| EFB Consulting Ltd | Professional & scientific | 2022 |
| Effective Education Centre | Education | 2025 |
| EG Aifm Ltd | Financial services | 2023 |
| EG Home Services Ltd | Administrative & support | 2022 |
| Egap Estates Ltd | Real estate | 2020 |
| Egap Recycling Ltd | Water & waste | 2012 |
| Egbk Installations Limited | Construction | 2011 |
| Eggs Group Ltd | Administrative & support | 2026 |
| Eghc Ecomm Ltd | Arts & recreation | 2021 |
| Eghs Holdings Ltd | Other services | 2024 |
| Elagon Ltd. | Manufacturing | 2015 |
| Elaine Child Financial Services Limited | Financial services | 2019 |
| Eleanor K Ltd | Arts & recreation | 2020 |
| Electric COL Ltd | Wholesale & retail | 2019 |
| Electric Image Ltd | Information & communication | 2002 |
| Electrigas Ltd | Construction | 2020 |
| Elevate the Printed Packaging Consultants Ltd | Professional & scientific | 2024 |
| Elifar Foundation Limited | Administrative & support | 2013 |
| Elite EYE Centre EG Ltd | Administrative & support | 2025 |
| Elite EYE Ltd | Administrative & support | 2025 |
| Elize Stoneham Ltd | Professional & scientific | 2021 |
| Ellen Marie Ltd | Wholesale & retail | 2026 |
| Ellette Limited | Wholesale & retail | 2025 |
| Elliott & Associates Risk Management Ltd | Financial services | 2026 |
| Ellis & Associates Residential Limited | Construction | 2021 |
| Ellis PMC Limited | Professional & scientific | 2005 |
| Elmes Dragon Dreams Ltd | Construction | 2024 |
| Elmstead Property Company Limited | Households | 1992 |
| Ember & Oak Wellness Ltd | Professional & scientific | 2025 |
| EMC Consulting London Ltd | Professional & scientific | 2015 |
| Emirzade Ltd | Hospitality | 2016 |
| Empathic Ltd | Information & communication | 2022 |
| Empathy Care Support Limited | Health & social care | 2025 |
| Empowered Pension Group Limited | Financial services | 2025 |
| Empowered Pensions Ltd | Administrative & support | 2003 |
| Emsa Holding Limited | Real estate | 2024 |
| Emsa Properties Limited | Real estate | 2021 |
| EMW Consultancy Group Limited | Information & communication | 2023 |
| Enchantment Rose Limited | Wholesale & retail | 2026 |
| Encycleopedia Ltd | Information & communication | 2019 |
| Energy Transparent Limited | Administrative & support | 2015 |
| Energy Transport Group Ltd | Manufacturing | 2024 |
| Enki Electrical EG Ltd | Wholesale & retail | 2026 |
| Enki Electrical Group Ltd | Wholesale & retail | 2026 |
| Enki Electrical HH Ltd | Wholesale & retail | 2026 |
| Enkida Limited | Information & communication | 2010 |
| Enko Maintenance Ltd | Extraterritorial | 2017 |
| Ennas & Saunders Holdings Limited | Financial services | 2025 |
| Enovate Studio Ltd | Administrative & support | 2012 |
| Enrich Care Ltd | Health & social care | 2025 |
| Entertain YOU Limited | Arts & recreation | 2026 |
| Enviro Office World Ltd | Manufacturing | 2025 |
| Environmental Sampling Ltd | Administrative & support | 2019 |
| EOS Training Limited | Education | 1998 |
| EP Music Limited | Information & communication | 2013 |
| Epicus Finance Limited | Professional & scientific | 2019 |
| Epoc C.I.C. | Professional & scientific | 2022 |
| Erecta Scaffolding Limited | Construction | 2019 |
| Erisan Products Ltd | Wholesale & retail | 2018 |
| Erithacus Software Limited | Information & communication | 1989 |
| Escapevr Limited | Information & communication | 2025 |
| Esovita Europe Limited | Professional & scientific | 2009 |
| Esovita Limited | Financial services | 2009 |
| Essential Cleaners Ltd | Administrative & support | 2019 |
| Eteli Ltd | Information & communication | 2024 |
| Eterna Games Ltd | Information & communication | 2023 |
| Eterna Wellness LAB Ltd | Arts & recreation | 2025 |
| Eternal Light Music Limited | Arts & recreation | 2012 |
| ETR8 Ltd | Hospitality | 2018 |
| Etta Mila Ltd | Professional & scientific | 2010 |
| Euphoria Music Events Ltd | Arts & recreation | 2025 |
| Euro Consulting Limited | Real estate | 2002 |
| Euro Consulting Solutions Limited | Administrative & support | 2023 |
| European Payment Ltd | Information & communication | 2018 |
| European Translation & Language Services Limited | Administrative & support | 2003 |
| Eurythmy UK Ltd | Education | 1983 |
| EVE Rose Property Investments Limited | Financial services | 2024 |
| Evenor Enterprises Ltd | Professional & scientific | 2023 |
| Event & Promotion Hostess Solution Ltd | Extraterritorial | 2019 |
| Event Production Management London Ltd | Administrative & support | 2003 |
| Eventora Hire Co Sussex Ltd | Administrative & support | 2025 |
| Everyworldlend Ltd | Manufacturing | 2024 |
| Evolution Accounts Ltd | Professional & scientific | 2008 |
| Ewpai Limited | Real estate | 2016 |
| Exactweld (G.B.) Limited | Manufacturing | 1978 |
| Excel Developments LDN Ltd | Construction | 2025 |
| Exclusive Carpentry Ltd | Other services | 2018 |
| Exia Management Limited | Real estate | 2010 |
| Exoline Ltd | Manufacturing | 2011 |
| Expansion Factor Limited | Information & communication | 2010 |
| Expert-Roadcraft Ltd | Education | 2019 |
| Exploration Mapping Services Limited | Administrative & support | 1985 |
| Express Airport Transfers Ltd | Transport & logistics | 2024 |
| Exquisite Spaces Ltd | Real estate | 2019 |
| Exterior Care Ltd | Administrative & support | 2023 |
| External Viewpoint Consulting Limited | Professional & scientific | 2004 |
| Eyelash Grooming Supplies Ltd | Other services | 2014 |
| Ezpz (Japan) EZ Limited | Households | 1993 |
| F & T Property Ltd | Construction | 2026 |
| F a Anderson Limited | Wholesale & retail | 2022 |