| Elmward Limited | Professional & scientific | 1990 |
| Elocinic Ltd | Real estate | 2023 |
| Elohim Healthcare Limited | Health & social care | 2012 |
| Eloquent Solutions Ltd | Real estate | 2006 |
| ELS Renovation Ltd | Construction | 2024 |
| Elsey Brand Ltd | Manufacturing | 2024 |
| Elsey Holdings Ltd | Financial services | 2025 |
| Elsey Investments Ltd | Real estate | 2026 |
| Elshalamony Fruit and VEG Ltd | Wholesale & retail | 2026 |
| Elsmasho Limited | Hospitality | 2026 |
| Elsushko Ltd | Professional & scientific | 2018 |
| Eltek Systems Limited | Manufacturing | 1983 |
| Elton Care Limited | Health & social care | 2022 |
| Elton Cars Ltd | Wholesale & retail | 2015 |
| Elton Enterprises LLP | | 2018 |
| Elton Furze Limited | Arts & recreation | 2023 |
| Elton Homes Limited | Construction | 1999 |
| ELU Transport Limited | Transport & logistics | 2016 |
| Elyon Property Ltd | Real estate | 2023 |
| Elysium Publishing Limited | Information & communication | 2002 |
| Elyte IT Limited | Information & communication | 2025 |
| Elywelch Consulting Limited | Information & communication | 2020 |
| EM Business Limited | Information & communication | 2024 |
| EM J Brand Limited | Other services | 2020 |
| EM Leadership Limited | Professional & scientific | 2026 |
| EM Manufacturing Limited | Manufacturing | 2001 |
| EM Shaped Services Limited | Health & social care | 2025 |
| EMA Smart Phones Ltd | Wholesale & retail | 2025 |
| Emade Group Limited | Information & communication | 2024 |
| Emaniz Ltd | Wholesale & retail | 2024 |
| Emanuel I Limited | Professional & scientific | 2015 |
| Emanuel Motors Limited | Wholesale & retail | 2021 |
| Ember Exchange Ltd | Information & communication | 2025 |
| Embr Global Ltd | Health & social care | 2025 |
| Embrace Limited | Health & social care | 2018 |
| Emcland Ltd | Professional & scientific | 2018 |
| Emec Design & Consultancy Limited | Administrative & support | 2012 |
| Emerald Clinical Research Ltd | Professional & scientific | 2019 |
| Emerald Hair & Beauty Ltd | Wholesale & retail | 2021 |
| Emerald Hope Holdings Limited | Financial services | 2021 |
| Emerald Hope Limited | Real estate | 2017 |
| Emerald Hope Properties Limited | Real estate | 2021 |
| Emere Limited | Wholesale & retail | 2025 |
| Emergency Dent Ltd | Information & communication | 2021 |
| Emergency Glazing Essex Ltd | Construction | 2026 |
| Emergency Medicine and Critical Care Courses Ltd | Education | 2025 |
| Emergi-Safe Ltd | Professional & scientific | 2023 |
| Emerita Consulting Ltd | Professional & scientific | 2020 |
| Emery Property Ltd | Real estate | 2018 |
| Emes Trans Ltd | Transport & logistics | 2018 |
| Emet Financial Advisors Limited | Financial services | 2003 |
| Emetor Property Solutions Ltd | Real estate | 2025 |
| Emgsa Services Limited | Health & social care | 2024 |
| Emiann Property Investments Limited | Real estate | 2023 |
| Emihad Limited | Financial services | 2025 |
| Emilio Hair Design (Peterborough) Limited | Other services | 2018 |
| Emily Armstrong Education Limited | Administrative & support | 2023 |
| EML Electrical Contractors Limited | Energy | 2022 |
| Emma Hardie Limited | Wholesale & retail | 2005 |
| Emma Norris Hypnotherapy Limited | Health & social care | 2020 |
| Emma Wilson Brand & Marketing Limited | Professional & scientific | 2025 |
| Emmacy Limited | Administrative & support | 2021 |
| Emmanuel Childminder and Consultancy Limited | Health & social care | 2018 |
| Emmanuelmakadani Limited | Other services | 2014 |
| Emmasofi Ltd | Transport & logistics | 2026 |
| Emperor Global Limited | Extraterritorial | 2016 |
| Empire Brickwork Contractors Limited | Construction | 2016 |
| Empire Cuts 1 Ltd | Other services | 2024 |
| Empire Gyms Limited | Extraterritorial | 2013 |
| Empire Maintenance Services (UK) Limited | Administrative & support | 2011 |
| Employee Risk Ltd | Information & communication | 2008 |
| Employment Line Ltd | Administrative & support | 2022 |
| Emporify Global Ltd | Wholesale & retail | 2024 |
| Empower and Evolve Limited | Public administration | 2017 |
| Empower Living Healthcare Ltd | Administrative & support | 2025 |
| Empower Psychology Ltd | Education | 2025 |
| Empowertotransform Lives.Org CIC | Information & communication | 2023 |
| Empress Aesthetic by Justyna Ltd | Other services | 2025 |
| Empress Postprint Limited | Administrative & support | 2012 |
| Empsy Limited | Health & social care | 2004 |
| EMR Engineering Ltd | Professional & scientific | 2020 |
| Emrg Ltd | Real estate | 2019 |
| Emrich Services Limited | Transport & logistics | 2023 |
| Emroll Limited | Wholesale & retail | 2024 |
| EMS Impulse Ltd | Wholesale & retail | 2021 |
| EMS Pro Training Ltd | Arts & recreation | 2023 |
| Emtel Telecoms Ltd | Construction | 2024 |
| EMU Homes Ltd | Real estate | 2019 |
| Emung Group Limited | Health & social care | 2018 |
| EN Tout CAS Tennis Courts Ltd | Construction | 2001 |
| En-Rich Carpets Ltd | Wholesale & retail | 2017 |
| Enaic Ltd | Information & communication | 2021 |
| Enbe Limited | Professional & scientific | 2004 |
| Encalife Ltd | Wholesale & retail | 2024 |
| Encasement Installation Limited | Construction | 2020 |
| Encompass AG Ltd | Other services | 2019 |
| Encore Wheels & Parts Co. Ltd | Wholesale & retail | 2025 |
| END Ordinary EBT Limited | Administrative & support | 2020 |
| END Ordinary Group Limited | Administrative & support | 2015 |
| Endby Ltd | Health & social care | 2022 |