| Elmarz Financial Ltd | Financial services | 2026 |
| Elmcore Doors Limited | Extraterritorial | 2022 |
| Elmcore Joinery Limited | Extraterritorial | 2022 |
| Elmham Clinical Services Limited | Health & social care | 2008 |
| Elmhurst Property Ltd | Real estate | 2024 |
| Elmtree Beers Ltd | Manufacturing | 2016 |
| Eloe Studio Limited | Professional & scientific | 2018 |
| Eloquence Services Limited | Health & social care | 2015 |
| Elorac Holdings Limited | Wholesale & retail | 2020 |
| Elorac Projects Limited | Information & communication | 2023 |
| Elsey Properties Limited | Real estate | 2017 |
| Elshar Ltd | Administrative & support | 2026 |
| Elsted Marine Ltd | Wholesale & retail | 2014 |
| Eltek Semi Conductors Limited | Extraterritorial | 1981 |
| Elton & Co Ltd | Professional & scientific | 2023 |
| ELV Plastering Ltd | Construction | 2021 |
| Elvin & Curtis Contractors Ltd. | Construction | 1999 |
| Elvin Property Developments Ltd. | Construction | 2006 |
| Elvins Car Garage Ltd | Professional & scientific | 2025 |
| Elvins Limited | Wholesale & retail | 2005 |
| Elwyn House Limited | Other services | 1990 |
| ELY (Bishop's Place) Management Company Limited | Households | 2005 |
| Elyon by Josika George Ltd | Real estate | 2023 |
| Elysium Contractors Limited | Professional & scientific | 2016 |
| Elysium Norwich Ltd | Wholesale & retail | 2024 |
| Elysium Talent Search Limited | Extraterritorial | 2018 |
| EM CEM Ltd | Professional & scientific | 2014 |
| EM Cosmetic Clinic Ltd | Other services | 2024 |
| EM Enterprise International Limited Ltd | Professional & scientific | 2015 |
| EM-3 Sports Ltd | Arts & recreation | 2013 |
| Emaad 1 Ltd | Professional & scientific | 2015 |
| Emandem Limited | Professional & scientific | 1999 |
| Ember Films Limited | Information & communication | 2010 |
| Ember Solutions (EA) Ltd | Manufacturing | 2024 |
| Ember Wealth Ltd | Financial services | 2024 |
| Emberforge Limited | Administrative & support | 2024 |
| Emberley Manor Properties Ltd | Real estate | 2019 |
| Emberway Consulting Ltd | Professional & scientific | 2026 |
| Emblem Hire Limited | Other services | 2017 |
| Embr Candles Ltd | Wholesale & retail | 2024 |
| Embrace PFC CIC | Administrative & support | 2016 |
| Embracing Nature Ltd | Wholesale & retail | 2022 |
| EMC Trade Centre Limited | Wholesale & retail | 2021 |
| Emerald Homes and Property Management Ltd. | Real estate | 2017 |
| Emerald Restorations Limited | Wholesale & retail | 2011 |
| Emerald Sea Energy Limited | Professional & scientific | 2012 |
| Emerald Stirling Group Limited | Wholesale & retail | 2020 |
| Emerald Tree Specialists Ltd | Agriculture & fishing | 2013 |
| Emergency MED Services Ltd | Health & social care | 2022 |
| Emerson Chase Process Engineering Recruitment Ltd | Administrative & support | 2009 |
| Emerson Estates & Lettings Ltd | Real estate | 2024 |
| Emery Reeds Limited | Real estate | 1998 |
| EMF Aviation Quality & Safety Services Ltd | Manufacturing | 2012 |
| EMI EDA CIC | Arts & recreation | 2021 |
| Emiko Professional Services Ltd | Health & social care | 2019 |
| Emily Rose Photography Ltd | Professional & scientific | 2022 |
| Emilylouisa Landscapes Limited | Professional & scientific | 2012 |
| Emiravault Ltd | Wholesale & retail | 2026 |
| EMJ Solutions Limited | Professional & scientific | 2013 |
| Emjack Ltd | Agriculture & fishing | 2004 |
| Emkay Plastics Limited | Wholesale & retail | 2000 |
| Emkay Trustee Limited | Financial services | 2025 |
| Emlad Limited | Administrative & support | 2026 |
| EMM Homes Ltd | Real estate | 2024 |
| Emma Bell Design Limited | Professional & scientific | 2017 |
| Emma Greengrass & Sharn PYE Limited | Other services | 2015 |
| Emma Griffin Historian Ltd | Education | 2018 |
| Emma Healey Limited | Information & communication | 2013 |
| Emma Trick Legal Consultancy Ltd | Professional & scientific | 2025 |
| Emma Wise Limited | Administrative & support | 2024 |
| Emms Court Management Limited | Households | 2013 |
| EMO Cleaning Services Ltd | Administrative & support | 2024 |
| Emoh Consulting Limited | Professional & scientific | 2022 |
| Empanda Care & Support Ltd CIC | Health & social care | 2016 |
| Empex Digital Ltd | Information & communication | 2025 |
| Empire Barbers Norwich Limited | Other services | 2024 |
| Empire Carpets and Floors Ltd | Construction | 2023 |
| Empire Clothing.Uk (Online) Ltd | Wholesale & retail | 2020 |
| Empire Manufacturing Limited | Manufacturing | 2007 |
| Empire PH Ltd | Hospitality | 2016 |
| Empire PH Property Ltd | Real estate | 2021 |
| Empire Properties Norfolk Ltd | Real estate | 2021 |
| Empire Tiling Contractors Limited | Construction | 2014 |
| Emporium Norwich Ltd | Wholesale & retail | 2020 |
| Emporium Scents Ltd | Wholesale & retail | 2025 |
| Empower Accountancy (Norwich) Ltd | Professional & scientific | 2011 |
| Empower Services Limited | Construction | 2006 |
| Empowher Fitness Limited | Arts & recreation | 2023 |
| Empresa Limited | Information & communication | 2000 |
| Empresario Motors Ltd | Wholesale & retail | 2023 |
| Empress Productions Ltd | Arts & recreation | 2023 |
| Ems-Pics Limited | Other services | 2017 |
| Emsar Commercial Limited | Real estate | 1998 |
| En-Te Ltd | Professional & scientific | 2020 |
| En:Able Futures Community Interest Company | Education | 2013 |
| Enaca Properties Limited | Real estate | 2025 |
| ENC Developments Limited | Real estate | 2015 |
| Enchanted Mirror Booth Ltd | Professional & scientific | 2019 |
| END 2 END Fibre Solutions Ltd | Information & communication | 2020 |
| Endear Care Ltd | Health & social care | 2025 |