| Dunne International Ltd | Real estate | 2025 |
| DUO Sports & Entertainment Ltd | Information & communication | 2025 |
| DVH Construct Ltd | Construction | 2014 |
| DWL Essential Solutions Limited | Other services | 2025 |
| Dynamic Consulting Group Limited | Real estate | 2017 |
| Dynamic Leaders Ltd | Education | 2020 |
| E-Trust Accountancy Ltd | Professional & scientific | 2019 |
| E5MUS Limited | Hospitality | 2023 |
| EA Events Ltd | Professional & scientific | 2023 |
| Eade Investments Ltd | Real estate | 2023 |
| Earlseat Wind Farm Ltd | Energy | 2009 |
| Earth Kind Garden by Gabe Ltd | Administrative & support | 2025 |
| East Langford Solar Limited | Energy | 2011 |
| Eastbrook Flooring Ltd | Wholesale & retail | 2018 |
| Echung Ltd | Health & social care | 2022 |
| ECR Group Limited | Other services | 1998 |
| ECR Solutions Limited | Information & communication | 1974 |
| ECR Transport Ltd | Other services | 2025 |
| Ecsc Limited | Financial services | 2024 |
| Edustars Limited | Education | 2013 |
| Eeob Properties Ltd | Hospitality | 2024 |
| Egmere Airfield Solar Park Limited | Energy | 2012 |
| EHC International Limited | Construction | 2001 |
| EHC Marrakech Limited | Construction | 2001 |
| Eight & 2 Limited | Real estate | 2023 |
| Eight Tigers Limited | Administrative & support | 2017 |
| EJC Film Services Ltd | Construction | 2025 |
| EK Onkar Satnam Limited | Wholesale & retail | 2020 |
| ELB Leisure Limited | Arts & recreation | 2025 |
| Elborn Property Group Ltd | Real estate | 2022 |
| Element 2 Group Limited | Wholesale & retail | 2024 |
| Element 2 Infrastructure Limited | Financial services | 2022 |
| ELEVAT8 Consulting Ltd | Education | 2026 |
| ELEVAT8 Group Limited | Construction | 2025 |
| Elevate Search Ltd | Administrative & support | 2024 |
| Elisa Fashion & Design Ltd | Wholesale & retail | 2021 |
| Elite Investments Portfolio Ltd | Real estate | 2025 |
| Elite Sports Coaching Clinics | | 2009 |
| Elite Validation Limited | Information & communication | 2006 |
| Ellis Jordan Limited | Administrative & support | 2010 |
| Elsworth Electrical Services Limited | Construction | 2014 |
| Elthorne Place Freehold Ltd | Real estate | 2025 |
| Elthorne Place Management Ltd | Real estate | 2025 |
| Elvin Developments Limited | Financial services | 2025 |
| Elyos Energy UK Ltd | Energy | 2023 |
| EM Fire Protection Ltd | Information & communication | 2026 |
| Embrace Innovation Limited | Construction | 2013 |
| Enervation Ltd | Professional & scientific | 2025 |
| Enviremoval Limited | Administrative & support | 2014 |
| Envision FX Ltd. | Wholesale & retail | 2021 |
| Envision Refurbishments Ltd | Construction | 2020 |
| Enzec Ltd | Energy | 2017 |
| Eola Ltd | Administrative & support | 2017 |
| Eostrades Ltd | Wholesale & retail | 2023 |
| Epayslip NOW Limited | Administrative & support | 2018 |
| Equitix Knight Finco Limited | Financial services | 2019 |
| Erudical Limited | Education | 2020 |
| Etoile & Co Limited | Manufacturing | 2013 |
| European Investments (Cornwall) Limited | Administrative & support | 2012 |
| European Investments (Earlseat) Limited | Administrative & support | 2013 |
| European Investments (Scel) Limited | Administrative & support | 2012 |
| Evolution Building and Developments Ltd | Construction | 2024 |
| Exams Ninja Limited | Education | 2021 |
| Excalibur Auction Group Ltd | Wholesale & retail | 2018 |
| Excalibur Auctions Ltd | Wholesale & retail | 2016 |
| Excel London Transfers Ltd | Transport & logistics | 2019 |
| Excell Electrical Limited | Construction | 2016 |
| Executive Press Limited | Other services | 2009 |
| Exient Limited | Information & communication | 2011 |
| Exient Productions Ltd | Information & communication | 2013 |
| Explore Building & Refurbishment Ltd | Construction | 2024 |
| F C S Enterprises Limited | Construction | 1999 |
| F.R.Benson & Partners Limited | Wholesale & retail | 1965 |
| F.W. Events Ltd | Hospitality | 2023 |
| FA Reclaim Ltd | Construction | 2020 |
| Fairgreen Energy Storage Limited | Energy | 2024 |
| Falcon Demolition Limited | Wholesale & retail | 2006 |
| FAR Niente Ltd | Extraterritorial | 2014 |
| Farriery and Equine Orthopaedics Limited | Professional & scientific | 1996 |
| FD Peaks Ltd | Wholesale & retail | 2025 |
| Ferndale Wind Limited | Energy | 2013 |
| Feysal Marketing Ltd | Professional & scientific | 2021 |
| FH Subsea Limited | Manufacturing | 2024 |
| FHP Ltd | Information & communication | 2019 |
| Filmtek Limited | Construction | 2004 |
| Financial Industry Recruitment Experts Limited | Administrative & support | 2021 |
| Fine Balance Limited | Real estate | 2005 |
| Finfoto Ltd | Wholesale & retail | 2022 |
| Finlay Jordan Limited | Financial services | 2024 |
| Finovate Consulting Ltd | Professional & scientific | 2025 |
| Fired-Up Designs Limited | Manufacturing | 2011 |
| Flas 002 Ltd | Extraterritorial | 2020 |
| Flas 003 Ltd | Extraterritorial | 2020 |
| Flas 004 Ltd | Extraterritorial | 2020 |
| Flas 005 Ltd | Extraterritorial | 2020 |
| Flas 006 Ltd | Extraterritorial | 2020 |
| Flas 007 Ltd | Extraterritorial | 2020 |
| Flas 008 Ltd | Extraterritorial | 2020 |
| Fleetlee Ltd | Administrative & support | 2025 |
| Flicker Forge Ltd | Information & communication | 2025 |