| Eaton Lane Ltd | Wholesale & retail | 2025 |
| Eavm Rental Property Limited | Real estate | 2023 |
| Eazypzy Limited | Information & communication | 2023 |
| Ebla-Uk Ltd | Wholesale & retail | 2017 |
| Ebmim Ltd | Transport & logistics | 2025 |
| EC Investment Holdings Limited | Other services | 2018 |
| ECA Homes Ltd | Real estate | 2015 |
| Eccleston Foks Limited | Administrative & support | 2024 |
| Ecfio Developments Limited | Construction | 2023 |
| ECG Consulting Ltd | Financial services | 2014 |
| Echo Delta Properties Limited | Real estate | 2025 |
| Echo Medical Ltd | Health & social care | 2021 |
| Echo Sonography Solutions Ltd | Health & social care | 2025 |
| Eclips Ltd | Transport & logistics | 2015 |
| Eclipse Catering Limited | Hospitality | 2018 |
| Ecliptor Media Ltd | Professional & scientific | 2025 |
| Eclogite Management Limited | Other services | 2024 |
| Eco Climate Solutions and Building Compliance Limited | Construction | 2022 |
| Eco Wholesale Supplies Ltd | Wholesale & retail | 2022 |
| Econorod Limited | Water & waste | 2003 |
| Ecos Construction Ltd | Construction | 2015 |
| ED Fergusson Ltd | Professional & scientific | 2018 |
| EDC Investments Ltd | Real estate | 2019 |
| Eden Arrival Limited | Administrative & support | 2025 |
| Eden Professional Ltd | Professional & scientific | 2014 |
| Edmunds Management Limited | Households | 2018 |
| Edmunds Residential Ltd | Real estate | 2023 |
| Edward Michael’S Carpets Limited | Other services | 2021 |
| Edward Violette Ltd | Extraterritorial | 2024 |
| Edwards & Finn Consultancy Limited | Administrative & support | 2019 |
| Edwards King of Smoke Limited | Wholesale & retail | 2021 |
| Edybles Ltd | Hospitality | 2022 |
| EE Properties Ltd | Real estate | 2019 |
| EF Surgical Consultancy Limited | Health & social care | 2017 |
| Effectifai Limited | Professional & scientific | 2024 |
| Efficiency Plumbing Solutions Ltd | Construction | 2019 |
| Efobi Holdings Ltd | Financial services | 2025 |
| Eggfree Cake Box Harlow Ltd | Wholesale & retail | 2019 |
| Eglos Property Limited | Real estate | 2023 |
| EH Coaching Academy Limited | Education | 2010 |
| Ehieghosehi Ltd | Transport & logistics | 2020 |
| Eiaro Limited | Professional & scientific | 2023 |
| Eightacademy Ltd. | Real estate | 2019 |
| Eighty Eight Jewellery Ltd | Wholesale & retail | 2022 |
| Eighty Seven Group Limited | Wholesale & retail | 2024 |
| EJG Construction Ltd | Construction | 2019 |
| Ekaeka Limited | Real estate | 2017 |
| EKO Donamis Ltd | Hospitality | 2024 |
| Ekong Commerce Limited | Wholesale & retail | 2024 |
| Ekong Holdings Limited | Real estate | 2017 |
| Eksam Limited | Other services | 2025 |
| EL ROI Pharma Ltd | Wholesale & retail | 2023 |
| EL Sueno Limited | Arts & recreation | 2020 |
| Elaine Duffy Audio Limited | Information & communication | 2024 |
| Elaine Grix Limited | Administrative & support | 2011 |
| Elanor Property Management Ltd | Real estate | 2024 |
| Elass Ltd | Administrative & support | 2019 |
| Eldejama Holdings Limited | Financial services | 2023 |
| Elder Way 1960 Limited | Extraterritorial | 2014 |
| Elderease Ltd | Health & social care | 2026 |
| Elderly Life Limited | Professional & scientific | 2021 |
| Eleanor Juliet PR Limited | Professional & scientific | 2022 |
| Eleazar Ltd | Construction | 2026 |
| Elecion Limited | Construction | 2016 |
| Elecon Electrical Ltd | Construction | 2026 |
| Elecro Engineering Limited | Manufacturing | 1998 |
| Elecro Fluid Dynamics Ltd. | Financial services | 2016 |
| Electric Hart Ltd | Arts & recreation | 2021 |
| Electric MAX Ltd | Construction | 2025 |
| Electrico Studios Limited | Information & communication | 2025 |
| Electrifyen Ltd | Construction | 2026 |
| Electron House (Overseas) Limited | Professional & scientific | 1985 |
| Electrosparky Ltd | Construction | 2024 |
| Elegant Pizza Stevenage Limited | Hospitality | 2021 |
| Elek Check Ltd | Construction | 2020 |
| Elementary Health Limited | Health & social care | 2013 |
| Eleri Salter Ltd | Professional & scientific | 2018 |
| ELEVATE25 Property Limited | Real estate | 2025 |
| ELEVEN:11 Consultancy Limited | Professional & scientific | 2023 |
| Elissadul Services Limited | Health & social care | 2013 |
| Elit Transfers Stevenage Ltd | Transport & logistics | 2021 |
| Elite Integrated Security Ltd | Construction | 2008 |
| Elite Landscapes and Groundworks Ltd | Administrative & support | 2022 |
| Elite Magician Limited | Arts & recreation | 2016 |
| Elite Manufacturing Solutions Limited | Manufacturing | 2005 |
| Elite Network Services Limited | Water & waste | 2023 |
| Elixonn Healthcare Ltd | Health & social care | 2022 |
| Elixonn Ltd | Information & communication | 2022 |
| Elixonn Properties Limited | Real estate | 2023 |
| Elizabeth Property Services Limited | Other services | 2019 |
| Ellc Limited | Health & social care | 2013 |
| Elle John Limited | Other services | 2018 |
| Ellerbell Limited | Administrative & support | 2006 |
| Elliax Consulting Ltd | Information & communication | 2025 |
| Elliot Civil Engineer Ltd | Professional & scientific | 2020 |
| Elliotts Commercial Strip OUT Limited | Administrative & support | 2024 |
| Elliotts Contract Cleaning Limited | Administrative & support | 2023 |
| Elliotts Drainage Limited | Administrative & support | 2020 |
| Elliotts Facilities Management Limited | Administrative & support | 2017 |
| Elliotts Groundworks Limited | Construction | 2023 |