| Dynamic Impressions Limited | Manufacturing | 2003 |
| Dynamic Property Development (EA) Limited | Construction | 2021 |
| Dynamic Signage Ltd | Information & communication | 2024 |
| Dynamic Sports Clothing Limited | Wholesale & retail | 2015 |
| Dynamic Trophies Limited | Wholesale & retail | 2014 |
| Dynamic Workwear Limited | Wholesale & retail | 2014 |
| Dynamite Engineering Limited | Manufacturing | 2024 |
| Dyrrah Ltd | Hospitality | 2018 |
| Dyvine Ltd | Wholesale & retail | 2022 |
| Dzerve Aesthetics Ltd | Health & social care | 2019 |
| E & C Consultants Limited | Professional & scientific | 2004 |
| E & E J Andrews Limited | Agriculture & fishing | 1947 |
| E & H Property Solutions Ltd | Real estate | 2019 |
| E & T Construction ( Norwich ) Ltd | Construction | 2018 |
| E a Fasteners Limited | Wholesale & retail | 2010 |
| E Dining Limited | Hospitality | 2016 |
| E G Grounds Care Limited | Administrative & support | 2013 |
| E H Cockerton Limited | Financial services | 2017 |
| E J Barrett Services Limited | Wholesale & retail | 2022 |
| E J Plumb Limited | Financial services | 2021 |
| E J R Motors Limited | Wholesale & retail | 2017 |
| E M S Clinical Psychology Services Ltd | Health & social care | 2021 |
| E R Residentials Limited | Real estate | 2022 |
| E&A Norfolk Properties Limited | Real estate | 2024 |
| E&J Holdings Ltd | Financial services | 2025 |
| E&J Taxis Ltd | Transport & logistics | 2025 |
| E&L Cleaning Company Limited | Administrative & support | 2025 |
| E&M Jones Holdings Ltd | Financial services | 2026 |
| E-Broad Ltd | Wholesale & retail | 2021 |
| E-Learn Training Limited | Education | 2019 |
| E-Lime Trading Ltd | Manufacturing | 2011 |
| E-Mrm Ltd | Professional & scientific | 2008 |
| E-Quality Lifts Limited | Manufacturing | 2023 |
| E-Type Restoration Ltd | Wholesale & retail | 2020 |
| E-Zee Insurance Solutions Limited | Information & communication | 2008 |
| E. P.P. Magnus Limited | Wholesale & retail | 1998 |
| E. Williams Projects Limited | Professional & scientific | 2017 |
| E.F.Harrold Limited | Agriculture & fishing | 1955 |
| E.H.Wenn(Happisburgh)Limited | Real estate | 1961 |
| E.J.P. Interests Limited | Health & social care | 1985 |
| E.K.S Living Clean Ltd. | Administrative & support | 2010 |
| E.L.P Property Group Ltd | Real estate | 2025 |
| E.N.D. & SON Engineers Limited | Manufacturing | 1978 |
| E.R.Crane & Co. Limited | Agriculture & fishing | 1959 |
| E.R.Eglington Limited | Agriculture & fishing | 1956 |
| E.R.K Systems Limited | Information & communication | 2021 |
| E.R.Leisure & Restuarants Limited | Professional & scientific | 2006 |
| E.S.T.S. Ltd | Manufacturing | 1998 |
| E.V. Offshore Limited | Mining & quarrying | 2000 |
| E13 Enterprises Ltd | Hospitality | 2019 |
| E2 Associates Limited | Professional & scientific | 2014 |
| E31 Events Limited | Other services | 2018 |
| E4 Waste Clearance Services Ltd | Water & waste | 2021 |
| E75 Ltd | Wholesale & retail | 2015 |
| EA Business Consulting Limited | Professional & scientific | 2024 |
| EA Business Projects 2 Limited | Extraterritorial | 2024 |
| EA Business Projects 3 Limited | Extraterritorial | 2024 |
| EA Cctv Ltd | Real estate | 2024 |
| EA Construction Consultants Ltd | Construction | 2020 |
| EA Contracting Ltd | Construction | 2019 |
| EA Platinum Homes Ltd | Construction | 2023 |
| EA Property Solutions Limited | Real estate | 2021 |
| EA Wealth Limited | Financial services | 2017 |
| EA Workwear Ltd | Wholesale & retail | 2025 |
| EAC Performance Ltd | Wholesale & retail | 2019 |
| Each Halvergate House Limited | Health & social care | 2025 |
| Eachmoment Ltd | Information & communication | 2019 |
| Eadm Properties Ltd | Real estate | 2022 |
| EAE Creative Colour Limited | Manufacturing | 1965 |
| Eafdc Limited | Other services | 2024 |
| EAG (NFK) Ltd | Construction | 2023 |
| EAG Data Solutions Ltd | Information & communication | 2017 |
| Eagle Aquila Ltd | Manufacturing | 2017 |
| Eagle Aquila Management Ltd | Professional & scientific | 2019 |
| Eagle Aquila Properties Ltd | Real estate | 2020 |
| Eagle Property Holdings Limited | Real estate | 2019 |
| Eagle-Hill Residences Limited | Real estate | 2025 |
| Eagles Hospitality Limited | Extraterritorial | 2026 |
| Eagles Recruitment and Healthcare Limited | Health & social care | 2013 |
| Eamescape Limited | Administrative & support | 2022 |
| Earl Road Management Company Limited | Households | 2012 |
| Earley Family Developments Limited | Financial services | 2025 |
| Earlham Community Shop Community Interest Company | Other services | 2022 |
| Earlham Court Limited | Households | 2008 |
| Earlham Enterprises Limited | Hospitality | 2009 |
| Earlham Green Cleaning Limited | Manufacturing | 2026 |
| Earlham House Clinic Ltd | Health & social care | 2017 |
| Earlham House Store Ltd | Wholesale & retail | 2026 |
| Earlham Institute | Professional & scientific | 2009 |
| Earlham Investments Ltd | Real estate | 2018 |
| Earlham Minimarket Ltd | Wholesale & retail | 2026 |
| Earlham Park Lane Residents Limited | Households | 1987 |
| Earlham Store Ltd | Wholesale & retail | 2026 |
| Earlwood Furniture Ltd | Administrative & support | 2013 |
| Early Years Consultancy Ltd | Education | 2023 |
| Early Years Enterprises Ltd | Education | 2018 |
| Earsham Hall Kitchens & Interiors Ltd | Manufacturing | 2013 |
| Earsham Properties Limited | Real estate | 1987 |
| Earth & Turf Limited | Construction | 2025 |
| Earth Collective Partners Limited | Professional & scientific | 2025 |