| E-Brook Limited | Information & communication | 2002 |
| E5 Limited | Professional & scientific | 1997 |
| Eagle Penny Enterprise Ltd | Real estate | 2022 |
| Eagle Rock (Spode) Limited | Construction | 2016 |
| Earlswood Supplies Limited | Wholesale & retail | 2013 |
| Earth Kind Construction Ltd | Construction | 2026 |
| Earthedge Landscaping & Fencing Ltd | Professional & scientific | 2025 |
| Earthtime Limited | Other services | 2023 |
| Earthwise Tree Care Ltd | Agriculture & fishing | 2023 |
| Easington Properties Limited | Real estate | 1975 |
| East India Investments Limited | Extraterritorial | 2010 |
| East London Pizza Limited | Hospitality | 2015 |
| East Oxford Garage Limited | Wholesale & retail | 2010 |
| EAST8 Limited | Real estate | 2019 |
| Easter Early Music Course Limited | Arts & recreation | 2013 |
| Eatonspace Ltd | Administrative & support | 2026 |
| Eazistore Limited | Real estate | 2026 |
| Eazy Beds and Chairs Limited | Manufacturing | 2012 |
| Ebony Aesthetics Limited | Other services | 2026 |
| Ebony Court 1998 (Management) Company Ltd | Professional & scientific | 1998 |
| Echo Foods Ltd | Wholesale & retail | 2003 |
| Echo International Health Services Limited | Health & social care | 1972 |
| Eclipse GB Limited | Professional & scientific | 2008 |
| Eclipse Integration UK Limited | Wholesale & retail | 2024 |
| Eco Aeon Limited | Health & social care | 2008 |
| Ecoaeon Engineering Limited | Manufacturing | 2022 |
| Ecoconnect Group Ltd | Professional & scientific | 2023 |
| Ecs-Science Consultation Ltd | Information & communication | 2021 |
| EDD Frost & Daughters Ltd | Other services | 2012 |
| Edge Hill Honey Limited | Manufacturing | 2024 |
| Edge Semiconductor Ltd | Professional & scientific | 2025 |
| Edge Signs Limited | Manufacturing | 2007 |
| Edgehill Gliding Centre Limited | Arts & recreation | 2021 |
| Edinburgh Analytics Limited | Professional & scientific | 2023 |
| Editch VFX Ltd. | Information & communication | 2025 |
| Education ABC Limited | Education | 2003 |
| Educational Software Products Ltd | Education | 2016 |
| EDW Electrical Services Limited | Construction | 2026 |
| Edward Darbishire Sporting Limited | Arts & recreation | 2021 |
| Eflo International Limited | Water & waste | 1950 |
| Egmg Ltd | Wholesale & retail | 2014 |
| Egrc Partners Ltd | Professional & scientific | 2023 |
| Egress Limited | Information & communication | 2006 |
| EIA Real Estate Limited | Administrative & support | 2021 |
| EIA Real Estate London Limited | Administrative & support | 2024 |
| EL Caballo LLP | | 2024 |
| EL Pacho Ltd | Other services | 2024 |
| EL SOL Trans Ltd | Transport & logistics | 2025 |
| Elan PR Limited | Professional & scientific | 2014 |
| ELC Training and Consultancy Services Ltd. | Professional & scientific | 2015 |
| Eldergrove Estates Ltd | Real estate | 2025 |
| Eldorado JOS Ltd | Hospitality | 2015 |
| Electrobitions Limited | | 1989 |
| Elena & Gaby Transport Ltd | Transport & logistics | 2025 |
| Elephant & Moose Ltd | Hospitality | 2023 |
| Elevare Stays Ltd | Real estate | 2026 |
| Elevate Nexus Digital Ltd | Wholesale & retail | 2025 |
| Eleve Creative Ltd | Information & communication | 2026 |
| Eleve Group Holdings Ltd | Financial services | 2026 |
| Eleven Worldwide Limited | Administrative & support | 1998 |
| Elfx Limited | Wholesale & retail | 2026 |
| ELG Property Holdings Ltd | Real estate | 2022 |
| Elite 8 Ball Ltd | Hospitality | 2019 |
| Elite Cars Banbury Ltd | Transport & logistics | 2019 |
| Elite Content UK Ltd | Professional & scientific | 2022 |
| Elite Electrical & Automation Limited | Construction | 2017 |
| Elite Garage Doors(Central) Ltd | Construction | 2022 |
| Elite Motorhomes Holdings Limited | Financial services | 2021 |
| Elite Motorhomes Limited | Wholesale & retail | 1997 |
| Elite Motorhomes Specialist Repair Centre Ltd | Wholesale & retail | 2020 |
| Elite PT Academy Limited | Manufacturing | 2015 |
| Elite Southern Supplies Limited | Wholesale & retail | 2014 |
| Elite Sports Hire Limited | Administrative & support | 2025 |
| Elite Sports Shoes Limited | Wholesale & retail | 2023 |
| Elite Surface Finishing Limited | Manufacturing | 1995 |
| Elite Windows & Conservatories (Banbury) Limited | Construction | 2004 |
| ELK Management Services Ltd | Administrative & support | 2022 |
| Ellacotts Audit Services Limited | Professional & scientific | 2020 |
| Ellacotts Forensic Services Limited | Professional & scientific | 2023 |
| Ellacotts LLP | | 2006 |
| Ellacotts Wealth Planning Limited | Financial services | 2011 |
| Elleura Ltd | Wholesale & retail | 2025 |
| Elliott Brown Agency Ltd | Professional & scientific | 2019 |
| Ellsea Limited | Education | 2021 |
| ELM Capital Management Limited | Professional & scientific | 2023 |
| ELM Capital Ventures Ltd | Financial services | 2025 |
| ELM Life Management Limited | Information & communication | 2025 |
| Elme Property Development Ltd | Construction | 2022 |
| Elyn Studio Ltd | Professional & scientific | 2021 |
| Elyndor Ltd | Wholesale & retail | 2026 |
| Elysia Media Ltd | Wholesale & retail | 2025 |
| EMA Tech Solutions Limited | Professional & scientific | 2025 |
| Emanning Limited | Education | 2014 |
| Ember Creative Studios Ltd | Wholesale & retail | 2021 |
| Embroidery & Printing World Ltd | Manufacturing | 2019 |
| Emerald Tile Ltd | Construction | 2024 |
| Emilybia Ltd | Transport & logistics | 2023 |
| Emjay Controls Ltd | Professional & scientific | 2021 |
| Empire Tattoo Studios Ltd | Other services | 2023 |
| Empowering Families of Children With Send Ltd | Education | 2023 |