| Dunnston Services Ltd | Professional & scientific | 2017 |
| DW Property Growth Ltd | Real estate | 2025 |
| DWH Business Solutions Ltd | Professional & scientific | 2021 |
| DWS Carpentry and Construction Limited | Construction | 2022 |
| DY Optical Limited | Health & social care | 2013 |
| Dylnat Properties Limited | Real estate | 2024 |
| Dynamic Brigthon Airbnb Ltd | Financial services | 2023 |
| Dynamiq Limited | Information & communication | 2021 |
| DZ Consultancy Services Ltd | Hospitality | 2024 |
| DZX Ventures Limited | Arts & recreation | 2026 |
| D’Amore Catering Ltd | Hospitality | 2022 |
| E & a Building Contractors Ltd | Construction | 2017 |
| E a Briggs Limited | Professional & scientific | 2009 |
| E N G Property Limited | Real estate | 2019 |
| E&D Art Ltd | Construction | 2024 |
| E-Boost Ltd | Wholesale & retail | 2024 |
| E.F.T. Holdco 1 Limited | Other services | 2021 |
| E.F.T. Holdco 2 Limited | Other services | 2021 |
| E.F.T. Holdings Limited | Financial services | 2019 |
| E.Scales Services Ltd | Other services | 2025 |
| Eagle UK Bidco Limited | Financial services | 2024 |
| Eagle UK Midco 1 Limited | Financial services | 2024 |
| Eagle UK Midco 2 Limited | Financial services | 2024 |
| Eagle UK Midco 3 Limited | Financial services | 2024 |
| Eagle UK Topco Limited | Financial services | 2024 |
| Eagles Roofing Ltd | Construction | 2024 |
| Eamal Ltd | Health & social care | 2016 |
| Earldawn Property Management Limited | Real estate | 1984 |
| Early Help Psychology Limited | Education | 2019 |
| Early Learning Centre Limited | Extraterritorial | 1909 |
| Early Years HR Ltd | Administrative & support | 2017 |
| East 38 Ltd | Hospitality | 2026 |
| East Asia Spice Trade Ltd | Hospitality | 2020 |
| East Fleet Holiday Park Limited | Hospitality | 2021 |
| East London Retrofit Ltd | Professional & scientific | 2024 |
| Eastconstructtrans Limited | Construction | 2020 |
| Eastern Fire Stopping Ltd | Administrative & support | 2019 |
| Eastlyn Development Limited | Construction | 2006 |
| Eastman Commercial Properties Limited | Real estate | 2022 |
| Eastwood Court Residents Company (Hemel Hempstead) Limited | Households | 1978 |
| Easy's Garage Limited | Wholesale & retail | 2019 |
| Easyflowheatingandplumbing Ltd | Construction | 2025 |
| Easyjetting Solutions Limited | Construction | 2021 |
| Easyway Umbrella Ltd | Administrative & support | 2022 |
| EAT ME UP Lingerie Ltd | Wholesale & retail | 2022 |
| Eaton Estates Ltd | Real estate | 2025 |
| Eaton Green Heights Management Company Limited | Households | 2017 |
| EB Construction & Building Limited | Construction | 2011 |
| Ebbsfleet Cross (Phase 2) Management Company Limited | Households | 2021 |
| EBS Physiotherapy Limited | Other services | 2014 |
| EC Wines Ltd | Wholesale & retail | 2025 |
| Ecca Consultancy LLP | | 2015 |
| Ecem (UK) Limited | Manufacturing | 1989 |
| Echonest Wellness Ltd | Health & social care | 2025 |
| Eckoh Limited | Information & communication | 1997 |
| Eckoh Omni Limited | Information & communication | 2011 |
| Eckoh Projects Limited | Professional & scientific | 1996 |
| Eckoh UK Limited | Information & communication | 1993 |
| Eclektic Media Ltd | Professional & scientific | 2020 |
| Eclipse Recruitment (Hemel) Limited | Administrative & support | 2015 |
| Eco Therm Heating Ltd | Construction | 2023 |
| Eco-Logical Gardeners Ltd | Administrative & support | 2022 |
| Eco-Renovation UK Ltd | Construction | 2016 |
| Ecobeton UK Ltd | Wholesale & retail | 2013 |
| Ecological Green Transportation Limited | Manufacturing | 2021 |
| Econest Packaging Ltd | Wholesale & retail | 2026 |
| Economic Airport Transfers Ltd | Transport & logistics | 2017 |
| Ecovo Electrical Ltd | Construction | 2018 |
| ED Cross Fine Art Ltd | Wholesale & retail | 2009 |
| ED Newman Services Ltd | Education | 2025 |
| Edbl Technologies Limited | Information & communication | 2024 |
| EDC Executive Ltd | Transport & logistics | 2026 |
| Eden Park (BH) Management Limited | Households | 2013 |
| Eden Park (Toddington) Management Company Limited | Households | 2007 |
| Eden Residents Management Company Limited | Households | 2007 |
| Edgerate Limited | Information & communication | 2023 |
| EDI Brkovic Aquatics Ltd | Arts & recreation | 2022 |
| Edison Place (Rugby) Management Company Limited | Households | 2013 |
| Edison Place 4 Houses Management Company Limited | Households | 2017 |
| Edison Place Estate Management Company Two Limited | Households | 2014 |
| Edition Residential Ltd | Real estate | 2021 |
| Edmund Park Management Company Limited | Households | 2025 |
| Edsi Construction Ltd | Construction | 2024 |
| Education Consultancy Partnership Ltd | Professional & scientific | 2022 |
| Education United Ltd | Professional & scientific | 2021 |
| Educational Psychology Services for Schools Ltd | Education | 2025 |
| Eduvateid Limited | Wholesale & retail | 2025 |
| Edward Law Limited | Administrative & support | 2017 |
| EE Management Limited | Professional & scientific | 2015 |
| Efai Ltd | Construction | 2020 |
| Efeler Kebab 29 Limited | Hospitality | 2018 |
| Efficient Cost Reduction Ltd | Other services | 2024 |
| Efficient Staff Ltd | Administrative & support | 2021 |
| EFW Electrical Ltd | Construction | 2014 |
| EG Clarke Properties Ltd | Construction | 2019 |
| EG Group Properties Ltd | Real estate | 2024 |
| Egypttian Speed GS Ltd | Wholesale & retail | 2026 |
| Ehman Ltd | Information & communication | 2025 |
| Ehmet Ltd | Hospitality | 2026 |
| Eicronline Ltd | Construction | 2023 |