating |
| Energen Solutions Limited | London | A rating |
| Energeniq Limited T/A Subway | Edgware | A rating |
| Energetika Industries LTD | London | UK Expansion Worker: Provisional |
| ENERGETIKA INDUSTRY SOLUTIONS LIMITED | West Yorkshire | A rating |
| Energevo Renewables Limited | Ascot | A rating |
| Energex Eco Limited | BARNSLEY | A rating |
| Energex Partners Limited | London | A rating |
| Energex Technical Services Ltd | Rayleigh | A rating |
| Energia Group Holdings Limited | Belfast | A rating |
| Energies of the Future Limited | Derby | A rating |
| ENERGISE LTD | St. Neots | A rating |
| Energise Sussex Coast | Bexhill | A rating |
| Energist Limited | Swansea | A rating |
| Energist UK Ltd | Cirencester | A rating |
| Energize Recruitment Solutions Ltd | Manchester | A rating |
| Energizer Group Limited | Bucks | A rating |
| ENERGY & COMPLIANCE TECHNOLOGY LTD | Wakefield | A rating |
| energy and carbon reduction solutions ltd | Ashton-Under-Lyne | A rating |
| Energy and Systems Technical Ltd | Downham Market | A rating |
| Energy Aspects Ltd | London | A rating |
| Energy Assets Limited | Manchester | A rating |
| Energy Coast UTC | WORKINGTON | A rating |
| Energy Control Analysis Limited | Clydebank | A rating |
| Energy Deployment Co. Ltd | HARROW | A rating |
| energy design studio ltd t/a and-now | Harrow | A rating |
| Energy Developments (UK) Limited | Towcester | A rating |
| Energy Efficiency Consultancy Ltd. | Macclesfield | A rating |
| Energy Efficiency Group Ltd | Leicester | A rating |
| ENERGY EFFICIENCY SERVICES LIMITED | Stockport | A rating |
| Energy Exemplar (Europe) Ltd | LONDON | A rating |
| ENERGY FIX LIMITED | Luton | A rating |