| Evricampus Ltd | Information & communication | 2026 |
| EW360 Ltd | Wholesale & retail | 2026 |
| EX Services (UK) Limited | Professional & scientific | 1991 |
| EX WHY ZED Group Ltd | Real estate | 2022 |
| Exact Framing Solutions Limited | Construction | 2013 |
| Exall Building Company Limited | Construction | 1991 |
| Exalt International Ltd | Health & social care | 2019 |
| Exaltra Ltd | Information & communication | 2000 |
| Examination Holdings Ltd | Extraterritorial | 2023 |
| Exbrind Limited | Real estate | 1996 |
| Excalibur OIL Limited | Mining & quarrying | 2015 |
| Excape-Hatch Ltd | Information & communication | 2021 |
| Excel Autos Ltd | Wholesale & retail | 2018 |
| Excel Electrical Services Ltd. | Construction | 2000 |
| Excel Fulfilment Ltd | Wholesale & retail | 2016 |
| Excel Gift and Trading Ltd | Wholesale & retail | 2013 |
| Excel Mortgage Services Ltd | Financial services | 2007 |
| Excel Roofing & Cladding Ltd | Construction | 2021 |
| Excelerate Health Ltd | Other services | 2026 |
| Excellence Prestige Ltd | Wholesale & retail | 2016 |
| Exceptional Catering Ltd | Hospitality | 2018 |
| Exchange Street Buildings Limited | Real estate | 2021 |
| Exclusive Products Limited | | 1983 |
| Exclusive Trading Transports Limited | Transport & logistics | 2024 |
| Exec Serve Limited | Financial services | 2007 |
| Execellence Limited | Administrative & support | 2002 |
| Execucare Ltd | Administrative & support | 2012 |
| Execucare Online Ltd | Administrative & support | 2012 |
| Execucare Search & Selection Ltd | Administrative & support | 2012 |
| Executive Abodes Ltd. | Real estate | 2023 |
| Executive Accountancy & Management Services Ltd | Professional & scientific | 2020 |
| Executive Management Ltd | Other services | 2015 |
| Exeid Norwich Ltd | Real estate | 2014 |
| Exel Fencing Solutions Limited | Construction | 2013 |
| Exercise 4U Ltd | Arts & recreation | 2025 |
| Exercising People in Communities (Epic) Norfolk Ltd | Arts & recreation | 2018 |
| Exhale Fitness Limited | Arts & recreation | 2018 |
| Exheat Group Limited | Professional & scientific | 2014 |
| Exheat Industrial Limited | Manufacturing | 1992 |
| Exheat Limited | Manufacturing | 1991 |
| Exheat Propco Limited | Professional & scientific | 2014 |
| Exige Clean Limited | Administrative & support | 2010 |
| Eximo Prolu Ltd | Water & waste | 2019 |
| Exning Estate Company Limited | Agriculture & fishing | 1929 |
| EXO Engineering INT. Ltd | Manufacturing | 2022 |
| EXO Environmental Ltd | Water & waste | 2014 |
| EXO Marine Ltd | Manufacturing | 2020 |
| Exobyte Ltd | Information & communication | 2018 |
| Exocetus Limited | Manufacturing | 2012 |
| Exoflue Limited | Construction | 2010 |
| Exotic Designs Limited | Extraterritorial | 2022 |
| Expansion Engines Limited | Manufacturing | 2015 |
| Expat Link Ltd | Financial services | 2024 |
| Expatriate Management Services Limited | Administrative & support | 2003 |
| Expecting Skincare Limited | Wholesale & retail | 2024 |
| Expensivejpeg Ltd | Professional & scientific | 2022 |
| Experience Growth Online Ltd | Information & communication | 2020 |
| Expert Print Management Ltd | Manufacturing | 2011 |
| Explio Ltd | Professional & scientific | 2018 |
| Explore Adventure UK Ltd | Education | 2024 |
| Exposur Ltd | Other services | 2021 |
| Express Insure Limited | Financial services | 2015 |
| Express Rewinds Limited | Manufacturing | 2019 |
| Expresso by Sterling Limited | Hospitality | 2025 |
| Expresstrack Limited | Administrative & support | 2008 |
| Exquisite Trimmings Ltd. | Wholesale & retail | 2012 |
| External Accounting Limited | Extraterritorial | 2012 |
| External Accounts Limited | Professional & scientific | 2015 |
| External Accounts Services Limited | Extraterritorial | 2017 |
| External Director Limited | Extraterritorial | 2022 |
| External Legal LLP | | 2017 |
| External Legal Services Limited | Extraterritorial | 2017 |
| External Limited | Real estate | 2015 |
| External Nominees Limited | Extraterritorial | 2010 |
| External Officer Limited | Extraterritorial | 2010 |
| External Secretary Limited | Extraterritorial | 2022 |
| External Services Limited | Professional & scientific | 2008 |
| External Trustees Limited | Extraterritorial | 2012 |
| Extra Hands of Heacham Ltd | Health & social care | 2002 |
| Extraordinary Communities CIC | Education | 2023 |
| Extreme Connections Limited | Construction | 2006 |
| Extreme Labourers Limited | Construction | 2023 |
| Extreme Trading (UK) Ltd | Wholesale & retail | 2003 |
| Extreme Video Limited | Professional & scientific | 1998 |
| Extremevapour Ltd | Wholesale & retail | 2018 |
| Exwater (UK) Ltd | Professional & scientific | 2005 |
| EYE Film and Television Limited | Information & communication | 1973 |
| EYE in the Sky Drone Services Limited | Professional & scientific | 2026 |
| EYE to Smile Ltd | Health & social care | 2012 |
| Eye-Q Optical Services Ltd | Other services | 2025 |
| Eyebridge Limited | Health & social care | 2017 |
| Eyebridge Properties Ltd | Real estate | 2022 |
| Eyecare (Norfolk) Ltd | Health & social care | 2002 |
| Eyeco Limited | Wholesale & retail | 2021 |
| Eyecomply Ltd | Administrative & support | 2017 |
| Eyeronic Limited | Information & communication | 2009 |
| Eyesite EYE Professionals Limited | Health & social care | 2026 |
| Eyre A.C. Limited | Professional & scientific | 2012 |
| Eyre Building Services Group Limited | Construction | 1964 |
| Eyre Mechanical & Electrical Limited | Professional & scientific | 2012 |