| EIC Builders Limited | Construction | 2014 |
| Ejda Consultancy Limited | Professional & scientific | 2005 |
| Eklavya Underprivilege Education and Welfare | Education | 2019 |
| Ekom Ltd | Wholesale & retail | 2015 |
| Elan Aesthetic Clinic Ltd | Wholesale & retail | 2018 |
| Elastic Ltd | Administrative & support | 2023 |
| ELC Accountancy Limited | Professional & scientific | 2014 |
| Electricity Markets and Power Systems Consulting Ltd | Professional & scientific | 2018 |
| Elegant Home Design Ltd | Wholesale & retail | 2024 |
| Elemental Events Ltd | Administrative & support | 2026 |
| Elemental Games Ltd | Wholesale & retail | 2025 |
| Elena & Valentin Ltd | Construction | 2019 |
| Elephant Payments Limited | Financial services | 2025 |
| Elevate Colour CIC | Professional & scientific | 2024 |
| Elevate Insights Limited | Professional & scientific | 2019 |
| Elevate Mindset Ltd | Health & social care | 2025 |
| ELEVATE3SIXTY Ltd | Arts & recreation | 2025 |
| Elevated YOU Ltd | Professional & scientific | 2022 |
| Elevation Accounting and Tax Ltd | Professional & scientific | 2024 |
| Elevatis Prime Ltd | Information & communication | 2024 |
| Eleven Search Holdings Limited | Administrative & support | 2022 |
| Elgar Associates Limited | Administrative & support | 2001 |
| Elibah Camps Limited | Arts & recreation | 2022 |
| Elibah Clubs Limited | Arts & recreation | 2022 |
| Elibah School of Dance Limited | Education | 2022 |
| Elibah Wardrobe Limited | Wholesale & retail | 2022 |
| Elite Commercial Body Repairs Ltd | Manufacturing | 2021 |
| Elite Infusions Ltd | Other services | 2023 |
| Elite Player Hub Ltd | Arts & recreation | 2026 |
| Elite Property Corporation Ltd | Administrative & support | 2017 |
| Elitebridge Solutions Ltd | Professional & scientific | 2023 |
| Elizabeth Court (Wokingham) Management Limited | Households | 1978 |
| Elizabeth Sale Ltd | Professional & scientific | 2013 |
| Ellen James Limited | Construction | 2019 |
| Elliott Risk Services Limited | Professional & scientific | 2017 |
| Ellis Associates Design Limited | Construction | 2013 |
| ELM Education Ltd | Education | 2023 |
| ELM Heath Limited | Professional & scientific | 2020 |
| Elmleigh Equestrian Fencing Co Ltd | Construction | 2003 |
| Elmsie.Tech Limited | Information & communication | 2019 |
| Eloweb Limited | Professional & scientific | 2019 |
| ELQ Energy Solutions Ltd | Construction | 2022 |
| Elshalaby Ltd | Real estate | 2025 |
| Elster Investments Ltd | Real estate | 2025 |
| Elstree Property Investment Limited | Real estate | 2021 |
| Elusive Brewing Limited | Manufacturing | 2015 |
| Eluxical Ltd | Construction | 2025 |
| Emantique Ltd | Information & communication | 2026 |
| Emayall Limited | Information & communication | 2008 |
| Embecta U.K. Limited | Manufacturing | 2020 |
| Embodied Beings Ltd | Professional & scientific | 2017 |
| Emdr Centre Limited | Health & social care | 2022 |
| Emergebio Ltd | Professional & scientific | 2025 |
| Emergences 3D Ltd | Manufacturing | 2024 |
| Emergencyelectrician.Ai Ltd | Construction | 2026 |
| Emily Green Consulting Limited | Administrative & support | 2018 |
| Emily Wong Home Ventures Ltd | Real estate | 2023 |
| Emmbrook Management Ltd | Professional & scientific | 2022 |
| Emmbrook R&D Ltd | Professional & scientific | 2023 |
| Emmbrook Sports & Social Club Limited | Arts & recreation | 2018 |
| Emmify UK Limited | Administrative & support | 2012 |
| Emotive (Agency) Limited | Professional & scientific | 1999 |
| Emotive Agency (Holdings) Limited | Professional & scientific | 2008 |
| Empathena Ltd | Health & social care | 2025 |
| Empathy Compass Counselling Ltd | Health & social care | 2025 |
| Empire Physiotherapy Ltd | Health & social care | 2015 |
| Empire Real Estate Investments Ltd | Real estate | 2025 |
| Empire Security Solutions Limited | Administrative & support | 2003 |
| Emporia London Limited | Professional & scientific | 2023 |
| Emtrades Limited | Public administration | 2025 |
| EMY Aviation Limited | Transport & logistics | 2020 |
| Enablecareuk Limited | Health & social care | 2019 |
| Enchanting Glass Designs Ltd | Wholesale & retail | 2022 |
| Encinar Ltd | Professional & scientific | 2015 |
| Encore-Sfx Ltd | Administrative & support | 2019 |
| Energy Associates ( Consulting ) Limited | Professional & scientific | 2018 |
| Energy Kidz Ltd | Extraterritorial | 2020 |
| Energy Logistics UK Ltd | Transport & logistics | 2022 |
| Energy-Verse Solutions Limited | Professional & scientific | 2020 |
| Enerwell LLP | | 2025 |
| Engine House Group Ltd | Administrative & support | 2017 |
| Englefield Close Freehold Limited | Households | 2020 |
| Englefield Close Residents Association Limited | Households | 1984 |
| English Court Residents Association Limited | Households | 2006 |
| Enhance Living Limited | Information & communication | 2022 |
| Enjoy Training Limited | Other services | 2010 |
| Enterprise Focus Limited | Information & communication | 2011 |
| Entertainment Partners Holding Limited | Professional & scientific | 2014 |
| Entertainment Partners Production Services Limited | Financial services | 2023 |
| Entertainment Partners UK Holdco Limited | Financial services | 2020 |
| Entertainment Partners UK Limited | Information & communication | 2013 |
| Entertainment Partners UK Payroll Services Limited | Professional & scientific | 2016 |
| Entertainment Partners UK Services Limited | Professional & scientific | 2024 |
| Enthrive Ltd | Administrative & support | 2022 |
| Envee Media Limited | Information & communication | 2012 |
| Enviision Ltd | Administrative & support | 2024 |
| Environmental Installation Solutions Limited | Construction | 1998 |
| Enviva Care Limited | Health & social care | 2011 |
| Enviva Complex Care Limited | Health & social care | 1999 |
| Envoy Associates Ltd | Wholesale & retail | 2023 |