| Eco 4 Energies Ltd | Energy | 2024 |
| Eco Cleanse Ltd | Administrative & support | 2026 |
| Eco Construction (Holdings) Limited | Financial services | 2026 |
| Eco Construction (Midlands) Limited | Construction | 2015 |
| Eco Fit Services Ltd | Construction | 2021 |
| Eco Friendly Ltd | Wholesale & retail | 2016 |
| Eco Green Contracts Ltd | Construction | 2016 |
| Eco Green Home Solutions Ltd | Information & communication | 2020 |
| Eco Home Energy Ltd | Construction | 2018 |
| Eco Home Improvement Grants Ltd | Construction | 2023 |
| Eco Improvements Experts Ltd | Professional & scientific | 2021 |
| Eco Investment Properties Limited | Real estate | 2024 |
| Eco Laundrette EP Limited | Administrative & support | 2019 |
| Eco M&E Services Limited | Construction | 2025 |
| Eco Miles Ltd | Wholesale & retail | 2022 |
| Eco Motive Manufacturing Limited | Manufacturing | 2022 |
| Eco Plastic Innovations Limited | Manufacturing | 2011 |
| Eco Plastic Wood Limited | Manufacturing | 2010 |
| Eco Plus Energy Solutions Limited | Manufacturing | 2015 |
| Eco Power Systems Ltd | Construction | 2022 |
| Eco Recycling Solution Ltd | Water & waste | 2024 |
| Eco Saving Systems Limited | Real estate | 2011 |
| Eco Semiconductors Limited | Manufacturing | 2002 |
| Eco Space Homes Ltd | Construction | 2023 |
| Eco Space Homes Oxford Ltd | Construction | 2024 |
| Eco Synthetics Ltd | Extraterritorial | 2006 |
| Eco Tabs Europe Limited | Water & waste | 2013 |
| Eco Track & Access Ltd | Construction | 2011 |
| Eco Wash Leicester Ltd | Other services | 2020 |
| Eco World Recycling Limited | Wholesale & retail | 2013 |
| ECO107 Ltd | Construction | 2024 |
| ECO5 Insolation Ltd | Construction | 2025 |
| Ecobay Freight Limited | Wholesale & retail | 2023 |
| Ecobugpoop Ltd | Wholesale & retail | 2024 |
| Ecoenergy Insulation Ltd | Construction | 2023 |
| Ecofresh Cleaning Services Ltd | Administrative & support | 2015 |
| Ecogem UK Ltd | Construction | 2016 |
| Ecohaven Solutions Limited | Construction | 2024 |
| Ecolite Ltd | Construction | 2008 |
| Ecom Forever Limited | Wholesale & retail | 2025 |
| Ecom Investments Limited | Wholesale & retail | 2018 |
| Ecom Wholesale Limited | Wholesale & retail | 2026 |
| Ecomeals Limited | Other services | 2025 |
| Ecommerce Central Ltd | Wholesale & retail | 2024 |
| Ecommerce Mishal Ltd | Wholesale & retail | 2025 |
| Ecommylife Ltd | Wholesale & retail | 2025 |
| Ecommzone Limited | Wholesale & retail | 2022 |
| Ecomwithbashri Limited | Wholesale & retail | 2026 |
| Econix Networks Ltd | Information & communication | 2024 |
| Economic Crime Consulting Ltd | Financial services | 2012 |
| Ecoradlt Limited | Information & communication | 2020 |
| Ecoresponsive Environments Ltd | Professional & scientific | 2018 |
| Ecosh Ltd | Health & social care | 2021 |
| Ecosus Industries Ltd | Administrative & support | 2020 |
| Ecoterm Solutions Ltd | Construction | 2013 |
| Ecotronics (UK) Limited | Wholesale & retail | 2008 |
| Ecovolt Energy Solutions Ltd | Construction | 2024 |
| Ecowise Epcs Ltd | Professional & scientific | 2024 |
| Ecozy Ltd | Construction | 2022 |
| ECS Cleaning Ltd | Administrative & support | 2021 |
| Ecton Estates Commercial Company Limited | Real estate | 2018 |
| Ecton Estates Company Limited | Administrative & support | 1985 |
| Ecton Wills Ltd | Wholesale & retail | 2025 |
| ECU Solutions UK Ltd | Wholesale & retail | 2022 |
| ECW Developers Limited | Construction | 2022 |
| Ecwd Ltd | Information & communication | 2013 |
| ED Allen Ltd | Health & social care | 2021 |
| ED Daoudi Services Ltd | Transport & logistics | 2020 |
| ED Translations Ltd | Professional & scientific | 2022 |
| Ed-A-Mamma Limited | Financial services | 2023 |
| EDA Education Ltd | Administrative & support | 2026 |
| EDD Contracts Ltd | Mining & quarrying | 2009 |
| Eddas Properties Limited | Real estate | 2015 |
| Eddie Investments Limited | Real estate | 2019 |
| Eden Beauty Group Limited | Other services | 2020 |
| Eden Building Works Ltd | Construction | 2025 |
| Eden Commercial Property Limited | Hospitality | 2024 |
| Eden Fleet Services Ltd | Wholesale & retail | 2020 |
| Eden Holme Care Limited | Health & social care | 2022 |
| Eden Nest Property Management Ltd | Real estate | 2026 |
| Eden Oberoi Limited | Hospitality | 2021 |
| Eden Queen Ltd | Wholesale & retail | 2019 |
| Eden Rock Holdings Ltd | Financial services | 2025 |
| Eden Trousseau Ltd | Professional & scientific | 2003 |
| Eden Zero Traders Ltd | Wholesale & retail | 2025 |
| Eden-Thornton Crafts Ltd | Manufacturing | 2025 |
| Edenbridge Transport Ltd | Transport & logistics | 2014 |
| Edenhall BGL Limited | Construction | 2024 |
| Edenstone Estates Ltd | Real estate | 2026 |
| Edge Business Advisory Ltd | Administrative & support | 2023 |
| Edge Contracts Limited | Manufacturing | 2002 |
| Edge Controls (Leicester) Ltd | Manufacturing | 2015 |
| Edge Enterprises Kent Limited | Construction | 2011 |
| Edge Entertainment Limited | Hospitality | 2017 |
| Edge Retail Fabrication Limited | Manufacturing | 2021 |
| Edge Retail Limited | Professional & scientific | 2006 |
| Edge Retail Manufacturing Ltd | Construction | 2015 |
| Edge Retail Property Management Limited | Real estate | 2025 |
| Edgecroft Winner Ltd | Transport & logistics | 2015 |
| Edgehill Leicester Ltd | Real estate | 2024 |