| Equinox Fabrications Ltd | Professional & scientific | 2020 |
| Equippers Church Swindon | Other services | 2013 |
| Equipping Pastors Worldwide Ltd | Information & communication | 2006 |
| Equissistant Ltd | Information & communication | 2019 |
| Equity Accounts and Payroll Limited | Professional & scientific | 2023 |
| Equity Released 2 U Limited | Financial services | 2013 |
| Equityinc Ltd | Administrative & support | 2017 |
| ER2 Assessors Ltd | Professional & scientific | 2023 |
| ERA Carpentry Limited | Manufacturing | 2018 |
| Eratos Solutions Ltd | Information & communication | 2023 |
| Eren Development Consultancy Ltd | Hospitality | 2021 |
| Erica Properties Development Ltd | Real estate | 2023 |
| Ericford Limited | Health & social care | 2020 |
| Erik Hand Car Wash Ltd | Administrative & support | 2026 |
| Erin Properties (Swindon) Limited | Real estate | 1966 |
| Erio Ltd | Professional & scientific | 2019 |
| Ermin Mews Management Company Limited | Real estate | 2005 |
| Ermin Nook Management Company Limited | Households | 2007 |
| Erogul Ltd | Hospitality | 2024 |
| Eros Direct Limited | Wholesale & retail | 2020 |
| Erris Build Limited | Construction | 2018 |
| Ersl 08705822 Limited | Extraterritorial | 2013 |
| Escapade 4X4 Ltd | Extraterritorial | 2022 |
| Eska Norfolk LLP | | 2014 |
| ESP Co Holdings Limited | Financial services | 2019 |
| ESP Colour Limited | Manufacturing | 1998 |
| ESP Smile Limited | Manufacturing | 2019 |
| Esprit Academy Limited | Arts & recreation | 2002 |
| Esprit Performing Arts Ltd | Arts & recreation | 2020 |
| Esrl 08567912 Limited | Extraterritorial | 2013 |
| ESS Group Services Limited | Administrative & support | 2020 |
| ESS Holdings (Swindon) Limited | Financial services | 2005 |
| Esse Publishing Limited | Information & communication | 2016 |
| Essential HR 2 U Ltd | Administrative & support | 2020 |
| Essential Plumbing Services Ltd | Construction | 2016 |
| Essential Vehicle Services (Swindon) Ltd | Wholesale & retail | 2003 |
| Essmoss Ltd | Health & social care | 2025 |
| Estall Effects Company Ltd. | Information & communication | 2024 |
| Estel Unisex Hair & Beauty Salon Ltd | Other services | 2019 |
| Estrada Grande Limited | Real estate | 1986 |
| Esurio Limited | Real estate | 2017 |
| Etanazy Ltd | Information & communication | 2021 |
| ETE Portraits Ltd | Wholesale & retail | 2024 |
| ETF Consultancy Limited | Professional & scientific | 2012 |
| Ethan & Jacques Limited | Professional & scientific | 2009 |
| Etman Limited | Transport & logistics | 2014 |
| Etna Ltd | Information & communication | 2015 |
| EU4CARS Ltd | Wholesale & retail | 2021 |
| Eucom Services Ltd | Transport & logistics | 2025 |
| Euluxoria Ltd | Wholesale & retail | 2025 |
| Eunoia Limited | Professional & scientific | 2002 |
| Eureka Property Partners Ltd | Real estate | 2025 |
| Euroby Drying Technology Limited | Manufacturing | 2004 |
| Euroby Limited | Water & waste | 1996 |
| Eurofoods Trading Ltd | Wholesale & retail | 2019 |
| Eurofreight Express Limited | Transport & logistics | 2000 |
| Eurokyl Logistic Ltd | Transport & logistics | 2019 |
| Euroluk Ltd | Transport & logistics | 2019 |
| European Furniture Components Limited | Wholesale & retail | 2015 |
| Eurotech Eximp Limited | Wholesale & retail | 2010 |
| Eurotop Mechanic Ltd | Wholesale & retail | 2020 |
| EV Airport Transfers Ltd | Transport & logistics | 2023 |
| EV Travel Ltd | Administrative & support | 2024 |
| EVA & ME Limited | Manufacturing | 2021 |
| Evanify Ltd | Information & communication | 2026 |
| Evans & Co Cleaning Services Ltd | Other services | 2025 |
| Evarel Ltd | Health & social care | 2025 |
| Evaristics Care Ltd | Health & social care | 2015 |
| Eveleigh Ellis Limited | Real estate | 2023 |
| Eveline Limited | Transport & logistics | 2016 |
| Evelyn Ewah Limited | Health & social care | 2010 |
| Eveme Ltd | Wholesale & retail | 2025 |
| Event Exhibition Ltd | Other services | 2020 |
| Event Garden Space Ltd | Other services | 2020 |
| Event Service Check Limited | Professional & scientific | 2020 |
| Event Style Limited | Hospitality | 2018 |
| Event Timing Solutions Ltd | Information & communication | 2013 |
| Event Waste Ltd | Administrative & support | 2020 |
| Ever Aesthetics Ltd | Wholesale & retail | 2025 |
| Everest 2026 Ltd | Hospitality | 2026 |
| Everest Drylining Ltd | Extraterritorial | 2022 |
| Everest Kitchen Ltd | Hospitality | 2022 |
| Everest Mortgages and Wealth Management Ltd | Financial services | 2022 |
| Everest Rock Mortgage and Protection Ltd | Financial services | 2022 |
| Everett Builders Limited | Construction | 2010 |
| Evergrain Carpentry Ltd | Manufacturing | 2025 |
| Evergreen (Havant) Limited | Hospitality | 2015 |
| Evergreen Open Gate Limited | Professional & scientific | 2023 |
| Evershine Granites (U.K) Limited | Wholesale & retail | 2008 |
| Everson's Financial Services Ltd | Financial services | 2021 |
| Every Day Choices Limited | Other services | 2019 |
| Everyday Entrepreneur Ltd | Information & communication | 2017 |
| Everyday Fitness Gym Ltd | Arts & recreation | 2021 |
| Everyday Unboxing Limited | Wholesale & retail | 2025 |
| Everything Line Dance Association Ltd | Other services | 2021 |
| Everything Line Dance Ltd | Administrative & support | 2018 |
| Everywhere Property Ltd | Real estate | 2024 |
| Evil Empire Marketing Ltd | Professional & scientific | 2023 |
| Evil PUG Productions Ltd | Information & communication | 2020 |
| Evil Twin Artworks Limited | Information & communication | 2010 |