| Elizabeth K Hair & Beauty Ltd | Other services | 2019 |
| ELJ Ltd | Construction | 2011 |
| ELK Adhd & Beyond Ltd | Health & social care | 2025 |
| Elk.Rigging Ltd | Administrative & support | 2024 |
| Elksian Securities Limited | Real estate | 1956 |
| Ellaglobalfoods Ltd | Wholesale & retail | 2025 |
| Ellarose Developments Limited | Construction | 2020 |
| Elldover Limited | | 1977 |
| Elle Sadler Hair Ltd | Other services | 2023 |
| Ellemire Limited | Health & social care | 2020 |
| Ellen Elizabeth Aesthetics Limited | Other services | 2021 |
| Ellerate Ltd | Information & communication | 2025 |
| Ellies Farm Shop Ltd | Wholesale & retail | 2025 |
| Elliot Medical Services Limited | Health & social care | 2018 |
| Elliott Brothers (Builders Merchants) Limited | Wholesale & retail | 1901 |
| Elliott Brothers Limited | Wholesale & retail | 1990 |
| Elliott Consulting Co. Ltd | Professional & scientific | 2026 |
| Elliott Exton Ltd | Administrative & support | 2023 |
| Elliott&Cole Property Ltd | Real estate | 2021 |
| Elliotts Accountants Ltd | Professional & scientific | 2024 |
| Elliotts Estate Agents Limited | Real estate | 2011 |
| Elliotts Premier Roofing Limited | Construction | 1986 |
| Ellonies Events Limited | Hospitality | 2026 |
| Ellonies Limited | Hospitality | 2025 |
| ELM Close Residents (Southampton) Limited | Households | 2004 |
| ELM Court Limited | Households | 1989 |
| ELM Road (Winchester) Limited | Households | 1998 |
| Elmar Building & Driveways Limited | Construction | 2012 |
| Elmbrook Mews Management Company (Cheam) Limited | Households | 1988 |
| Elmers Court (Founder Member) Limited | Real estate | 2026 |
| Elmers Court Limited | Hospitality | 2025 |
| Elmfield Leasehold Ltd | Real estate | 2020 |
| Elmgreen Properties Limited | Real estate | 2007 |
| Elmsleigh Consulting Limited | Information & communication | 2021 |
| Elmsleigh Court (Southampton) Management Company Limited | Households | 1987 |
| Elmtree Signs Limited | Professional & scientific | 2012 |
| Eloquence Autocue Ltd | Information & communication | 2024 |
| Elrmo Ltd | Health & social care | 2021 |
| ELS Transport Limited | Transport & logistics | 2024 |
| Elsabel Cakes Limited | Wholesale & retail | 2022 |
| Elsewhere Property Management Limited | Households | 2013 |
| Elshaddai Technology Services Ltd | Information & communication | 2022 |
| Elsimo Recruitment Ltd | Administrative & support | 2021 |
| Elst Ltd | Real estate | 2024 |
| ELT Consulting (UK) Ltd | Real estate | 2023 |
| Eltech W Ltd | Construction | 2019 |
| Eltm Consultancy Services Ltd | Information & communication | 2016 |
| Eltob Holdings Limited | Financial services | 2026 |
| Elusion Group Ltd | Arts & recreation | 2015 |
| Elvani & Co Limited | Professional & scientific | 2017 |
| Elver Court Management Limited | Households | 1983 |
| Elvheth Tech Limited | Information & communication | 2025 |
| Elvstrom Sails UK Limited | Manufacturing | 1973 |
| Elysia.Ai Ltd | Professional & scientific | 2025 |
| Elysianisland Equities Limited | Professional & scientific | 2019 |
| Elysium Construction Services Ltd | Construction | 2024 |
| EM Dickson Limited | Professional & scientific | 2023 |
| EMA Property Limited | Real estate | 2020 |
| Emanto Ltd | Real estate | 2018 |
| Emary Consulting Ltd | Professional & scientific | 2026 |
| EMB Alliance Ltd | Professional & scientific | 2023 |
| Embankment Restaurants Limited | Administrative & support | 2011 |
| Embecosm Limited | Information & communication | 2008 |
| Embedded Intelligence Limited | Information & communication | 2024 |
| Emberleigh Ltd | Information & communication | 2015 |
| Emberline Limited | Information & communication | 2026 |
| Embers Production Limited | Information & communication | 2021 |
| Embers Social and Emotional Development Limited | Education | 2021 |
| Embley Asset Management Limited | Real estate | 2022 |
| Embley Investments Ltd | Financial services | 2016 |
| Embley Management Ltd | Real estate | 2023 |
| Emerald Accounting Limited | Professional & scientific | 2022 |
| Emerald Electric Gates Limited | Administrative & support | 2018 |
| Emerald Elite Limited | Wholesale & retail | 2024 |
| Emerald NSR Ltd | Hospitality | 2025 |
| Emerchantpay Group Intermediate Holdings Limited | Financial services | 2024 |
| Emergency Plumbing 247 Ltd | Construction | 2025 |
| Emergency Plumbing and Drainage Ltd | Construction | 2026 |
| Emerson James Estates Ltd | Real estate | 2024 |
| Emet Financial Ltd | Professional & scientific | 2026 |
| EMF Neif I (NO.1) L.P. | | 2012 |
| EMF Neif I (NO.2) L.P. | | 2012 |
| EMI Business Consultancy Ltd | Professional & scientific | 2022 |
| EMI Dent Limited | Administrative & support | 2014 |
| Emilly Ltd | Transport & logistics | 2019 |
| Emily Petter Ltd | Professional & scientific | 2026 |
| Emily Randell Coaching Ltd | Education | 2024 |
| Emilybrooke 2 Limited | Extraterritorial | 2015 |
| Emirates Petroleum London Ltd | Wholesale & retail | 2018 |
| Emirati Ltd | Real estate | 2026 |
| Emissario Media Ltd | Professional & scientific | 2021 |
| Emit Heat Limited | Construction | 2023 |
| Emjay Accounts Ltd | Professional & scientific | 2022 |
| Emjay Logistics Ltd | Transport & logistics | 2026 |
| Emkan Global Marine & Logistic Services Limited | Transport & logistics | 2014 |
| EML Property Maintenance Ltd | Other services | 2008 |
| Emma Catt Wellness Ltd | Health & social care | 2023 |
| Emma Court Limited | Real estate | 2012 |
| Emma Jane Eldridge Limited | Hospitality | 2025 |
| Emma Maguire Psychology Ltd | Health & social care | 2022 |