| Electrical Team Ltd | Construction | 2013 |
| Elegant Awakening Limited | Administrative & support | 2025 |
| Elegant Homes Direct Limited | Wholesale & retail | 2008 |
| Elena's Kitchen Ltd | Hospitality | 2023 |
| Eleo Connects Ltd | Other services | 2023 |
| Elevare Services Limited | Administrative & support | 2026 |
| Elevate-Ed Limited | Professional & scientific | 2024 |
| Elevation Kidz Ltd | Education | 2023 |
| Elisa's Wedding Style Limited | Other services | 2023 |
| Elisang Ltd | Administrative & support | 2012 |
| Elite Chewton Limited | Construction | 2023 |
| Elite Cover Supply Ltd | Education | 2025 |
| Elite Digital Consultants Ltd | Information & communication | 2025 |
| Elite Engineers Recruitment Limited | Administrative & support | 2025 |
| Elite Homes Radlett Limited | Construction | 2022 |
| Elite Property Maintenance Limited | Construction | 2002 |
| Elitecare DRY Cleaning Limited | Other services | 2025 |
| Elizabeth Consultants Limited | Professional & scientific | 2012 |
| Elkla Transport Ltd | Transport & logistics | 2021 |
| Ellerbeck Limited | Construction | 1999 |
| Ellian AB Construction Ltd | Construction | 2023 |
| Ellie's Executive Cleaning Ltd | Administrative & support | 2022 |
| Elliot Ryan Ltd | Professional & scientific | 2011 |
| Ellis Dental Laboratory Ltd | Health & social care | 2025 |
| Ellora Estates Ltd | Real estate | 2020 |
| ELM Family Shop Ltd | Wholesale & retail | 2023 |
| ELM Haoz Ltd | Real estate | 2023 |
| ELM Park Academy and Community Hub Limited | Professional & scientific | 2022 |
| ELM Park Associates Ltd | Construction | 2023 |
| ELM Park Catering Limited | Hospitality | 2017 |
| ELM Park Cleaning Ltd | Administrative & support | 2023 |
| ELM Park Florists Ltd. | Agriculture & fishing | 2009 |
| ELM Park Restring Ltd | Arts & recreation | 2024 |
| ELM Park Tuition Centre Limited | Education | 2012 |
| ELM Psychology Ltd | Health & social care | 2017 |
| ELM Site Energy Services Ltd | Construction | 2020 |
| ELM Site Services (Employment Agency) Limited | Construction | 2007 |
| ELM Site Services (Hire) Limited | Construction | 2007 |
| ELM Site Services (UK) Limited | Construction | 2007 |
| ELM Site Services Limited | Construction | 2004 |
| Elmdene Properties Limited | Real estate | 2023 |
| Elmpark Discount Store Ltd | Wholesale & retail | 2024 |
| Eloquent Systems Limited | Information & communication | 2001 |
| Eloquently Chauffeured Ltd | Transport & logistics | 2017 |
| Elshadai Medical Limited | Health & social care | 2022 |
| Elysian Letting Limited | Real estate | 2025 |
| Elysium XV Limited | Arts & recreation | 2024 |
| EM AESTHETICS7 Ltd | Health & social care | 2024 |
| EM Build Ltd | Construction | 2015 |
| EM Business Solutions Ltd | Information & communication | 2025 |
| EM JAN Limited | Wholesale & retail | 2024 |
| EM SI Property Ltd | Real estate | 2026 |
| Ema's Aesthetics Ltd | Other services | 2026 |
| Emax Construction Ltd | Construction | 2023 |
| Emax House Ltd | Real estate | 2021 |
| EMD Air Conditioning Ltd | Construction | 2019 |
| EMD Solutions Ltd | Manufacturing | 2014 |
| Emdee Holdings UK Ltd | Other services | 2018 |
| Emdr Harley Street Limited | Health & social care | 2026 |
| Emelisse Consultancy Limited | Administrative & support | 2012 |
| Emergency Phone Repair Limited | Other services | 2023 |
| Emergency Tyre Solutions Ltd | Wholesale & retail | 2026 |
| Emerson Electrical Ltd | Construction | 2003 |
| Emerson Luxe Build Ltd | Construction | 2025 |
| Emerson Park Academy | Education | 2011 |
| Emerson Turner Group Limited | Administrative & support | 2019 |
| Emerton Light Haulage Ltd | Transport & logistics | 2026 |
| Emespe Limited | Real estate | 2020 |
| Emiscan Limited | Real estate | 2016 |
| Emjays Webstore Limited | Wholesale & retail | 2012 |
| Emjey Global Ltd | Information & communication | 2025 |
| Emma Tingling Investments Limited | Real estate | 2020 |
| Emma Tingling Limited | Other services | 2014 |
| Emmaus Technologies Limited | Information & communication | 2013 |
| Empire Consultancy Group Limited | Professional & scientific | 2026 |
| Empire Works (PD) Limited | Real estate | 2021 |
| Empire Works (PH) Limited | Administrative & support | 2021 |
| Empower Sync Ltd | Information & communication | 2019 |
| EMS for Kids (UK) Limited | Manufacturing | 2014 |
| EMU 24 Limited | Wholesale & retail | 2008 |
| Enable Services Ltd | Health & social care | 2018 |
| Enamel Elegance Ltd | Health & social care | 2025 |
| END Accountancy and Tax Consultancy Limited | Professional & scientific | 2017 |
| Endermospa (UK) Ltd | Other services | 2017 |
| Energy Rich Ltd | Administrative & support | 2022 |
| Engel Capital Limited | Information & communication | 2013 |
| Engelsed Limited | Health & social care | 2001 |
| Engineering Services Projects Limited | Administrative & support | 2011 |
| Enhanced Renovations Ltd | Construction | 2025 |
| Enigma Fiber Limited | Information & communication | 2023 |
| Ensign Estates Limited | Administrative & support | 2001 |
| Ensign Property Management Company Limited | Construction | 1992 |
| Entrate Electrical Ltd | Construction | 2020 |
| Enviro Roofing and Building Ltd | Construction | 2024 |
| Envirobuild Limited | Professional & scientific | 2011 |
| Envirobuild Solutions Limited | Professional & scientific | 2011 |
| Environmental Services London Ltd | Construction | 2024 |
| Envirotec Controls UK Limited | Extraterritorial | 2011 |
| Enzo Construction Ltd | Construction | 2016 |
| Enzo Property Developments Ltd | Construction | 2026 |