| Efrbs NO 2 Investments Limited | Administrative & support | 2009 |
| EFS Recruitment Ltd | Administrative & support | 2020 |
| Egbert Ltd | Wholesale & retail | 2023 |
| Eggleton Building Company Limited | Construction | 2016 |
| Egobe Consulting Ltd | Information & communication | 2025 |
| Egst Consulting Limited | Professional & scientific | 2011 |
| Eidya Limited | Hospitality | 2017 |
| Eira Investments Limited | Financial services | 2020 |
| EJ Flooring Limited | Construction | 2018 |
| EJ Vision Limited | Administrative & support | 2009 |
| Ejan Ltd | Wholesale & retail | 2021 |
| EJJ Business Services Ltd. | Professional & scientific | 2023 |
| EJS Plumbing Limited | Construction | 2012 |
| EKA Martial Arts Academy Limited | Arts & recreation | 2022 |
| Ekhlas Baddow Road Limited | Real estate | 2022 |
| Ekhlas Housing Limited | Real estate | 2022 |
| Ekhlas Kenyon Street Limited | Real estate | 2023 |
| Eknowvate Limited | Professional & scientific | 2016 |
| Ekwunat Care UK Limited | Health & social care | 2021 |
| EL Dezza Limited | Wholesale & retail | 2019 |
| EL Maestro Ltd | Hospitality | 2025 |
| EL Sparkle Limited | Administrative & support | 2021 |
| ELA (European Loyalty Association) Ltd | Information & communication | 2024 |
| Elahi Limited | Real estate | 2014 |
| Elakiya Bennoshan Ltd | Education | 2025 |
| Ela’S Barber Shop Ltd | Other services | 2024 |
| Elbac Limited | Construction | 1993 |
| Elco Cleaning Services Limited | Administrative & support | 2024 |
| Elcomemedia Ltd | Information & communication | 2025 |
| Elderbek Homes Limited | Construction | 2022 |
| Eldo Best Homes Ltd | Construction | 2025 |
| Eldo Limited | Manufacturing | 2024 |
| Electra House Holdings Limited | Administrative & support | 2019 |
| Electra House Properties Limited | Real estate | 1946 |
| Electric LDN Limited | Information & communication | 2019 |
| Electrical and Security Consultancy Services Limited | Administrative & support | 2017 |
| Electrical Solutions Group Ltd | Construction | 2017 |
| Electronic Systems Innovation Ltd. | Information & communication | 2014 |
| Eleftheria BTL Ltd | Real estate | 2025 |
| Elegance Florists Limited | Wholesale & retail | 2025 |
| Element Groundwork Limited | Construction | 2020 |
| Elementa Sports Group Limited | Arts & recreation | 2023 |
| Elephant Road Studio Limited | Administrative & support | 2015 |
| Elesita Limited | Administrative & support | 2019 |
| ELEV8 Sports Coaching Limited | Education | 2024 |
| Elevate Capital Investments Limited | Real estate | 2026 |
| Elgb Limited | Construction | 2021 |
| ELH Studio Limited | Information & communication | 2024 |
| Elibel Limited | Information & communication | 2009 |
| Elibel Properties Ltd | Real estate | 2020 |
| Elif Ltd | Hospitality | 2018 |
| Elisabeth Shackleton Ltd | Wholesale & retail | 2025 |
| Elisha's Floral Design Ltd | Wholesale & retail | 2025 |
| Elite Advisors Academy Ltd | Education | 2025 |
| Elite Builder Group Ltd | Construction | 2024 |
| Elite Business Solutions Ltd | Hospitality | 2025 |
| Elite Cycling Holidays (Spain) Ltd | Arts & recreation | 2019 |
| Elite Electrics (Essex) Ltd | Construction | 2016 |
| Elite Essex Landscapes Ltd | Professional & scientific | 2025 |
| Elite Extrusion Ltd | Manufacturing | 2017 |
| Elite Guarding and Response Ltd | Administrative & support | 2025 |
| Elite Hospitality Assessment Professionals Limited | Administrative & support | 2016 |
| Elite Insulations Limited | Construction | 2013 |
| Elite Property Acquisitions Ltd | Real estate | 2023 |
| Elite Property and Financial Services Ltd | Real estate | 2025 |
| Elite Scape Ltd | Administrative & support | 2021 |
| Elite Solutions Plumbing & Heating Ltd | Construction | 2025 |
| Elite Tickets Limited | Other services | 2000 |
| Elite Voids Limited | Construction | 2023 |
| Elitegrange Limited | Households | 1988 |
| ELL Consultancy Limited | Professional & scientific | 2023 |
| Ella's Nails Chelmsford Ltd | Other services | 2025 |
| Elle Creative Limited | Extraterritorial | 2011 |
| Elle Creative Media Limited | Extraterritorial | 2012 |
| Elle Media Limited | Extraterritorial | 2014 |
| Ellex Holdings Limited | Financial services | 2022 |
| Ellgasandheatingltd Ltd | Construction | 2024 |
| Elliott Controls Engineering Limited | Energy | 2018 |
| Elliott Trading Group Limited | Financial services | 2026 |
| Ellis Media Ltd | Administrative & support | 2011 |
| Ellomoto Limited | Wholesale & retail | 2005 |
| Ellvid Limited | Hospitality | 2021 |
| ELM House Vets Limited | Professional & scientific | 2025 |
| ELM Park Road Management Association RTM Company Limited | Households | 2006 |
| Elms Gardens Ltd | Real estate | 2020 |
| Elmstead Energy Assessments & Building Services Limited | Professional & scientific | 2018 |
| Elmwood Pre-School Community Interest Company | Education | 2010 |
| Elnari Limited | Administrative & support | 2025 |
| Eloix Imaging Limited | Health & social care | 2023 |
| Eloquence: Psychological Services Ltd | Health & social care | 2017 |
| Elowes Limited | Manufacturing | 2015 |
| Elsie's Help at Home Limited | Health & social care | 2022 |
| Eltonvale Limited | Financial services | 1989 |
| Eltringham Ltd | Information & communication | 2007 |
| Elvarya Ltd | Wholesale & retail | 2026 |
| Elwell Properties Limited | Real estate | 2020 |
| Elysium Court (Hornchurch) Residents Association Limited | Households | 2004 |
| EM Nine Limited | Financial services | 2017 |
| EM3 Kids Club Limited | Health & social care | 2013 |
| Emarby Consulting Limited | Professional & scientific | 2003 |