| Elektrofact Limited | Construction | 1988 |
| Eleven Digital Limited | Professional & scientific | 2003 |
| Eleven Seven Limited | Professional & scientific | 2008 |
| Eley Plant Hire Limited | Real estate | 1995 |
| Elihan Limited | Real estate | 2016 |
| Elishana Ltd | Real estate | 2014 |
| Elite Accountancy and Taxation Services Ltd | Professional & scientific | 2007 |
| Elite Compacc Limited | Construction | 2004 |
| Elite Sports Distribution Ltd | Arts & recreation | 2022 |
| Elitepalm Limited | | 1984 |
| Elizabeth Machin PR Ltd | Administrative & support | 2002 |
| Elizabeth Mews (Management) Company Limited | Households | 1988 |
| Ellerslie Productions Ltd | Information & communication | 2025 |
| Ellie Mews Management Company Limited | Households | 1998 |
| Ellward Estates Limited | Real estate | 1969 |
| Elmhurst Associates Ltd | Administrative & support | 2007 |
| Elopand Limited | Real estate | 1979 |
| Eloria Bedding Ltd | Wholesale & retail | 2025 |
| Elswood Foods (2005) Limited | Wholesale & retail | 2005 |
| Eltra Global (UK) Limited | Wholesale & retail | 2005 |
| Elysian Health Ltd | Health & social care | 2010 |
| Em-Project Limited | Professional & scientific | 2006 |
| Embrace Style Limited | Manufacturing | 2017 |
| Emea-Tek Ltd | Information & communication | 2004 |
| Emerald Telecom Limited | Information & communication | 2018 |
| Emilar International Limited | | 1987 |
| Emiran OIL International Limited | Mining & quarrying | 2005 |
| EMS Technical Personnel Limited | Administrative & support | 1998 |
| Enbee Enterprises Limited | Wholesale & retail | 2001 |
| Enchanted Holidays Limited | Administrative & support | 2007 |
| Enderby Services Ltd | Professional & scientific | 2007 |
| Enfield (JKL) Limited | Extraterritorial | 2001 |
| Enfield (MNO) Limited | Extraterritorial | 2002 |
| Enfield Centre for Natural Health Limited | Health & social care | 1999 |
| Enfield Tandoori Ltd | Hospitality | 2003 |
| Enfield Women's Centre | Health & social care | 2003 |
| Engineering Sciences Limited | Professional & scientific | 1999 |
| Enhance - XP Ltd | Professional & scientific | 2013 |
| Enigma Media & Entertainment Ltd | Information & communication | 2003 |
| Entity Limited | Information & communication | 1988 |
| Envirofresh Solutions Ltd | Water & waste | 2013 |
| Enze Limited | Real estate | 2000 |
| Eoin. Flavin | | 1998 |
| Eoptimiser Limited | Information & communication | 2003 |
| Epic Image Limited | Manufacturing | 2014 |
| Epicrise Limited | Real estate | 1988 |
| Epilogue Imaging Limited | Arts & recreation | 2003 |
| Epoch Industries Ltd | Professional & scientific | 2017 |
| Epoch Systems Limited | Professional & scientific | 2003 |
| Epsilon Consultants Limited | Information & communication | 2007 |
| Equiunity Investments Ltd | Real estate | 2025 |
| Eros Group Limited | Real estate | 2020 |
| Ersat Limited | Construction | 1994 |
| Escort Engineering Ltd | Professional & scientific | 1998 |
| ESM Solutions Limited | Administrative & support | 2006 |
| Espinside Limited | Real estate | 1999 |
| Essa Capital Investment Limited | Real estate | 2024 |
| Estatecore Ltd | Real estate | 2026 |
| ETC Graphics Limited | Manufacturing | 2024 |
| Ethnic Media Focus Limited | Professional & scientific | 2000 |
| Ethnic Touch Limited | Wholesale & retail | 2004 |
| Etrex Limited | Construction | 1996 |
| Eunicare Limited | Wholesale & retail | 2012 |
| Euro Enterprise Contractors (GB) Limited | Administrative & support | 2001 |
| Euro Food & Wine Limited | Wholesale & retail | 2007 |
| Euro Gateway Limited | Information & communication | 1993 |
| Euro Impex Limited | Households | 1995 |
| Eurobland Limited | Hospitality | 1983 |
| Eurocity Building Contractors Ltd | Construction | 2009 |
| Eurogem Limited | Wholesale & retail | 2006 |
| Euromix (UK) Limited | Manufacturing | 2000 |
| European Fiscal Services Ltd | Information & communication | 1997 |
| European Productions Limited | Other services | 1994 |
| Eurovision International Limited | Real estate | 1991 |
| Eurozone Technologies Limited | Wholesale & retail | 2002 |
| Eurozone Trading Limited | Administrative & support | 2003 |
| EVA Kuntz Concept Design Limited | Information & communication | 2013 |
| Evaara Properties Ltd | Real estate | 2024 |
| Evedean Limited | Administrative & support | 2003 |
| Everest Enterprise Ltd | Hospitality | 2026 |
| Everest Executive Briefings Ltd | Professional & scientific | 2024 |
| Everest View Limited | Hospitality | 2024 |
| Everfresh (UK) Limited | Wholesale & retail | 2006 |
| Everglade Windows Limited | Construction | 1989 |
| Evertech Engineering Services Limited | Professional & scientific | 1976 |
| Everydays Enterprises Limited | Wholesale & retail | 2003 |
| EW Barkingside Limited | Real estate | 2024 |
| Exact Profiles Consulting Limited | Professional & scientific | 1995 |
| Exact Profiles Limited | Extraterritorial | 2000 |
| Exact Solutions Limited | Administrative & support | 1992 |
| Exacta Enterprises Limited | Information & communication | 1986 |
| Exactics Ltd | Professional & scientific | 2020 |
| Excel Outdoor Media Limited | Professional & scientific | 1992 |
| Excell Services Limited | Construction | 2000 |
| Excelsior Cars and Couriers Limited | Transport & logistics | 2001 |
| Exclusive Chef Limited | Hospitality | 2002 |
| Executive Accounting and Taxation Ltd. | Professional & scientific | 2005 |
| Executive Consulting Circle Limited | Information & communication | 1999 |
| Executive DRY Cleaners & Asian Fashion Designers Limited | Other services | 1998 |
| Exelens Ltd | Real estate | 2002 |