| Effective Skills Training Ltd | Education | 2018 |
| Efficiencai Ltd | Information & communication | 2024 |
| Efficient Operations Management Limited | Professional & scientific | 2023 |
| Effy Enterprises Ltd | Administrative & support | 2019 |
| EFR Skips Ltd | Water & waste | 2019 |
| EFS Holdings Limited | Professional & scientific | 1999 |
| EFS Limited | Wholesale & retail | 2009 |
| EFS Sports Ltd | Arts & recreation | 2016 |
| Efuetajong Ltd | Administrative & support | 2016 |
| EG Consultancy Group Limited | Information & communication | 2025 |
| EG Foam Ltd | Manufacturing | 2012 |
| EG Solar Construction Limited | Construction | 2025 |
| Egan Suite Ltd | Real estate | 2019 |
| Egdcorp Europe Limited | Information & communication | 2013 |
| EGG Properties Ltd | Real estate | 2024 |
| Eggborough Garages (Whitley) Limited | Extraterritorial | 1963 |
| Eggleston Catering Services Limited | Hospitality | 2003 |
| Eggyparty Limited | Manufacturing | 2024 |
| EGH Creative Limited | Professional & scientific | 2020 |
| Eglick Limited | Professional & scientific | 2019 |
| EGM Electrical Contractors Limited | Construction | 2018 |
| EGO Hair Studio Leeds Ltd | Other services | 2022 |
| EGO Hair Studio Limited | Real estate | 2007 |
| EGO Hairstyling Limited | Other services | 2007 |
| EGO Properties Yorkshire Ltd | Real estate | 2023 |
| EGR Properties Limited | Real estate | 2014 |
| EGS Consulting Limited | Information & communication | 2025 |
| EGS Investments Ltd | Real estate | 2016 |
| Egsc Group Ltd | Financial services | 2026 |
| Egton Medical Information Systems Limited | Information & communication | 1987 |
| Eguakun Security Limited | Transport & logistics | 2023 |
| EGW Leeds Ltd | Arts & recreation | 2019 |
| Egypt Reach Management Company NO 1 Limited | Real estate | 2019 |
| EHA Farms Limited | Agriculture & fishing | 2014 |
| EHA Specialist Joinery Ltd | Manufacturing | 2012 |
| Ehaven Ltd | Professional & scientific | 2006 |
| EHE Tax Accountants Ltd | Professional & scientific | 2019 |
| Ehhmy Home Ltd | Wholesale & retail | 2018 |
| EHI Analytica (Consulting) Ltd | Information & communication | 2021 |
| EHI CV1 UK Limited | Financial services | 2009 |
| EHI CV3 UK Limited | Financial services | 2009 |
| Ehif (Denmark) Limited | Financial services | 2003 |
| Ehlc Ltd | Real estate | 2022 |
| Ehm-Transport Ltd | Transport & logistics | 2024 |
| Ehrle (Holdings) Limited | Financial services | 2017 |
| Ehrle UK Limited | Professional & scientific | 2017 |
| Ehsani Global Ltd | Wholesale & retail | 2020 |
| EHV - Project Management Limited | Professional & scientific | 2018 |
| Eiba Consultancy Ltd | Information & communication | 2018 |
| Eica Services Ltd | Construction | 2018 |
| Eidolon Security (Leeds) Ltd | Administrative & support | 2023 |
| EIG Consultancy Ltd | Financial services | 2023 |
| Eigensense Ltd | Professional & scientific | 2019 |
| Eiger Studios Ltd | Hospitality | 2022 |
| Eight Oaks International Limited | Administrative & support | 2019 |
| Eightblue Limited | | 1985 |
| Eights Clothing Ltd | Wholesale & retail | 2023 |
| Eighty Twenty Digital Limited | Wholesale & retail | 2022 |
| EIGHTY6 Hospitality Ltd | Hospitality | 2024 |
| EIGHTY9 Productions Ltd | Information & communication | 2025 |
| EIH PPP Limited | Financial services | 2017 |
| Eimearhaugh Limited | Health & social care | 2020 |
| Eircom (UK) Limited | Information & communication | 1997 |
| Eirtikagency Ltd | Professional & scientific | 2025 |
| EIT Living Limited | Real estate | 2025 |
| EJ & Sons Limited | Professional & scientific | 2016 |
| EJ Car Parts Ltd | Wholesale & retail | 2025 |
| Ejaarent Limited | Information & communication | 2020 |
| EJE Energy Limited | Manufacturing | 2025 |
| Ejectorseat Ltd | Information & communication | 2005 |
| EJI Directors Ltd | Professional & scientific | 2022 |
| EJJ Vaines Limited | Professional & scientific | 2019 |
| Ejl.Engineering Ltd | Professional & scientific | 2024 |
| EJM Carpentry Joinery & Assembling Services Ltd | Manufacturing | 2024 |
| EJM Heating Solutions Ltd | Construction | 2022 |
| EJR (Yorkshire) Limited | Real estate | 2010 |
| EK Financial & Consulting Services Limited | Financial services | 2025 |
| EK Kitchens Ltd | Manufacturing | 2023 |
| Ekaa Consulting Services Ltd | Information & communication | 2025 |
| Ekam Fast Food Ltd | Hospitality | 2025 |
| Ekam Ltd | Administrative & support | 2013 |
| Ekamusa Investments Ltd | Health & social care | 2015 |
| Ekba Medical Ltd | Health & social care | 2024 |
| EKC Group Ltd | Construction | 2020 |
| EKE Probate Services Limited | Professional & scientific | 2025 |
| EKE Taxation and Accountancy Services Limited | Professional & scientific | 2025 |
| Eketas Limited | Financial services | 2025 |
| Ekilogram Expo Limited | Transport & logistics | 2024 |
| EKP Management Limited | Administrative & support | 2024 |
| Ekwo Services Limited | Health & social care | 2025 |
| EL Makosa Ltd | Transport & logistics | 2026 |
| EL Marketing Limited | Financial services | 2020 |
| EL Plan Studios Ltd | Information & communication | 2025 |
| EL Properties Limited | Construction | 2007 |
| EL Support Services Limited | Financial services | 2015 |
| El's Gourmet Limited | Hospitality | 2016 |
| El-Alamein & El-Gouna Travel (GB) Ltd | Real estate | 2020 |
| El-Bethel 7 Ltd | Wholesale & retail | 2024 |
| El-Frico Limited | Wholesale & retail | 2022 |
| El-Horeb Limited | Wholesale & retail | 2018 |