| Edmund Rowlands & SON Limited | Other services | 2015 |
| Ednyfed Property Ltd | Real estate | 2023 |
| Educate Care Ltd | Health & social care | 2021 |
| Educate Resourcing Ltd | Real estate | 2017 |
| Edward a Williams Ltd | Hospitality | 2006 |
| Edwards Bakery Specialists Limited | Manufacturing | 2019 |
| Edwards Haulage Ltd | Transport & logistics | 2023 |
| Edwards X Electrical Ltd | Construction | 2023 |
| Edwards-Mcginn (Holdings) Limited | Real estate | 2016 |
| EE Plumbing Heating & Renewable Energy Ltd | Construction | 2023 |
| EER Developments Limited | Real estate | 2006 |
| Eezee Timber and Landscape Ltd | Construction | 2021 |
| Eggab Resources Limited | Wholesale & retail | 2025 |
| EGM Hair Co Limited | Other services | 2025 |
| EGO Xcentric Ltd | Other services | 2006 |
| EID Decorations Ltd | Wholesale & retail | 2024 |
| Eirian Thomas Limited | Administrative & support | 2025 |
| EJZ Group Ltd | Hospitality | 2026 |
| EL Finchy Productions Ltd | Information & communication | 2024 |
| EL YAK CIC | Health & social care | 2025 |
| Eladie Limited | Health & social care | 2026 |
| Elder & Oakley Limited | Information & communication | 2003 |
| ELDER3D Ltd | Professional & scientific | 2018 |
| Electrical Compliance Ltd | Construction | 2017 |
| Electrics UK Partners Limited | Construction | 2016 |
| Electromec Limited | Construction | 2000 |
| ELEV8 Search Group Limited | Administrative & support | 2025 |
| Elevate Accountancy Ltd | Extraterritorial | 2025 |
| Elevate Accounting Ltd | Professional & scientific | 2023 |
| Elevate Comms Ltd | Other services | 2024 |
| Elevate Financial Limited | Professional & scientific | 2023 |
| Elevate Nootropics Ltd | Wholesale & retail | 2023 |
| Elevate Professional Ltd | Professional & scientific | 2023 |
| Elevate Property New Co Ltd | Real estate | 2025 |
| Elevate Recruitment Limited | Administrative & support | 2002 |
| Elevate Technical Solutions Limited | Manufacturing | 2024 |
| Elevated MINDS-TRANSFORM2PERFORM Limited | Professional & scientific | 2026 |
| Elevation Scaffold Group Ltd | Construction | 2025 |
| Elikajosh Limited | Administrative & support | 2022 |
| Elite Contractors Limited | Construction | 2020 |
| Elite Graphics Limited | Real estate | 2007 |
| Elite Heat Network Solutions Limited | Construction | 2022 |
| Elite Manufacturing Management Limited | Manufacturing | 2017 |
| Elite Shield Close Protection Limited | Administrative & support | 2025 |
| Elite Surfacing Ltd. | Construction | 2009 |
| Elite Wraps Ltd | Extraterritorial | 2014 |
| Elizabeth Louise Bridal Ltd | Wholesale & retail | 2015 |
| Elizabeth M J Jones Limited | Administrative & support | 2014 |
| Elizabethan Patio Doors Ltd | Construction | 2023 |
| Ellbay Properties Limited | Construction | 2007 |
| Ellenp Design Ltd | Professional & scientific | 2022 |
| Elliot and Stone Limited | Construction | 2008 |
| Elliot Brands Ltd | Wholesale & retail | 2024 |
| Ellis & Ellis Ltd | Real estate | 2021 |
| Ellis Chaplin Limited | Administrative & support | 2019 |
| Ellis Griffiths Ltd | Hospitality | 2019 |
| Ellis Safety Services Ltd | Public administration | 2020 |
| Ellis's Darts Ltd | Administrative & support | 2025 |
| Ellisbrosdevelopments Ltd | Construction | 2014 |
| Ellison Europe Limited | Manufacturing | 2007 |
| Ellison Holdings NW Ltd | Financial services | 2026 |
| Ellison Marketing Limited | Professional & scientific | 2003 |
| Ellison Property (NW) Limited | Real estate | 2024 |
| Ellkat Brokers Limited | Financial services | 2020 |
| Elsabi Limited | Real estate | 2020 |
| Elsteel UK Limited | Manufacturing | 2000 |
| Elsworth Associates Limited | Financial services | 2009 |
| Emacity Limited | Wholesale & retail | 2016 |
| Embedsafety Ltd | Construction | 2024 |
| EME Decorators Limited | Construction | 2018 |
| Emerem Limited | Wholesale & retail | 2024 |
| Emerge Community Arts | Health & social care | 2014 |
| Emerjy Ltd | Wholesale & retail | 2025 |
| Emix UK Trading Ltd | Wholesale & retail | 2024 |
| Emka Healthy OIL Ltd | Manufacturing | 2021 |
| Emma Louise Aesthetics Ltd | Other services | 2019 |
| Emma Waddington Ltd | Wholesale & retail | 2020 |
| Emtech Technical Solutions Ltd | Manufacturing | 2004 |
| Enchanted Forest Coffee Ltd | Manufacturing | 2024 |
| Encore Computers Limited | Other services | 2010 |
| Energy Action Hub CIC | Professional & scientific | 2026 |
| Engagewealth Ltd | Administrative & support | 2011 |
| Engepa Ltd | Education | 2019 |
| Enhance Telecom Ltd | Manufacturing | 2014 |
| Enhanced by Hair Ltd | Other services | 2024 |
| Enoch's Limited | Hospitality | 2000 |
| ENS Innovation Centre Limited | Professional & scientific | 2016 |
| Entrec Group Holdings Limited | Other services | 2025 |
| Entrec Holdings Limited | Financial services | 2011 |
| Entrec Limited | Water & waste | 2004 |
| Envirosips Limited | Construction | 2008 |
| Envy Studio Limited | Other services | 2024 |
| EOS Health & Wellness Ltd | Health & social care | 2025 |
| Equatic Limited | Professional & scientific | 2009 |
| Equi Directory Services Limited | Hospitality | 2017 |
| Equine Veterinary Wellness Clinic Limited | Professional & scientific | 2021 |
| EQX Ltd | Manufacturing | 2023 |
| ER Geotech Ltd | Professional & scientific | 2013 |
| Erddig Developments Ltd | Construction | 2007 |
| Erddig Properties Ltd | Real estate | 2022 |