| Ecomek Limited | Professional & scientific | 2007 |
| Ecommerce Advertisers Ltd | Information & communication | 2018 |
| Ecommerce Unit Ltd | Wholesale & retail | 2024 |
| Ecomvantage Solutions Ltd | Wholesale & retail | 2025 |
| Econix Limited | Manufacturing | 2004 |
| Econnectivity Limited | Information & communication | 2015 |
| Economic Cutting Limited | Manufacturing | 1969 |
| Economic Development Ltd | Professional & scientific | 2019 |
| Ecoportal UK Limited | Information & communication | 2025 |
| Ecosafe Driving School Limited | Extraterritorial | 2010 |
| Ecosus Panel Ltd | Manufacturing | 2019 |
| Ecoswitch Electrical Sheff Limited | Construction | 2014 |
| Ecotech Electrical Ltd | Construction | 2023 |
| Ecotech Plumbing & Heating (SY) Ltd | Construction | 2012 |
| ECQ Construction Ltd | Construction | 2025 |
| Ecus (Holdings) Limited | Professional & scientific | 2004 |
| Ecus EBT Trustee Limited | Administrative & support | 2009 |
| ED Homes Ltd | Real estate | 2022 |
| ED Whitehead Architects Ltd | Professional & scientific | 2022 |
| Ed-Dolphin Ltd | Education | 2020 |
| Edadoc (UK) Ltd | Real estate | 2023 |
| Edale Cottages Ltd | Real estate | 2022 |
| Edale Properties Ltd | Real estate | 2025 |
| Edansi Ltd | Real estate | 2024 |
| Edar Trading Ltd | Wholesale & retail | 2024 |
| Edarcade Limited | Education | 2016 |
| Edat Enterprise Ltd | Wholesale & retail | 2024 |
| Edbetter Limited | Information & communication | 2021 |
| EDC Render Plaster UK Limited | Construction | 2024 |
| Edclass Holdings Ltd | Financial services | 2025 |
| Edclass Ltd | Education | 2020 |
| Eddershaw Joinery Limited | Construction | 2014 |
| Edechenu Ltd | Health & social care | 2021 |
| Eden Botanical Ltd | Administrative & support | 2026 |
| Eden Consulting Services Ltd | Administrative & support | 2022 |
| Eden Court Sheffield Ltd | Households | 2021 |
| Eden Investment Holdings Ltd | Real estate | 2023 |
| Eden LEA Management Limited | Hospitality | 2014 |
| Eden Music Production Limited | Information & communication | 2021 |
| Eden Stannington Road Management Company Limited | Households | 2006 |
| Edenwood Homes Ltd | Real estate | 2022 |
| Ederh Glam Luxe Ltd | Other services | 2025 |
| Edexams Ltd | Education | 2016 |
| Edgar Allen H.S. Manufacturing Limited | | 1956 |
| Edge AD Ltd | Professional & scientific | 2013 |
| Edge Animal Physio Ltd | Professional & scientific | 2022 |
| Edge BD Ltd | Extraterritorial | 2023 |
| Edge Car Hire Ltd | Administrative & support | 2019 |
| Edge Car Sales Ltd | Wholesale & retail | 2019 |
| Edge CD Ltd | Extraterritorial | 2023 |
| Edge Design Agency Ltd | Professional & scientific | 2024 |
| Edge Economics Limited | Professional & scientific | 2013 |
| Edge House Property Ltd | Real estate | 2022 |
| Edge North Property Ltd | Construction | 2025 |
| Edge Studio Collaborative Ltd | Information & communication | 2023 |
| Edge Tool Manufacturing Company Limited | Manufacturing | 2003 |
| Edge Transport Services Ltd | Transport & logistics | 2026 |
| Edgecircle Ltd | Information & communication | 2024 |
| Edgecliffe Properties Ltd | Real estate | 2022 |
| Edgedale Service Station Limited | Wholesale & retail | 2022 |
| Edgehill Estates Limited | Real estate | 2022 |
| Edgewater Health Care Limited | Health & social care | 2021 |
| EDI & Sons Ltd | Construction | 2019 |
| Edible XP Limited | Manufacturing | 2023 |
| EDIT6 Limited | Information & communication | 2018 |
| Edjo Limited | Administrative & support | 2021 |
| Edlounge Ltd | Real estate | 2008 |
| Edmaze Ltd | Health & social care | 2015 |
| Edmondson GAS & Plumbing Ltd | Construction | 2006 |
| Edmund House Limited | Real estate | 2021 |
| Edmund Winder Watts Limited | Real estate | 2008 |
| Ednaucg Limited | Wholesale & retail | 2025 |
| Edopsys Ltd | Information & communication | 2024 |
| Edpsych Assessments UK Ltd | Education | 2025 |
| Edqualifications Ltd | Education | 2016 |
| EDR Recruitment Group Ltd | Administrative & support | 2026 |
| EDR Reid Ltd | Wholesale & retail | 2019 |
| Edriving Solutions Limited | Other services | 2009 |
| Edrol Limited | Transport & logistics | 2025 |
| EDS Process Plant Solutions Limited | Water & waste | 2003 |
| Edtransform Ltd | Professional & scientific | 2013 |
| EDUCA8NOW Ltd | Education | 2020 |
| Educake Ltd | Administrative & support | 2011 |
| Educare Learning Ltd. | Administrative & support | 1983 |
| Educate.Strong Limited | Education | 2024 |
| Education Horizons Group (UK) Ltd | Financial services | 2019 |
| Education Lounge Group Limited | Extraterritorial | 2020 |
| Education OM Makeup Artistry Limited | Education | 2023 |
| Education Placement Group Limited | Administrative & support | 2015 |
| Education Supermarket Ltd | Professional & scientific | 2022 |
| Education Through Angling | Education | 2009 |
| Educational & Quality Laboratory Services (Blood Coagulation) Limited | Administrative & support | 1999 |
| Educational & Quality Laboratory Services (Blood Coagulation) EOT Limited | Financial services | 2025 |
| Educational Planners Limited | Extraterritorial | 1974 |
| Educators Limited | Information & communication | 2005 |
| Educators of London | Professional & scientific | 2009 |
| Edufreeafrica Ltd | Education | 2025 |
| Edukey Education Ltd | Information & communication | 2006 |
| Edumerit Consultants Limited | Professional & scientific | 2023 |
| Eduskills Training Ltd | Education | 2023 |