| EAT at Charts Limited | Hospitality | 2024 |
| Eatcetera Limited | Hospitality | 2002 |
| Eatons Deli Ltd | Hospitality | 2024 |
| Eatonsouth Ltd | Extraterritorial | 2014 |
| Eats Cafe Limited | Hospitality | 2012 |
| Eavecore Limited | Information & communication | 2025 |
| Eazzi Ltd | Manufacturing | 2005 |
| EB Strategic Talent Ltd | Professional & scientific | 2020 |
| EB Unlocked Ltd | Professional & scientific | 2024 |
| Ebchester Consulting Limited | Information & communication | 2015 |
| EBM Healthcare Ltd | Health & social care | 2019 |
| Ebna LLP | | 2022 |
| Ebon Abedin Ltd | Construction | 2024 |
| Eboucope Ltd | Manufacturing | 2022 |
| Ebuying Group Limited | Information & communication | 2012 |
| EC Lockyer Investment Co | Financial services | 2022 |
| ECC Holdco Limited | Financial services | 2020 |
| Eccolenka Ltd | Manufacturing | 2025 |
| Echelon Insignia Limited | Health & social care | 2019 |
| Echo - U Limited | Professional & scientific | 2001 |
| Echo 23 Limited | Professional & scientific | 2023 |
| Echo AM Limited | Administrative & support | 2016 |
| Echo Logistics (N.E.) Ltd | Transport & logistics | 2019 |
| Eclectic Coffee Roasters Limited | Manufacturing | 2021 |
| Eclipse (Batley) Ltd | Health & social care | 2013 |
| Eclipse Commercial Investments Limited | Real estate | 2018 |
| Eclipse Components Ltd | Wholesale & retail | 2013 |
| Eclipse Controls Ltd. | Professional & scientific | 2014 |
| Eclipse Cyber Ltd | Information & communication | 2026 |
| Eclipse Energy North Limited | Construction | 2017 |
| Eclipse FNA Limited | Real estate | 2025 |
| Eclipse Hmos Limited | Real estate | 2025 |
| Eclipse IA Limited | Real estate | 2025 |
| Eclipse Residential Investments Limited | Real estate | 2018 |
| Ecmm Limited | Wholesale & retail | 2002 |
| Eco Cleaners NE Ltd | Administrative & support | 2022 |
| Eco Energy Consultants Ltd | Professional & scientific | 2025 |
| Eco FIX UK Limited | Construction | 2018 |
| Eco Flow Tech Ltd | Construction | 2024 |
| Eco Trust Solutions Ltd | Wholesale & retail | 2019 |
| Eco Wise Heating Ltd | Construction | 2025 |
| ECO35 Ltd | Professional & scientific | 2023 |
| Ecoflix Media Limited | Information & communication | 2022 |
| Ecological Plastering Ltd | Construction | 2026 |
| Ecompute Limited | Information & communication | 2010 |
| Ecomputers Limited | Information & communication | 2005 |
| Ecor Pro Limited | Wholesale & retail | 2003 |
| Ecosource Ltd | Construction | 2025 |
| Ecotec Group Ltd | Information & communication | 2022 |
| Ecotech Renovation Company Ltd | Construction | 2019 |
| Ecotechx Limited | Professional & scientific | 2023 |
| Ecoteknica UK Limited | Professional & scientific | 2012 |
| Ecovert FM Limited | Extraterritorial | 2012 |
| Ecusol Ltd | Other services | 2010 |
| Ecusol Waste to Energy Holdings Ltd | Other services | 2021 |
| Ecusol Waste to Energy Limited | Construction | 2016 |
| ED.UK.8 Worldwide Limited | Education | 2001 |
| EDA Property North Limited | Real estate | 2025 |
| EDB Exclusives Ltd | Wholesale & retail | 2023 |
| Edcorp Software Limited | Information & communication | 2025 |
| EDD B Ltd | Wholesale & retail | 2003 |
| EDD Building Services Limited | Construction | 2025 |
| Eddleston Properties Limited | Real estate | 2021 |
| Eden 2 Pass Ltd | Education | 2021 |
| Eden Access Services Limited | Manufacturing | 2025 |
| Eden Destiny Property Ltd | Real estate | 2022 |
| Eden Grange (Peterlee) Management Company Limited | Households | 2014 |
| Eden Pharmacy & Healthcare Limited | Wholesale & retail | 2020 |
| Edenhill Healthcare Limited | Administrative & support | 2017 |
| Edgbaston Orthodontics Ltd | Health & social care | 2014 |
| Edge Digital Solutions Ltd | Information & communication | 2018 |
| Edge Properties Group Ltd | Real estate | 2025 |
| Edgeman Limited | Hospitality | 1999 |
| Edges Pizza Ltd | Hospitality | 2025 |
| Edgewood Engineering Limited | Professional & scientific | 2023 |
| Edi&Alex Ltd | Transport & logistics | 2025 |
| Editpower Limited | | 1986 |
| EDM Zone Limited | Professional & scientific | 2012 |
| Edone Group Ltd | Education | 2026 |
| EDP Associates North Limited | Professional & scientific | 2025 |
| Edsel Constructions Ltd | Construction | 2025 |
| Educamed Ltd | Wholesale & retail | 2012 |
| Educating Edward Ltd | Professional & scientific | 2021 |
| Educating Minds CIC | Education | 2025 |
| Education and Case Management Services Ltd | Education | 2017 |
| Education and Training Services (U K) Limited | Education | 2004 |
| Education Investments Holdings Limited | Professional & scientific | 2009 |
| EDUCATION4DEMOCRACY CIC | Education | 2015 |
| Educover UK (NE) Ltd | Administrative & support | 2014 |
| Eduje Essentials Limited | Wholesale & retail | 2024 |
| EDUK8'N'PLAY Limited | Wholesale & retail | 2018 |
| Edullions Limited | Wholesale & retail | 2015 |
| Edusurg Ltd | Education | 2012 |
| Edward Foods Limited | Hospitality | 2018 |
| Edward Skinner Limited | Information & communication | 2003 |
| Edward Thompson (International) Limited | Professional & scientific | 2014 |
| Edwards Commercial Cleaning (North) Limited | Administrative & support | 2013 |
| Edwards Commercial Cleaning Services Ltd | Administrative & support | 2003 |
| Edwards Pharma Services Ltd | Professional & scientific | 2020 |
| Edwins Emporium Limited | Wholesale & retail | 2016 |