| Elegantly Papered Limited | Administrative & support | 2015 |
| Elevate HR Consulting Ltd | Information & communication | 2025 |
| Elevate PT Ltd | Arts & recreation | 2016 |
| Elevation Living Limited | Real estate | 2026 |
| Eleven Stars Development Ltd | Real estate | 2025 |
| Eleven Vine Hill (Freehold) Limited | Households | 2005 |
| Eleveneleven Consulting Limited | Professional & scientific | 2013 |
| ELF Prop Limited | Real estate | 2021 |
| ELH Weddings & Events Ltd | Other services | 2025 |
| Eli's Crust Ltd | Hospitality | 2020 |
| Eli's Pizza Ltd | Hospitality | 2014 |
| Elian Real Estate Ltd | Real estate | 2025 |
| Eliphalet Ltd | Information & communication | 2024 |
| Elis Electrical Services Ltd | Construction | 2023 |
| Elite Associates Holdings Europe Limited | Administrative & support | 2013 |
| Elite Car Sales & Hire Limited | Wholesale & retail | 2026 |
| Elite Eco Logistics Ltd | Extraterritorial | 2012 |
| Elite Future Football Ltd | Arts & recreation | 2026 |
| Elite Lawns and Gardens Limited | Other services | 2015 |
| Elite London Security Ltd | Administrative & support | 2023 |
| Elite Professional Finance Limited | Financial services | 2016 |
| Elite Travel Agents Ltd | Administrative & support | 2023 |
| Elitera Group Ltd | Wholesale & retail | 2017 |
| Elizabeth Faye Salons Limited | Other services | 2024 |
| Elizabeth Hunter Limited | Information & communication | 2019 |
| Ellas Cafe Limited | Hospitality | 2019 |
| Elles Psychology Ltd | Education | 2022 |
| Ellie Gibson Limited | Administrative & support | 2013 |
| Ellie Polly Limited | Information & communication | 2024 |
| Ellistons SLP Solicitors Limited | Administrative & support | 2014 |
| ELM Court (Highgate) Management Co. Limited | Households | 1987 |
| ELM Hatch Residents Association (Hatch END) Limited | Other services | 1980 |
| Elman Transport LLP | | 2016 |
| Elmhurst Residential Home Limited | Health & social care | 2025 |
| Elms Edgware Ltd | Real estate | 2018 |
| ELN Electrical Ltd | Construction | 2021 |
| ELN Management Ltd | Real estate | 2025 |
| Elona Hairdressing & Beauty Ltd | Other services | 2023 |
| Elpar Limited | Real estate | 2022 |
| ELS Legal Ltd | Professional & scientific | 2022 |
| Elsam Limited | Real estate | 2020 |
| Elsl Hairdressing Ltd | Other services | 2013 |
| Elstree and Borehamwood Film and TV CIC | Other services | 2024 |
| Elstree and Borehamwood Masorti Community | Other services | 2010 |
| Elstree Aviation Centre Ltd | Administrative & support | 2019 |
| Elstree Civil Engineering Limited | Extraterritorial | 2015 |
| Elstree Cognitive Behaviour Therapy (CBT) Ltd | Health & social care | 2017 |
| Elstree Consultants Ltd | Professional & scientific | 2021 |
| Elstree Effects Limited | Information & communication | 2011 |
| Elstree Electrical Engineering Ltd | Construction | 2018 |
| Elstree Film Studios Limited | Information & communication | 2003 |
| Elstree Fitted Wardrobes Limited | Manufacturing | 2017 |
| Elstree Flooring Ltd | Construction | 2026 |
| Elstree Gardens Ltd | Real estate | 2024 |
| Elstree Immersive Experience Ltd | Arts & recreation | 2026 |
| Elstree Impex Limited | Hospitality | 2023 |
| Elstree INK Limited | Manufacturing | 2012 |
| Elstree Ltd | Information & communication | 2013 |
| Elstree Script Services Limited | Information & communication | 2020 |
| Elstree Storage Ltd | Administrative & support | 2013 |
| Elstree Studios Limited | Information & communication | 2005 |
| Elstree Tyres & Cars Ltd | Manufacturing | 2018 |
| Elwood House Limited | Construction | 2018 |
| Elysium Care Partnerships Limited | Health & social care | 2007 |
| Elysium Care Partnerships NO.2 Limited | Health & social care | 2005 |
| Elysium Healthcare (Acorn Care) Limited | Health & social care | 1996 |
| Elysium Healthcare (ALL Saints) Limited | Health & social care | 2011 |
| Elysium Healthcare (ANN House) Limited | Health & social care | 2013 |
| Elysium Healthcare (Farndon) Limited | Health & social care | 2004 |
| Elysium Healthcare (Field House) Limited | Health & social care | 2004 |
| Elysium Healthcare (Gregory House) Limited | Health & social care | 2014 |
| Elysium Healthcare (Healthlinc) Limited | Health & social care | 1979 |
| Elysium Healthcare (Lighthouse) Limited | Professional & scientific | 2006 |
| Elysium Healthcare (Phoenix) Limited | Health & social care | 2001 |
| Elysium Healthcare (ST Mary's) Limited | Health & social care | 2004 |
| Elysium Healthcare (Ultimate Care) Limited | Health & social care | 2006 |
| Elysium Healthcare Holdings 1 Limited | Professional & scientific | 2016 |
| Elysium Healthcare Holdings 2 Limited | Professional & scientific | 2016 |
| Elysium Healthcare Holdings 3 Limited | Professional & scientific | 2016 |
| Elysium Healthcare LC Limited | Professional & scientific | 2016 |
| Elysium Healthcare Limited | Health & social care | 2000 |
| Elysium Healthcare NO. 2 Limited | Health & social care | 2007 |
| Elysium Healthcare NO. 3 Limited | Health & social care | 1994 |
| Elysium Healthcare NO. 4 Limited | Health & social care | 1996 |
| Elysium Healthcare NO. 5 Limited | Professional & scientific | 2013 |
| Elysium Healthcare NO. 6 Limited | Professional & scientific | 2014 |
| Elysium Healthcare Property 1 Limited | Health & social care | 2005 |
| Elysium Healthcare Property 2 Limited | Health & social care | 2005 |
| Elysium Healthcare Property 3 Limited | Health & social care | 2005 |
| Elysium Healthcare Property 4 Limited | Health & social care | 2006 |
| Elysium Healthcare Property 5 Limited | Health & social care | 2006 |
| Elysium Healthcare Property 6 Limited | Professional & scientific | 2010 |
| Elysium Healthcare Property 7 Limited | Construction | 2008 |
| Elysium Healthcare Property 8 Limited | Health & social care | 2018 |
| Elysium Neurological Services (Adderley) Limited | Health & social care | 2015 |
| Elysium Neurological Services (Badby) Limited | Health & social care | 2005 |
| Elysium Neurological Services Limited | Administrative & support | 2012 |
| El’Fads Capital Ltd | Financial services | 2021 |
| El’Fads White River Ltd | Real estate | 2020 |
| EM Industrial Supplies Limited | Wholesale & retail | 2026 |