| Drax Properties (76NDR) Ltd | Real estate | 2023 |
| DRC Projects Ltd | Construction | 2025 |
| Dream Home (Margate) Limited | Real estate | 2022 |
| Dreamland Estates Limited | Households | 2019 |
| Drive in Trade Ltd | Wholesale & retail | 2025 |
| Drops Margate Limited | Wholesale & retail | 2024 |
| Drury's Properties Ltd | Households | 2025 |
| DRY Toast Productions Ltd | Information & communication | 2025 |
| Dryad Services Ltd | Real estate | 1987 |
| DS Enterprise Ltd | Hospitality | 2020 |
| DSB Installation’S Limited | Information & communication | 2023 |
| DSG Freehold Holdings Ltd | Households | 2024 |
| DSG Home Finance Ltd | Administrative & support | 2003 |
| DSG Property Consultant Ltd | Professional & scientific | 2025 |
| DSG Property Freehold Ltd | Real estate | 2019 |
| DSG Property Investments Ltd | Real estate | 2024 |
| DSG Property Management Ltd | Real estate | 2012 |
| DTJ Wind Ltd | Professional & scientific | 2025 |
| Dubai Market (Margate) Limited | Wholesale & retail | 2024 |
| Dugard Heating and Plumbing Limited | Construction | 2020 |
| Duke Street Estates Limited | Real estate | 1989 |
| Dulcie Skincare Ltd | Wholesale & retail | 2013 |
| Dunes Bars UK Ltd | Hospitality | 2026 |
| Dunlop and Company Estate Agents Limited | Real estate | 2025 |
| DUO2 Consulting Ltd | Professional & scientific | 2020 |
| Duplikat Ltd | Manufacturing | 2020 |
| Dustbusters (Southeast) Ltd | Other services | 2002 |
| DWD Multi-Management Ltd. | Agriculture & fishing | 2020 |
| Dynamic Power Engineering Ltd | Construction | 2025 |
| DZHEM99 Ltd | Transport & logistics | 2023 |
| E Systems Electrical Contractors Ltd | Construction | 2018 |
| E.I.T.Groundworks Limited | Construction | 2017 |
| E.Saunders(Margate)Limited | Construction | 1922 |
| E14 Events Ltd | Professional & scientific | 2025 |
| East Kent Coatings Limited | Manufacturing | 2004 |
| East Kent Connect Community Interest Company | Health & social care | 2025 |
| East Kent Electrical Limited | Construction | 2013 |
| East Kent Energy Insights Limited | Other services | 2025 |
| East Kent First AID Ltd. | Education | 2019 |
| East Kent Heating Ltd | Construction | 2025 |
| East Kent Lettings Limited | Real estate | 2019 |
| East Kent Strategic Partnership C.I.C. | Health & social care | 2016 |
| East Kent Utilities Ltd | Construction | 2021 |
| Easysell Assist Ltd | Other services | 2025 |
| Eaton Road Right to Manage Company Limited | Households | 2022 |
| ECC Lettings Ltd | Real estate | 2022 |
| Eco Holdings Group Ltd | Construction | 2022 |
| Eco Home Solutions Kent Ltd | Construction | 2022 |
| Eco Modular UK Limited | Construction | 2018 |
| Eco Spray-Foam Systems Ltd | Construction | 2020 |
| Eco Systems Group Ltd | Construction | 2012 |
| Economic Tank Ltd | Professional & scientific | 2023 |
| Eddie Stafford Ltd. | Information & communication | 2014 |
| Eden Tranz Limited | Transport & logistics | 2025 |
| Edgar Simmons Capital Limited | Real estate | 2018 |
| Eduprivateservice Ltd | Health & social care | 2023 |
| Edwards Home Improvements Ltd | Construction | 2026 |
| Eelam Fried Chicken Ltd | Hospitality | 2025 |
| EEP Studios Ltd | Professional & scientific | 2023 |
| Efe-I Limited | Information & communication | 2024 |
| Effortless Aesthetic’S by Elisha Ltd | Other services | 2025 |
| EGG EGG EGG Ltd | Extraterritorial | 2020 |
| Eivann Atanasoff Ltd | Transport & logistics | 2017 |
| EJC Estimating & Surveying Limited | Professional & scientific | 2023 |
| EK Car Sales & Hire Ltd | Administrative & support | 2018 |
| Ekko Audio Ltd | Information & communication | 2023 |
| ELA Cafes and Restaurants Limited | Hospitality | 2021 |
| Elbema Care UK Limited | Health & social care | 2025 |
| Eleanor-Avenue Ltd | Real estate | 2023 |
| Election Technology Limited | Information & communication | 2019 |
| Elidel Ltd | Health & social care | 2019 |
| Elite Career Transitions Limited | Professional & scientific | 2012 |
| Elite Clean South Ltd | Administrative & support | 2025 |
| Elite Dance Supplies Group Limited | Wholesale & retail | 2022 |
| Elite Equipment Ltd | Wholesale & retail | 2024 |
| Elite Mechanical and Electrical Ltd | Construction | 2026 |
| Elizabeth Whibley Ltd | Wholesale & retail | 2021 |
| Eljoh Ltd | Health & social care | 2016 |
| Elliot Hooper Lv/Hv Cable Services Ltd | Manufacturing | 2025 |
| Ellis Builders (Kent) Ltd | Administrative & support | 2020 |
| Ellithom RTM Company Limited | Households | 2004 |
| Ellstan Limited | Professional & scientific | 2016 |
| Elpida 7 Ltd | Arts & recreation | 2022 |
| Eman Transport Ltd | Administrative & support | 2016 |
| Emjayem Ltd | Real estate | 2006 |
| EMP Homes Ltd | Real estate | 2025 |
| En-Technologies Limited | Administrative & support | 2015 |
| Encompass Contracts Limited | Construction | 2006 |
| Endeavour Property & Lettings Ltd | Real estate | 2021 |
| Enderby-On-Demand Ltd | Professional & scientific | 2025 |
| Endoscopy Endeavours Limited | Health & social care | 2015 |
| Enisha Investment Limited | Hospitality | 2017 |
| Enlight Estates Limited | Construction | 2020 |
| Enterprise Employment & Training C.I.C. | Administrative & support | 2012 |
| Epoch Textiles Ltd | Manufacturing | 2026 |
| Epps Designs Limited | Professional & scientific | 2024 |
| Equity in Coffee Ltd | Manufacturing | 2024 |
| Equitygold Limited | Administrative & support | 2007 |
| Eraibey Ltd | Health & social care | 2017 |
| Eraibey Real Estate Ltd | Real estate | 2024 |