| Emilygold Limited | Wholesale & retail | 2022 |
| Emjays Hospitality Limited | Hospitality | 2020 |
| EML Building & Paving Limited | Administrative & support | 2024 |
| Emmasfoam Limited | Wholesale & retail | 2018 |
| Empine (Holdings) Limited | Financial services | 2025 |
| Empine Group Ltd | Manufacturing | 2015 |
| Empine Property Ltd | Real estate | 2019 |
| Empyrian House Ltd | Hospitality | 2025 |
| Enderbys of Boston Limited | Wholesale & retail | 2011 |
| Energotech Limited | Manufacturing | 2022 |
| Energy Assets Construction Limited | Construction | 2001 |
| Energy Assets Fibre Networks Limited | Administrative & support | 2016 |
| Energy Assets Financing Limited | Financial services | 2016 |
| Energy Assets Group Holdings Limited | Financial services | 2020 |
| Energy Assets Group Limited | Administrative & support | 2012 |
| Energy Assets Limited | Administrative & support | 2005 |
| Energy Assets Midco Limited | Financial services | 2016 |
| Energy Assets Networks Financing Limited | Financial services | 2023 |
| Energy Assets Networks Holdings Limited | Administrative & support | 2023 |
| Energy Assets Networks Limited | Construction | 2016 |
| Energy Assets Pipelines Limited | Administrative & support | 2013 |
| Energy Assets Topco Limited | Financial services | 2016 |
| Energy Assets Utilities Limited | Construction | 1999 |
| Enfield Optical Limited | Health & social care | 2016 |
| Enodo IT Limited | Information & communication | 2020 |
| Enterprise Electrical NW Ltd | Construction | 2025 |
| Enterprise Holdings (NW) Ltd | Wholesale & retail | 2022 |
| Envisio Ltd | Construction | 2016 |
| EPC 4 Home (NW) Ltd | Professional & scientific | 2012 |
| Equity Living Ltd | Real estate | 2025 |
| Estate Union Limited | Administrative & support | 2017 |
| Eternitas Investment Fund LP | | 2008 |
| Euin Steele & Partners Optical Limited | Health & social care | 2023 |
| Eunivelle Property Limited | Real estate | 2025 |
| Evans & Hughes Limited | Health & social care | 1988 |
| Evans & Jones Optical Limited | Wholesale & retail | 2026 |
| Evchargeclever Ltd | Construction | 2022 |
| Event Logistics - Planning and Solutions Ltd | Professional & scientific | 2025 |
| Eventgate Ltd | Hospitality | 2025 |
| Every Aspect Ltd | Financial services | 2005 |
| Evington Eyecare Ltd | Wholesale & retail | 2002 |
| Evolution Recovery Ltd | Real estate | 2026 |
| Evolve Fitness Darwen Limited | Arts & recreation | 2024 |
| Evove Photography Ltd | Professional & scientific | 2018 |
| Eximo Works Ltd | Water & waste | 2026 |
| Expert Education & Visa Consultants Limited | Professional & scientific | 2026 |
| Extension Emporium Ltd | Other services | 2024 |
| EYE 2 EYE Vision Ltd | Health & social care | 2021 |
| EYE Academy (Winds) Limited | Wholesale & retail | 2024 |
| EYE Care Centre (Spalding) Limited | Health & social care | 2004 |
| EYE Place (Bakewell) Ltd | Wholesale & retail | 2008 |
| EYE Place (Belsize) Ltd | Wholesale & retail | 2010 |
| EYE Place (Dore) Ltd | Wholesale & retail | 2015 |
| EYE Place (Fitzrovia) Ltd | Wholesale & retail | 2016 |
| EYE Place (Fleet Street) Ltd | Wholesale & retail | 2012 |
| EYE Place (Richmond) Limited | Wholesale & retail | 2026 |
| EYE Place (Shoreditch) Ltd | Wholesale & retail | 2019 |
| Eyeline Optics Ltd | Health & social care | 2013 |
| Eyer Payment Solutions Ltd | Wholesale & retail | 2022 |
| Eyes on Broadway Ltd | Wholesale & retail | 2022 |
| Eyes Optical (Edinburgh) Limited | Wholesale & retail | 2024 |
| Eyesentials Limited | Wholesale & retail | 2002 |
| Eyesite Practices Limited | Wholesale & retail | 1988 |
| Eyesite Weybridge Limited | Wholesale & retail | 1995 |
| Eyesite Woking Limited | Wholesale & retail | 1992 |
| Eyetech (Street) Limited | Wholesale & retail | 2022 |
| Eyetech Opticians Ltd | Wholesale & retail | 1987 |
| F & I Services Limited | Wholesale & retail | 2016 |
| FA Sports Management Ltd | Other services | 2022 |
| FAB Consulting Limited | Administrative & support | 2014 |
| FAB Eco Ltd | Construction | 2025 |
| Face Furniture Limited | Health & social care | 2008 |
| Faceplant Studios Ltd | Information & communication | 2021 |
| Fair SK Ltd | Households | 2022 |
| Fairmount Worldwide Ltd | Wholesale & retail | 2021 |
| Fajer Bakery Limited | Wholesale & retail | 2015 |
| Falcon Fabrications Ltd | Manufacturing | 2021 |
| FAR Better Limited | Wholesale & retail | 2025 |
| Farrix Limited | Extraterritorial | 2025 |
| Fashion Box Limited | Real estate | 1999 |
| FAT KAT Promotions Ltd | Administrative & support | 2019 |
| Favourite Fragrances Ltd | Wholesale & retail | 2025 |
| Fd.Med Ltd | Health & social care | 2020 |
| Fenni Deli Ltd | Wholesale & retail | 2016 |
| Fenton Building Solutions Ltd | Construction | 2017 |
| Fide Design Ltd | Other services | 2018 |
| Fillip Ltd | Health & social care | 2021 |
| Financial Agreement Solutions Limited | Information & communication | 2005 |
| Find ME a Business Ltd | Information & communication | 2014 |
| Finest MIX Grill Ltd | Hospitality | 2022 |
| Finniston Limited | Wholesale & retail | 2013 |
| Fire and Events Ltd | Professional & scientific | 2026 |
| Firmbase Piling Ltd | Construction | 2022 |
| First Class Tree Care Ltd | Administrative & support | 2018 |
| First Contact Opticians Limited | Health & social care | 2000 |
| First Wave I Limited | Financial services | 2020 |
| First Wave MIP Nominees Limited | Financial services | 2020 |
| Fitness Monkey Ltd | Wholesale & retail | 2020 |
| Fitsthebill Ltd | Wholesale & retail | 2019 |
| Flamebird Limited | Hospitality | 2025 |