| Exceed Marketing Ltd | Information & communication | 2018 |
| Exceed Sports Group Ltd | Health & social care | 2020 |
| Excel Bespoke Composite Doors Ltd | Manufacturing | 2018 |
| Excel Cars Yorkshire Limited | Transport & logistics | 2017 |
| Excel Door Supplies Ltd | Manufacturing | 2013 |
| Excel Flooring (Leeds) Limited | Wholesale & retail | 1990 |
| Excel Ride Ltd | Administrative & support | 2023 |
| Excel Secure Solutions Ltd | Professional & scientific | 2017 |
| Excel Solutions (UK) Ltd | Administrative & support | 2011 |
| Excel Worktops Ltd | Construction | 2026 |
| Excelle Travel Limited | Administrative & support | 2013 |
| Excellence Mentoring Limited | Health & social care | 2017 |
| Excellent Care Solutions Ltd | Health & social care | 2017 |
| Excellent HR Solutions Ltd | Administrative & support | 2018 |
| Excellent Mini Market Limited | Wholesale & retail | 2023 |
| EXCELLENTIA69 Special Services Limited | Professional & scientific | 2022 |
| Excelsior Developments Limited | Real estate | 2022 |
| Excelsior Information Systems Limited | Information & communication | 1991 |
| Excelwraps Limited | Information & communication | 2018 |
| Excess Margins Ltd | Wholesale & retail | 2024 |
| Exclusive Recovery and Transport Ltd | Wholesale & retail | 2025 |
| Exclusive Residence Ltd | Real estate | 2025 |
| Exclusive Trade & Building Services Limited | Other services | 2017 |
| Exclusively Mortgages Ltd | Financial services | 2017 |
| Excolo Investments Limited | Real estate | 2016 |
| Excorian Limited | Administrative & support | 2007 |
| Exec 3 Solutions Limited | Administrative & support | 2004 |
| Exec Vault Ltd | Information & communication | 2026 |
| Execove Limited | Professional & scientific | 2021 |
| Execovia Limited | Information & communication | 2025 |
| Executive Insurance Services Ltd | Financial services | 2001 |
| Executive Jobs Ltd | Administrative & support | 2025 |
| Executive Management People Limited | Administrative & support | 2025 |
| Exelero E1 Limited | Hospitality | 2015 |
| Exemplary Consulting Limited | Information & communication | 2021 |
| Exemplary Global Trading Limited | Wholesale & retail | 2026 |
| Exemplary Minds Ltd | Information & communication | 2019 |
| Exemplary Properties Limited | Real estate | 2021 |
| Exertis (Holdings) Ltd | Professional & scientific | 1989 |
| Exertis GEM Limited | Professional & scientific | 2013 |
| Exertis Micro P Limited | Professional & scientific | 2011 |
| Exeter Energy Limited | Construction | 2022 |
| Exgres Limited | Extraterritorial | 2010 |
| Exhibit Green Limited | Extraterritorial | 2008 |
| Exhibit House Ltd | Manufacturing | 2011 |
| Exigence Consulting Limited | Administrative & support | 2016 |
| Eximious Alliance Ltd | Professional & scientific | 2020 |
| Exitus Holding 1 Limited | Financial services | 2022 |
| Exitus Holding 2 Limited | Financial services | 2022 |
| Exitus Holding 3 Limited | Financial services | 2022 |
| Exitus Holding 4 Limited | Financial services | 2023 |
| Exitus Holding 5 Limited | Financial services | 2024 |
| Exitus Holding 6 Limited | Financial services | 2024 |
| Exitus Holding 7 Limited | Financial services | 2024 |
| Exitus Holding Limited | Financial services | 2022 |
| Exleys' Decorators Limited | Construction | 2003 |
| Exmas Ltd | Administrative & support | 2023 |
| EXO Foods Limited | Wholesale & retail | 2019 |
| Exodia Limited | Construction | 2017 |
| Exodia Property Ltd | Real estate | 2021 |
| Exodus Leeds Ltd | Hospitality | 2024 |
| Exord UK PTE. Ltd. | Administrative & support | 2012 |
| Exoro Limited | Administrative & support | 2007 |
| Exorow Limited | Information & communication | 2025 |
| Exorow- Food and Beverages Ltd | Hospitality | 2025 |
| Exothermite Ltd | Manufacturing | 2025 |
| Expanse Factory Racing Limited | Extraterritorial | 2018 |
| Expat Property Investments Ltd | Real estate | 2024 |
| Expede Consumables Ltd | Wholesale & retail | 2022 |
| Expedico Ltd | Transport & logistics | 2025 |
| Expenseplus Ltd | Information & communication | 2015 |
| Experiential Academy Ltd | Wholesale & retail | 2024 |
| Expert Business Solutions Ltd | Professional & scientific | 2024 |
| Expert Electrical Ltd | Construction | 2011 |
| Expert Health Limited | Health & social care | 2000 |
| Expert Media & Technology Ltd | Information & communication | 2021 |
| Expert Pharma Services Ltd | Professional & scientific | 2025 |
| Expert Tiling Leeds Ltd | Construction | 2024 |
| Expert Websites & Marketing Ltd | Information & communication | 2024 |
| Expert Yorkshire EYE Services LLP | | 2013 |
| Expertpro Limited | Extraterritorial | 2021 |
| Explore Business Limited | Administrative & support | 2025 |
| Explore Quick Trading Ltd | Wholesale & retail | 2018 |
| Expo Entertainment Ltd | Information & communication | 2017 |
| Expo Properties (Yorkshire) Ltd | Real estate | 2025 |
| Export Packing Limited | Other services | 2014 |
| Exposed Systems Ltd | Information & communication | 2010 |
| Express Aluminium Roofs Limited | Manufacturing | 2010 |
| Express BI Folding Doors Limited | Manufacturing | 2007 |
| Express Bi-Folds Direct Limited | Construction | 2007 |
| Express Cart Ltd | Wholesale & retail | 2025 |
| Express CUT and Edge Ltd | Manufacturing | 2023 |
| Express Data Limited | Information & communication | 1980 |
| Express Developments Leeds LLP | | 2009 |
| Express Driving Ltd | Education | 2023 |
| Express Future Ltd | Real estate | 2019 |
| Express Gadgets Limited | Wholesale & retail | 2019 |
| Express Logistics Services Ltd | Transport & logistics | 2025 |
| Express Projects Ltd | Construction | 2016 |
| Express Rooms Ltd | Extraterritorial | 2011 |