| Erman Electrical Building Services Engineering Ltd | Construction | 2022 |
| Ermc Properties Limited | Hospitality | 2023 |
| Erol 27 Ltd | Real estate | 2024 |
| Erol Oksuz Limited | Administrative & support | 2016 |
| Erol's Watermelons Limited | Wholesale & retail | 2020 |
| Eroz Digimedia Ltd | Wholesale & retail | 2026 |
| ERS & ERS Ltd | Real estate | 2026 |
| Ersoy Properties Ltd | Real estate | 2025 |
| ERT Retail Ltd | Wholesale & retail | 2025 |
| Ertek Ltd | Construction | 2022 |
| Ervin Capital Ltd | Real estate | 2026 |
| ES & ES Events Catering Ltd | Hospitality | 2026 |
| ES Building Ltd | Construction | 2022 |
| ES Meat Ltd | Wholesale & retail | 2025 |
| ESA Investment Homes Limited | Real estate | 2026 |
| Esag Events UK Ltd | Education | 2018 |
| Esavvy Company Ltd | Extraterritorial | 2018 |
| Escott Properties Ltd | Financial services | 2020 |
| Eseomass Ltd | Health & social care | 2020 |
| ESG Academy Ltd | Arts & recreation | 2022 |
| ESG Social Housing Limited | Financial services | 2020 |
| Esgala Catering & Consultancy Ltd | Hospitality | 2020 |
| ESH Tridev Ltd | Professional & scientific | 2015 |
| Eshan Consultancy Ltd | Information & communication | 2018 |
| Esker Consulting Limited | Information & communication | 2020 |
| Eslina Patisserie Limited | Manufacturing | 2020 |
| Esquires Coffee Letchworth Limited | Hospitality | 2020 |
| Esquires Coffee Stevenage Limited | Hospitality | 2020 |
| Essando Consulting Limited | Information & communication | 2020 |
| Essential Radio Ltd | Other services | 2016 |
| Essential Tees Ltd | Manufacturing | 2017 |
| Essex Provisions Ltd | Hospitality | 2021 |
| Essex School of Beauty Limited | Education | 2009 |
| Estavale Limited | Wholesale & retail | 2025 |
| Estec Ltd | Arts & recreation | 2021 |
| Estee Merchant UK Ltd | Wholesale & retail | 2025 |
| Estgrace Ltd | Professional & scientific | 2023 |
| Esther Yellon Ltd | Financial services | 2020 |
| ETA Taxi Services Ltd | Transport & logistics | 2025 |
| Etchi Ltd | Wholesale & retail | 2017 |
| Eternal Consulting Ltd | Professional & scientific | 2020 |
| Etfc Ltd | Arts & recreation | 2001 |
| Ethical Fabrics Ltd | Wholesale & retail | 2023 |
| Ethos Investments Group Ltd | Wholesale & retail | 2025 |
| Ethos Legal Consulting Ltd | Other services | 2025 |
| Etienne Estates Limited | Real estate | 2024 |
| ETK Security Limited | Administrative & support | 2022 |
| Etlj Ltd | Wholesale & retail | 2021 |
| ETP (UK) Limited | Wholesale & retail | 1997 |
| Etr-European Talent Recruitment Ltd | Real estate | 2014 |
| Euchrestos Limited | Professional & scientific | 2019 |
| Eujhenic Ltd | Information & communication | 2010 |
| Eunoia Investments Ltd | Financial services | 2015 |
| Euphoriumx Ltd. | Wholesale & retail | 2020 |
| Eurasia GmbH Limited | Professional & scientific | 2021 |
| Euro Cars and Couriers Ltd | Transport & logistics | 2020 |
| Euro Construction Limited | Construction | 2011 |
| Euro Express 4EZ Ltd | Wholesale & retail | 2026 |
| Euro Express EN3 Ltd | Wholesale & retail | 2025 |
| Euro Site Services Ltd | Other services | 2018 |
| Euro Site Services UK Ltd | Other services | 2024 |
| Euro-Pol Direct Limited | Wholesale & retail | 2014 |
| Euroband Consultants Ltd | Administrative & support | 1999 |
| Eurodatacom Ltd | Information & communication | 2019 |
| Euromed Maritime Limited | Transport & logistics | 1993 |
| Euromed Shipping Ltd | Extraterritorial | 2011 |
| Euromed Transport Ltd | Transport & logistics | 2011 |
| Euromos Ltd | Wholesale & retail | 2016 |
| Euromos Property Limited | Real estate | 2024 |
| Europe Car Solutions Ltd | Wholesale & retail | 2014 |
| European Chapter of the Open Grid Forum, Ukeig | | 2007 |
| European Printers Limited | Manufacturing | 2019 |
| European Talents Ltd | Professional & scientific | 2020 |
| Eurostar Cafe Ltd | Hospitality | 2018 |
| EV Bodyshops Ltd | Wholesale & retail | 2020 |
| EV Property Development Ltd | Real estate | 2026 |
| EVA Healthcare Training Centre Ltd | Health & social care | 2012 |
| Eval Property Investment Ltd | Construction | 2023 |
| Evanns | Other services | 2025 |
| Evas Cleaning Services Ltd | Administrative & support | 2023 |
| Evat Motors Limited | Wholesale & retail | 2014 |
| Evco Trade LP | | 2019 |
| EVE & Flow Limited | Wholesale & retail | 2025 |
| Events by BB Ltd | Professional & scientific | 2020 |
| Events Mastermind Ltd | Hospitality | 2023 |
| Eventshiva Limited | Hospitality | 2023 |
| Ever After Clothing Ltd | Wholesale & retail | 2018 |
| Ever Green Sales Limited | Wholesale & retail | 2026 |
| Everest IT View Ltd | Information & communication | 2025 |
| Everitts Florist Ltd | Wholesale & retail | 2025 |
| Everora Global Ltd | Wholesale & retail | 2025 |
| Everyday Supply ED Ltd | Wholesale & retail | 2026 |
| Everything Mobility Limited | Wholesale & retail | 2012 |
| Evie’S Treats Ltd | Hospitality | 2025 |
| Evino Properties Ltd | Real estate | 2026 |
| Evissa Wholesale Limited | Wholesale & retail | 2025 |
| EVO Human Development Ltd | Administrative & support | 2026 |
| Evolution (Radlett) Ltd | Wholesale & retail | 2024 |
| Evolution Hairdressing Essex Limited | Other services | 2004 |
| Evolving Futures Ltd | Health & social care | 2020 |