| Dudley & Newsom Limited | Wholesale & retail | 2002 |
| Dunaway Consulting Limited | Professional & scientific | 2025 |
| Dyn@Mic Developments Ltd | Construction | 2023 |
| E & E Gosport Limited | Wholesale & retail | 2022 |
| E & E Motor Holdings Limited | Professional & scientific | 2021 |
| E & E Motor Services Limited | Wholesale & retail | 2019 |
| E - Tech Motorsport Ltd | Wholesale & retail | 2002 |
| E-Mech Consultancy Ltd | Professional & scientific | 2025 |
| Early Bird Courier Services Limited | Transport & logistics | 2023 |
| Earthworks (Plant) Limited | Administrative & support | 1998 |
| Earthworks Plant (Solent) Limited | Other services | 2008 |
| Earthworks Plant Services Limited | Administrative & support | 2003 |
| East Hill Initiatives Limited | Manufacturing | 2006 |
| East Pallant Developments Limited | Real estate | 2010 |
| Eastleigh Mews Management Company Ltd | Real estate | 2018 |
| Easy Insight Limited | Information & communication | 2023 |
| Easyclean Exteriors Ltd | Administrative & support | 2026 |
| Ebbs Transport Limited | Transport & logistics | 2021 |
| Eco Torq Ltd | Wholesale & retail | 2025 |
| Eden Property Ltd | Professional & scientific | 2015 |
| Ednology UK Limited | Wholesale & retail | 2017 |
| Educare Skills Services Limited | Administrative & support | 2006 |
| Educare Skills Training Limited | Administrative & support | 2006 |
| Eetika Limited | Information & communication | 2015 |
| Egertec Targets Limited | Manufacturing | 2014 |
| Elan Interiors Limited | Construction | 2025 |
| Electrodye Limited | Manufacturing | 2016 |
| Eleison Care Ltd | Professional & scientific | 2026 |
| Elite Plumbing Heating Solutions Ltd | Construction | 2024 |
| ELM Park Property Management Limited | Households | 2026 |
| Elysium Skin Clinic Ltd | Other services | 2025 |
| Emir's Super Chicken Limited | Hospitality | 2025 |
| Emma Kinch Ltd | Health & social care | 2000 |
| EMP Tooling Services Limited | Manufacturing | 2003 |
| Emsworth Plant Repairs Ltd | Manufacturing | 2015 |
| Endless Gifts Ltd | Wholesale & retail | 2015 |
| Energio Ltd | Construction | 2025 |
| Ennzo Electrical Ltd | Professional & scientific | 2022 |
| Epic Shot Pictures Ltd | Information & communication | 2021 |
| EPM Upholstery Limited | Other services | 2011 |
| Equestrian Media Ltd | Professional & scientific | 2020 |
| Equine Para-Adventures CIC | Other services | 2023 |
| Eriport Ltd | Health & social care | 2025 |
| Ernie Fraser Limited | Real estate | 2014 |
| ESA Technical Services Ltd | Professional & scientific | 2025 |
| Essex Flameproofing Limited | Manufacturing | 1988 |
| Ethereum Business Consulting Ltd | Information & communication | 2019 |
| Ethos Coffee Limited | Hospitality | 2023 |
| ETR Solutions Limited | Construction | 2024 |
| EU Market 1 Ltd | Wholesale & retail | 2025 |
| Euroflam Textile Treatments Ltd | Extraterritorial | 2017 |
| Evanti Real Estate Limited | Construction | 2025 |
| Evill Ltd | Construction | 2019 |
| Evolution Details Ltd | Wholesale & retail | 2024 |
| Ex-Servicemen's Club (Havant) Limited | Other services | 2010 |
| Excel Search LLP | | 2017 |
| Expect Home Solutions Limited | Construction | 2012 |
| Expert Elec Services Ltd | Professional & scientific | 2024 |
| Expert Electric Services Ltd | Professional & scientific | 2022 |
| Extra Mech (Services) Limited | Manufacturing | 2001 |
| Extra Mech Holdings Limited | Manufacturing | 2021 |
| F G Marshall Limited | Professional & scientific | 2012 |
| F.T. Care Homes Limited | Health & social care | 1996 |
| F22MOTORSPORTS Limited | Other services | 2021 |
| Faces by Faye Ltd | Other services | 2026 |
| Fairblades Limited | Construction | 2026 |
| Fairworth Ltd | Transport & logistics | 2025 |
| Fallan Limited | Administrative & support | 1995 |
| Fancett & Co Ltd | Real estate | 2017 |
| FAR Reach Consulting Ltd | Professional & scientific | 2021 |
| Faradair Aerospace Limited | Manufacturing | 2014 |
| Fareham Garage Limited | Wholesale & retail | 2014 |
| Farringdon 1961 Limited | Extraterritorial | 2013 |
| Faxon Systems Limited | Information & communication | 1992 |
| Fegredo Limited | Households | 1982 |
| Fellwood Tree Surgeons Ltd | Administrative & support | 2017 |
| Fensome Holdings Ltd | Financial services | 2025 |
| Fidgeteez Ltd | Manufacturing | 2025 |
| Filthy Burgers Havant Ltd | Hospitality | 2025 |
| Final Rest Ltd | Professional & scientific | 2021 |
| Finley Place Flats (Havant) Management Company Ltd | Real estate | 2017 |
| Firth & Co Removals Limited | Transport & logistics | 2024 |
| Fitzroy Bullion Ltd | Manufacturing | 2025 |
| Five Star Taverns Limited | Hospitality | 2025 |
| Flock Properties Limited | Real estate | 2021 |
| Flow X Injectors Ltd | Other services | 2019 |
| Flowcert Ltd | Professional & scientific | 2025 |
| Fluid Power Components Limited | Wholesale & retail | 1997 |
| Football for FAT Loss Ltd | Health & social care | 2026 |
| Ford Construction (Sussex) Limited | Administrative & support | 2004 |
| Ford Lane Tyres Limited | Wholesale & retail | 2022 |
| Formations 1523 LLP | | 2025 |
| Formations 2500 LLP | | 2025 |
| Formations 2501 LLP | | 2025 |
| Formations 2502 LLP | | 2025 |
| Formations 2503 LLP | | 2025 |
| Formations 2504 LLP | | 2025 |
| Formations 2505 LLP | | 2025 |
| Formations 2506 LLP | | 2025 |
| Formations 2507 LLP | | 2025 |