| Essra Ridha Consultancy Limited | Health & social care | 2024 |
| Estate Lease and Management Ltd | Real estate | 2019 |
| Esther Stanhope Limited | Professional & scientific | 2014 |
| Esti Restaurant Ltd | Hospitality | 2021 |
| Estrela Ltd | Arts & recreation | 2024 |
| Estrella Consultancy & Construction Ltd | Construction | 2024 |
| ESY Services Ltd | Administrative & support | 2018 |
| ET Transport (London) Limited | Transport & logistics | 2017 |
| Et-L (GB) Investment Holdings Limited | Professional & scientific | 2015 |
| Et-L Properties Limited | Real estate | 2015 |
| Etana Global Ltd | Other services | 2024 |
| Eterna Property Enterprises Ltd | Real estate | 2025 |
| ETN Trade Ltd | Construction | 2018 |
| ETX Borehamwood Limited | Wholesale & retail | 2023 |
| EU Signs Limited | Manufacturing | 2009 |
| Euniquemo Ltd | Information & communication | 2021 |
| Eunoia Props Limited | Construction | 2014 |
| Eureka Extreme Ltd | Health & social care | 2019 |
| Euro Exim Bank Limited | Financial services | 2011 |
| Euro Exim Holdings Ltd | Professional & scientific | 2017 |
| Euro Steel Connection Ltd | Manufacturing | 2018 |
| Euro TCS Systems Ltd | Administrative & support | 2008 |
| Euromaya Ltd | Transport & logistics | 2021 |
| Euromet Limited | Professional & scientific | 1998 |
| Europa House Residents Limited | Real estate | 1994 |
| Eurostaff Personnel Limited | Administrative & support | 1979 |
| Eurotube Leasing Limited | Administrative & support | 2009 |
| EV Carriages Ltd | Transport & logistics | 2022 |
| EVA Actuarial & Accounting Consultants Limited | Financial services | 2011 |
| Evelyn Productions Limited | Arts & recreation | 2012 |
| Evenpane Ltd | Professional & scientific | 2024 |
| Event Xpress Ltd | Administrative & support | 2017 |
| Eventcover Productions Limited | Other services | 1991 |
| Everden Capital Investments Limited | Real estate | 2026 |
| Everden Capital Partners Limited | Real estate | 2026 |
| Everest Properties Limited | Real estate | 2003 |
| Evergreen Capital Property Limited | Real estate | 2025 |
| Every Good BOY Ltd | Arts & recreation | 2019 |
| Everypaw Limited | Extraterritorial | 1997 |
| Everything in Stripes Limited | Arts & recreation | 2016 |
| EVO Nine. Limited | Information & communication | 2003 |
| Evoltlution Electrical Contractors Ltd | Construction | 2022 |
| Evolution Fasteners (Holdings) Limited | Wholesale & retail | 2020 |
| Evolution Fasteners (UK) Limited | Wholesale & retail | 2000 |
| Evolution Preschools and Nurseries Limited | Education | 2014 |
| Evolution Sports Rights Limited | Arts & recreation | 2023 |
| Evolve Gym Ltd. | Arts & recreation | 2017 |
| EVOLVE360 Consulting Ltd | Extraterritorial | 2024 |
| Evpk Limited | Construction | 2019 |
| Evycon Group Ltd | Construction | 2026 |
| Ewan & Co LLP | | 2009 |
| Ewing OIL Limited | Real estate | 2023 |
| EX Military Recruitment Ltd | Administrative & support | 2013 |
| Exalted Brickwork Ltd | Construction | 2015 |
| Excalibur Ventures Ltd | Information & communication | 2025 |
| Excellent Consulting Ltd | Professional & scientific | 2022 |
| Excellent Health (UK) Limited | Health & social care | 2012 |
| Excellikedanni Ltd | Professional & scientific | 2026 |
| Excelmart Limited | Hospitality | 1998 |
| Excelsior Hotel Annexes Limited | Hospitality | 1998 |
| Exceptional Beauties Limited | Wholesale & retail | 2026 |
| Exceptional Bright Welfare Ltd | Other services | 2017 |
| Exceptional Care at Home Limited | Health & social care | 2019 |
| Exceptionally Clean Services Ltd | Administrative & support | 2020 |
| Exclusive Retail Ltd | Wholesale & retail | 2014 |
| Exclusivecircle Limited | Health & social care | 2022 |
| Exec Medic Limited | Education | 2013 |
| Exec Property (UK) Limited | Real estate | 2018 |
| Executive Leaders Ltd | Professional & scientific | 2013 |
| Exemplar Acquisition Solutions Limited | Information & communication | 2024 |
| Exotechnic Corporation (UK) Limited | Information & communication | 2003 |
| EXP Realty Ltd | Real estate | 2020 |
| Experience Overload Ltd | Wholesale & retail | 2026 |
| Experience UK Events Ltd | Arts & recreation | 2023 |
| Expert Constuct Ltd | Construction | 2026 |
| Expert Lending Limited | Financial services | 2024 |
| Expert Lending One Limited | Financial services | 2025 |
| Expert Lending Three Limited | Financial services | 2026 |
| Expert Lending Two Limited | Financial services | 2025 |
| Expert Vending Logistics Ltd | Professional & scientific | 2014 |
| Explorator Group Limited | Financial services | 2019 |
| Explore Trading Limited | Administrative & support | 2019 |
| EXS Productions Limited | Information & communication | 2023 |
| Extra Pear Ltd | Administrative & support | 2023 |
| Extreme Holidays Ltd | Administrative & support | 2013 |
| EYE for Wood Limited | Construction | 2014 |
| Eyecloud Dalston Ltd | Wholesale & retail | 2026 |
| Eyedeal Optics Hammersmith Limited | Wholesale & retail | 2007 |
| Eyekew Limited | Health & social care | 2006 |
| Ezio Partners Ltd | Health & social care | 2021 |
| Ezri Strategic Consultancy Ltd | Professional & scientific | 2023 |
| F & a Property Limited | Real estate | 2018 |
| F a LEE & Co Limited | Professional & scientific | 2012 |
| F D Services Fulham Ltd | Construction | 2022 |
| F Martin (Letchworth) Ltd | Real estate | 1975 |
| F&I Online Ltd | Financial services | 2015 |
| F&L General Constructions Ltd | Construction | 2022 |
| F&M Property Ltd | Real estate | 2024 |
| F.I.T. Industries Limited | Real estate | 1991 |
| F.S Realty Enterprise Ltd | Real estate | 2023 |