| Ehealth Digitech Consulting Limited | Administrative & support | 2021 |
| Eheat Limited | Construction | 2026 |
| EHR Vehicles Solutions Ltd | Wholesale & retail | 2025 |
| EHS (Property Services) Limited | Real estate | 1991 |
| EHS Holdings Limited | Construction | 1998 |
| Ehsaas Cargo Services Ltd | Transport & logistics | 2021 |
| Ehsaas CIC | Education | 2025 |
| Ehsaas Ummah Foundation Limited | Water & waste | 2022 |
| Ehsan Barber Ltd | Other services | 2024 |
| Ehsan Brothers Limited | Wholesale & retail | 2020 |
| Ehsan Windows Ltd | Construction | 2025 |
| Ehsun Saeed Limited | Information & communication | 2010 |
| Ehtesham Limited | Wholesale & retail | 2020 |
| EI Housing Limited | Real estate | 2022 |
| EI Tech and Musical UK Ltd | Wholesale & retail | 2025 |
| EID Mela Ltd | Arts & recreation | 2023 |
| Eidgah Academy C.I.C. | Education | 2018 |
| EIG Holdings Limited | Administrative & support | 2016 |
| Eight a Properties Ltd | Real estate | 2020 |
| Eight Brothers Limited | Wholesale & retail | 2025 |
| Eight Peaks Group Limited | Professional & scientific | 2000 |
| Eight Property Services Limited | Construction | 2026 |
| Eight-Sided Labs Ltd | Professional & scientific | 2025 |
| EIGHT18 Property Ltd | Other services | 2025 |
| Eightea 88 Ltd | Wholesale & retail | 2021 |
| Eightescape Limited | Arts & recreation | 2025 |
| Eighty SIX 06 Limited | Real estate | 2019 |
| Eightyone Three Limited | Real estate | 2020 |
| Eign Street Limited | Real estate | 2022 |
| EII Solutions Limited | Education | 2016 |
| Eiinvoicing Limited | Transport & logistics | 2026 |
| EIK Global Limited | Professional & scientific | 2018 |
| EIK Tech Ventures Limited | Information & communication | 2021 |
| Eilahi Network Ltd | Construction | 2023 |
| Eile Communications UK Ltd | Information & communication | 2021 |
| EIM Investment Group Ltd | Real estate | 2025 |
| EIN Klick Ltd | Wholesale & retail | 2023 |
| Einstein Academy Ltd | Education | 2026 |
| Einvoicing Solutions Ltd | Transport & logistics | 2025 |
| Eipuk Ltd | Administrative & support | 2023 |
| Eiramu Ltd | Health & social care | 2024 |
| Eirene Consulting Ltd | Information & communication | 2024 |
| EIS Cafe Ltd | Hospitality | 2014 |
| Eisa Minimart Limited | Wholesale & retail | 2026 |
| Eisenmann U.K. Limited | Manufacturing | 1999 |
| Eisler Capital (HC) Ltd | Administrative & support | 2018 |
| Eisler Capital (JJ) Limited | Administrative & support | 2021 |
| Eisler Capital (Services) Ltd | Administrative & support | 2016 |
| Eisler Capital (UK) Ltd | Professional & scientific | 2015 |
| Eisler Capital Management Ltd | Financial services | 2015 |
| Eissaa Ltd | Administrative & support | 2022 |
| Eiwm Ltd | Construction | 2018 |
| EJ Controls Ltd | Information & communication | 2021 |
| EJ GAS & Heating Engineer Ltd | Construction | 2026 |
| EJ Limited | Extraterritorial | 1952 |
| EJ Traders Limited | Hospitality | 2020 |
| EJ UK Property Services Ltd | Households | 2023 |
| Ejaz & Co Ltd | Professional & scientific | 2011 |
| Ejaz Ahmed Ltd | Other services | 2025 |
| Eject Technologies Ltd | Information & communication | 2022 |
| EJF Partnerships Limited | Administrative & support | 2016 |
| EJG Contracting Limited | Construction | 2023 |
| Ejhart Limited | Administrative & support | 2006 |
| EJJ Property Limited | Real estate | 2016 |
| Ejnm Ltd | Wholesale & retail | 2025 |
| EJR Group Limited | Financial services | 2016 |
| EJS Safety Services Limited | Administrative & support | 2017 |
| EJW Services Ltd | Professional & scientific | 2025 |
| EK 3LIFE Co. Ltd | Real estate | 2020 |
| EK Consulting Group Ltd | Administrative & support | 2009 |
| EK Enterprise Limited | Administrative & support | 2005 |
| EK Fast Couriers Ltd | Transport & logistics | 2025 |
| EK Garments Limited | Wholesale & retail | 2025 |
| EK Housing and Lettings Limited | Real estate | 2026 |
| EK International Trading Ltd | Wholesale & retail | 2019 |
| EK Invest Property Ltd | Real estate | 2024 |
| EK Podcasts and Media Ltd | Information & communication | 2023 |
| EK Sports Therapy Ltd | Other services | 2023 |
| EK Supply Ltd | Wholesale & retail | 2025 |
| EK Tennis and Golf Ltd | Education | 2023 |
| Ek-On Solutions Ltd | Professional & scientific | 2008 |
| EK381 Limited | Wholesale & retail | 2026 |
| EKA Finance Limited | Administrative & support | 2008 |
| Ekag Holding Ltd | Financial services | 2019 |
| Ekalon Consulting Ltd | Professional & scientific | 2025 |
| Ekam Jewellers Ltd | Wholesale & retail | 2018 |
| Ekan Consulting Ltd | Professional & scientific | 2024 |
| Ekay X Change Ltd | Health & social care | 2024 |
| Ekdanta Medical Ltd | Health & social care | 2026 |
| Ekesa Ltd | Hospitality | 2025 |
| EKG Holdings Ltd | Financial services | 2024 |
| Ekgm Consulting Limited | Professional & scientific | 2025 |
| Ekgm Investments Limited | Real estate | 2024 |
| Ekgm Limited | Professional & scientific | 2021 |
| Ekham Retail Limited | Wholesale & retail | 2023 |
| Ekho Fresh Limited | Wholesale & retail | 2022 |
| Ekillilu Tailoring & Launderette Ltd | Other services | 2018 |
| EKN Limited | Manufacturing | 2016 |
| EKO Homes and Properties Ltd | Real estate | 2021 |
| EKO Pantry Ltd | Wholesale & retail | 2025 |