| Eligio Limited | Information & communication | 2025 |
| Elion Transport Ltd | Transport & logistics | 2021 |
| Elione Roots Ltd | Wholesale & retail | 2025 |
| Elise Care Agency Limited | Health & social care | 2022 |
| Elite Dance Centre Limited | Other services | 2015 |
| Elite Eco Services Limited | Administrative & support | 2021 |
| Elite Electrical (U.K) Limited | Other services | 2018 |
| Elite Garden Designs Ltd | Construction | 2026 |
| Elite Guarding Services Limited | Administrative & support | 2019 |
| Elite Healthcare London Ltd | Health & social care | 2022 |
| Elite Merchandising Ltd | Professional & scientific | 2026 |
| Elite Monitoring Services Limited | Administrative & support | 2020 |
| Elite Spraying Projects Limited | Manufacturing | 2025 |
| Elite Surface Repair Ltd | Manufacturing | 2019 |
| Elite Truck & Trailer Repairs Ltd | Wholesale & retail | 1990 |
| Elite-Modern Property Group Limited | Real estate | 2023 |
| Eliteease Ltd | Other services | 2024 |
| Elitenet Limited | Construction | 2003 |
| Elizabeth Earl Property Ltd | Real estate | 2024 |
| Elizabeth Louise Academy Ltd | Other services | 2014 |
| Elizabeth Louise Beauty Ltd | Other services | 2009 |
| Elizabeth Louise Limited | Other services | 2001 |
| ELJ Trading Limited | Professional & scientific | 2025 |
| ELK Thermal Services Limited | Construction | 2026 |
| Ella Estates Limited | Real estate | 2013 |
| Elle Media Group Limited | Manufacturing | 1982 |
| Eller Creations Limited | Manufacturing | 2012 |
| Elliot Clarke Brands Limited | Wholesale & retail | 2025 |
| Elliott Landscapes Limited | Administrative & support | 2021 |
| Ellis Building Services Limited | Construction | 2017 |
| Ellis Electrical Solutions Limited | Construction | 2025 |
| ELM Lodge Contracts Limited | Construction | 1998 |
| Elmark Limited | Construction | 2020 |
| Elmhenge Limited | Real estate | 1987 |
| Elmhope CIC | Professional & scientific | 2025 |
| Elmpark Electrical Ltd | Construction | 2015 |
| Elohim Ventures Limited | Real estate | 2026 |
| Eloken Image Ltd | Health & social care | 2025 |
| Elpa Catering Limited | Extraterritorial | 2016 |
| Elshek Associates Ltd | Information & communication | 2013 |
| Elstad Nexgen Ltd | Information & communication | 2016 |
| Elstree Funding NO.3 PLC | Financial services | 2022 |
| Eltekon Traders Academy Ltd | Education | 2020 |
| Elvidge Environmental Solutions Limited | Administrative & support | 2007 |
| ELVINAS1 Limited | Extraterritorial | 2023 |
| Elvis Components (Essex) Limited | Administrative & support | 2018 |
| Elvis Components (UK) Limited | Administrative & support | 2008 |
| ELW Investment Property Ltd | Real estate | 2023 |
| ELY Cakes Limited | Manufacturing | 2021 |
| Elysium JMC Ltd | Real estate | 2023 |
| Em-Em Enterprises Ltd | Health & social care | 2026 |
| Emadel Consulting Ltd | Hospitality | 2011 |
| Emarestate Ltd | Real estate | 2026 |
| EMB Properties Limited | Real estate | 2018 |
| Embark on RAW Limited | Manufacturing | 2014 |
| Embassy Freight Services (UK) Limited | Transport & logistics | 1994 |
| Embrace Sound Limited | Health & social care | 2025 |
| Emelux Limited | Other services | 2018 |
| Emerald Tech UK Ltd | Professional & scientific | 2019 |
| Emergency Services Ltd | Professional & scientific | 2023 |
| Emerson Fabrications Limited | Manufacturing | 2020 |
| Emerson Installations Limited | Construction | 2008 |
| Emerson Interiors Ltd | Manufacturing | 2005 |
| Emerson’S Estates Limited | Real estate | 2018 |
| Emin BEY 27 Ltd | Other services | 2024 |
| EMJ Asset Management Limited | Real estate | 2025 |
| Emlex Projects Ltd | Other services | 2018 |
| Emma Ellis Wellness Limited | Other services | 2025 |
| Emma Lindsey Voice Limited | Arts & recreation | 2011 |
| Emma Property Investments Limited | Real estate | 2021 |
| Emmalie Estates Limited | Real estate | 2024 |
| Emmas Professional Cleaners Ltd | Administrative & support | 2026 |
| Emotii Ltd | Information & communication | 2022 |
| Emperium Enterprise Ltd | Construction | 2021 |
| Empire Assets Ltd | Financial services | 2014 |
| Empire Suite Limited | Real estate | 2018 |
| Empirical ARQ Consulting Ltd | Information & communication | 2022 |
| Empirical Care Ltd | Health & social care | 2022 |
| Empowerment Living Services Limited | Health & social care | 2026 |
| Empress Coaches 1923 Limited | Transport & logistics | 2017 |
| EN Dash Creative Ltd | Professional & scientific | 2024 |
| Encap Thermoplastics Ltd. | Manufacturing | 2004 |
| Enclar Ltd | Wholesale & retail | 2024 |
| Endeavour (UK) Limited | Administrative & support | 2011 |
| Endobloom Wellness Ltd | Manufacturing | 2025 |
| Endorsa Ltd | Administrative & support | 2026 |
| Enelysam Healthcare Ltd | Health & social care | 2021 |
| Enem Group Ltd. | Other services | 2019 |
| Energi Cable Services Trustees Limited | Professional & scientific | 2022 |
| Energon Ltd | Manufacturing | 2023 |
| Energy Efficient Homes (Essex) Ltd | Wholesale & retail | 2023 |
| Energy Rated Window Solutions Ltd | Construction | 2012 |
| Enerva Limited | Manufacturing | 2006 |
| Engyne Ltd | Administrative & support | 2025 |
| Enhance ME at the Glambox Limited | Other services | 2018 |
| Enitos Limited | Administrative & support | 2020 |
| Enovino Limited | Professional & scientific | 2025 |
| Enrich Caring Limited | Administrative & support | 2024 |
| Enspirit Global Limited | Administrative & support | 2021 |
| Enterprise Adhesives & Chemicals Limited | Manufacturing | 1987 |