| Ebujak Ltd | Hospitality | 2023 |
| ECA Architecture Limited | Professional & scientific | 2013 |
| Echelon Accounting Services Limited | Professional & scientific | 2015 |
| Echelon Business Management Limited | Professional & scientific | 2015 |
| Echelon Payroll Services Limited | Professional & scientific | 2020 |
| Echo Eighty Ltd | Professional & scientific | 2018 |
| Echo Financial Management Ltd | Financial services | 2020 |
| Ecigit (Portsmouth) Limited | Wholesale & retail | 2014 |
| Eckersley White Estate Agency Limited | Real estate | 2006 |
| Eckersley White Holdings Ltd | Financial services | 2013 |
| Eckersley White Property Management Limited | Real estate | 2003 |
| Eclips Corporation (UK) Limited | Manufacturing | 1996 |
| ECM Management Limited | Real estate | 2007 |
| ECM Sales Solutions Limited | Wholesale & retail | 2010 |
| Eco 4 EPC Ltd | Administrative & support | 2023 |
| Eco Core Group Ltd | Administrative & support | 2025 |
| Eco Electrical Solutions Southern Limited | Construction | 2019 |
| Eco Green 4 YOU Ltd | Administrative & support | 2023 |
| Eco Heating (Southern) Ltd | Construction | 2020 |
| Eco Heating and GAS Services (Southern) Ltd | Construction | 2018 |
| Eco Performance Homes Ltd | Real estate | 2023 |
| Eco Roofing Group Limited | Construction | 2025 |
| Eco Shared Living Ltd | Real estate | 2020 |
| Eco Stitch Embroidery Limited | Manufacturing | 2024 |
| Eco Sun Solutions Ltd | Construction | 2023 |
| Eco-Logical Landscapes Sussex Limited | Professional & scientific | 2024 |
| Ecobriel Ltd | Wholesale & retail | 2022 |
| Ecoflow Liquid Screed Ltd | Construction | 2022 |
| Ecofoodpack Ltd | Wholesale & retail | 2025 |
| Ecogleam Cleaning Services Ltd | Administrative & support | 2026 |
| Ecolink Global Ltd | Arts & recreation | 2023 |
| Ecombrige Limited | Wholesale & retail | 2025 |
| Ecsw Medical Ltd | Health & social care | 2016 |
| Eden James Consulting Limited | Administrative & support | 2015 |
| Edenbridge Developments Limited | Real estate | 2009 |
| Edencole Construction Ltd | Construction | 2019 |
| Edge Scaffolding (Southern) Ltd | Construction | 2023 |
| Edison Lighting Direct Limited | Construction | 2018 |
| EDM Healthcare Consulting Ltd | Information & communication | 2018 |
| Edvance Consultancy Ltd | Education | 2025 |
| Edward Stokes Funfairs Ltd | Arts & recreation | 2025 |
| Edward's Delivery Services 2803 Ltd | Transport & logistics | 2025 |
| Edwards Roofing Services Ltd | Construction | 2020 |
| Edwin Healthcare Services Limited | Health & social care | 2022 |
| EE Glass Ltd | Manufacturing | 1994 |
| Eeee Global Service UK LT Limited | Health & social care | 2021 |
| Eeva 1 Ltd | Real estate | 2022 |
| Effective English Websites Limited | Information & communication | 2008 |
| Eggfree Cakebox Portsmouth Limited | Wholesale & retail | 2019 |
| EGH Improvements Ltd | Construction | 2022 |
| EGM Investments Ltd | Financial services | 2023 |
| EH Engineers Ltd | Construction | 2024 |
| EH9 Property Limited | Real estate | 2018 |
| Eightknots Management Company Limited | Households | 2025 |
| Eighty Seven Events Limited | Arts & recreation | 2018 |
| Ej's Motor Services Limited | Wholesale & retail | 2022 |
| EJL Plastering & Rendering Ltd | Construction | 2013 |
| EJL Plastering & Rendering Supplies Ltd | Wholesale & retail | 2022 |
| EJL Plastering Holdings Ltd | Financial services | 2022 |
| EJL Property Ltd | Financial services | 2025 |
| Ekorre Properties Limited | Real estate | 2022 |
| EL Grove Lounge Ltd | Hospitality | 2025 |
| Elan Hairdressing Ltd | Other services | 2019 |
| Elarna Limited | Health & social care | 2023 |
| Elated Estates Limited | Real estate | 2025 |
| Electric Dreamz Ltd | Administrative & support | 2024 |
| Electric Hand Ltd | Information & communication | 2022 |
| Electrical Safety and Renewables Ltd | Construction | 2025 |
| Eleganzy Ltd | Other services | 2016 |
| Elegra Ltd | Health & social care | 2026 |
| Elemental Clean Energy Limited | Other services | 2024 |
| Elephant Renewables Ltd | Construction | 2024 |
| Elevate Safety Supplies Ltd | Manufacturing | 2026 |
| Elevation Training Club Ltd | Arts & recreation | 2013 |
| Eleven TIL 7 Retail Ltd | Wholesale & retail | 2019 |
| Elgee Training Limited | Education | 2021 |
| Eliadefab Limited | Administrative & support | 2016 |
| Eliree Ltd | Manufacturing | 2022 |
| Elisabetavarga Limited | Transport & logistics | 2018 |
| Elite Attraction Hire Ltd | Arts & recreation | 2025 |
| Elite Care PVT Limited | Administrative & support | 2020 |
| Elite Care Solutions PVT Limited | Administrative & support | 2023 |
| Elite Ecom Ltd | Wholesale & retail | 2026 |
| Elite Garages Limited | Wholesale & retail | 2001 |
| Elite Group Limited | Information & communication | 2018 |
| Elite Hosting Limited | Information & communication | 2019 |
| Elite Limited | Information & communication | 1999 |
| Elite Manning Ltd | Extraterritorial | 2022 |
| Elite Plasterpros Ltd | Construction | 2024 |
| Elite Property Solutions Group Ltd | Construction | 2018 |
| Elite Safety Netting Limited | Construction | 2022 |
| Elite Sash Windows Limited | Construction | 2016 |
| Elite Software Technology Limited | Information & communication | 2015 |
| Elite SRT Limited | Health & social care | 2024 |
| Elite Tippers & Grabs Ltd | Transport & logistics | 2023 |
| Eliteoscetraining Ltd | Health & social care | 2025 |
| Elivamarketing Ltd | Information & communication | 2025 |
| Eliza Developments Limited | Construction | 2025 |
| Elizabeth Court (Cosham) Management Company Limited | Households | 1983 |
| Elizabeth Court (Hayling Island) Management Company Limited | Households | 2023 |