| ECOM AGROTRADE LIMITED | London | A rating |
| Econic UK Limited | London | A rating |
| Economic Modelling UK Ltd T/A Lightcast | Hampshire | A rating |
| Ecoonline UK Ltd | London | A rating |
| ECOPORTAL UK LIMITED | Leeds | A rating |
| EcoRenew Holdings (UK) Limited | Morecambe | A rating |
| Ecorys | Birmingham | A rating |
| Ecover UK Limited | Camberley | A rating |
| ECS SERVICES LTD | London | A rating |
| ED&F Man Services Limited | London | A rating |
| EDAG Engineering Limited | Royal Leamington Spa | A rating |
| Edda Crewing Services Limited | Totton | A rating |
| Eden Renewables Ltd | Marlborough | A rating |
| EDF Energy Ltd | London | A rating |
| EDF Trading Limited | London | A rating |
| Edgar, Dunn & Company | London | A rating |
| Edge Testing Solutions Limited | Glasgow | A rating |
| Edgewater Operations GBR Ltd | London | A rating |
| Edgewing Systems Limited | Reading | A rating |
| Edina UK Limited | Stockport | A rating |
| EDM London Limited | London | A rating |
| EDMI Europe Limited | Hook | A rating |
| Edmond de Rothschild REIM (UK) Limited | London | A rating |
| EDMUND OPTICS LTD | YORK | A rating |
| Education Development Trust | Reading | A rating |
| Education International Cooperation UK Consulting Limited | Manchester | A rating |
| Edwards Limited | Burgess Hill | A rating |
| EEH VENTURES LIMITED | LONDON | A rating |
| EF Student Services Ltd | London | A rating |
| EFESO Consulting UK Limited | Birmingham | A rating |
| EFFECT Photonics Limited | Brixham | A rating |
| EFG Private Bank Limited | London | A rating |
| EG Manager UK LLP | London | A rating |
| eGain Communications Limited | Newbury | A rating |
| Egger UK Limited | Hexham | A rating |
| Egnyte Limited | Reading | A rating |
| Egon Zehnder Limited | London | A rating |
| Egress Software Technologies Limited | London | A rating |
| EGYPTAIR | London | A rating |
| Ehrmann Cornish Dairy Ltd | Lostwithiel | A rating |
| EHV UK Limited | Slough | A rating |
| Eicher Motors Limited | Bruntingthorpe | A rating |
| Eiffage Genie Civil UK | Milton Keynes | A rating |
| EIG Global Energy (Europe) Limited | London | A rating |
| Eight Advisory UK Limited | London | A rating |
| Eight Roads Services (UK) Limited | London | A rating |
| Eightfold AI UK Ltd | London | A rating |
| Eigra Group Ltd | London | A rating |
| EIM Learning UK, Ltd | London | A rating |
| Einride Technologies UK Limited | Hindhead | A rating |
| EIP Europe LLP | London | A rating |
| EIP Management GmBH | London | A rating |
| Eisai Europe Limited | Hatfield | A rating |
| EisnerAmper (UK) LLP | London | A rating |
| EJ Interiors Ltd | London | A rating |
| Eka Software Solutions Limited | Leatherhead | A rating |
| Ekimetrics UK Limited | London | A rating |
| Eku Energy Limited | London | A rating |
| EL AL Israel Airlines Limited | London | A rating |
| Elait Ltd | Northwood | A rating |
| Elan Capital Management (London) Ltd | London | A rating |
| Elanco UK AH Limited | Hook | A rating |
| ELARA CAPITAL PLC | LONDON | A rating |
| Elastic Path Software Inc. | Reading | A rating |
| Elasticsearch Limited | London | A rating |
| Elbit Systems UK Limited | Bristol | A rating |
| ELEANOR FILMS LTD | LONDON | A rating |
| Eleclink Limited | London | A rating |
| ElectraDx UK Limited | Eurocentral Jct | A rating |
| Electric Glass Fiber UK | Wigan | A rating |
| ELECTRO RAYMA UK LIMITED | Belfast | A rating |
| ELECTRO-SERVICE R.B. S.R.L UK BRANCH | BIRMINGHAM | A rating |
| Electronic Arts Limited | Guildford | A rating |
| Electropages Media Limited | Poole | A rating |
| Elekta Limited | Crawley | A rating |
| Element Alpha UK Ltd | London | A rating |
| Element Capital Partners LLP | London | A rating |
| Element Six Ltd | Oxfordshire | A rating |
| Elementis UK Limited | London | A rating |
| Elements Green Development Limited | London | A rating |
| Elementum Energy Limited | London | A rating |
| ELEMENTZ LIMITED | Bridge of Don | A rating |
| Elenjical Solutions International Limited | Enfield | A rating |
| Elevate Education (United Kingdom) Pty Ltd | London | A rating |
| ELEVEN THERAPEUTICS (UK) LTD | CAMBRIDGE | A rating |
| Elevondata Labs Private Limited | Milton Keynes | A rating |
| Elf Petroleum UK Limited | London | A rating |
| Elgin Energy Holdings | Surrey | A rating |
| Eli Lilly and Company Limited | Basingstoke | A rating |
| Eliassen Group (NI) | Belfast | A rating |
| Eligarf Technologies (UK) Limited | Harrow | A rating |
| Elis UK Limited | Basingstoke | A rating |
| Elite Body Sculpture Limited | London | A rating |
| Elixirr International Plc | London | A rating |
| Elk Capital Markets UK Ltd | Clacton-on-Sea | A rating |
| Ella's Kitchen (Brands) Limited | Henley on Thames | A rating |
| Ellington Management Group (UK) LLP | London | A rating |
| Elliott Scott HR Recruitment Limited | Lambeth | A rating |
| Elliott Turbomachinery Limited | Basingstoke | A rating |
| Ellipse Projects UK Limited | London | A rating |
| Ellison Institute of Technology, Oxford Limited | Littlemore | A rating |
| Ellucian Global Limited | Milton Keynes | A rating |
| Elm Capital Associates Ltd | London | A rating |
| Elms Marketing Ltd | Macclesfield | A rating |
| Elmya Energy UK Limited | London | A rating |
| Elmya EPC UK Limited | London | A rating |
| ELSTA ENERGY LTD | London | A rating |
| Elta UK Limited | Kingswinford | A rating |
| Elutions Ltd | Reading | A rating |
| Elwood Technologies Services Limited | London | A rating |
| EMA Europe Limited | London | A rating |
| Emarsys UK Limited | London | A rating |
| EMEA Tortilla Limited | London | A rating |
| Emelda and Fredrica Limited | London | A rating |
| Emerging Markets Advisory Limited | London | A rating |
| Emeria RES UK Newco Limited | London | A rating |
| Emerson Climate Technologies Limited | Reading | A rating |
| Emerson Process Management Limited | Leicester | A rating |
| Emicapital Europe Ltd | London | A rating |
| Emirates | Kensington | A rating |
| Emirates NBD | London | A rating |
| EMK Capital LLP | London | A rating |
| EMKAP UK Limited | London | A rating |
| Emma Sleep UK Limited | Borwick | A rating |
| Emmes Biopharma UK Ltd | Atterbury | A rating |
| Emmi UK Ltd | Putney, London | A rating |
| Emovis Operations Leeds Limited | Leeds | A rating |
| Empathica UK Limited | Bristol | A rating |
| Empathybroker Ltd | Harrogate | A rating |
| Employment Hero (UK) Limited | London | A rating |
| EMpower | London | A rating |
| Enable International Ltd | Stratford upon Avon | A rating |
| eNate Ltd | London | A rating |
| Enbridge UK Holdings Ltd | London | A rating |
| ENBW GENERATION UK LIMITED | London | A rating |
| ENBW UK LIMITED | London | A rating |
| Encapto UK Limited | SLOUGH | A rating |
| Encirc Limited | Cheshire | A rating |
| Encompass Corporation UK Limited | Glasgow | A rating |
| Encompass Digital Media Services Limited | London | A rating |
| Encora Software (UK) Private Limited | London | A rating |
| Endava UK Ltd | London | A rating |
| Endeavour Management Services London Limited | London | A rating |
| Endel GB Ltd | Bristol | A rating |
| Endiprev UK Limited | Sunderland | A rating |
| Endress+Hauser Limited | Manchester | A rating |
| Endurance Business Services Limited | London | A rating |
| Enel X UK Limited | London | A rating |
| ENEOS Europe Limited | London | A rating |
| Enercon Wind Energy UK Limited | Edinburgh | A rating |
| ENERCON Wind Energy UK Ltd. | Edinburgh | A rating |
| Energean Group Services Limited | London | A rating |
| Energective LTD | Sidcup | A rating |
| Energizer Group Limited | Bucks | A rating |
| Energy Developments (UK) Limited | Towcester | A rating |
| ENERGY EFFICIENCY SERVICES LIMITED | Stockport | A rating |
| Energy Exemplar (Europe) Ltd | LONDON | A rating |
| Energy Intelligence Group | London | A rating |
| Energy Vault Solutions UK Ltd | London | A rating |
| EnerMech Limited | Aberdeen | A rating |
| Enertis UK Limited | London | A rating |
| eNETT International UK Limited | London | A rating |
| Enfuce UK Ltd | London | A rating |
| Enfusion Systems UK Ltd | London | A rating |
| Engage Process UK Ltd | Greater London | A rating |
| Engelhart CTP Services (UK) Limited | LONDON | A rating |
| Engelhart CTP UK Ltd | London | A rating |
| ENGIE UK Limited | London | A rating |
| Engineer.ai Global Ltd | London | A rating |
| ENGINEERED REINFORCING STEEL INDUSTRIES UK LIMITED | Loughborough | A rating |
| ENGINEERS INDIA LIMITED | HOUNSLOW | A rating |
| Eni CCUS Holding Limited | London | A rating |
| Eni Global Energy Markets S.p.A - UK Establishment | London | A rating |
| Eni International Resources Limited | London | A rating |
| Eni Trade & Biofuels S.p.A UK Establishment | London | A rating |
| ENI UK Limited | London | A rating |
| Enigma Software Solutions Limited | London | A rating |
| EniProgetti SpA | Basingstoke | A rating |
| ENKA Uk Construction Limited | London | A rating |
| Enlighten Software Limited | London | A rating |
| Enmarq Technologies Limited | Reading | A rating |
| Ennismore International Management Limited | London | A rating |
| Ennovi Advanced Mobility Solutions UK Ltd | Arbroath | A rating |
| Enovate Systems Limited | Aberdeen | A rating |
| Enplas (Europe) Limited | London | A rating |
| ENQUEST BRITAIN LIMITED | ABERDEEN | A rating |
| Enroly Ltd | London | A rating |
| Ensco Services Limited | Aberdeen | A rating |
| EnSilica | Abingdon | A rating |
| Ensono Limited | London | A rating |
| Enstar (EU) Ltd | London | A rating |
| Entain Marketing (UK) Limited | London | A rating |
| Enterprise Rent-A-Car UK Limited | Egham | A rating |
| Enterprise System Solutions Limited | Harrow | A rating |
| Enthought Limited | Cambridge | A rating |
| ENTREPOSE CONTRACTING (UK BRANCH) | Hammersmith | A rating |
| Entrepreneurs First Operations Limited | London | A rating |
| Entrilia UK Ltd | London | A rating |
| Entrust (Europe) Limited | Reading | A rating |
| EnTrust Global Ltd | London | A rating |