| Endeavour Northern Investments Ltd | Real estate | 2017 |
| Endeavour Northern Limited | Hospitality | 1994 |
| Endeavour Trent Limited | Extraterritorial | 2004 |
| Ender Construction Group Ltd | Construction | 2024 |
| Ender Construction Ltd | Other services | 2017 |
| Ender Group Limited | Financial services | 2026 |
| Ender Roofing Ltd | Construction | 2025 |
| Endeverus Limited | Information & communication | 2013 |
| Endless Adventure North East Ltd | Education | 2012 |
| Energies France Limited | Administrative & support | 2013 |
| Energising CLG (1) Limited | Financial services | 2014 |
| Energising CLG (10) Limited | Administrative & support | 2016 |
| Energising CLG (11) Limited | Administrative & support | 2016 |
| Energising CLG (12) Limited | Administrative & support | 2016 |
| Energising CLG (13) Limited | Administrative & support | 2016 |
| Energising CLG (14) Limited | Administrative & support | 2016 |
| Energising CLG (15) Limited | Administrative & support | 2017 |
| Energising CLG (16) Limited | Administrative & support | 2017 |
| Energising CLG (17) Limited | Administrative & support | 2017 |
| Energising CLG (18) Limited | Administrative & support | 2017 |
| Energising CLG (19) Limited | Administrative & support | 2017 |
| Energising CLG (2) Limited | Financial services | 2015 |
| Energising CLG (20) Limited | Administrative & support | 2017 |
| Energising CLG (21) Limited | Administrative & support | 2017 |
| Energising CLG (22) Limited | Administrative & support | 2017 |
| Energising CLG (23) Limited | Administrative & support | 2017 |
| Energising CLG (24) Limited | Administrative & support | 2017 |
| Energising CLG (25) Limited | Administrative & support | 2018 |
| Energising CLG (26) Limited | Administrative & support | 2018 |
| Energising CLG (27) Limited | Administrative & support | 2018 |
| Energising CLG (28) Limited | Administrative & support | 2018 |
| Energising CLG (29) Limited | Administrative & support | 2018 |
| Energising CLG (3) Limited | Financial services | 2015 |
| Energising CLG (30) Limited | Administrative & support | 2018 |
| Energising CLG (31) Limited | Administrative & support | 2018 |
| Energising CLG (32) Limited | Administrative & support | 2018 |
| Energising CLG (33) Limited | Administrative & support | 2018 |
| Energising CLG (34) Limited | Administrative & support | 2018 |
| Energising CLG (35) Limited | Administrative & support | 2019 |
| Energising CLG (36) Limited | Administrative & support | 2019 |
| Energising CLG (37) Limited | Administrative & support | 2019 |
| Energising CLG (38) Limited | Administrative & support | 2019 |
| Energising CLG (39) Limited | Administrative & support | 2019 |
| Energising CLG (4) Limited | Financial services | 2015 |
| Energising CLG (40) Limited | Administrative & support | 2020 |
| Energising CLG (41) Limited | Administrative & support | 2020 |
| Energising CLG (42) Limited | Administrative & support | 2020 |
| Energising CLG (43) Limited | Administrative & support | 2020 |
| Energising CLG (44) Limited | Administrative & support | 2020 |
| Energising CLG (45) Limited | Administrative & support | 2020 |
| Energising CLG (46) Limited | Administrative & support | 2020 |
| Energising CLG (47) Limited | Administrative & support | 2020 |
| Energising CLG (5) Limited | Financial services | 2015 |
| Energising CLG (6) Limited | Financial services | 2015 |
| Energising CLG (7) Limited | Financial services | 2015 |
| Energising CLG (8) Limited | Financial services | 2015 |
| Energising CLG (9) Limited | Financial services | 2015 |
| Energy BEE Group Ltd | Other services | 2025 |
| Energy Friends (UK) Ltd | Professional & scientific | 2017 |
| Energy Water and Tax Solutions Ltd | Administrative & support | 2026 |
| ENERGY4BIZ Ltd | Energy | 2018 |
| Energysmith Limited | Energy | 2018 |
| Enerquity Limited | Financial services | 2025 |
| Enesis Ltd | Professional & scientific | 2010 |
| Enfield Properties Limited | Real estate | 1985 |
| Enhanced Care and Support Limited | Health & social care | 2013 |
| Enhanced Care Limited | Extraterritorial | 2012 |
| Enhanced Elderly Care Limited | Health & social care | 2004 |
| Enhanced Home Care Services Limited | Health & social care | 2015 |
| Enhanced Young Persons' Care Limited | Health & social care | 2010 |
| Enlim Electrics Limited | Construction | 2017 |
| Enquirehub Limited | Information & communication | 2017 |
| Ensemble Investment Limited | Real estate | 2020 |
| Ensign Decorating Limited | Construction | 2002 |
| Envirolux Holdings Limited | Financial services | 2015 |
| Envirolux Ltd | Manufacturing | 2009 |
| Enviropak Ltd | Manufacturing | 2018 |
| Envoy Computer Services Ltd | Information & communication | 1998 |
| EP Dyner Ltd | Health & social care | 2014 |
| EP Valves Limited | Wholesale & retail | 2018 |
| EPC NE Investments Ltd | Real estate | 2022 |
| Epcon Ltd | Construction | 2007 |
| Epic Natural Ltd | Wholesale & retail | 2024 |
| Equal PAY Consultancy Services Limited | Information & communication | 2013 |
| Equity Beemak Limited | Manufacturing | 2025 |
| Equity Release (Increments) Limited | Real estate | 2006 |
| Equity Release (Increments) Nominees NO. 1 Limited | Real estate | 2007 |
| Equity Release (Increments) Nominees NO. 2 Limited | Real estate | 2007 |
| Equity Release (Increments) Nominees NO.10 Limited | Real estate | 2004 |
| Equity Release (Increments) Nominees NO.3 Limited | Real estate | 2013 |
| Equity Release (Increments) Nominees NO.4 Limited | Real estate | 2013 |
| Equity Release (Increments) Nominees NO.5 Limited | Real estate | 2013 |
| Equity Release (Increments) Nominees NO.6 Limited | Real estate | 2013 |
| Equity Release (Increments) Nominees NO.7 Limited | Real estate | 2006 |
| Equity Release (Increments) Nominees NO.8 Limited | Real estate | 2006 |
| Equity Release (Increments) Nominees NO.9 Limited | Real estate | 2004 |
| Equity Release Investment Company 2 Limited | Financial services | 2019 |
| Equity Release Investment Company Limited | Administrative & support | 2018 |
| Equity Release Investment Properties Limited | Real estate | 2005 |
| Equiwatt Limited | Information & communication | 2015 |