| EC Farm Contractors Limited | Extraterritorial | 2015 |
| EC Properties (Ketton) Limited | Real estate | 2022 |
| EC Wilson Holdings Limited | Real estate | 2025 |
| EC2 Holdings Limited | Real estate | 2026 |
| Ecajo Limited | Other services | 2022 |
| Ecclaz Ltd | Real estate | 2022 |
| Ecco-Synergy (UK) Limited | Professional & scientific | 2010 |
| Echo & ERA Limited | Wholesale & retail | 2025 |
| Echo Housing Ltd | Real estate | 2018 |
| Echo Sustech Ltd | Information & communication | 2021 |
| Echo Trading Ltd | Wholesale & retail | 2018 |
| Echo Web Solutions Ltd | Information & communication | 2016 |
| Ecigw Limited | Manufacturing | 2019 |
| Ecim Property Ltd | Construction | 2025 |
| Ecjeans Limited | Health & social care | 2018 |
| Eclipse Packaging & Products Ltd | Administrative & support | 2023 |
| Eco Access Ltd | Construction | 2020 |
| Eco Atelier Ltd | Professional & scientific | 2021 |
| Eco Breeze Air Conditioning Limited | Energy | 2022 |
| Eco Engine Limited | Construction | 2024 |
| Eco Friendly and Sustainable Cleaning Ltd | Administrative & support | 2024 |
| Eco Global Business Ltd | Wholesale & retail | 2022 |
| Eco Juices (Global) Limited | Wholesale & retail | 2015 |
| Eco Mobile Car Wash Limited | Wholesale & retail | 2025 |
| Eco Mould & DIE Limited | Professional & scientific | 2018 |
| Eco SKI Limited | Wholesale & retail | 2020 |
| Eco Step Forward Ltd | Information & communication | 2022 |
| Eco Vision Home Design Ltd | Construction | 2014 |
| ECO2HOLDINGS Limited | Financial services | 2023 |
| ECO2LOCO Limited | Transport & logistics | 2020 |
| Ecofresh Cleaners Ltd | Administrative & support | 2025 |
| Ecolutia Services Ltd. | Water & waste | 2009 |
| Ecom & Ecom Ltd | Wholesale & retail | 2021 |
| Ecom Portfolio Group Ltd | Wholesale & retail | 2026 |
| Ecomax Tuning Limited | Wholesale & retail | 2017 |
| Ecomintelligence Limited | Wholesale & retail | 2024 |
| Ecomm Market Solutions Limited | Wholesale & retail | 2025 |
| Ecomsyte Limited | Wholesale & retail | 2025 |
| Ecomwins Limited | Wholesale & retail | 2024 |
| Econlogistic Ltd | Transport & logistics | 2024 |
| Econometric Consultants Limited | Professional & scientific | 1997 |
| Ecoo Flow Services Limited | Professional & scientific | 2024 |
| Ecoprime Facilities Cleaning Ltd | Administrative & support | 2026 |
| Ecoscrub Ltd | Wholesale & retail | 2024 |
| ECOTRACE180 Limited | Professional & scientific | 2025 |
| Ectodel Group Limited | Professional & scientific | 2025 |
| ED Logistics Network Limited | Transport & logistics | 2017 |
| Edasho Medical Services Limited | Health & social care | 2025 |
| Edatasystems Ltd | Information & communication | 2022 |
| Edbservices Ltd | Construction | 2025 |
| Eddie Transport Ltd | Transport & logistics | 2024 |
| Eden HUT Ltd | Wholesale & retail | 2024 |
| Edenys Ltd | Real estate | 2020 |
| Edey Developments Ltd | Construction | 2021 |
| Edgar.Lt Ltd | Transport & logistics | 2019 |
| Edge Clothing Peterborough Ltd | Wholesale & retail | 2026 |
| Edge Garden Service Ltd | Administrative & support | 2016 |
| Edges Consultancy Ltd | Construction | 2024 |
| Edix Ltd | Transport & logistics | 2018 |
| EDM Investments Group Ltd | Real estate | 2026 |
| Ednv Associates Ltd | Financial services | 2023 |
| Edpa Limited | Wholesale & retail | 2006 |
| Edric Cleaning & Hygiene Solutions Ltd | Administrative & support | 2024 |
| Edrm Group Ltd | Construction | 2026 |
| EDS Appliance Care Limited | Manufacturing | 2017 |
| EDU Pizzas Limited | Hospitality | 2020 |
| Edu's Food Group Ltd | Hospitality | 2026 |
| Edu-Lab Limited | Extraterritorial | 2014 |
| Eduard 81 Trans Ltd | Transport & logistics | 2025 |
| Eduards Construction Ltd | Construction | 2019 |
| Educational International Limited | Information & communication | 2026 |
| Eduflourish Ltd | Information & communication | 2026 |
| Edupedia Limited | Education | 2009 |
| Edupic Holdings Limited | Professional & scientific | 2024 |
| Edupic Ltd | Professional & scientific | 2021 |
| Edvard Transport Ltd | Transport & logistics | 2020 |
| Edvin Transport Limited | Transport & logistics | 2019 |
| Edward Allen Limited | Real estate | 2000 |
| Edward Cullum Limited | Information & communication | 2011 |
| Edward GEE & Sons Limited | Financial services | 2018 |
| Edward Stuart & Co Ltd | Real estate | 2003 |
| Edward's S Limited | Transport & logistics | 2013 |
| Edward, Afia and Harriet Limited | Health & social care | 2025 |
| Edwards Technical Services Ltd | Information & communication | 2022 |
| Edwin Christmas Surveyors Ltd | Real estate | 2020 |
| Edy&Lorena Transport Ltd | Transport & logistics | 2024 |
| Edy&Milan Ltd | Transport & logistics | 2024 |
| Edy-Den Ltd | Transport & logistics | 2022 |
| EDZ 17 Ltd | Transport & logistics | 2016 |
| EE UK Transport Ltd | Transport & logistics | 2024 |
| EEM Appliances Ltd | Wholesale & retail | 2018 |
| EES Residential Ltd | Real estate | 2023 |
| Eevesplace Limited | Financial services | 2015 |
| Eeza Consultancy Limited | Wholesale & retail | 2024 |
| Eezi Corporation Ltd | Construction | 2026 |
| Eezz Staffing Peterborough Limited | Information & communication | 2022 |
| EF Builders Ltd | Construction | 2026 |
| Effective Credit Collections Ltd | Administrative & support | 2002 |
| Efficacy MC Ltd | Professional & scientific | 2017 |
| Efficient Solutions by A&D Limited | Administrative & support | 2024 |