| Eclat Hair Limited | Other services | 2025 |
| ECN Digital Development Ltd | Information & communication | 2021 |
| Eco Energy Vision Limited | Wholesale & retail | 2024 |
| Eco Green Group of Companies Limited | Administrative & support | 2011 |
| Eco Habitation Limited | Real estate | 2005 |
| Eco Residential Care Limited | Health & social care | 2019 |
| Eco Spark Energy Services Limited | Construction | 2026 |
| Eco Wings & Nights Limited | Health & social care | 2011 |
| ECT Leasing Limited | Administrative & support | 2025 |
| Ecubed Limited | Professional & scientific | 2001 |
| ED Chattels Limited | Wholesale & retail | 2023 |
| Ed-Ashan Care Solutions Limited | Administrative & support | 2016 |
| EDD Court PTI Ltd | Other services | 2018 |
| Eddcourt Holistic Ltd | Wholesale & retail | 2026 |
| Eden Rail Limited | Professional & scientific | 2014 |
| Edge Cleaning Ltd | Administrative & support | 2025 |
| Edi's Unisex Hair Salon Limited | Other services | 2024 |
| Edith Garland Architecture Ltd | Professional & scientific | 2020 |
| Edith Garland Limited | Real estate | 2018 |
| EDK Trading Ltd | Wholesale & retail | 2014 |
| Edmunds and Co Development Ltd | Construction | 2025 |
| Edmunds and Co Projects Ltd | Construction | 2025 |
| EDP (UK) Ltd | Manufacturing | 2001 |
| EDP Property Ltd | Real estate | 2017 |
| Eduard Stan Limited | Professional & scientific | 2016 |
| Education Genius Consultants Limited | Administrative & support | 2023 |
| Edward Abbotts Ltd | Other services | 2014 |
| Edward Clifton Ltd | Real estate | 2017 |
| Edward Clifton NO2 Ltd | Real estate | 2018 |
| Edward Leonard Conroy Limited | Wholesale & retail | 2014 |
| Edward Noor Ltd | Real estate | 2020 |
| Edward-Nelson Partners Limited | Professional & scientific | 2021 |
| Edwards J Associates Limited | Real estate | 2005 |
| Eesave Ventures Ltd | Wholesale & retail | 2015 |
| EF Textiles Limited | Wholesale & retail | 2022 |
| EFA Group Ltd | Administrative & support | 2023 |
| Efix Ltd | Information & communication | 2015 |
| EFN Contractors Limited | Construction | 2021 |
| EGM Consultants Limited | Administrative & support | 2024 |
| Ehsun Life Coaching Ltd | Other services | 2021 |
| Eightytwentyco Ltd | Education | 2026 |
| EL Luko Ltd | Transport & logistics | 2025 |
| Elderwood (Bannerdale) Management Company Limited | Households | 2018 |
| Eleazar Smart Installation System Ltd | Construction | 2022 |
| Electroinstal Ltd | Construction | 2022 |
| Elevate Your People Ltd | Administrative & support | 2026 |
| Elfires Ltd | Information & communication | 2015 |
| Eliass Group Limited | Professional & scientific | 2020 |
| Elimwood Investments Limited | Financial services | 2021 |
| Elimwood Properties Limited | Extraterritorial | 2002 |
| Elite Class Travel Ltd | Transport & logistics | 2025 |
| Elite Frontline Training Solutions Ltd | Education | 2025 |
| Elite Home Mortgages Limited | Financial services | 2024 |
| Elite K9 Protection and Care Limited | Administrative & support | 2025 |
| Elite Property Cleaning Ltd | Administrative & support | 2025 |
| Elizabeth Garden Jewellery Limited | Manufacturing | 2018 |
| Ella Savannah Limited | Extraterritorial | 2003 |
| ELLA18 Limited | Other services | 2020 |
| Ellaron Limited | Real estate | 2019 |
| Ellikss Holding Limited | Wholesale & retail | 2019 |
| Ellis&Sons Plastering & Building Specialists Limited | Construction | 2013 |
| ELM Lodge Residential Limited | Public administration | 2022 |
| ELM Tree Park (Rainworth) Management Company Limited | Households | 2022 |
| Elmali Ltd | Hospitality | 2020 |
| Elmwood CRT Limited | Households | 2013 |
| ELS Artist Academy Ltd | Education | 2026 |
| Elsyn.Ai Ltd | Information & communication | 2026 |
| Elvenstar Limited | Other services | 2016 |
| Elysia Enterprises Ltd | Education | 2021 |
| Elysian Entertainment Production Limited | Other services | 2025 |
| Elysian Thread Designs Ltd | Professional & scientific | 2025 |
| Elysium Partners Limited | Professional & scientific | 2018 |
| Eman Medicos Limited | Health & social care | 2014 |
| Embrace Therapy Ltd | Extraterritorial | 2021 |
| Emconn Ltd | Information & communication | 2023 |
| EME Events Limited | Administrative & support | 2025 |
| Emerald Electrical London Ltd | Construction | 2024 |
| Emerald Entertainment Ltd | Manufacturing | 2024 |
| Emerald Mortgage Services Ltd | Financial services | 2025 |
| Emeralds Care Ltd | Health & social care | 2025 |
| Emerson Contract Services Holdings Ltd | Other services | 2014 |
| Emoli Ltd | Administrative & support | 2026 |
| Emotify Ltd | Information & communication | 2024 |
| Empire Padel and Leisure Ltd | Arts & recreation | 2026 |
| Empirical Metals Ltd | Manufacturing | 2018 |
| Empowerment Services Ltd | Health & social care | 2016 |
| Empresstech Limited | Administrative & support | 1990 |
| Emptage Holdings Limited | Real estate | 2015 |
| Enandu Ltd | Wholesale & retail | 2025 |
| Enanee Dental Ltd | Health & social care | 2015 |
| Enanee Investments Ltd | Real estate | 2020 |
| Enanee Ltd | Health & social care | 2014 |
| Encrypted Potato Limited | Information & communication | 2022 |
| Energious Limited | Administrative & support | 2018 |
| Energize Essex Limited | Education | 2017 |
| Energy Expert Solutions Ltd | Construction | 2025 |
| Energy Tech Direct Ltd | Wholesale & retail | 2020 |
| Engaige Ltd | Hospitality | 2024 |
| Enhance Home Improvements Limited | Other services | 2014 |
| Eniz Properties Limited | Real estate | 2022 |