| DR Body Mind Soul Ltd | Health & social care | 2024 |
| DR Ramsey Property Maintenance Limited | Real estate | 2009 |
| DR. Lehmann & Partner Ltd | Professional & scientific | 2012 |
| Dragon Brickwork Services Limited | Construction | 2015 |
| Dragons Dinner Limited | Hospitality | 2024 |
| Drainage Maintenance Services Ltd | Water & waste | 2025 |
| DRB Electrical Services Ltd | Administrative & support | 2018 |
| Drbean Limited | Information & communication | 2014 |
| Driver Leasing Europe Limited | Transport & logistics | 2015 |
| DS Homes Kent Ltd | Real estate | 2025 |
| DT Welding (Kent) Ltd | Construction | 2015 |
| Dudley Court Management (Folkestone) Limited | Professional & scientific | 2001 |
| Dunedin Court (Folkestone) Limited | Households | 2011 |
| Duzsal Consultancy Ltd | Hospitality | 2020 |
| Dvjm Services Limited | Information & communication | 2009 |
| DWD Electrical Contractors Ltd | Construction | 2016 |
| Dynamic Home Care Ltd | Health & social care | 2019 |
| Dynamix Leisure Limited | Arts & recreation | 2012 |
| Dynamix Sports Nutrition Ltd | Wholesale & retail | 2010 |
| Dyrhoff Limited | Construction | 2005 |
| Dyslexiauk Ltd | Education | 2023 |
| Dzines Digital Ltd | Professional & scientific | 2016 |
| E-Textiles CIC | Manufacturing | 2024 |
| E.Reina Limited | Construction | 2003 |
| EA Civils Ltd | Construction | 2025 |
| Earls Avenue Limited | Real estate | 2020 |
| Earlsgate Podiatry Ltd | Health & social care | 2024 |
| Earlstar Limited | Households | 1990 |
| Early Detection Systems Limited | Extraterritorial | 2005 |
| Earth Inferno Limited | Wholesale & retail | 2014 |
| Ease Distribution Ltd | Wholesale & retail | 1995 |
| East Brook Park Management Company Limited | Households | 2023 |
| East Cliff Estates (Folkestone) Limited | Construction | 1977 |
| East Kent Decorators Limited | Construction | 2012 |
| East Kent Equine Therapy and Learning Centre CIC | Health & social care | 2023 |
| East Kent Plumbing Services Ltd | Construction | 2009 |
| East Kent Trim Supplies Ltd | Wholesale & retail | 2008 |
| East Kent Vineyard Tours Ltd | Administrative & support | 2020 |
| East of India Limited | Wholesale & retail | 1995 |
| East Sussex Medical Training Ltd | Education | 2023 |
| Eastcliff Investments Limited | Real estate | 1964 |
| Eastcliff Property Ventures Limited | Real estate | 2026 |
| Easterntrail Limited | Professional & scientific | 2000 |
| Easthope Stained Glass Studios Ltd | Construction | 2022 |
| Eastlake Developments Ltd | Other services | 2018 |
| Eastons Management Ltd | Real estate | 1995 |
| Eastry Park Management Limited | Real estate | 1985 |
| Easybookz Limited | Professional & scientific | 2016 |
| Eatons Property Limited | Real estate | 2016 |
| Ecclesbourne Close Residents Association Limited | Real estate | 1995 |
| Ecotrim Ltd | Administrative & support | 2026 |
| Ecovolt Solar & Power Ltd | Wholesale & retail | 2025 |
| ED & HG (Kent Invest) Ltd | Real estate | 2020 |
| Edgwoods Ltd | Wholesale & retail | 2021 |
| Editioned Limited | Professional & scientific | 2020 |
| EDJ Vntge Ltd | Wholesale & retail | 2021 |
| EDU Minds Limited | Education | 2023 |
| Education Governance Professionals Limited | Professional & scientific | 2025 |
| Education Guardianship UK Ltd | Education | 2021 |
| EEH International Limited | Information & communication | 2017 |
| Effectus Learning Limited | Professional & scientific | 2010 |
| EGG and Ginger Limited | Extraterritorial | 2024 |
| Eggyoga Ltd | Hospitality | 2022 |
| EH Cleaning Ltd | Administrative & support | 2021 |
| Eight Kingsnorth Gardens Limited | Households | 2012 |
| EKK Properties Ltd | Real estate | 2023 |
| Ekteg Limited | Administrative & support | 1959 |
| EL Cortador Limited | Hospitality | 2013 |
| Electra CXM Ltd | Construction | 2025 |
| Electric & Fibre Limited | Construction | 2018 |
| Electric Metropolitan Integral Transport Holdings Limited | Transport & logistics | 2010 |
| Electrical and Test Limited | Construction | 2017 |
| Electrichall (S E) Ltd | Construction | 2016 |
| Elegant Hippie Ltd | Wholesale & retail | 2023 |
| Elevated Paving Ltd | Construction | 2022 |
| Eley Transport Ltd | Transport & logistics | 2026 |
| Elham Valley Inns Limited | Hospitality | 2015 |
| Elite Community Coaching (UK) Limited | Education | 2008 |
| Elite Global Travel Ltd | Wholesale & retail | 2019 |
| Elite Pet Taxi Ltd | Transport & logistics | 2024 |
| Ellis Bathrooms and Kitchens Ltd | Construction | 2014 |
| ELM Media Limited | Information & communication | 2008 |
| ELM Storage Ltd | Transport & logistics | 2026 |
| Elysee RTM Company Limited | Households | 2025 |
| Elysium Park MAN Co Limited | Households | 2022 |
| Emclr Limited | Manufacturing | 2009 |
| Emea Industry, Finance & Commerce Limited | Professional & scientific | 2011 |
| Emory Place Management Company Limited | Households | 2020 |
| Empower Bottoms CIC | Administrative & support | 2024 |
| Empowering Women Empowering Nations | Health & social care | 2023 |
| Enbrook Management Company Limited | Households | 1982 |
| Enbrook Wealth Limited | Professional & scientific | 2024 |
| Enduro Training Centres Ltd | Administrative & support | 2026 |
| ENE Electrical and Renewables Ltd | Construction | 2023 |
| Energy Controls Solutions Ltd | Construction | 2012 |
| Enigma City Ltd | Arts & recreation | 2025 |
| Enseo UK Ltd | Professional & scientific | 2023 |
| Envee Welding Services Ltd | Construction | 2024 |
| Equilibrium GB Ltd | Information & communication | 2004 |
| Erridge Estates Ltd | Real estate | 2021 |