| Elecheck Limited | Construction | 2021 |
| Eleco Electrical Ltd | Construction | 2015 |
| Electracare Electrical Maintenance Ltd | Construction | 2011 |
| Electratech Solutions Ltd | Administrative & support | 2022 |
| ELECTRI5 Ltd | Professional & scientific | 2018 |
| Electric Buzz Limited | Wholesale & retail | 2022 |
| Electric Car Home Ltd | Information & communication | 2019 |
| Electric Drive Technologies Ltd | Professional & scientific | 2017 |
| Electrical Contracting Solutions (SW) Ltd | Construction | 2018 |
| Electrical Marvel Limited | Construction | 2021 |
| Electrical Ventilation Renewables Ltd | Construction | 2010 |
| Electrik Cars Ltd | Transport & logistics | 2018 |
| Electrimec Limited | Construction | 2019 |
| Electronic Publishing Company Limited(The) | Information & communication | 1980 |
| Elegance Rose Limited | Wholesale & retail | 2023 |
| Elegant Change Limited | Professional & scientific | 2014 |
| Elegant Crown Developments Limited | Construction | 2026 |
| Elegant Tech Studio Ltd | Information & communication | 2024 |
| Elegant Touch Aesthetics Limited | Other services | 2025 |
| Elemance Limited | Other services | 2024 |
| Element Acoustics Limited | Manufacturing | 2025 |
| Element Construction Group Ltd | Construction | 2023 |
| Element Contracts Holdings Limited | Real estate | 2024 |
| Element Contracts Limited | Construction | 2016 |
| Elemental Craft Limited | Manufacturing | 2018 |
| Elementel Mobile Services Limited | Information & communication | 2019 |
| Elementel Network Services Limited | Information & communication | 2019 |
| Elemntshe Limited | Arts & recreation | 2026 |
| Elengos Global Autism Services Ltd | Health & social care | 2019 |
| Elephant Boatyard Limited (the) | Manufacturing | 1974 |
| ELEV8 Scaffolding Solutions Ltd | Construction | 2025 |
| Elevare Recruitment Ltd | Administrative & support | 2018 |
| Elevate and Consult Ltd | Professional & scientific | 2025 |
| Elevate Clinic Operations Ltd | Administrative & support | 2025 |
| Elevate Corporate Finance Consulting Limited | Professional & scientific | 2010 |
| Elevate Design Ltd | Professional & scientific | 2023 |
| Elevate Gym Group Ltd | Arts & recreation | 2025 |
| Elevate Training Academy Ltd | Education | 2023 |
| Elevate Wellness Holdings Ltd | Other services | 2025 |
| Elevate Youth Studio LLP | | 2026 |
| Elevated Holiday Homes Ltd | Extraterritorial | 2022 |
| Elevated Sound Solutions Limited | Information & communication | 2023 |
| Elevation Golf Limited | Professional & scientific | 2025 |
| Elevatus Limited | Information & communication | 2018 |
| Eleven Eight Marketing Ltd | Professional & scientific | 2014 |
| Eleven Sterling Ltd | Professional & scientific | 2026 |
| Elevenware Limited | Information & communication | 2010 |
| Elfe Medical Ltd | Health & social care | 2014 |
| Elfin Court Maintenance (Southampton) Limited | Households | 1971 |
| Elford Sheds Ltd | Wholesale & retail | 2013 |
| Elgin Court Tower Road Management Limited | Households | 2005 |
| Eliass Ltd | Transport & logistics | 2025 |
| Elida RM Cleaning Limited | Administrative & support | 2026 |
| Elie Cars Ltd | Transport & logistics | 2024 |
| Eling Construction Limited | Construction | 1996 |
| Eling Holdings Limited | Financial services | 2026 |
| Eling Mews (Southampton) Property Management Company Limited | Households | 2007 |
| Eling Partners Ltd | Information & communication | 2016 |
| Eling Studios (2016) Limited | Professional & scientific | 2016 |
| Elinor Harvey Ltd | Health & social care | 2023 |
| Elisca Associates Ltd | Administrative & support | 2017 |
| Elite Air Handling Unit & Heat Exchanger Specialists Ltd | Construction | 2020 |
| Elite Airport & Cruise Transfers Ltd | Transport & logistics | 2016 |
| Elite Build & Resurfacing Ltd | Construction | 2025 |
| Elite Canine Services Ltd | Agriculture & fishing | 2023 |
| Elite Capital Bridge Ltd | Administrative & support | 2016 |
| Elite Car Detailing Centre Ltd | Other services | 2020 |
| Elite Carpentry (Southern) Limited | Manufacturing | 2022 |
| Elite Carpet and Cleaning Solutions Ltd | Administrative & support | 2025 |
| Elite Cinematics Limited | Information & communication | 2015 |
| Elite Cleaning Southern Ltd | Administrative & support | 2018 |
| Elite Comms Network Services Limited | Information & communication | 2025 |
| Elite Communications Group Ltd | Wholesale & retail | 2022 |
| Elite Construction (Hampshire) Limited | Construction | 2013 |
| Elite Dentique Ltd | Health & social care | 2025 |
| Elite Electrical Group Ltd | Construction | 2025 |
| Elite Electrical Services (Southern) Ltd | Construction | 2016 |
| Elite Excel Solutions Ltd | Information & communication | 2017 |
| Elite Food Shop Limited | Wholesale & retail | 2024 |
| Elite Hire Limited | Transport & logistics | 2026 |
| Elite International Sports Academy Limited | Arts & recreation | 2013 |
| Elite Kempston Hardwick Limited | Professional & scientific | 2016 |
| Elite Lift Solutions Ltd | Manufacturing | 2013 |
| Elite Mobile Servicing Limited | Wholesale & retail | 2011 |
| Elite Mobile Windscreens Ltd | Manufacturing | 2012 |
| Elite Nights Limited | Hospitality | 2026 |
| Elite Polska Limited | Professional & scientific | 2006 |
| Elite Property Consultancy Limited | Financial services | 2014 |
| Elite Rental Properties Ltd | Real estate | 2024 |
| Elite Resin Limited | Other services | 2021 |
| Elite Salon Hampshire Limited | Other services | 2009 |
| Elite Scaffolding (Southern) Ltd | Construction | 2007 |
| Elite Smart Repair Ltd | Administrative & support | 2007 |
| Elite Stewartby Limited | Professional & scientific | 2016 |
| Elite Systems Staircases Limited | Construction | 2020 |
| Elite Utilities and Construction Limited | Professional & scientific | 2026 |
| Elite Verona Ltd | Real estate | 2017 |
| Elitebrits Ltd | Wholesale & retail | 2024 |
| Elitel Communications Ltd | Wholesale & retail | 2025 |
| Elitesprayz Ltd | Wholesale & retail | 2026 |