| Dyti Tech Limited | Information & communication | 2023 |
| E & R Plumbing Heating Service Ltd | Construction | 2019 |
| E & T Croydon Ltd | Other services | 2018 |
| E & W (Crawley) Limited | Construction | 2012 |
| E Accountancy Ltd. | Professional & scientific | 2017 |
| E Bikes Motorcycle Limited | Wholesale & retail | 2026 |
| E Croydon Foods Ltd | Hospitality | 2024 |
| E Go Rides Ltd | Administrative & support | 2021 |
| E Group Global Holdings Ltd | Financial services | 2024 |
| E M Digital Limited | Manufacturing | 2003 |
| E PLUS9 Ltd | Wholesale & retail | 2024 |
| E Robin Ltd | Wholesale & retail | 2019 |
| E T Sauba Co Ltd | Information & communication | 2020 |
| E&B Cousins Limited | Other services | 2022 |
| E&Cs Training Services Ltd | Education | 2021 |
| E&K Vision Ltd | Transport & logistics | 2024 |
| E&R Security Services Ltd | Administrative & support | 2022 |
| E-Atoms Ltd | Wholesale & retail | 2025 |
| E-Bike Station UK Limited | Wholesale & retail | 2024 |
| E-Cable Networks Ltd | Information & communication | 2026 |
| E-Maintenance London Ltd | Construction | 2020 |
| E-Merce Limited | Wholesale & retail | 2017 |
| E-Tech Motors Limited | Wholesale & retail | 2011 |
| E. G. Properties (London) Limited | Real estate | 2015 |
| E.C. Car Detailing Ltd | Extraterritorial | 2020 |
| E.C.S. (Air Conditioning) Limited | Construction | 1985 |
| E.D.Y Logistics & Removal Ltd | Construction | 2026 |
| E.J.M.A Properties Ltd | Households | 2020 |
| E.L.B. Partners Limited | Transport & logistics | 1984 |
| E.M.A Land Management Services Ltd | Professional & scientific | 2026 |
| E.S. London Removals Ltd | Transport & logistics | 2025 |
| E.S.P. London Ltd | Wholesale & retail | 2018 |
| E2 Change Ltd. | Administrative & support | 2014 |
| E2X Limited | Information & communication | 2001 |
| E3XQ Constructions Limited | Construction | 2022 |
| EA Brissett Ltd | Households | 2016 |
| EA Express Ltd | Transport & logistics | 2023 |
| EAB Traffic Management Ltd | Construction | 2025 |
| EAD Ltd | Construction | 2023 |
| Eagle Associates Limited | Professional & scientific | 1985 |
| Eagle EYE Connect Ltd | Professional & scientific | 2024 |
| Eagle Investment Management Ltd | Extraterritorial | 2016 |
| Eagle Lodge (Flat Management) Limited | Households | 1996 |
| Eagle Nest Holdings Limited | Construction | 2023 |
| Eagles Cars Hire Ltd | Administrative & support | 2011 |
| Eagles FLY Limited | Administrative & support | 2019 |
| Eagles Health Care Ltd | Administrative & support | 2016 |
| Eagles Leadership Training Academy Limited | Education | 2012 |
| EAL Independent Consulting Ltd | Professional & scientific | 2024 |
| Ealing Road Residents Association Limited | Households | 2011 |
| EAN Digital Ltd | Information & communication | 2023 |
| EAN Procurement Solutions Limited | Health & social care | 2014 |
| Eao-Integrated Forensic & Social Work Consultancy Ltd | Health & social care | 2026 |
| EAR Architecture Limited | Professional & scientific | 2016 |
| Earl and Calam Design and Build Ltd | Construction | 2020 |
| Earle Limited | Extraterritorial | 2000 |
| Earls Park Management Company Limited | Households | 2014 |
| Earlswood Business Park Limited | Real estate | 2025 |
| Early Till Late (Surrey) Limited | Wholesale & retail | 2010 |
| EARTH4EARTH Technology Ltd | Wholesale & retail | 2023 |
| Earthland Residents Association Limited | Households | 1981 |
| Earthstone Creations Ltd | Manufacturing | 2025 |
| East & West Market Ltd | Wholesale & retail | 2019 |
| East Africa Air Cargo Ltd | Transport & logistics | 2011 |
| East and West Builders Ltd | Construction | 2015 |
| East Croydon Consultancy Services Limited | Administrative & support | 2011 |
| East India Estates Ltd. | Real estate | 2002 |
| East Lodge Living Ltd | Construction | 2026 |
| East London Commercials (1983) Ltd | Professional & scientific | 2007 |
| East London Commercials Limited | Wholesale & retail | 2000 |
| East Street Management Services Limited | Real estate | 2022 |
| Eastbourne Housing Limited | Hospitality | 2013 |
| Eastcliff Tower Development Company Limited | Real estate | 1971 |
| Eastcote Lodge (Management) Limited | Households | 1989 |
| Eastern Red Ruby Limited | Wholesale & retail | 2010 |
| Eastleigh Group Ltd | Real estate | 2023 |
| Eastlink (2016) Limited | Professional & scientific | 2005 |
| Eastmond Services Limited | Professional & scientific | 2017 |
| Eastnor House Property Management Company Limited | Households | 2000 |
| Eastwestpower Ltd | Professional & scientific | 2020 |
| Easy Access Skip Hire Ltd | Water & waste | 2020 |
| Easy Clean Services Ltd | Administrative & support | 2023 |
| Easy Flatshare Ltd | Real estate | 2018 |
| Easy Homes Putney Limited | Real estate | 2024 |
| Easy LET Serviced Offices Limited | Real estate | 2008 |
| Easy Mobile Ltd | Wholesale & retail | 2018 |
| Easy Way Enterprises Ltd | Wholesale & retail | 2017 |
| Easycare 4 U Limited | Health & social care | 2022 |
| Easydesk Limited | Professional & scientific | 2000 |
| Easyfit Builders Ltd | Construction | 2014 |
| Easyfix Pro Ltd | Construction | 2023 |
| Easymall Limited | Wholesale & retail | 2026 |
| Easymix Concrete East London Limited | Manufacturing | 2025 |
| Easymix Concrete Group UK Limited | Construction | 2019 |
| Easymix Concrete London Limited | Manufacturing | 2015 |
| Easymix Concrete UK Ltd | Construction | 2005 |
| Easytake Ltd | Wholesale & retail | 2025 |
| EASYTRAINING123 Limited | Education | 2015 |
| EAT Well Meat Ltd | Wholesale & retail | 2017 |
| EAT2FINGERS Ltd | Hospitality | 2015 |