| Estates Management (MCR) Ltd | Real estate | 2013 |
| Estates Plus Ltd | Real estate | 2023 |
| Estatuillo Holdings Limited | Financial services | 2024 |
| Estedama Company Ltd | Education | 2024 |
| Esteelicious Ltd | Hospitality | 2020 |
| Esteem Traders Ltd | Wholesale & retail | 2022 |
| Estella Properties Limited | Real estate | 1958 |
| Estelle Vega Consulting Limited | Professional & scientific | 2014 |
| Estepona Ventures Ltd | Wholesale & retail | 2025 |
| Ester Works Ltd | Arts & recreation | 2026 |
| Esters Healthcare Limited | Health & social care | 2016 |
| Esther Law and Associates Limited | Professional & scientific | 2019 |
| Esther Steinhaus Childcare Ltd | Education | 2024 |
| Esther's Place for Hope CIC | Education | 2021 |
| Estherhelthcare Ltd | Administrative & support | 2022 |
| Estieb Health & Beauty World Ltd | Wholesale & retail | 2021 |
| Estima and Pruis Parts Ltd | Wholesale & retail | 2023 |
| Estimators Limited | Extraterritorial | 2002 |
| Estimators Online Limited | Professional & scientific | 2003 |
| Estimore Ltd | Construction | 2024 |
| Eston Business Solutions Limited | Professional & scientific | 2022 |
| Estrato Cloud Ltd | Information & communication | 2021 |
| Estrogen Balls 1 Limited | Hospitality | 2019 |
| Estron Ltd | Wholesale & retail | 2019 |
| Estrum Estates Ltd. | Real estate | 2013 |
| Estvemour Ltd | Transport & logistics | 2023 |
| Estyra Limited | Real estate | 2026 |
| ESU Properties Limited | Real estate | 2015 |
| Esun Energy Co., Ltd | Extraterritorial | 2013 |
| Esuola Ltd | Financial services | 2019 |
| Esva Limited | Financial services | 2025 |
| Eswar & Co Limited | Professional & scientific | 2018 |
| Eswarr Ltd | Other services | 2025 |
| ESX Clothing Ltd | Wholesale & retail | 2020 |
| Esybuy Limited | Wholesale & retail | 2024 |
| ET AL Music. Ltd | Arts & recreation | 2025 |
| ET Enterprises (NW) Limited | Professional & scientific | 2021 |
| ET HUBENOV92 Ltd | Transport & logistics | 2023 |
| ET Resource Holdings Limited | Financial services | 2019 |
| ET Trade Limited | Administrative & support | 2023 |
| ETA Parcel Solutions Ltd | Transport & logistics | 2015 |
| Etail Solutions Limited | Wholesale & retail | 2012 |
| Etalwa Ettihadul Muslemin (U.K.) Society | Education | 1998 |
| Etana Gourmet Ltd | Hospitality | 2024 |
| Etava Ltd | Wholesale & retail | 2025 |
| ETC Chauffeur Ltd | Transport & logistics | 2022 |
| ETC Chauffeur Services Ltd | Transport & logistics | 2025 |
| ETC Expert Training Centre Limited | Education | 2025 |
| ETC Realisations 2024 Limited | Administrative & support | 2009 |
| ETC UK Ventures Ltd | Real estate | 2021 |
| ETC Urban Developments Ltd | Real estate | 2016 |
| ETC Urban Limited | Real estate | 2018 |
| Etc.M Limited | Education | 2024 |
| Etcaterva Ltd | Information & communication | 2020 |
| Etci Meathouse Ltd | Extraterritorial | 2016 |
| Etci Mehmet Birmingham Ltd | Hospitality | 2020 |
| Etci Mehmet Manchester Ltd | Hospitality | 2017 |
| Etcts CIC | Education | 2024 |
| Etebar Limited | Real estate | 2019 |
| Etem Global Ltd | Wholesale & retail | 2017 |
| Eternah UK Sales Ltd | Wholesale & retail | 2025 |
| Eternal Beauty (UK) Ltd | Wholesale & retail | 2013 |
| Eternal CLO Limited | Wholesale & retail | 2024 |
| Eternal Deceptions Ltd | Wholesale & retail | 2021 |
| Eternal Digital Marketing Ltd | Administrative & support | 2018 |
| Eternal Holdco Limited | Financial services | 2024 |
| Eternal Moment Films Limited | Professional & scientific | 2023 |
| Eternal Moments Jewellery Ltd | Information & communication | 2005 |
| Eternal Sunshine Limited | Administrative & support | 2019 |
| Eternal Time Limited | Extraterritorial | 2001 |
| Eternal Values Ltd | Professional & scientific | 2023 |
| Eternal VIP Concierge Ltd | Professional & scientific | 2025 |
| Eternalvault Ltd | Wholesale & retail | 2025 |
| Eternit Clay Tiles Limited | Professional & scientific | 1992 |
| Eternity Capital Management Limited | Administrative & support | 2012 |
| Eternity Investments Limited | Extraterritorial | 2014 |
| Eternity Ministries UK Ltd | Other services | 2015 |
| Eternity Property Ltd | Hospitality | 2021 |
| Eternova Ltd | Wholesale & retail | 2025 |
| Ethad Oliva Ltd | Wholesale & retail | 2025 |
| Ethan Allen Coaching Ltd | Education | 2026 |
| Ethan Retailers Limited | Wholesale & retail | 2016 |
| Ethenoid Plastics Limited | | 1964 |
| Ether Realm Global Trading Ltd | Extraterritorial | 2025 |
| Ethera Medical Ltd | Health & social care | 2026 |
| Ethereal Luxuries Ltd | Wholesale & retail | 2023 |
| Etherow Properties Limited | Real estate | 2022 |
| Ethica Partners Ltd | Administrative & support | 2021 |
| Ethical Apparel Limited | Wholesale & retail | 2022 |
| Ethical Assets Ltd | Real estate | 2022 |
| Ethical Debt Resolution Ltd | Administrative & support | 2024 |
| Ethical Mortgages & Financial Services Ltd | Financial services | 2004 |
| Ethics Applied Ltd | Professional & scientific | 2023 |
| Ethiopia Ltd | Wholesale & retail | 2024 |
| Ethnic Minority Enterprise Support Services Limited | Administrative & support | 2018 |
| Ethos Environmental Planning Limited | Professional & scientific | 2013 |
| Ethos Financial Solutions Ltd | Financial services | 1975 |
| Ethos Holistics Ltd | Health & social care | 2025 |
| Ethos Partnership Ltd | Health & social care | 2022 |
| Ethx Energy (Global) Limited | Professional & scientific | 2012 |