| Educational Life CIC | Information & communication | 2017 |
| Efficiency in Education Ltd | Education | 2005 |
| EHT Lettings Limited | Real estate | 2023 |
| Eighty 3 Solutions Limited | Water & waste | 2018 |
| EJ Lusher Limited | Arts & recreation | 2023 |
| Ej's Pursuits Ltd | Wholesale & retail | 2017 |
| Ekogenia Limited | Real estate | 2009 |
| Elawyer Conveyancing Limited | Professional & scientific | 2019 |
| Elawyer Services Limited | Professional & scientific | 2018 |
| Elawyer Trustee Services Limited | Real estate | 2021 |
| Elawyer Wills and Estates ETC. Limited | Extraterritorial | 2018 |
| Elbows Productions Limited | Information & communication | 2021 |
| Eldon Grove Management Company Limited | Households | 2005 |
| Electrical Installations Team Ltd | Construction | 2021 |
| Electromech Assemblies Limited | Manufacturing | 2010 |
| Eleven Victoria Parade Management Limited | Households | 2003 |
| Elgar Press Limited | | 1966 |
| Elite Dance Academy Ltd | Arts & recreation | 2014 |
| Elite Finishing Ltd | Construction | 2024 |
| Elite Vaping Ltd | Wholesale & retail | 2021 |
| Elitecamp Limited | Other services | 2010 |
| Elliott Rail Limited | Construction | 2013 |
| Ellis Angel Aesthetics Ltd | Health & social care | 2026 |
| Ellis Builders Thanet Limited | Construction | 2025 |
| Ellis Marine Services Ltd | Transport & logistics | 2016 |
| ELM Imports Limited | Wholesale & retail | 1998 |
| Elsewhere Hair Ltd | Other services | 2017 |
| Emco Packaging Systems Limited | Wholesale & retail | 1999 |
| Emco Technologies Limited | Wholesale & retail | 2021 |
| Emcp Property Ltd | Construction | 2019 |
| Emery PR Limited | Administrative & support | 2013 |
| Emily Peasgood Studio Limited | Arts & recreation | 2022 |
| Emmini Ltd | Administrative & support | 2017 |
| Empire Estates and Properties Limited | Real estate | 2022 |
| Empplastering Ltd | Construction | 2025 |
| Encade Ltd | Professional & scientific | 2017 |
| Enes 12 Ltd | Hospitality | 2019 |
| Engine Swap Limited | Professional & scientific | 2016 |
| Enhance Thanet Beauty & Aesthetics Ltd | Wholesale & retail | 2018 |
| Enhance Thanet Medical Ltd | Education | 2021 |
| Enoteca Leisure Ltd | Hospitality | 2007 |
| Enso Fitness Ltd | Education | 2021 |
| Ensuke Education & Publication Ltd | Extraterritorial | 2021 |
| Entima Limited | Wholesale & retail | 2024 |
| Envirogreen (Hengist Road) Limited | Construction | 2019 |
| Envirogreen Developments Limited | Construction | 2010 |
| Envirogroup (Medway) Limited | Real estate | 2006 |
| Envy Inc Limited | Other services | 2017 |
| Epple Walk Property Management Limited | Households | 2002 |
| Equilove Limited | Wholesale & retail | 2016 |
| Equus Assets Limited | Administrative & support | 2001 |
| Erica Wakerly Ltd | Professional & scientific | 2011 |
| Esanu Services Limited | Health & social care | 2019 |
| Escape to the Coast Kent Ltd | Hospitality | 2023 |
| Essa Musa Ltd | Wholesale & retail | 2023 |
| Essence Media Limited | Administrative & support | 2012 |
| Essex Road (Westgate) Management Company Limited | Households | 2002 |
| Essp Ltd | Manufacturing | 2025 |
| Ethelbert Residential Family Placements Limited | Health & social care | 2001 |
| Ethelbert Specialist Homes Limited | Health & social care | 1996 |
| Eunomy Limited | Professional & scientific | 2003 |
| Europa Home Improvement Limited | Construction | 1994 |
| EV Living Ltd | Real estate | 2026 |
| Ever Solutions Limited | Professional & scientific | 2002 |
| Everland Property Limited | Real estate | 2021 |
| Everlay Piping Engineering Limited | Professional & scientific | 2025 |
| Evigilo Limited | Administrative & support | 2009 |
| Evolution Car Spares UK Ltd | Wholesale & retail | 2011 |
| Evolution Slimming Limited | Wholesale & retail | 2007 |
| Evolutionary Film Sales Limited | Information & communication | 2024 |
| Excel Mortgages UK Limited | Financial services | 2007 |
| Exceleration Ltd | Other services | 2003 |
| Excitable Media Limited | Information & communication | 2022 |
| Extra Normal Music Ltd. | Arts & recreation | 2017 |
| EYE Candy Official Limited | Professional & scientific | 2020 |
| Eyles Investments Limited | Real estate | 2021 |
| Eyles Properties Limited | Real estate | 2024 |
| F K Moore Ltd | Manufacturing | 2009 |
| F.B.S M&E SE Ltd | Construction | 2022 |
| Fabel Automations Ltd | Construction | 2025 |
| Fabel Developers Ltd | Construction | 2025 |
| Fabel Group Ltd | Construction | 2023 |
| Fabel M&E Ltd | Construction | 2025 |
| Fabel Renewables Ltd | Construction | 2025 |
| Fair Comment Limited | Administrative & support | 2008 |
| Fairview Bike MOT & Tyre Centre Limited | Wholesale & retail | 2010 |
| Fairview MOT Centre Limited | Wholesale & retail | 2003 |
| Falcon Aviation Services and Training Limited | Transport & logistics | 2016 |
| Family Fostering Limited | Health & social care | 2014 |
| FAR and FEW Ltd | Wholesale & retail | 2021 |
| Faraday Design and Prototype Ltd | Professional & scientific | 2021 |
| Farley's Interiors Ltd | Wholesale & retail | 2011 |
| Farway Limited | Information & communication | 2022 |
| Fastener Connections Limited | Wholesale & retail | 2007 |
| FAY Fawkes Limited | Health & social care | 2022 |
| FBS Electrical Ltd | Construction | 2021 |
| FBS MEP Ltd | Financial services | 2022 |
| FCG Painting & Decorating Ltd | Construction | 2024 |
| FD Pros Ltd | Manufacturing | 2025 |
| FDM Residence Limited | Extraterritorial | 2022 |