| Excel Paper & Polythene Limited | Extraterritorial | 2012 |
| Excel Training and Skills Ltd | Education | 2026 |
| Excel Windows (Midlands) Ltd | Construction | 2003 |
| Exceleo Ltd | Financial services | 2021 |
| Excelle Builds Ltd | Real estate | 2020 |
| Excellearningpro Ltd | Education | 2026 |
| Excellence Transport Ltd | Transport & logistics | 2024 |
| Excellent CUT Leics Ltd | Other services | 2023 |
| Excellent Solution Ltd | Professional & scientific | 2024 |
| Excellion Projects and Properties Ltd | Real estate | 2024 |
| Excellstuff Wholesales Limited | Wholesale & retail | 2025 |
| Excelsius Ltd | Administrative & support | 2015 |
| Excelstuff Limited | Wholesale & retail | 2020 |
| Exceptional Minds Limited | Professional & scientific | 2023 |
| Exceptional Projects Limited | Construction | 2021 |
| Excite Health Solutions Limited | Professional & scientific | 2024 |
| Exclusive Delivery Network Limited | Transport & logistics | 2024 |
| Exclusive Hearing Limited | Wholesale & retail | 2009 |
| Exclusive Home Creations Ltd | Construction | 2021 |
| Exclusive Installation Limited | Construction | 2021 |
| Exclusive Leisure Limited | Construction | 2000 |
| Exec Practice Ltd | Professional & scientific | 2014 |
| Executive Alarms Holdings Limited | Extraterritorial | 2018 |
| Executive Alarms Limited | Construction | 1998 |
| Executive Canine Security Services Ltd | Administrative & support | 2021 |
| Executive Safety Solutions Ltd | Administrative & support | 2020 |
| Exel Cleaning Limited | Administrative & support | 2007 |
| Exel Facilities Limited | Administrative & support | 2020 |
| Exel Global Ltd | Wholesale & retail | 2026 |
| Exelar Ltd | Professional & scientific | 2018 |
| Exelar Properties Ltd | Real estate | 2022 |
| Exelima Limited | Hospitality | 2021 |
| Exem Limited | Information & communication | 2020 |
| Exemplm Ltd | Manufacturing | 2017 |
| Exerax Ltd | Information & communication | 2022 |
| Exero Lifestyle North Limited | Professional & scientific | 2017 |
| Exero Lifestyle South Limited | Professional & scientific | 2017 |
| Exero Lifestyle Three Limited | Arts & recreation | 2017 |
| Exero Lifestyle Two Limited | Arts & recreation | 2017 |
| Exero Properties Limited | Professional & scientific | 2017 |
| Exescodo Design Ltd. | Construction | 2012 |
| Exescodo Products Limited | Construction | 2014 |
| Exigo AIC Ltd | Manufacturing | 2014 |
| Exilco Tech Ltd | Wholesale & retail | 2021 |
| Eximuk Limited | Wholesale & retail | 2017 |
| Exit Exhibitions Limited | Financial services | 2018 |
| Exitile Access Limited | Manufacturing | 2012 |
| Exitlight Limited | Wholesale & retail | 1982 |
| EXL Cleaning Ltd | Administrative & support | 2024 |
| EXO International LP | | 2017 |
| Exodus Management Limited | Professional & scientific | 2015 |
| Exonico Ltd | Information & communication | 2026 |
| Exoset Limited | Construction | 2016 |
| Exotic Collection Ltd | Wholesale & retail | 2026 |
| Exotic Superbikes Limited | Wholesale & retail | 2020 |
| Exoticco Limited | Manufacturing | 2013 |
| Expedio Ltd | Other services | 2025 |
| Expedited Europe Ltd | Wholesale & retail | 2015 |
| Expedition Dynamics Ltd | Professional & scientific | 2012 |
| Expeditus Investments Ltd | Real estate | 2016 |
| Experience Ardeche Ltd | Administrative & support | 2015 |
| Experiences Direct Limited | Arts & recreation | 2019 |
| Experiential Intelligence Ltd | Information & communication | 2017 |
| Expert Accounting Leicester Ltd | Professional & scientific | 2025 |
| Expert Estimation Home Ltd | Real estate | 2020 |
| Expert Executives Ltd | Other services | 2025 |
| Expert Property Hub Limited | Real estate | 2024 |
| Expertiq Limited | Information & communication | 2026 |
| Expertlink Solutions Limited | Information & communication | 2025 |
| Expiation International UK Limited | Extraterritorial | 2019 |
| Explicate Solutions Limited | Professional & scientific | 2019 |
| Explorezanzi.Com Ltd | Administrative & support | 2023 |
| Expodus Limited | Administrative & support | 2017 |
| Export Packers (Heathrow) Limited | Professional & scientific | 2016 |
| Export Packers Limited | Professional & scientific | 2016 |
| Exposure Pictures LLP | | 2011 |
| Express 8 Solutions Limited | Wholesale & retail | 2026 |
| Express Advertisements Group Limited | Professional & scientific | 2019 |
| Express Assemblies Limited | Manufacturing | 2002 |
| Express Auto Parts Ltd | Wholesale & retail | 2020 |
| Express Bees Limited | Transport & logistics | 2025 |
| Express Couriers Nationwide Limited | Transport & logistics | 2025 |
| Express Drop Ltd | Wholesale & retail | 2026 |
| Express Dyeworks Ltd | Manufacturing | 2020 |
| Express Housebuyers Limited | Real estate | 2007 |
| Express Kitchens Bedrooms & Studies Ltd | Manufacturing | 2026 |
| Express Logistics Nationwide Limited | Transport & logistics | 2023 |
| Express Motor Clinic Ltd | Wholesale & retail | 2019 |
| Express Partners Logistics Limited | Transport & logistics | 2019 |
| Express Properties (Leicester) Ltd | Real estate | 2014 |
| Express Properties (UK) Ltd | Real estate | 2014 |
| Express Property Compliance Limited | Information & communication | 2026 |
| Express Vans Logistics Ltd | Transport & logistics | 2025 |
| Exquisite Apartments Limited | Real estate | 2022 |
| Exquisite Cosmetics Limited | Wholesale & retail | 1977 |
| Exquisite Displays Limited | Manufacturing | 2003 |
| EXR Hub Limited | Information & communication | 2026 |
| Exse Services Ltd | Health & social care | 2022 |
| Extract Limited | Construction | 2017 |
| Extrana Group Ltd | Construction | 2025 |