| FUMMEX@14 Ltd | Wholesale & retail | 2026 |
| Functional Training Camps Ltd | Arts & recreation | 2018 |
| Functional Training Company Ltd | Arts & recreation | 2012 |
| Funeral Administration Limited | Professional & scientific | 2015 |
| Funeral Expert.Com Limited | Extraterritorial | 2017 |
| Funeral Furnishing Manufacturers' Association | Other services | 2019 |
| Funeralsafe SPV Limited | Financial services | 2018 |
| Funk Nail House Limited | Other services | 2023 |
| Funky Frog Games Limited | Wholesale & retail | 2026 |
| Funky Lemon Ltd | Manufacturing | 2023 |
| Furner Ward Investments Ltd | Real estate | 2016 |
| Furrly Ltd | Wholesale & retail | 2025 |
| Further Design & Management Limited | Construction | 2021 |
| Fusion Axis Solutions Ltd | Wholesale & retail | 2025 |
| Fusion Broadband UK Limited | Information & communication | 2020 |
| Fusion for Predictions Ltd | Extraterritorial | 2014 |
| Fusion Orient Limited | Hospitality | 2024 |
| Fusion Power Network Ltd | Administrative & support | 2019 |
| Fusti Fecskek Ltd | Transport & logistics | 2017 |
| Futura School Limited | Education | 2015 |
| Future Female Society CIC | Education | 2016 |
| Future Finance Funding Limited | Financial services | 2021 |
| Future for Project Development Ltd | Other services | 2024 |
| Future Gateways Ltd | Education | 2015 |
| Future Generation Corporation Ltd | Other services | 2023 |
| Future Ground Property Limited | Households | 1993 |
| Future People Learning Limited | Education | 2021 |
| Future Sourcing Group Limited | Administrative & support | 2023 |
| Future Tech Solar Ltd | Wholesale & retail | 2021 |
| Futurelectrical Ltd | Construction | 2015 |
| Futurestars (West and Central Africa) | Other services | 2017 |
| FVL Transport Ltd | Transport & logistics | 2025 |
| FW Group Limited | Financial services | 2025 |
| FX Nation Ltd | Financial services | 2023 |
| Fylentis Resource Index Ltd | Information & communication | 2026 |
| Fynn Heights Consulting Limited | Information & communication | 2022 |
| Fynn Physiotherapy Ltd | Health & social care | 2022 |
| Fynn Property Ltd | Real estate | 2020 |
| Fynn Valley Lodges Ltd | Hospitality | 2011 |
| Fynnbrook Financial Planning Ltd | Financial services | 2024 |
| G & a Fire Protection Services Limited | Extraterritorial | 2019 |
| G & a Management Company Limited | Households | 2021 |
| G & a Promotions Limited | Administrative & support | 2011 |
| G & a Safety Limited | Wholesale & retail | 2020 |
| G & D Holdings Limited | Financial services | 2015 |
| G & E Woodbridge Consortium Limited | Construction | 2001 |
| G & G Joinery Limited | Manufacturing | 1999 |
| G & G Worldwide Ltd | Professional & scientific | 2013 |
| G & H Associates (Europe) Limited | Professional & scientific | 2002 |
| G & H Associates Limited | Professional & scientific | 2002 |
| G & T Carpentry Limited | Construction | 2014 |
| G Buy ANY Car Ltd | Other services | 2026 |
| G C Fixings Ltd | Construction | 2011 |
| G G Wood Enterprises Limited | Financial services | 2013 |
| G Gilbey Deliveries Ltd | Transport & logistics | 2018 |
| G Glaccum Consulting Limited | Information & communication | 2013 |
| G H Property (East Anglia) Limited | Real estate | 2022 |
| G I D Building Services Ltd | Construction | 2023 |
| G J Garner & Sons Builders Ltd | Construction | 2012 |
| G J Watts & SON Limited | Construction | 2011 |
| G K G East Anglia Limited | Construction | 2006 |
| G M a Warehousing and Transport Holdings Limited | Professional & scientific | 2006 |
| G Matei Construct Limited | Construction | 2015 |
| G Meadows (Suffolk) Limited | Construction | 2017 |
| G Peacock Plumbing & Heating Ltd | Construction | 2018 |
| G R Lawson Limited | Professional & scientific | 2010 |
| G Rees (East Anglia) Limited | Professional & scientific | 2015 |
| G S Driver Services Ltd | Transport & logistics | 2025 |
| G Walker Technical Services Limited | Professional & scientific | 2023 |
| G X Genealogy Ltd | Administrative & support | 2021 |
| G&J Car Sales Limited | Wholesale & retail | 2019 |
| G&M Euro TEX Ltd | Manufacturing | 2015 |
| G&P Property Investors Ltd | Real estate | 2025 |
| G-View Investments Limited | Professional & scientific | 2020 |
| G-View Ltd | Administrative & support | 2010 |
| G. B. Jackaman Limited | Construction | 2016 |
| G. M. Saunders Builders Limited | Construction | 2004 |
| G.B. Motors Limited | Wholesale & retail | 2001 |
| G.B.S. Builders (Ipswich) Limited | Construction | 2004 |
| G.E. & G.W. Stennett Limited | Agriculture & fishing | 1947 |
| G.K. Parker Limited | Professional & scientific | 1995 |
| G.M House Ltd | Wholesale & retail | 2025 |
| G.P. Root Limited | Professional & scientific | 2007 |
| G.R.A.M.S Styling Ltd | Other services | 2018 |
| G.S.Uppal Transport Ltd | Transport & logistics | 2018 |
| G3ORGE Transport Ltd | Transport & logistics | 2019 |
| G3T Dentistry Ltd | Health & social care | 2023 |
| G3T Homes Ltd | Real estate | 2021 |
| GAA (EN) Properties Ltd | Households | 2018 |
| Gabbitt Media Ltd | Arts & recreation | 2020 |
| Gabimon Limited | Transport & logistics | 2017 |
| Gable Property Investments Limited | Real estate | 2020 |
| Gables Management Company (Suffolk) Limited | Professional & scientific | 2003 |
| Gabriel KWS Ltd | Transport & logistics | 2024 |
| Gabrielle’S Tanning Studio Ltd | Other services | 2025 |
| Gadas Services Limited | Real estate | 2018 |
| Gadget Mayhem Ltd | Wholesale & retail | 2015 |
| Gadgets Fone-Tech Ltd | Wholesale & retail | 2019 |
| Gadgets Solution Centre Limited | Wholesale & retail | 2019 |
| Gadiam Limited | Manufacturing | 2016 |