| Engroove Ltd | Wholesale & retail | 2021 |
| Engwrote Ltd | Wholesale & retail | 2025 |
| Enhance Coaching Ltd. | Professional & scientific | 2014 |
| Enhance Fire Service Ltd | Public administration | 2025 |
| Enhance Medical Services Ltd | Health & social care | 2018 |
| Enhanced Home Improvements Limited | Construction | 2019 |
| Enigma Care Services Ltd | Health & social care | 2020 |
| Enigma Technology Appointments Limited | Administrative & support | 2015 |
| Enis.Kuka Ltd | Construction | 2019 |
| Enitiate Ltd | Wholesale & retail | 2021 |
| ENJ Property Developers Ltd | Construction | 2025 |
| Enjaz Digital Services Limited | Information & communication | 2018 |
| Enjisabbagh Academy Ltd | Professional & scientific | 2025 |
| Enjoi Holdings Limited | Wholesale & retail | 2022 |
| Enjoyable Mind Consultancy Limited | Administrative & support | 2019 |
| Enki Properties Ltd | Real estate | 2016 |
| Enkitech Solutions Limited | Information & communication | 2018 |
| Enlightgirl Ltd | Wholesale & retail | 2025 |
| Enlil Trading Ltd | Real estate | 2016 |
| Enlivens Trading Ltd | Wholesale & retail | 2026 |
| Enloubar Property Services Ltd | Construction | 2019 |
| Enmore Construction Limited | Construction | 2016 |
| Ennis Estates Limited | Real estate | 2024 |
| Ennstone Concrete Products Limited | Manufacturing | 1933 |
| Enobil Ltd | Wholesale & retail | 2024 |
| Enoturn | Professional & scientific | 2025 |
| Enovant Technologies Holdings Limited | Financial services | 2018 |
| Enovia Services Ltd | Wholesale & retail | 2026 |
| Enquin Environmental Limited | Professional & scientific | 2002 |
| Enquin Limited | Professional & scientific | 1996 |
| Enrgy One Ltd | Information & communication | 2019 |
| Enrich Email Ltd | Information & communication | 2025 |
| Enrique Specialist Tiling Ltd | Construction | 2026 |
| Enro Supplies Limited | Administrative & support | 2004 |
| Enroc Energy Solutions Ltd | Professional & scientific | 2022 |
| Enrol Group Ltd | Information & communication | 2020 |
| Ensco 1443 Limited | Professional & scientific | 2022 |
| Ensemble Performing Arts Limited | Arts & recreation | 2016 |
| Ensiferum Limited | Administrative & support | 2017 |
| Ensor Clothing Ltd | Manufacturing | 2025 |
| ENT Holdings Limited | Financial services | 2019 |
| Entclem Limited | Agriculture & fishing | 2023 |
| Enter Recruiting Ltd | Administrative & support | 2018 |
| Enterfoods Ltd | Wholesale & retail | 2024 |
| Enterprise Engineering (Stockport) Limited | | 1980 |
| Enterprise National College Ltd | Education | 2017 |
| Enterprise Professional Services Limited | Professional & scientific | 2017 |
| Enterprise Rich Ltd | Administrative & support | 2011 |
| Enterprise Starter | Information & communication | 2016 |
| Enterprises A&M Limited | Professional & scientific | 2023 |
| Entertainment 51 Limited | Arts & recreation | 2017 |
| Entertainment Guarantors.London Ltd | Information & communication | 2019 |
| Enterteimentgroup Ltd | Wholesale & retail | 2024 |
| Enthusiasm Events Limited | Administrative & support | 2017 |
| Entice Energy Supply Limited | Energy | 2015 |
| Entire Aero Solutions Limited | Manufacturing | 2021 |
| Entire Contractors Limited | Construction | 2016 |
| Entire Group Home Ltd | Construction | 2016 |
| Entire Inc. Limited | Arts & recreation | 2021 |
| Entire Performance Coaching Limited | Arts & recreation | 2021 |
| Entirely New Development Limited | Professional & scientific | 2014 |
| Entity Communications Limited | Professional & scientific | 2007 |
| Entity Xpert Ltd | Administrative & support | 2025 |
| Entorao Recruits Ltd | Other services | 2019 |
| Entre Nous MDC Ltd | Hospitality | 2021 |
| Entre Nous Network Ltd | Hospitality | 2021 |
| Entrepreneurs House Ltd | Professional & scientific | 2020 |
| Entropy VFX UK Ltd | Information & communication | 2025 |
| Entrospace Ltd | Wholesale & retail | 2019 |
| Entrust Roofing Ltd | Construction | 2026 |
| Entrust US Limited | Information & communication | 2019 |
| Entum Ltd | Wholesale & retail | 2018 |
| Enun Ltd | Wholesale & retail | 2024 |
| Envarra Tech Limited | Professional & scientific | 2025 |
| Envbtc.Com Ltd | Financial services | 2021 |
| Envicblue International Ltd | Wholesale & retail | 2023 |
| Envigio Ltd | Information & communication | 2024 |
| Enviro Trading Ltd | Wholesale & retail | 2021 |
| Enviro-Switch Limited | Other services | 2020 |
| Envirobalance Technologies Limited | Professional & scientific | 2018 |
| Environmental Refurb and Demolition Limited | Construction | 2013 |
| Enviroquip Limited | Professional & scientific | 1998 |
| Envisage Beds UK Ltd | Manufacturing | 2020 |
| Envisage Envelope Solutions Ltd | Construction | 2020 |
| Envisage Maintenance Limited | Construction | 2022 |
| Envision Events Ltd | Arts & recreation | 2016 |
| Envision Plumbing and Heating Ltd | Construction | 2019 |
| Envitech Ltd | Manufacturing | 1989 |
| Envy Creative Limited | Information & communication | 2020 |
| Enwei Estate Limited | Real estate | 2021 |
| ENY Digital Ltd | Wholesale & retail | 2024 |
| Enyaq Ltd | Wholesale & retail | 2024 |
| Enzeg Solutions Ltd | Professional & scientific | 2023 |
| Enzo Ulozaite Limited | Information & communication | 2014 |
| Enzolt Developments Ltd | Construction | 2025 |
| Eolas Consulting Limited | Information & communication | 2002 |
| EON Group Ltd | Other services | 2019 |
| Eoovi Video Technologies Limited | Information & communication | 2020 |
| Eopoldnell Limited | Manufacturing | 2023 |
| EOS Kernel Limited | Information & communication | 2025 |