| EL Vencejo Ltd | Hospitality | 2012 |
| Elaidsprings Health Consult Ltd | Health & social care | 2021 |
| Elan Civil Engineering Limited | Construction | 2015 |
| Elan Plant Limited | Administrative & support | 2019 |
| Elanar Technical Services Limited | Construction | 2005 |
| Eland Care Ltd | Health & social care | 2015 |
| Elbrus Limited | Construction | 2009 |
| ELD Lane Management Ltd | Manufacturing | 2018 |
| Elden Productions Limited | Professional & scientific | 2012 |
| Elderbrook Homes Ltd | Construction | 2023 |
| Elderglen Enviromental Ltd | Professional & scientific | 2025 |
| Elderly Care Link CIC | Health & social care | 2025 |
| Eldorado Limited | Health & social care | 2024 |
| Elecbuild Ltd | Construction | 2017 |
| Elecor Limited | Professional & scientific | 2015 |
| Electracom Installations Ltd | Construction | 2011 |
| Electric Medic Limited | Construction | 2022 |
| Electrica UK Ltd | Extraterritorial | 2007 |
| Electrical Farm Services Limited | Construction | 2002 |
| Electritech Limited | Construction | 2008 |
| Electro Gear Limited | Construction | 1987 |
| Electrocell Technologies UK | | 2017 |
| Electrologic Limited | Arts & recreation | 1983 |
| Electronics Computers and Systems Limited | Information & communication | 1992 |
| Electrotec Ltd | Construction | 2015 |
| Elegant Carpentry and Joinery Ltd | Manufacturing | 2025 |
| Elegant Homes - East Anglia Ltd | Construction | 2024 |
| Elegant Worldwide Limited | Hospitality | 2005 |
| Element Softworks Ltd | Information & communication | 2015 |
| Elementary Data Limited | Information & communication | 1990 |
| Elements Aesthetics Limited | Health & social care | 2016 |
| Elements Surveying Group Ltd | Professional & scientific | 2026 |
| Elenavieriu Limited | Health & social care | 2016 |
| Elephant Book Company Limited | Information & communication | 2005 |
| ELEV8 U.K Ltd | Manufacturing | 2012 |
| Elevasense Limited | Professional & scientific | 2024 |
| Elevate Medical Ltd | Professional & scientific | 2023 |
| Elevate Scaffolding Chelmsford Limited | Construction | 2020 |
| Elevated Architectural Design Ltd | Professional & scientific | 2025 |
| Elevated Investing Ltd | Real estate | 2023 |
| Elevated Property Ltd | Financial services | 2023 |
| Elevated Sourcing Ltd | Administrative & support | 2023 |
| Elevation Advisory Services Limited | Professional & scientific | 2025 |
| Eleway Ltd | Wholesale & retail | 2020 |
| Eley Holdings (East Anglia) Limited | Professional & scientific | 2010 |
| Eley Insurance Services Limited | Financial services | 1998 |
| Elfin Kitchens Limited | Wholesale & retail | 2006 |
| Elfin Steel Concept Ltd | Financial services | 2020 |
| Elgon Cleaning Services Limited | Administrative & support | 2018 |
| Elicar Ltd | Transport & logistics | 2024 |
| Elifts U.K Ltd | Professional & scientific | 2010 |
| Elijah Mcclifford Ltd | Health & social care | 2019 |
| Elilora & Co Ltd | Wholesale & retail | 2025 |
| Elim Collective Ltd | Professional & scientific | 2026 |
| Elinam Healthcare Limited | Health & social care | 2019 |
| Elipser Ltd | Professional & scientific | 2017 |
| Elite Asphalt Limited | Construction | 2024 |
| Elite Basements & Underpinning Ltd | Construction | 2017 |
| Elite Bathroom Installations Limited | Construction | 2017 |
| Elite Care Medical & Welfare Ltd | Health & social care | 2025 |
| Elite Commercial Properties Limited | Real estate | 2006 |
| Elite Conservatories Windows & Doors Limited | Construction | 2012 |
| Elite Dance Limited | Arts & recreation | 2014 |
| Elite Diagnostics Limited | Health & social care | 2023 |
| Elite Epoxy Limited | Construction | 2018 |
| Elite Food and Drink Limited | Hospitality | 2008 |
| Elite Franchise Media Group Ltd | Professional & scientific | 2024 |
| Elite Home Systems UK Ltd | Wholesale & retail | 2026 |
| Elite Injuries Limited | Health & social care | 2015 |
| Elite Learning Facility Ltd | Administrative & support | 2023 |
| Elite Marine Surveying Ltd | Agriculture & fishing | 2024 |
| Elite Nanny Solutions Ltd | Administrative & support | 2024 |
| Elite Planning Ltd | Real estate | 2019 |
| Elite Pop-Ups Ltd | Administrative & support | 2010 |
| Elite Publishing Ltd | Information & communication | 2021 |
| Elite Solar PV Ltd | Construction | 2022 |
| Elite Sport Psychology Limited | Other services | 2021 |
| Elite T.O Limited | Health & social care | 2017 |
| Elite Tiling Limited | Construction | 1998 |
| Elite Universal Services Ltd | Wholesale & retail | 2025 |
| Eliv Ltd | Financial services | 2024 |
| Eliv Property Limited | Real estate | 2026 |
| Elixer Ltd | Wholesale & retail | 2024 |
| Elixico Ltd | Information & communication | 2022 |
| Elizabeth Arthur Associates Ltd | Administrative & support | 2010 |
| Elizabeth Court and Florence House Management Limited | Professional & scientific | 1996 |
| Elizabeth Parker Productions Limited | Information & communication | 2012 |
| Elizabeth School of Dance Limited | Arts & recreation | 2024 |
| Elizabeth Sweeney Limited | Health & social care | 2026 |
| Ella's CA PHE House Ltd | Hospitality | 2023 |
| Ella's Nail House Ltd | Other services | 2021 |
| Ellem Commercials Limited | Professional & scientific | 2024 |
| Ellen Carter Aesthetics Ltd | Health & social care | 2021 |
| Ellery Charter LLP | | 2017 |
| Ellesis Purchasing Ltd | Wholesale & retail | 2026 |
| Ellexo Limited | Real estate | 2022 |
| Elleyeen Ltd | Wholesale & retail | 2025 |
| Elliot Minimarket 1 Ltd | Wholesale & retail | 2026 |
| Elliot Simpson Ltd | Professional & scientific | 2016 |
| Elliott Bauer Executive Limited | Administrative & support | 2014 |