| Ervin Fire Protection Ltd | Birmingham | 2023 |
| ESC Partnerships Limited | London | 2012 |
| Escape Fire Risk (UK) Ltd. | Caterham | 2023 |
| Escape Fire Services Ltd | Newport | 2015 |
| Esdara Limited | London | 2020 |
| Esensi Ltd | Wokingham | 2014 |
| ESF Compliance Ltd | Blackwater | 2023 |
| ESF Fire Protection Services UK Ltd | Maidstone | 2024 |
| Essel RS Ltd | London | 2024 |
| Essence Support Care Ltd | Camberley | 2022 |
| ESSENCE24 Care Ltd | Wellingborough | 2024 |
| Essential Health Solutions Ltd | Birmingham | 2025 |
| Essential Primary Care Limited | Batley | 2025 |
| Essential Tremor Europe | Bournemouth | 2026 |
| Essential Vault Ltd | Crawley | 2024 |
| Essex & Suffolk Mediation Services Direct Ltd | Luton | 2017 |
| Essex Care Home Limited | London | 2023 |
| Essex Community Development C.I.C. | Basildon | 2013 |
| Essex Fire and Security Ltd | Basildon | 2022 |
| Essex Fire Protection Limited | Chorley | 2016 |
| Essex Fire Protection Services Limited | Bishop'S Stortford | 2020 |
| Essex Fire Safety Consultants Limited | Ilford | 2025 |
| Essex Fire Safety Ltd | Holland-On-Sea | 2006 |
| Essex Fire Safety Services Ltd. | Colchester | 2017 |
| Essex Fire Solutions Ltd | Southend-On-Sea | 2026 |
| Essex Racial Equality Unit Ltd | Chelmsford | 2020 |
| Essex Safety Consultants Limited | Southminster | 2023 |
| Essex Specialist Services Limited | Loughton | 1995 |
| Essexearwax Services Limited | Epping | 2025 |
| Essora Health Limited | Ipswich | 2026 |
| Esteal Limited | South Croydon | 2024 |
| Estflo Care Limited | Dartford | 2026 |
| Esther Mburu Limited | Milton Keynes | 2019 |
| Esther-Zen Care Services Ltd | West Midlands | 2023 |
| Estherlokphysio Limited | London | 2025 |
| Estia Children Services Ltd | Mansfield | 2026 |
| Eternalexcellencyventures Ltd | Southampton | 2023 |
| Eternity Voice International Ministry | Coventry | 2023 |
| Ethan Solutions Limited | Pontefract | 2019 |
| Ethicare Solutions Ltd | Horsham | 2025 |
| Ethnatcel Care Ltd | Pontefract | 2020 |
| Ethnic Care Community CIC | Leicester | 2025 |
| Ethos Health, Safety & Risk Ltd | Evesham | 2026 |
| ETI KET Social CIC | Northampton | 2023 |
| Etias Ltd | Worcester Park | 2021 |
| ETP Consult Ltd | Plymouth | 2024 |
| ETP Consultancy Ltd | Chorley | 2021 |
| Etradesecrets.Com Ltd | London | 2018 |
| Ettrick and Yarrow Community Development Company | Selkirk | 2013 |
| Eu-Map Consulting Limited | London | 2004 |
| Eudiamonia Network Ltd | Castleford | 2026 |
| Eulan Ltd | Dagenham | 2020 |
| Euphrates Health Limited | London | 2024 |
| Eurikah Pension Tracing Ltd | London | 2025 |
| Euro Environmental Services (UK) Limited | Birmingham | 1998 |
| Europe Asia Foundation Ltd | Harrow | 2020 |
| Europe Travel Clinic Limited | London | 2023 |
| European Association for Defence Unmanned Systems Ltd. | London | 2025 |
| European Enforcement Ltd | Hounslow | 2021 |
| European Inst. for International Law and International Relations | London | 2022 |
| Eusrust Healthcare Limited | London | 2023 |
| EVA Danso Care Limited | Greenhithe | 2026 |
| EVA One Limited | Glasgow | 2019 |
| EVACU8 Services Limited | Milton Keynes | 2018 |
| Evelia Care Limited | London | 2020 |
| Evelyn House Limited | Tottenham | 2021 |
| Event Fire Solutions Ltd | Witney | 2011 |
| Event Safety Consultants Ltd | Lytham St. Annes | 2023 |
| Event Safety Solutions Ltd | Bristol | 2014 |
| Ever Safe Training Ltd | Harrogate | 2024 |
| Everbloom Care Solutions Ltd | Manchester | 2025 |
| Evercare Foundation | London | 2023 |
| Evercare Northwest Limited | Skelmersdale | 2025 |
| Evercaring Ltd | London | 2022 |
| Evercrest Partners Ltd | Macclesfield | 2003 |
| Everest Fire Protection Ltd | Bolton | 2023 |
| Everfaithful Limited | Hatfield | 2022 |
| Evergreen Health Chiropractic Ltd | Portsmouth | 2023 |
| Eversafe Fire Protection Ltd | Sittingbourne | 2015 |
| Evervance Ltd | Oakham | 2025 |
| Everwell Home Care Ltd | Bristol | 2023 |
| Everybody Thrive Ltd | Kingston Upon Thames | 2022 |
| Everyday Wellbeing CIC | North Ferriby | 2026 |
| Evesolution Ltd | Huntingdon | 2024 |
| Evjoyn Limited | Bedworth | 2025 |
| Evocatus Limited | Hastings | 2026 |
| Evolutia Ltd | Newark | 2024 |
| Evolution Care Consultancy Ltd | Lancaster | 2024 |
| Evolution Risk Assurance Ltd | London | 2016 |
| Evolve CM Ltd | Wokingham | 2019 |
| Evolve Day Services Ltd | Great Yarmouth | 2025 |
| Evolve Guards Ltd | Wisbech | 2020 |
| Evolve Opex Limited | Cardiff | 2020 |
| Evolve Safety Solutins Ltd | Aberdeen | 2025 |
| Evolve US Limited | Cheadle | 2021 |
| Evolver Solution Ltd | Dunstable | 2025 |
| Ewen Consulting Ltd | Cirencester | 2024 |
| EWR Healthcare Ltd | London | 2025 |
| Exact Fire Safety Ltd | Welwyn Garden City | 2025 |
| Excel Fire Protection Limited | Todmorden | 2007 |