| Elkington and Fife LLP | | 2004 |
| Ella Elizabeth Ltd | Information & communication | 2026 |
| Ellan Biotics Group Ltd | Manufacturing | 2024 |
| Ellery Property Investment Ltd | Real estate | 2022 |
| Ellesmere Property Management Limited | Real estate | 2014 |
| Elliott Construction & Landscaping Ltd | Construction | 2022 |
| Elliott House Residents' Association Limited | Households | 1984 |
| Ellipsis Solutions Limited | Professional & scientific | 2023 |
| Ellmill Ltd | Other services | 2023 |
| Ellson Estates (Fargate) Ltd | Real estate | 2022 |
| Ellson Estates Ltd | Real estate | 2022 |
| Ellto Property Ltd | Real estate | 2024 |
| Elmora Holdings Ltd | Financial services | 2025 |
| Elmstead Mechanical Limited | Financial services | 2003 |
| Elmstead Mechanical Services Limited | Construction | 1980 |
| Elmwood Vehicles Limited | Wholesale & retail | 2004 |
| Elses Farm Management Limited | Households | 2002 |
| Elton Liku Limited | Manufacturing | 2015 |
| Elucian Limited | Information & communication | 2011 |
| Elva Luxury Travel Ltd | Administrative & support | 2014 |
| ELY Solutions Limited | Professional & scientific | 2009 |
| Elysian Sevenoaks Operating Company Ltd | Real estate | 2018 |
| Embarcadero SA Limited | Real estate | 2017 |
| Ember Consultancy LLP | | 2014 |
| Emblem Pictures Limited | Information & communication | 2022 |
| Embleton Electrical Services Limited | Construction | 2007 |
| EMC Property Lettings Limited | Real estate | 2023 |
| Emclanoly Ltd | Wholesale & retail | 2025 |
| Emerald Rise Limited | Professional & scientific | 2024 |
| Emica Services Limited | Construction | 2017 |
| Emili-Jo Hone Limited | Professional & scientific | 2019 |
| Emma Adams Projects Limited | Professional & scientific | 2005 |
| Emma and Katrina LLP | | 2013 |
| Emma Grossmith Photography Ltd | Professional & scientific | 2013 |
| Emma Humphreys Communications Ltd | Professional & scientific | 2017 |
| Emma.Tv Ltd | Professional & scientific | 2023 |
| Emotion Speaks Ltd | Health & social care | 2025 |
| Emperor Technology Ltd | Information & communication | 2024 |
| Empire Barber Borough Green Ltd | Other services | 2022 |
| EN Plus UK Ltd. | Wholesale & retail | 2022 |
| ENABLE8 Solutions Ltd | Information & communication | 2025 |
| Enableon Debt Access Limited | Financial services | 2025 |
| Endurance by Nature Ltd | Professional & scientific | 2017 |
| Energy Transition Forum Limited | Professional & scientific | 2016 |
| Energyformat Limited | Extraterritorial | 2004 |
| Engineered Wood Solutions Ltd | Manufacturing | 2018 |
| Enigma Air Conditioning Ltd | Construction | 2026 |
| Enjura Software Limited | Information & communication | 2002 |
| Enkay Investments Limited | Financial services | 2015 |
| Enta Projects Ltd | Professional & scientific | 2023 |
| Enterprise Centres Holdings Limited | Financial services | 2009 |
| Entrepreneurial Solutions Limited | Financial services | 2013 |
| Environmental Remediation Services Limited | Professional & scientific | 2008 |
| Envirotech International Group Limited | Water & waste | 2021 |
| Envirotech International Limited | Manufacturing | 2018 |
| Eonel Ltd | Manufacturing | 2025 |
| Eota Ltd | Construction | 2023 |
| EP E-Commerce Ltd | Wholesale & retail | 2024 |
| EPD Services Limited | Professional & scientific | 2017 |
| Epicurus House Limited | Construction | 1998 |
| Epiphanaut Ltd | Professional & scientific | 2025 |
| Epoch Titanium Ltd | Wholesale & retail | 2018 |
| Epoxydrip Ltd | Construction | 2025 |
| Epqs Trading Ltd | Professional & scientific | 2023 |
| EQM Squared Limited | Construction | 2013 |
| Equal Chance Limited | Health & social care | 2019 |
| Equater Limited | Information & communication | 2022 |
| Equiax Limited | Manufacturing | 2007 |
| Equifinance Second Charge Loan (NO.2) LP | | 2012 |
| Equifinance Second Charge Loan Limited Partnership | | 2013 |
| Equine Dentistry Referrals Limited | Professional & scientific | 2018 |
| Eramol (UK) Ltd | Manufacturing | 2013 |
| Eramol Group Holdings Ltd | Financial services | 2021 |
| Eramol Therapeutics Limited | Manufacturing | 2021 |
| Erase a Dent Ltd | Wholesale & retail | 2011 |
| ERG Chigaga Limited | Administrative & support | 2014 |
| Ergo Consulting Ltd | Professional & scientific | 2023 |
| Eric Properties Ltd | Real estate | 2021 |
| Erith Residency Ltd | Construction | 2025 |
| Erkera Ltd | Real estate | 2025 |
| Erkn Limited | Wholesale & retail | 2017 |
| Erom Innovation Ltd | Professional & scientific | 2024 |
| Ersh Ltd | Wholesale & retail | 2023 |
| ES Testing Ltd. | Administrative & support | 2026 |
| ESL Lifting Gear Hire Limited | Administrative & support | 2020 |
| Esma Services Limited | Construction | 2023 |
| Esme Engineering Limited | Construction | 2015 |
| Esource Limited | Information & communication | 2019 |
| Espace Airconditioning Limited | Manufacturing | 1998 |
| Espace Properties Limited | Real estate | 2025 |
| Essar Investments Limited | Financial services | 2016 |
| Estate Angel Limited | Real estate | 2025 |
| Estia Property Solutions Limited | Real estate | 2019 |
| Estmanco (Glimpsing Green) Limited | Households | 1980 |
| Estrada Planning Ltd | Professional & scientific | 2024 |
| Esupport Consultancy Ltd | Administrative & support | 2007 |
| ETE Properties Ltd | Construction | 2017 |
| Ethicleen Ltd | Administrative & support | 2020 |
| Ettington Park Group Limited | Real estate | 1984 |
| Euromotors 'a' Trustees Limited | Other services | 2022 |