| Equalikes Ltd | Information & communication | 2025 |
| Equality Rocks Limited | Arts & recreation | 2019 |
| Equanimous Ventures Limited | Financial services | 2019 |
| Equantis Group Limited | Information & communication | 2025 |
| Equatability Training Limited | Education | 2006 |
| Equator Corporation Ltd | Hospitality | 2003 |
| Equifin Solutions Ltd | Information & communication | 2021 |
| Equilibre General Limited | Wholesale & retail | 2025 |
| Equilibrium Business Consultants Ltd | Professional & scientific | 2019 |
| Equilibrium Homes Gloucester Road Ltd | Construction | 2023 |
| Equilytica Limited | Information & communication | 2021 |
| Equine Mortgages Ltd | Financial services | 2023 |
| Equinox Accountants Limited | Extraterritorial | 2026 |
| Equipmed Europe Ltd | Other services | 2025 |
| Equipment Project Solutions (Retail) Limited | Administrative & support | 2011 |
| Equitime Capital Ltd | Financial services | 2025 |
| Equity & General Limited | Financial services | 2021 |
| Equity Capital and Partners Limited | Financial services | 2022 |
| Equotient Ltd | Professional & scientific | 2016 |
| Er-Hb Ltd | Arts & recreation | 2025 |
| Er-Pt Ltd | Arts & recreation | 2023 |
| ER2 Consulting Ltd | Professional & scientific | 2023 |
| ERA UAB Ltd | Construction | 2018 |
| Erac Construction Ltd | Construction | 2023 |
| Eramusicgroup Ltd | Professional & scientific | 2023 |
| Erdos Research Limited | Professional & scientific | 2022 |
| Erem International Limited | Wholesale & retail | 2023 |
| ERM Properties Ltd | Real estate | 2019 |
| Ermatal Limited | Real estate | 2025 |
| Ermelinda Limited | Wholesale & retail | 2015 |
| Ermine Solutions Ltd | Manufacturing | 2025 |
| Erne Services Ltd | Construction | 2023 |
| Ernest Estates Global Limited | Real estate | 2018 |
| Ernest Global Management Ltd | Real estate | 2018 |
| Ernest Initiatives Limited | Professional & scientific | 2019 |
| Ernstwise Tax and Accountancy Services Ltd | Professional & scientific | 2020 |
| Eroaming Ltd | Information & communication | 2024 |
| Eros Prime Investments Limited | Professional & scientific | 2021 |
| Errens Food Store Ltd | Wholesale & retail | 2026 |
| ERS Holding Limited | Professional & scientific | 2023 |
| Ertha UK Ltd | Real estate | 2020 |
| Erudite Consultancy Services Ltd | Information & communication | 2024 |
| Ervinmandrik Limited | Other services | 2011 |
| ERW Limited | Health & social care | 2015 |
| Erypsa Ltd | Health & social care | 2026 |
| ES Camps UK Limited | Education | 2025 |
| ES Training Ltd | Education | 2022 |
| Esaan Ltd | Wholesale & retail | 2019 |
| Esade International Limited | Administrative & support | 2004 |
| ESB Venture Ltd | Construction | 2023 |
| ESC Consultancy Ltd | Information & communication | 2020 |
| Escalade Solutions Ltd | Construction | 2021 |
| Esdaile Design Limited | Manufacturing | 2014 |
| Esemtikk Supplies Limited | Wholesale & retail | 2026 |
| ESG Search Limited | Administrative & support | 2020 |
| Esha Investments Ltd | Real estate | 2018 |
| Esha Trading Limited | Professional & scientific | 2001 |
| Esher Property Investments Limited | Real estate | 2026 |
| ESI Transport Ltd | Transport & logistics | 2023 |
| Esine Limited | Professional & scientific | 2016 |
| Esjae Ltd | Wholesale & retail | 2024 |
| Eskays Corporation Limited | Real estate | 2015 |
| Eskays Investments Ltd | Real estate | 2020 |
| Esma Limited | Administrative & support | 2019 |
| Esmond Gardens Residents Company Limited | Households | 2004 |
| Esow Limited | Wholesale & retail | 2014 |
| Espresso Workshop Limited | Wholesale & retail | 2025 |
| Espressoshop Ltd | Wholesale & retail | 2023 |
| Espv Consultancy Ltd | Financial services | 2018 |
| Esquare IT Solutions Ltd | Information & communication | 2020 |
| Esquire Hotels UK Limited | Hospitality | 2010 |
| Essa Capital Ltd | Financial services | 2020 |
| Essar Financial Services Limited | Professional & scientific | 1991 |
| Essar Retail Ltd | Wholesale & retail | 2018 |
| Essar Solutions Ltd | Information & communication | 2013 |
| Essence of Life Limited | Manufacturing | 2004 |
| Essence of Life Property Limited | Real estate | 2022 |
| Essence Wholesaler Ltd | Wholesale & retail | 2025 |
| Essential Household Ltd | Wholesale & retail | 2019 |
| Essential Planning Ltd. | Administrative & support | 2004 |
| Essential Services LDN Ltd | Administrative & support | 2026 |
| Esskay Properties Limited | Real estate | 2014 |
| Estara Ltd | Wholesale & retail | 2024 |
| Estarartistics Academy CIC | Education | 2026 |
| Estate AI Ltd | Real estate | 2026 |
| Estates and Lets 2 Properties Limited | Real estate | 2018 |
| Estates and Lets 3 LLP | | 2009 |
| Estates and Lets 3 Properties Limited | Real estate | 2018 |
| Estates and Lets Limited | Construction | 2000 |
| Estatus Consulting Services Ltd | Professional & scientific | 2023 |
| Estaura Limited | Construction | 2024 |
| Este Hair Medical Clinic Limited | Health & social care | 2021 |
| Esteem Properties Limited | Real estate | 2015 |
| Estella Europe Limited | Water & waste | 2026 |
| Esterica Fabrics Ltd | Wholesale & retail | 2018 |
| Estetik Investment Group Ltd | Construction | 2026 |
| Estmanco (Bowyer House) Limited | Households | 1979 |
| Estore for YOU Ltd | Wholesale & retail | 2020 |
| Estrela Tour Limited | Transport & logistics | 2013 |
| Estya Limited | Real estate | 2025 |