| Evercrest Property Services Ltd | Real estate | 2025 |
| Evitaz Limited | Health & social care | 2019 |
| Evolve Essex Glass Solutions Ltd | Water & waste | 2025 |
| EVS Beautylab Ltd | Professional & scientific | 2025 |
| Exact Time Courier Ltd | Transport & logistics | 2025 |
| Excel 2002 Limited | Construction | 2002 |
| Excelente-Care Ltd | Health & social care | 2020 |
| Expert Tiling Ltd | Construction | 2017 |
| Exquisite Mortgage Ltd | Financial services | 2021 |
| Exquisite Recruitment Limited | Administrative & support | 2017 |
| Extent Stage Productions Ltd | Arts & recreation | 2023 |
| Ezbuilding Ltd | Construction | 2025 |
| Faad Services Ltd | Construction | 2016 |
| Fairlane Drive Right to Manage Company Ltd | Households | 2021 |
| Fairview Events Limited | Wholesale & retail | 2023 |
| Fairview Leisure Ltd | Real estate | 2022 |
| Fakir Decorating Ltd | Construction | 2016 |
| Faladon Limited | Health & social care | 2016 |
| Falcon Avenue RTM Company Ltd | Households | 2020 |
| Fandabidozi Property Ltd | Real estate | 2023 |
| Fastx Media Ltd | Information & communication | 2024 |
| FAT BOY Club Ltd | Arts & recreation | 2012 |
| Fawzi Limited | Hospitality | 2025 |
| FC Condor Limited | Arts & recreation | 2024 |
| FCD Utilities Ltd | Construction | 2022 |
| Fdmi Ltd | Other services | 2023 |
| Fecund Direct Ltd | Wholesale & retail | 2021 |
| Femade Healthcare Limited | Health & social care | 2019 |
| Festiv Ltd | Information & communication | 2021 |
| FGB Utilities Ltd | Construction | 2022 |
| FI Installation Ltd | Construction | 2022 |
| Fikky Investment Ltd | Real estate | 2023 |
| Fikky Ltd | Information & communication | 2019 |
| Filene Ventures Limited | Health & social care | 2014 |
| Find Your Property Solicitor Ltd | Information & communication | 2019 |
| Finyl Vinyl Records Ltd | Wholesale & retail | 2022 |
| First Auto Spares Ltd | Wholesale & retail | 2024 |
| First CEA GL Ltd | Transport & logistics | 2014 |
| First Choice Construction Limited | Construction | 2002 |
| First Data Link & Security Installations Ltd | Administrative & support | 2025 |
| Firstride Motors Ltd | Wholesale & retail | 2026 |
| Fiske & Walshe Electrical Contractors Limited | Construction | 2023 |
| Five Star Houses Limited | Construction | 2015 |
| Five Star Tree and Landscapes Ltd | Administrative & support | 2024 |
| Fix&Go Auto Repairs Ltd | Wholesale & retail | 2026 |
| Flash Sealants Limited | Construction | 2025 |
| Flawless Look by Annie Limited | Other services | 2026 |
| Flawless PVC Roofing Ltd | Construction | 2025 |
| Flmayo Ltd | Hospitality | 2024 |
| Floathill Consulting Ltd | Education | 2006 |
| Flobrickwork Ltd | Construction | 2025 |
| Florin & Oana Services Ltd | Transport & logistics | 2010 |
| Flortransport Ltd | Transport & logistics | 2024 |
| Fluent IT Systems & Support Limited | Professional & scientific | 2012 |
| Focast Property Limited | Real estate | 2021 |
| Focast Technology Limited | Information & communication | 2016 |
| Folasadeak Limited | Health & social care | 2016 |
| Foodclub UK Limited | Information & communication | 2019 |
| FOR Boiler Services Ltd | Information & communication | 2019 |
| Formit Fabrications (1995) Limited | Professional & scientific | 1994 |
| Formit Fabrications Limited | Manufacturing | 1989 |
| Fortlets Ltd | Real estate | 2019 |
| Foscco Limited | Construction | 2014 |
| Foundations-First Consulting Ltd | Professional & scientific | 2025 |
| Framtex Ltd | Construction | 2018 |
| Francis Blossom Support Ltd | Professional & scientific | 2023 |
| Frankie James Limited | Information & communication | 2014 |
| Fredfranca Investment Limited | Real estate | 2017 |
| Fredipharma Limited | Health & social care | 2017 |
| Friends Property Ltd | Real estate | 2026 |
| Frosthaul Ltd | Information & communication | 2025 |
| Funderer Limited | Information & communication | 2024 |
| Funky Willows Ltd | Health & social care | 2013 |
| Funtay Care Ltd | Health & social care | 2023 |
| Funtay Limited | Real estate | 2012 |
| Fynix Ltd | Construction | 2022 |
| Fyra Air Ltd | Manufacturing | 2026 |
| Fyra Media Ltd | Professional & scientific | 2026 |
| G & G Drivers Limited | Transport & logistics | 2015 |
| G & S Property Services Ltd | Construction | 2025 |
| G Utility Ltd | Construction | 2016 |
| G&L Construction Solutions Ltd | Construction | 2026 |
| G.F. Gordon (Homes) Ltd | Construction | 2015 |
| G.F. Gordon (Plant Hire) Limited | Water & waste | 2000 |
| G.F. Gordon (Waste Management) Ltd | Water & waste | 2012 |
| G.T. Chudley & SON Limited | Construction | 2002 |
| Gabiztee Consultancy Limited | Health & social care | 2024 |
| Gabriel LIPINSKI2 Ltd | Transport & logistics | 2025 |
| Gabriele Edil Ltd | Construction | 2015 |
| Gafix Ltd | Construction | 2024 |
| Ganata Ltd | Construction | 2014 |
| Gary Brown Scaffolding Limited | Construction | 2025 |
| GAS FIX Solutions Limited | Construction | 2019 |
| GB Welding & Mechanical Gear Ltd | Manufacturing | 2025 |
| GBM Building Group Ltd | Construction | 2026 |
| Gearbox Oils Limited | Wholesale & retail | 2019 |
| Genco AGT Limited | Construction | 2015 |
| Georden Ltd | Construction | 2015 |
| George Builder Limited | Construction | 2012 |
| George Popa Haulage Limited | Transport & logistics | 2013 |