| Elva Ainsworth Ltd | Professional & scientific | 2009 |
| Elxe Ltd | Real estate | 2012 |
| ELY Property Holdings Ltd | Real estate | 2025 |
| Elysiumgarden Limited | Real estate | 2025 |
| Elyta Ltd | Wholesale & retail | 2021 |
| EM Automotive Ltd | Wholesale & retail | 2026 |
| EM Dance Coaching Ltd | Arts & recreation | 2022 |
| EM Group Ltd | Professional & scientific | 2012 |
| EM Media Solutions Ltd | Professional & scientific | 2020 |
| EM Performing Academy Ltd | Arts & recreation | 2022 |
| EM Woodturning Limited | Construction | 2018 |
| Emaan Enterprises Ltd | Wholesale & retail | 2024 |
| Emagination Productions Ltd | Manufacturing | 1992 |
| Emailcenter UK Limited | Professional & scientific | 2001 |
| Eman Engineering Limited | Manufacturing | 2011 |
| Eman's Provisions Ltd | Wholesale & retail | 2023 |
| Emanate IT Limited | Information & communication | 2015 |
| Emannsys Limited | Professional & scientific | 2014 |
| Emarr Limited | Real estate | 2022 |
| Embedding Change Limited | Professional & scientific | 2021 |
| Embelle Reptiles Ltd | Wholesale & retail | 2024 |
| Emberfield Games Studio Ltd | Information & communication | 2025 |
| Emberton Fayre Ltd | Wholesale & retail | 2025 |
| Emblem Estates Limited | Real estate | 2015 |
| Embodhii Ltd | Health & social care | 2020 |
| Embody Wellbeing Limited | Health & social care | 2022 |
| Embrace HR Limited | Administrative & support | 2015 |
| Embrace SAM Limited | Wholesale & retail | 2025 |
| Embw Limited | Real estate | 2015 |
| Embw Property Ltd | Real estate | 2018 |
| EMC Two Homes Ltd | Real estate | 2016 |
| EMD Quality Solution Limited | Other services | 2015 |
| Ementertainments Ltd | Arts & recreation | 2020 |
| Emeomema Ltd | Health & social care | 2025 |
| Emera Consultants Ltd | Professional & scientific | 2023 |
| Emerald Serviced Lets Ltd | Real estate | 2023 |
| Emeralds Woods LLP | | 2025 |
| Emerdata Limited | Information & communication | 2017 |
| Emergency Care Gateway Ltd | Health & social care | 2002 |
| Emergent Vernacular Architecture Ltd | Professional & scientific | 2015 |
| Emerging Markets Quality Trials Limited | Information & communication | 2020 |
| EMG Consultants Limited | Professional & scientific | 2026 |
| EMG Financial Crime Consulting Limited | Professional & scientific | 2025 |
| Emgms Ltd | Professional & scientific | 2025 |
| EMI OLI Transport Ltd | Transport & logistics | 2018 |
| EMI Oxford Certification Limited | Professional & scientific | 2018 |
| EMI Oxford Consulting Limited | Professional & scientific | 2018 |
| EMI Oxford Limited | Professional & scientific | 2018 |
| EMI Oxford Research Limited | Professional & scientific | 2018 |
| EMI Oxford Training Limited | Professional & scientific | 2018 |
| Emil Rottmayer Music Ltd | Information & communication | 2026 |
| Emile George Computer Systems Ltd | Wholesale & retail | 2025 |
| Emileon Limited | Real estate | 2018 |
| Emiloc Ltd | Wholesale & retail | 2018 |
| Emily Little Photography Limited | Professional & scientific | 2014 |
| Emir Trading and Consultancy Ltd | Wholesale & retail | 2021 |
| EMK21 Engineering Ltd | Manufacturing | 2025 |
| Emma Bainbridge Ltd | Professional & scientific | 2023 |
| Emma Flynn Tenant Engagement Consultant Ltd | Professional & scientific | 2020 |
| Emma Gosling Limited | Health & social care | 2018 |
| Emma Hodge Mortgages Ltd | Financial services | 2008 |
| Emma Poppy Ltd | Administrative & support | 2022 |
| Emmajoy Limited | Administrative & support | 2014 |
| Emmalex Consult Ltd | Information & communication | 2019 |
| Emmaus Health Care Ltd | Administrative & support | 2023 |
| Emmeline Education Limited | Education | 2015 |
| Emmes Biopharma UK Limited | Professional & scientific | 2002 |
| Emmett Group Limited | Professional & scientific | 2017 |
| Emmett Holdings Ltd | Financial services | 2024 |
| Emmett Investment Properties Ltd | Real estate | 2024 |
| Emonnahar Global Limited | Wholesale & retail | 2025 |
| Emory Investment Ltd | Real estate | 2024 |
| Emotions Worth Capturing Ltd | Professional & scientific | 2026 |
| EMP Risk Limited | Administrative & support | 2007 |
| Empanads Holding Ltd | Financial services | 2026 |
| Empathic Healthcare Limited | Health & social care | 2013 |
| Empel Systems Limited | Manufacturing | 2019 |
| Emperor MK Developments Limited | Construction | 2025 |
| Empire Aviation Limited | Manufacturing | 2009 |
| Empire Buff Ltd | Wholesale & retail | 2024 |
| Empire Investment Company Limited | Real estate | 2014 |
| Empire Language Services Limited | Professional & scientific | 2024 |
| Empire Numbers Limited | Professional & scientific | 2023 |
| Empire Over Everything Limited | Manufacturing | 2024 |
| Empire Prop Co (UK) Ltd | Real estate | 2020 |
| Empire Training Center Limited | Administrative & support | 2025 |
| Empires Elite Ltd | Real estate | 2019 |
| Empiribox Holdings Limited | Education | 2012 |
| Employers' Liability Tracing Office | Other services | 2009 |
| Emporium Cars MK Ltd | Wholesale & retail | 2026 |
| Empower Living Support Limited | Administrative & support | 2026 |
| Empower MK CIC | Education | 2024 |
| Empowered Brands Limited | Professional & scientific | 2020 |
| Empowered Partnerships Limited | Professional & scientific | 2021 |
| Empowered Spaces UK Limited | Professional & scientific | 2023 |
| Empoweredmindsuk Ltd | Health & social care | 2025 |
| Empoweredmk Ltd | Hospitality | 2024 |
| Empress Publishing Ltd | Information & communication | 2025 |
| EMR 0110 Couriers Limited | Transport & logistics | 2024 |
| Emrosa Ltd | Real estate | 2022 |