| Evolvedoc Online Ltd | Manufacturing | 2022 |
| Evoneering Limited | Hospitality | 2016 |
| EVP 247 Ltd | Transport & logistics | 2026 |
| Evren Sahra Ltd | Hospitality | 2021 |
| Evtsystems Limited | Other services | 2006 |
| EW Enterprise Limited | Real estate | 2020 |
| Ewani AXA Properties Ltd | Real estate | 2024 |
| Ewden Oak Holdings Ltd | Construction | 2022 |
| Ewen Engineering Limited | Manufacturing | 2020 |
| Ewen Support Services Limited | Manufacturing | 2021 |
| EWI Inovations Limited | Construction | 2018 |
| Ex-Gas Ltd | Construction | 2015 |
| EX4M Limited | Administrative & support | 2013 |
| Exabyte Games Ltd | Information & communication | 2020 |
| Exact Books Limited | Professional & scientific | 2018 |
| Exact IT Limited | Information & communication | 2014 |
| Example Marketing Ltd | Professional & scientific | 2022 |
| Example Recruitment Group Ltd | Administrative & support | 2011 |
| Example Recruitment Limited | Administrative & support | 2023 |
| Excalibur Pubs Ltd | Hospitality | 2022 |
| Excel Bespoke Holding Limited | Financial services | 2024 |
| Excel Bespoke Plaster Ltd | Construction | 2016 |
| Excel Detailing Supplies Limited | Wholesale & retail | 2017 |
| Excel Healthcare Staffing Ltd | Administrative & support | 2023 |
| Excel Kickboxing Academy CIC | Arts & recreation | 2024 |
| Excel Martial Arts Limited | Arts & recreation | 2021 |
| Excel Merchandising Sales Limited | Arts & recreation | 2021 |
| Excel Parking Services Limited | Transport & logistics | 1993 |
| Excel Property Partners Ltd | Hospitality | 2015 |
| Excel Supported Living Ltd | Health & social care | 2025 |
| Excell Home Care Ltd | Health & social care | 2009 |
| Excellence Trading Ltd | Wholesale & retail | 2020 |
| Excellence Travel Ltd | Transport & logistics | 2023 |
| Excellent Design Headquarters Limited | Professional & scientific | 2014 |
| Excellent Estates Ltd | Arts & recreation | 2016 |
| Excellent Finishes Consult Ltd | Professional & scientific | 2025 |
| Excellent Investment Properties Limited | Households | 2025 |
| Excellent Staffing Ltd | Administrative & support | 2020 |
| Excelsior 4 Limited | Construction | 2001 |
| Excelsior Drylining Limited | Construction | 2018 |
| Excelsior Professional Consults Ltd | Professional & scientific | 2025 |
| Excess Protect Limited | Extraterritorial | 2010 |
| Excess Stock International Limited | Wholesale & retail | 2016 |
| Exchange Asset Management Limited | Real estate | 2015 |
| Excite International Ltd | Wholesale & retail | 2022 |
| Exciting Instruments Limited | Manufacturing | 2021 |
| Exclusive Automotive Ltd | Wholesale & retail | 2018 |
| Exclusive Beds Ltd | Manufacturing | 2025 |
| Exclusive Protection Ltd | Administrative & support | 2021 |
| Executive Producer Services Limited | Information & communication | 2023 |
| Executive Search Worldwide Ltd | Administrative & support | 2017 |
| Executive Searching Ltd | Administrative & support | 2024 |
| Exel Pharmacy Limited | Wholesale & retail | 2024 |
| Exemplar Business Services Limited | Administrative & support | 2001 |
| Exemplar Health Care Group Limited | Health & social care | 2011 |
| Exemplar Health Care Limited | Health & social care | 2001 |
| Exemplar Health Care Partnerships Limited | Health & social care | 2002 |
| Exemplar Health Care Services Limited | Professional & scientific | 1999 |
| Exemplar Holdings Limited | Health & social care | 2004 |
| Exemplar Homes Limited | Health & social care | 2002 |
| Exemplar Limited | Health & social care | 2005 |
| Exemplar Operations Limited | Health & social care | 2004 |
| Exemplary Marketing Limited | Extraterritorial | 2011 |
| Exemplum Consultancy Ltd | Professional & scientific | 2026 |
| Exep Ltd | Wholesale & retail | 2025 |
| Exergicengineering Limited | Professional & scientific | 2012 |
| Exergy Ltd | Information & communication | 2011 |
| Exeter Way Group Ltd | Transport & logistics | 2021 |
| Exeunt Ltd | Information & communication | 2024 |
| Exhausts UK Limited | Manufacturing | 2004 |
| Exhibit LA Limited | Extraterritorial | 2021 |
| Exiled Defenders Limited | Wholesale & retail | 2016 |
| Eximex (UK) Limited | Wholesale & retail | 2010 |
| Eximia Broking Limited | Financial services | 2023 |
| Eximia Holdings Ltd | Financial services | 2026 |
| EXIT31 Ltd | Wholesale & retail | 2019 |
| Exmoor Skip Hire Limited | Water & waste | 2015 |
| Exobreath Limited | Manufacturing | 2022 |
| Exocube Biotechnology Limited | Professional & scientific | 2023 |
| Exodus Interiors Limited | Manufacturing | 2023 |
| EXODUS1 Limited | Administrative & support | 2019 |
| Expac (Preston) Limited | Manufacturing | 1980 |
| Expac Commercial Limited | Manufacturing | 2020 |
| Expand Development Ltd | Construction | 2020 |
| Expanse Limited | Other services | 2013 |
| Expectods UK Ltd | Wholesale & retail | 2024 |
| Expedition Logistics Limited | Transport & logistics | 2026 |
| Expedition Psychology Group Ltd | Education | 2026 |
| Expedition Psychology Ltd | Health & social care | 2025 |
| Experience Shared Limited | Professional & scientific | 2022 |
| Experiential Training Collective Ltd | Education | 2022 |
| Expero Ltd | Transport & logistics | 2022 |
| Expert Care Services Limited | Health & social care | 2010 |
| Expert Energy Consultancy Limited | Professional & scientific | 2012 |
| Expert Media Group Limited | Other services | 2024 |
| Expert Medical Consultants Ltd | Health & social care | 2021 |
| Expert Roofers SYK Limited | Construction | 2025 |
| Expert Secretarial Services Ltd | Administrative & support | 2017 |
| Expert Shoulders Ltd | Health & social care | 2020 |
| Expert Supportive Care Ltd | Health & social care | 2025 |