| Downtree PUB 6 Ltd | Hospitality | 2025 |
| Dozzini Tiling Limited | Construction | 2015 |
| DP Desk Ltd. | Professional & scientific | 2021 |
| DPB Consultants Limited | Wholesale & retail | 2014 |
| DPB Services Ltd | Information & communication | 2016 |
| Dreamcook Ltd | Information & communication | 2020 |
| Driftwood Building Co. Ltd | Construction | 2024 |
| Driftwood Project Management Ltd | Construction | 2025 |
| Driminaught Limited | Professional & scientific | 2025 |
| Drink Works Limited | Professional & scientific | 2000 |
| DRINKS21 Group Ltd | Financial services | 2015 |
| DRINKS21 Ltd | Wholesale & retail | 2010 |
| Dromenagh Management Company Limited | Households | 2005 |
| DRU Luxe Ltd | Professional & scientific | 2025 |
| Drzzl OIL Ltd | Manufacturing | 2025 |
| DS Lighting Limited | Information & communication | 2010 |
| DSF Marketing Ltd | Extraterritorial | 2021 |
| Dsuk Partnership LLP | | 2023 |
| Dsuk Real Estate Ltd | Real estate | 2023 |
| DTE Agency UK Ltd | Real estate | 2012 |
| Dtechnology Consultancy Ltd | Information & communication | 2025 |
| DTS Property Group Ltd | Real estate | 2025 |
| Duchy Independent Financial Advisers Limited | Administrative & support | 2014 |
| Duramaxx Limited | Manufacturing | 2025 |
| Durning Place (Ascot) Limited | Real estate | 1995 |
| DUX Experts Ltd | Professional & scientific | 2026 |
| DWS Demolition Limited | Construction | 2023 |
| DWS Projects Ltd | Financial services | 2023 |
| E Memories Limited | Agriculture & fishing | 2025 |
| E&T Group Ltd | Professional & scientific | 2021 |
| E-K Contractors Limited | Construction | 2017 |
| E-Mech Limited | Professional & scientific | 2012 |
| E.F.M. Teakle Limited | Wholesale & retail | 1980 |
| Earleywood Pines Management Limited | Households | 1995 |
| East Hill Cost Management Limited | Professional & scientific | 2012 |
| Eastburn Consulting & Advisory Ltd | Information & communication | 2020 |
| Eastcote House Property Management Limited | Real estate | 2010 |
| ECG Hire Ltd | Administrative & support | 2011 |
| ECG Plant Hire Ltd | Extraterritorial | 2018 |
| ECG Services Limited | Construction | 2014 |
| Eclipse House (Binfield) Management Company Limited | Real estate | 2005 |
| Eco-Energi Group Limited | Professional & scientific | 1997 |
| Ecommerce Distribution & Logistics Limited | Wholesale & retail | 2022 |
| Ecosse Property Development Ltd | Extraterritorial | 2024 |
| Edinburgh Plastic Surgery Limited | Professional & scientific | 2009 |
| Edith Rose Nurseries Ltd | Education | 2010 |
| Edrom UK Ltd | Construction | 2004 |
| Edward Mews Management Company Ltd | Households | 2013 |
| Eggleton Consultancy Ltd | Professional & scientific | 2019 |
| Eizo Limited | Wholesale & retail | 2011 |
| Ejpark Ltd | Health & social care | 2025 |
| EJS Ventures Ltd | Administrative & support | 2022 |
| EK Sainiwas Limited | Real estate | 2026 |
| Eldon Lodge Residents Limited | Households | 2022 |
| Electric Panda Productions Ltd | Information & communication | 2020 |
| Electro Division Ltd | Construction | 2018 |
| Electronic Accordions Limited | Wholesale & retail | 1970 |
| Eledent Smiles Limited | Health & social care | 2020 |
| Element Design & Consulting Limited | Professional & scientific | 2020 |
| Eless Logistics Ltd | Transport & logistics | 2012 |
| Elevating Performance Ltd | Professional & scientific | 2022 |
| Elgin Crescent Ltd | Real estate | 2021 |
| Elios Properties Limited | Real estate | 2024 |
| Elios Technology Limited | Information & communication | 2018 |
| Elite Franking Supplies Limited | Wholesale & retail | 2026 |
| Elite Lighting Ltd | Wholesale & retail | 2024 |
| Elite Roofing and Building Developments Ltd | Construction | 2023 |
| Elite Transport Solutions Ltd | Transport & logistics | 2023 |
| Elixa Mediscience Ltd | Professional & scientific | 2019 |
| Elliott Court Freehold Limited | Households | 2024 |
| Ellwood Brothers Inc. Ltd. | Professional & scientific | 2017 |
| ELS Design Ltd | Information & communication | 2024 |
| Elsak Limited | Construction | 1984 |
| Elvian Limited | Administrative & support | 1994 |
| Elysee Kitchens & Interiors Limited | Construction | 2023 |
| Emea Office Systems Limited | Information & communication | 2009 |
| Enchilada Digital Limited | Information & communication | 2011 |
| Endeavour Public Affairs Ltd | Professional & scientific | 2011 |
| Enemess Limited | Health & social care | 2020 |
| Enenkay Ltd | Real estate | 2018 |
| Energevo Renewables Limited | Construction | 2020 |
| Energy Revelation Limited | Professional & scientific | 2020 |
| Engaging Energy Limited | Administrative & support | 2013 |
| Englemere (Freehold) Limited | Households | 2022 |
| Englemere Wood Management Company Limited | Households | 1989 |
| Enistone Consultants Ltd | Other services | 2025 |
| Enolima Ltd | Health & social care | 2014 |
| Ensor Services Limited | Construction | 1994 |
| Envisage Ltd | Professional & scientific | 2023 |
| Envy Associates Ltd | Professional & scientific | 2011 |
| EOS Medical Aesthetics Limited | Health & social care | 2018 |
| Eplp Holdings Ltd | Wholesale & retail | 2024 |
| EQ Solutions Ltd | Wholesale & retail | 2010 |
| ERA Consulting Ltd | Professional & scientific | 2024 |
| ERP IT Training Limited | Information & communication | 2025 |
| ESS (Berkshire) Limited | Energy | 2017 |
| Essem Solutions Ltd | Professional & scientific | 2012 |
| Essence Personal Chauffeur Ltd | Transport & logistics | 2025 |
| Essiell Compli Limited | Information & communication | 2013 |
| Essiell Group Limited | Information & communication | 2000 |