| Empress Properties Ltd | Real estate | 2023 |
| Emrah Bookkeeping Ltd | Professional & scientific | 2021 |
| Emrast Management One Ltd | Administrative & support | 2018 |
| EMS Furnishing Limited | Construction | 2024 |
| EMT Pro Ltd | Real estate | 2024 |
| EMV Distribution Ltd | Manufacturing | 2025 |
| Emwac Limited | Wholesale & retail | 2013 |
| EMZ Logistics Ltd | Wholesale & retail | 2025 |
| Emzak Ltd | Real estate | 2020 |
| EN Capital Ltd | Real estate | 2026 |
| EN SPV1 Ltd | Health & social care | 2024 |
| Enable Green Partners Ltd | Professional & scientific | 2023 |
| Enaco Ltd | Construction | 2016 |
| Encore North Ltd | Real estate | 2023 |
| Encouraging Excellence Limited | Education | 2013 |
| Endeavour Flooring Limited | Construction | 2012 |
| Endeavour Legal Solutions Limited | Professional & scientific | 2019 |
| Enderbury Ltd | Other services | 2007 |
| Ending Limited | Information & communication | 2025 |
| Endless Concierge Limited | Other services | 2023 |
| Endless Fashion Ltd | Other services | 2025 |
| Endless Motors Limited | Professional & scientific | 2025 |
| Endless Works Ltd | Wholesale & retail | 2020 |
| Endorphin Limited | Other services | 2023 |
| Endsleigh Care Limited | Health & social care | 2012 |
| Endsleigh Holdings Ltd | Real estate | 2023 |
| Enem Enterprise UK Ltd | Wholesale & retail | 2012 |
| Energiant Ltd | Construction | 2025 |
| Energies Forever Ltd | Health & social care | 2016 |
| Energise Health Club Ltd | Administrative & support | 2017 |
| Energy East Capital Limited | Construction | 2021 |
| Energy Guider Ltd | Professional & scientific | 2023 |
| Energy Infrastructure Consultants Ltd | Professional & scientific | 2023 |
| Energy Safe Limited | Administrative & support | 2012 |
| Energy Wave Ltd | Other services | 2020 |
| Energytick Education and Training Ltd | Education | 2014 |
| Enetcom Ltd | Transport & logistics | 2020 |
| Enfield Highway Development Limited | Real estate | 2018 |
| Enfield Skips Limited | Water & waste | 2000 |
| ENG Consulting Civil and Structural Engineers Ltd | Professional & scientific | 2025 |
| ENG Consulting Limited | Professional & scientific | 2008 |
| Engine Bulders UK Ltd | Wholesale & retail | 2025 |
| Engine Direct Limited | Wholesale & retail | 2020 |
| Engine Finders UK Ltd | Information & communication | 2021 |
| Engine Supplies Limited | Wholesale & retail | 2019 |
| Engineering 365 Resourcing Limited | Administrative & support | 2010 |
| Enginuity Theatre Ltd | Arts & recreation | 2023 |
| Englefield Holdings Limited | | 1958 |
| English Indulgence Limited | Wholesale & retail | 2025 |
| Engraving World Limited | Manufacturing | 2011 |
| Enhance Cosmetics Ltd | Wholesale & retail | 2021 |
| ENI Facade Ltd | Construction | 2020 |
| ENI Solutions Ltd | Construction | 2017 |
| Enigma Private Hire Driver Ltd | Transport & logistics | 2023 |
| Enigma Property Services Ltd | Real estate | 2019 |
| Enigmac Trading Ltd | Wholesale & retail | 2020 |
| Enirca Construction Ltd | Construction | 2024 |
| Enkanasa Market London Ltd | Wholesale & retail | 2025 |
| Enlightened Ayurveda Limited | Wholesale & retail | 2025 |
| Enlightenment Records Limited | Information & communication | 2008 |
| Ennova Farhan Ltd | Wholesale & retail | 2026 |
| Ennova Gujranwala Limited | Wholesale & retail | 2026 |
| Enso Lounge Ltd | Hospitality | 2024 |
| Ensquarepackages Limited | Manufacturing | 2025 |
| Entcomm Limited | Information & communication | 2022 |
| Entelechy Marketing Ltd | Other services | 2019 |
| Enterprise Landholdings Ltd | Real estate | 2021 |
| Enterprise Property Developments Limited | Real estate | 2023 |
| Entourage Training Academy Ltd | Education | 2023 |
| Entrust Energy Ltd | Administrative & support | 2026 |
| Envelopglasstech Limited | Construction | 2018 |
| Environmental Drainage Services Limited | Professional & scientific | 2019 |
| Environmental Horizons Ltd | Water & waste | 2021 |
| Envisage Design Limited | Professional & scientific | 2024 |
| Envisiage Ltd | Real estate | 2014 |
| Envy Ayla Ltd | Real estate | 2019 |
| Envy Bluegrain Ltd | Hospitality | 2025 |
| Enzaco Limited | Real estate | 2025 |
| Enzo Property Investments Ltd | Real estate | 2026 |
| Eoncanvas Ltd | Information & communication | 2026 |
| Eonexus Support Limited | Administrative & support | 2025 |
| Eonix Nova Ltd | Wholesale & retail | 2024 |
| EP Online Ltd | Wholesale & retail | 2023 |
| EPA Consultant Services Ltd | Real estate | 2025 |
| EPC & Elec Testing Ltd | Construction | 2019 |
| EPF One Investments Ltd | Real estate | 2025 |
| Ephatha Foods Limited | Wholesale & retail | 2024 |
| Epic Business Limited | Wholesale & retail | 2020 |
| Epic Campus Ltd | Wholesale & retail | 2025 |
| Epic Couriers Limited | Transport & logistics | 2022 |
| Epic Facilities Management Ltd | Administrative & support | 2018 |
| Epic Overseas Ltd | Professional & scientific | 2024 |
| Epic Pulse Limited | Wholesale & retail | 2024 |
| Epic Trading Ltd | Wholesale & retail | 2021 |
| Epicfix Ltd | Information & communication | 2021 |
| Epicuk Ltd | Hospitality | 2019 |
| Epicuk Property Ltd | Real estate | 2023 |
| Epilepsy Awareness Support Education Community Interest Company | Health & social care | 2024 |
| Episod Studio Ltd | Information & communication | 2021 |
| Epitom Ltd | Construction | 2017 |