| E Team Ltd | Water & waste | 2011 |
| E&R Ltd | Other services | 2025 |
| E-Surveillance Limited | Administrative & support | 2000 |
| E. & E. Investments Limited | Financial services | 1959 |
| E.M.S Data Comms Limited | Information & communication | 2017 |
| E.R. Ryan Services Limited | Construction | 2017 |
| E4 RENOV8 Ltd | Construction | 2024 |
| EA Software Ltd | Information & communication | 2019 |
| Eaccounts Ltd | Professional & scientific | 2018 |
| Eaden Estates Limited | Hospitality | 2023 |
| Eads Consultancy Ltd | Professional & scientific | 2013 |
| Eaea Holdings Ltd | Real estate | 2019 |
| Eaga Energy Ltd | Other services | 2014 |
| Eaga Home Ltd | Construction | 2021 |
| Eaga Partnership Ltd | Wholesale & retail | 2018 |
| Eagle EYE Roofing & Building Limited | Construction | 2025 |
| Eaglemaintenanceservices Ltd | Construction | 2017 |
| EAH Smile Therapy Limited | Health & social care | 2024 |
| EAR Cleanse by Beth Ltd | Health & social care | 2025 |
| EAR WAX Experts Ltd | Health & social care | 2025 |
| Early Years Training Ltd | Education | 2024 |
| Earnest Cleaning Services Limited | Other services | 2024 |
| Earth by Origin Limited | Wholesale & retail | 2024 |
| Earthbound Camping & Outdoor Goods Limited | Wholesale & retail | 2025 |
| Easey (Properties) Ltd | Real estate | 2023 |
| East Barn Ltd | Construction | 2023 |
| East Cliff Properties Ltd | Real estate | 2025 |
| East Clothing Limited | Manufacturing | 2016 |
| East END Garage Limited | Wholesale & retail | 2018 |
| East END Trade Cars Limited | Wholesale & retail | 2020 |
| East Midlands Underfloor Heating Store Ltd | Construction | 2016 |
| East Side Printers Limited | Manufacturing | 2002 |
| Eastern Dragon Limited | Wholesale & retail | 2024 |
| Eastern Stone Ltd | Mining & quarrying | 2016 |
| Eastlands Education Limited | Education | 2022 |
| Eastmoor Estates Limited | Real estate | 2018 |
| Eastwood International Ltd | Wholesale & retail | 2025 |
| Easy Clique Ltd | Wholesale & retail | 2025 |
| Easy Corner Ltd | Wholesale & retail | 2024 |
| Easy Fit Tyres Limited | Wholesale & retail | 2018 |
| Easy Hire Services Limited | Administrative & support | 2008 |
| Easy Hols Ltd | Administrative & support | 2024 |
| Easy LET Homes Ltd | Real estate | 2019 |
| Easy Motion Ltd | Wholesale & retail | 2025 |
| Eaton Crescent Limited | Financial services | 2024 |
| Eaton Road Fish Bar Ltd | Hospitality | 2024 |
| EBE Properties Ltd | Construction | 2025 |
| Eben Ltd | Information & communication | 2013 |
| Ebrklu Ltd | Wholesale & retail | 2026 |
| EC17 Ltd | Construction | 2026 |
| Ecabz Ltd | Wholesale & retail | 2025 |
| ECC Kwun Ltd | Information & communication | 2022 |
| ECG Performance Limited | Arts & recreation | 2015 |
| Ecgtheow Limited | Information & communication | 2000 |
| Echo Wizzardary Limited | Construction | 2017 |
| ECL Group Holdings Ltd | Financial services | 2025 |
| ECL Homes Limited | Real estate | 2024 |
| Eclipse Commercial (Holdings) Limited | Real estate | 2023 |
| Eclipse Commercial Ltd | Real estate | 2001 |
| Eclipse Living Ltd | Real estate | 2018 |
| Eclipz Hair Salon Ltd | Other services | 2013 |
| Eco Balanced Ltd | Extraterritorial | 2011 |
| Eco Care Solutions Ltd | Construction | 2018 |
| Eco Construction Ltd | Construction | 2025 |
| Eco Energy Electrical Engineering Solutions Limited | Construction | 2006 |
| Eco Power Club Limited | Administrative & support | 2024 |
| Eco Renewable Installations Limited | Construction | 2025 |
| Eco Timber Solutions Ltd | Manufacturing | 2020 |
| Eco Vision Environmental Consultancy CIC | Professional & scientific | 2025 |
| Eco-T Solutions Limited | Wholesale & retail | 2023 |
| ECO77 Ltd | Construction | 2019 |
| Ecolectrical Vehicle Installations Ltd | Administrative & support | 2023 |
| Ecoliner Ltd | Manufacturing | 2026 |
| Ecom Network Limited | Wholesale & retail | 2024 |
| Ecomer Ltd | Wholesale & retail | 2024 |
| Ecommerce Content Ltd | Manufacturing | 2021 |
| Ecomputers (UK) Ltd | Wholesale & retail | 2008 |
| Economy Cleaning Limited | Extraterritorial | 2023 |
| Economy Energy Group Limited | Construction | 2023 |
| Economy EV Limited | Extraterritorial | 2023 |
| Economy Solar Ltd | Construction | 2022 |
| Ecore Energy Solutions Ltd | Construction | 2024 |
| Ecosips Development Ltd | Manufacturing | 2011 |
| Ecotech Installations Ltd | Construction | 2024 |
| Ecumenical Promises Limited | Professional & scientific | 2024 |
| ED Calls Ltd | Administrative & support | 2018 |
| Edavazhi Property Company Ltd | Real estate | 2021 |
| Eddilicious Foods Ltd | Hospitality | 2024 |
| Eddy Exchange Ltd | Wholesale & retail | 2023 |
| Eden Fashion Jewellery Limited | Wholesale & retail | 2007 |
| Eden Retail Consultancy Ltd | Professional & scientific | 2021 |
| Edenkind C.I.C. | Agriculture & fishing | 2021 |
| Edgemoor Bakery Ltd | Manufacturing | 2025 |
| Edmunds Webster Holdings Limited | Construction | 1977 |
| Edmunds Webster Joinery Limited | Construction | 2017 |
| Edmunds Webster Limited | Construction | 1992 |
| Edora Ai-Robotics Solutions Ltd | Information & communication | 2025 |
| Edson Services Ltd | Water & waste | 2026 |
| Edufutures Consulting Ltd | Education | 2026 |
| Edutee Global Ltd | Education | 2025 |