| E-Mobility UK Ltd | Wholesale & retail | 2026 |
| E-Pic Imaginations Ltd | Information & communication | 2021 |
| E. R. F. C. Nominees Limited | Professional & scientific | 1999 |
| E.S.X. Limited | Administrative & support | 1997 |
| E14 Estates (RD) Limited | Real estate | 2016 |
| E17 Holdings Ltd | Hospitality | 2019 |
| EA Superheroes Limited | Education | 2022 |
| EAG Corporation Ltd | Professional & scientific | 2023 |
| Eagle Bay Holdings Ltd | Financial services | 2023 |
| Eaglebrand Limited | Other services | 2019 |
| Earth Cycles Ebikes Ltd | Wholesale & retail | 2018 |
| Earth Former Publishing Ltd | Information & communication | 2020 |
| East European Cultural Centre Ltd | Information & communication | 2018 |
| East Kingston Potato Barn Limited | Construction | 2025 |
| East London Drylining Limited | Construction | 2018 |
| Eastern Vibes Production Limited | Information & communication | 2011 |
| Easy Group Enterprises Ltd | Financial services | 2022 |
| Eatnua Riverside Limited | Hospitality | 2026 |
| Eatonbury Ltd | Professional & scientific | 2013 |
| Eccora Limited | Administrative & support | 2009 |
| Eclipse Choir Limited | Arts & recreation | 2022 |
| Eclipse Property and Commercial Finance Limited | Administrative & support | 2013 |
| Ecom Elite Mentorship Ltd | Education | 2025 |
| Ecom Industries Ltd | Wholesale & retail | 2024 |
| Ecommerce VAT Ltd | Administrative & support | 2017 |
| Ecomstat Ltd | Professional & scientific | 2022 |
| Ecoquick Parcel Delivery Services Limited | Transport & logistics | 2025 |
| Ecotime Consultancy Ltd | Administrative & support | 2010 |
| Ecowear Apparel Limited | Wholesale & retail | 2024 |
| Ecsm Property Ltd | Administrative & support | 2014 |
| ED Parsons DOT COM Ltd | Information & communication | 2025 |
| Ed.Send Ltd | Education | 2020 |
| Eden Corporate Services Limited | Other services | 1995 |
| Eden Holdings Limited | Professional & scientific | 2000 |
| Eden Mews Limited | Households | 2023 |
| Eden Nominees Limited | Professional & scientific | 1994 |
| Eden Secretaries Limited | Professional & scientific | 1995 |
| Eden Street Limited | Other services | 2008 |
| Edessa Limited | Health & social care | 2005 |
| Edmirpeca Ltd | Transport & logistics | 2024 |
| Edollian Limited | Information & communication | 2016 |
| Education Choices Magazine Ltd | Education | 2021 |
| Eduquota Kingston Ltd | Education | 2024 |
| Eduvia Ltd | Education | 2025 |
| Eduvoyage Ltd | Public administration | 2025 |
| EDY Construct Top Ltd | Manufacturing | 2025 |
| Efficiencyfit Limited | Manufacturing | 2017 |
| Effra Consult Ltd | Professional & scientific | 2015 |
| Efuel Motor Tech Limited | Wholesale & retail | 2023 |
| EG Consultants Ltd | Professional & scientific | 2024 |
| EG Safety Training Ltd | Professional & scientific | 2018 |
| Egerton Court Freehold Limited | Households | 2011 |
| EHG Home Limited | Construction | 2000 |
| Eileithyia Limited | Health & social care | 2022 |
| EK Oankar Limited | Transport & logistics | 2009 |
| EK Sports Coaching Ltd | Education | 2025 |
| Ekur Ltd | Financial services | 2022 |
| EL Desperado Limited | Hospitality | 2013 |
| Elamite Limited | Manufacturing | 2025 |
| Elarys (UK) Ltd | Professional & scientific | 2025 |
| Elarys Global Ltd | Professional & scientific | 2025 |
| Elasticchain Agile Trade Limited | Wholesale & retail | 2025 |
| Elaw Productions Limited | Manufacturing | 2004 |
| Elbe Kingston Limited | Wholesale & retail | 2025 |
| Eleanor Pritchard Limited | Manufacturing | 2013 |
| Elec Heat Limited | Construction | 2016 |
| Elecdata Technology Limited | Information & communication | 2020 |
| Electric Green Limited | Professional & scientific | 2022 |
| Electro Spyres Healthcare Ltd | Wholesale & retail | 2019 |
| Electronic Formations Limited | Professional & scientific | 2001 |
| Elegant Curtains Ltd | Manufacturing | 2018 |
| Elegant Rampage Limited | Professional & scientific | 2023 |
| Eleganza Aesthetics Ltd | Other services | 2024 |
| Element Engineering and Design Services Limited | Professional & scientific | 2018 |
| Elettra Bordonaro Limited | Administrative & support | 2012 |
| Elevate Renovate Limited | Construction | 2024 |
| Elgamec Limited | Professional & scientific | 1978 |
| Elio Properties Limited | Real estate | 2022 |
| Elite Group Global Ltd | Administrative & support | 2015 |
| Elite Richmond Ltd | Education | 2023 |
| Elite Style London Limited | Professional & scientific | 2017 |
| Elixir Holdings Ltd | Other services | 2017 |
| Elizabeth Imogen Print Design Ltd | Arts & recreation | 2013 |
| Ella Coates Residential Limited | Real estate | 2023 |
| Elle Marketing Group Limited | Professional & scientific | 2021 |
| Elliott Associates Limited | Professional & scientific | 1982 |
| Elliptech Ltd | Information & communication | 2013 |
| Ellis Conway Limited | Administrative & support | 2016 |
| ELM Stone Ltd | Real estate | 2021 |
| Eloquence London Ltd | Real estate | 2018 |
| Elsby & Co Heating Limited | Construction | 2022 |
| Elson Limited | Wholesale & retail | 2009 |
| Elstow Investments Limited | Administrative & support | 2012 |
| Elstow Secretaries Limited | Administrative & support | 2012 |
| ELY Investments Limited | Real estate | 2020 |
| Elyptica Ltd | Professional & scientific | 2026 |
| Elysees West UK Limited | Administrative & support | 1998 |
| EM Consulting Ltd | Professional & scientific | 2022 |
| Em-K Works Ltd | Professional & scientific | 2021 |
| Embear Ltd | Professional & scientific | 2018 |