| EFT Plus Ltd | Education | 2022 |
| Efton & Co Limited | Real estate | 2026 |
| Efton Medical Services Ltd | Health & social care | 2022 |
| EG Pulse Ltd | Information & communication | 2026 |
| Egab Care. Ltd | Health & social care | 2021 |
| Egdehtron Management Limited | Extraterritorial | 2025 |
| Eglinton Drive Residents Association Limited | Households | 2005 |
| Eharbour UK Limited | Wholesale & retail | 2006 |
| EHO Property Maintenance Ltd | Construction | 2026 |
| Ehome Electrician Ltd | Construction | 2025 |
| Ehomes Realty Limited | Real estate | 2021 |
| Ehousebook Limited | Real estate | 2013 |
| Ehut UK Ltd | Information & communication | 2018 |
| Eidizada Ltd | Wholesale & retail | 2019 |
| Eight Campbell Road Limited | Real estate | 1987 |
| Eight Restorers Ltd | Construction | 2026 |
| EIGHT10 Holdings Limited | Financial services | 2024 |
| Eightpointzero Language Services Limited | Professional & scientific | 2018 |
| EIQ Solutions Ltd | Information & communication | 2012 |
| EJ and BEL Ltd | Real estate | 2018 |
| EJ House Services Limited | Manufacturing | 2026 |
| EJB Property Ltd | Real estate | 2014 |
| EK Assets Ltd | Real estate | 2023 |
| Ekam Gora Properties Ltd | Real estate | 2023 |
| EKO Flow Plumbing & Heating Ltd | Construction | 2025 |
| EKO Smart Ltd | Transport & logistics | 2021 |
| Ekpolocums Limited | Health & social care | 2019 |
| EL Group Ltd | Households | 2024 |
| EL Sali Services LLC Ltd | Financial services | 2022 |
| El-Bethel Properties Limited | Real estate | 2025 |
| El-Di Limited | Hospitality | 2018 |
| El-Roi Investment Group Ltd | Real estate | 2023 |
| El-Roi Safe Homes Limited | Health & social care | 2025 |
| Ela's Cleaning and Ironing Services Limited | Administrative & support | 2010 |
| Elahz Concepts Ltd | Wholesale & retail | 2026 |
| Eland International Care Services Limited | Health & social care | 2022 |
| Elar Omar Ltd | Hospitality | 2025 |
| Elaris Realty Investment & Consultancy Limited | Real estate | 2025 |
| Elasticair Limited | Information & communication | 2016 |
| ELB Logistics Limited | Professional & scientific | 2019 |
| Elbio CS Ltd | Other services | 2025 |
| Elde Medical Ltd | Health & social care | 2023 |
| Elden Construction Ltd | Construction | 2016 |
| Elden Properties Ltd | Real estate | 2021 |
| Elderberry Computer Services Limited | Information & communication | 1979 |
| Eldonphab Limited | Health & social care | 1984 |
| Eldorado Management Company Limited | Households | 1995 |
| Elecfix Limited | Information & communication | 2007 |
| Electio Trading Ltd | Wholesale & retail | 2024 |
| Electrical Edge Ltd | Construction | 2022 |
| Electrical Solutions E4 Limited | Construction | 2022 |
| Electro Mazza Ltd | Wholesale & retail | 2020 |
| Electro Spot Limited | Wholesale & retail | 2015 |
| Electrosafe Landscape Lighting Limited | Construction | 2008 |
| Elegance Automotive Limited | Wholesale & retail | 2026 |
| Elegancia (UK) Ltd | Wholesale & retail | 2007 |
| Elegant Builders Ltd | Construction | 2025 |
| Elegant Living Furniture Ltd | Wholesale & retail | 2025 |
| Elegant Rise Limited | Wholesale & retail | 2020 |
| Elegant Shop Limited | Wholesale & retail | 2025 |
| Elements Residents Association Limited | Households | 2003 |
| ELEMENTS888 Ltd | Wholesale & retail | 2023 |
| Elena T Cleaning Pro Ltd | Administrative & support | 2024 |
| Eleonora Corsi Ltd | Professional & scientific | 2015 |
| Eleuthera Ltd | Administrative & support | 2025 |
| Elevana Wealth Limited | Professional & scientific | 2026 |
| Elevanoo Limited | Wholesale & retail | 2025 |
| Elevate Education Group Ltd | Education | 2016 |
| Elevate Equity Consulting Ltd | Professional & scientific | 2025 |
| Elevate Skills Centre Ltd | Health & social care | 2025 |
| Elevated Developments Limited | Real estate | 2024 |
| Eleven Chislehurst Limited | Real estate | 2018 |
| Eleven Ovington Gardens Maintenance Limited | Households | 1967 |
| Eleven Star Labs Limited | Information & communication | 2024 |
| Elex Business Systems Limited | Real estate | 1987 |
| Eley Quantity Surveying Limited | Professional & scientific | 2011 |
| Eley Services Limited | Real estate | 2015 |
| Ele’S Tiramisu Ltd | Manufacturing | 2021 |
| ELF IT Services Limited | Information & communication | 2006 |
| Elfamali Ltd | Health & social care | 2025 |
| Elfie Limited | Wholesale & retail | 2012 |
| Elgar Properties Reading Limited | Real estate | 2025 |
| Elgin Capital Partners Limited | Professional & scientific | 2015 |
| Elgreat Tour & Care Services Ltd | Administrative & support | 2020 |
| Elichka 8 Ltd | Construction | 2016 |
| Eline Evolutional Pilates Ltd | Education | 2025 |
| Elisa Aljo Private Ltd | Health & social care | 2015 |
| Elisabeth Pharmacon Ltd | Manufacturing | 2012 |
| Elistine Services (UK) Limited | Other services | 2014 |
| Elite Beauty for YOU Ltd | Other services | 2021 |
| Elite Beauty Services Ltd | Other services | 2019 |
| Elite BIM Ltd | Professional & scientific | 2024 |
| Elite Car Tinting Ltd | Other services | 2019 |
| Elite Care Specialist Ltd | Administrative & support | 2024 |
| Elite Catering Maintenance Ltd | Manufacturing | 2015 |
| Elite Clean Cleaning Services Ltd | Administrative & support | 2023 |
| Elite Cleaning Unique Services Ltd | Administrative & support | 2024 |
| Elite Collective Drummers Ltd | Arts & recreation | 2022 |
| Elite Creators Network Ltd | Professional & scientific | 2026 |
| Elite Feasts Ltd | Manufacturing | 2024 |