| Emerse Group Limited | Professional & scientific | 2017 |
| Emerson House Residents RTM Management Company Limited | Households | 2008 |
| Emhab Limited | Real estate | 2021 |
| Emil Thomas Limited | Financial services | 2022 |
| Eminence Consulting Limited | Administrative & support | 2016 |
| Eminently Care Recruitment Ltd | Administrative & support | 2024 |
| Emini Apparel Ltd | Manufacturing | 2026 |
| Emjon Construction Ltd. | Construction | 2007 |
| Emkay Media Management Limited | Professional & scientific | 2025 |
| Emlak Investments Limited | Real estate | 2021 |
| Emmanuel Alban Limited | Wholesale & retail | 2018 |
| Emmanuel Christian Broadcasting Network | Other services | 2011 |
| Emmanuel Jones Ltd | Manufacturing | 2020 |
| Emmett Shirts Limited | Wholesale & retail | 2001 |
| Emmett Shirts London Limited | Real estate | 2024 |
| EMO Associates Ltd | Professional & scientific | 2024 |
| Emoji Online Limited | Wholesale & retail | 2025 |
| Employ Right Ltd | Administrative & support | 2003 |
| Emporium Seven Limited | Wholesale & retail | 2010 |
| Empowerment Trade Limited | Wholesale & retail | 2021 |
| Empowher HF Limited | Other services | 2025 |
| Empro Consultancy Ltd | Professional & scientific | 2023 |
| Empro Properties Ltd | Real estate | 2022 |
| EMS Electrical Supplies Limited | Wholesale & retail | 2025 |
| EMS Energy Limited | Construction | 2011 |
| EMS UK Plant Hire Limited | Construction | 2026 |
| Emss Repairs Limited | Wholesale & retail | 2025 |
| EMW South East Limited | Professional & scientific | 2008 |
| EMX Trading Limited | Wholesale & retail | 2023 |
| Enabling Healthcare Ltd | Professional & scientific | 2013 |
| Enabling Word Ministries | Other services | 2018 |
| Enar AI Ltd | Professional & scientific | 2023 |
| Enchanted Creations Ltd | Professional & scientific | 2019 |
| Enderfield (Tenants Association) Limited | Real estate | 1967 |
| Endica Ltd | Education | 2025 |
| Endive International Limited | Wholesale & retail | 2023 |
| Endocomp Ltd | Health & social care | 2018 |
| Endosurge Limited | Health & social care | 2006 |
| Endsleigh Building Services Limited | Construction | 1999 |
| Endsleigh Mansions Management Limited | Households | 1973 |
| Endy Ltd | Extraterritorial | 2024 |
| Energy Strategy Intl Ltd | Professional & scientific | 2021 |
| Enexem Ltd | Information & communication | 2020 |
| Enfield Carpentry Limited | Construction | 2010 |
| Engage Video Group Limited | Information & communication | 2025 |
| Engaging Value Propositions Limited | Professional & scientific | 2011 |
| Englefield Residents Association Limited | Households | 1988 |
| Engliture Limited | Education | 2021 |
| Enhance Talent Ltd | Administrative & support | 2020 |
| Enhancis Group Limited | Construction | 2026 |
| Enitenre UK Holdings Limited | Real estate | 2024 |
| Eniti Limited | Other services | 1992 |
| ENJ Investments Limited | Hospitality | 2025 |
| Enkh Consulting Ltd | Professional & scientific | 2024 |
| Enlightened House Limited | Information & communication | 2025 |
| Enox Glass Ltd | Construction | 2025 |
| Enrapt Stories Ltd | Information & communication | 2026 |
| Enriched Lives Limited | Administrative & support | 2023 |
| Entellus Holdings Limited | Financial services | 2022 |
| Enterprise Solutions (England) Limited | Professional & scientific | 1995 |
| Entire Property Solutions Limited | Real estate | 2024 |
| Entire Surface Solutions Limited | Construction | 2011 |
| Entity Data Ltd | Professional & scientific | 2026 |
| Enver Digital Limited | Information & communication | 2019 |
| Enviroaircon NM Ltd | Construction | 2022 |
| Envisage Maths Limited | Education | 2018 |
| Envision Consulting Services UK Limited | Real estate | 2019 |
| Enztoke Limited | Public administration | 2024 |
| Eo-Uk Ltd | Other services | 2004 |
| Eoac Capital Ltd | Financial services | 2013 |
| EOD London Limited | Wholesale & retail | 2024 |
| EOK Group Limited | Real estate | 2022 |
| EPC Choice Limited | Professional & scientific | 2012 |
| Epic Ventures Limited | Transport & logistics | 2024 |
| Epicho Developments Ltd | Construction | 2018 |
| Epicho Holdings Ltd | Construction | 2018 |
| Epicho Investments Ltd | Real estate | 2019 |
| Epiclife Ltd | Information & communication | 2020 |
| EPP Consultants Ltd | Information & communication | 2019 |
| EPS London Ltd | Wholesale & retail | 2017 |
| EQ Consulting Ltd | Professional & scientific | 2026 |
| EQ Search Ltd | Administrative & support | 2023 |
| Equal Kicks Limited | Professional & scientific | 2022 |
| Equinox Build Company Ltd | Construction | 2026 |
| Equinox Curtains & Blinds Ltd | Construction | 2023 |
| Equip Training Associates Ltd | Education | 2014 |
| Equipolia Roma Limited | Wholesale & retail | 2024 |
| Equitable Coaching Foundation CIC | Professional & scientific | 2024 |
| Equity Investments Caroline Ltd | Other services | 2020 |
| Equity Square RTM Company Ltd | Households | 2023 |
| ER Longley Hydroworks LLP | | 2016 |
| Er-Roz Ltd | Hospitality | 2025 |
| ERA UK Group Limited | Professional & scientific | 2018 |
| Erae Aesthetics Ltd | Other services | 2025 |
| Erba Group Ltd | Construction | 2025 |
| Erbay Properties Limited | Extraterritorial | 2021 |
| Eregames Ltd | Wholesale & retail | 2025 |
| Erith Model Railway Society C.I.C. | Other services | 2025 |
| Ernest Corp Ltd | Real estate | 2020 |
| Ernest&Co Ltd | Real estate | 2019 |