| Frazer Architectural Services Ltd | Professional & scientific | 2023 |
| Fred Reeve Limited | Real estate | 1911 |
| Fred. Olsen Windcarrier Limited | Professional & scientific | 2012 |
| Freedom to Create Ltd | Professional & scientific | 2018 |
| French Country Cottages Limited | Arts & recreation | 1982 |
| Fresh Financial Consultants Limited | Financial services | 2011 |
| Fresh Wills Ltd | Financial services | 2018 |
| Friday & Co Estate Agents Ltd | Real estate | 2025 |
| Friday Financial Services Ltd | Financial services | 2015 |
| Friends of Claremont Pier CIC | Administrative & support | 2024 |
| Fritton Lake Limited | Arts & recreation | 1979 |
| Froggy Hire Ltd | Administrative & support | 2013 |
| Froggy Management Services Limited | Administrative & support | 2016 |
| Fully Loaded Removals Ltd | Professional & scientific | 2016 |
| FUN. Football. Fitness. Ltd | Arts & recreation | 2022 |
| Funkme Fusions Limited | Manufacturing | 2018 |
| Funnells Limited | Wholesale & retail | 2002 |
| Fusion Apps Ltd | Professional & scientific | 2025 |
| Fusion Internet Services Limited | Information & communication | 1998 |
| Future Accounting Ltd | Professional & scientific | 2023 |
| Futuretech Equipment Limited | Administrative & support | 2025 |
| G & E Plumbing & Heating Limited | Construction | 2019 |
| G & H Drifter Ltd | Hospitality | 2025 |
| G & K Brady Limited | Construction | 2003 |
| G & L Property Investments (East Anglia) Ltd | Real estate | 2021 |
| G Adams NDT Testing Limited | Professional & scientific | 2019 |
| G MAC Services Limited | Professional & scientific | 2005 |
| G Masters Welding and Construction Limited | Construction | 2019 |
| G Wood Carpentry Limited | Construction | 2007 |
| G&P Transport Ltd | Transport & logistics | 2021 |
| G&T Homes Limited | Construction | 2017 |
| G.H.Agricultural Limited | Real estate | 1972 |
| G.T. Entertainments (Hotels) Limited | | 1973 |
| G2 Access Solutions Limited | Manufacturing | 2017 |
| G40 Consultancy Ltd | Professional & scientific | 2023 |
| GAA JD Limited | Transport & logistics | 2023 |
| Gainsborough Drive Residents Association Limited | Households | 2001 |
| Gals Commercial Limited | Real estate | 2022 |
| Game Shop Darts Ltd | Wholesale & retail | 2026 |
| Gaming Events 2 U Ltd | Arts & recreation | 2024 |
| Garden KOI Ltd | Wholesale & retail | 2025 |
| Gardenman Limited | Wholesale & retail | 2011 |
| Gary Aldred Electrical Services Limited | Construction | 2011 |
| Gary Lambert Construction Limited | Construction | 2009 |
| Gary Lambert Properties Limited | Real estate | 2019 |
| Gary Rushbrooke Carpentry Limited | Construction | 2003 |
| GB Joinery (East Anglia) Limited | Manufacturing | 2003 |
| GB Residential Limited | Real estate | 2025 |
| GC Site Services Limited | Construction | 2012 |
| GD Geoconsulting Limited | Professional & scientific | 2019 |
| GDA Developments Ltd | Real estate | 2021 |
| GDS Properties Ltd | Real estate | 2006 |
| Geefx Studios Limited | Information & communication | 2011 |
| Gemini Oilfield Services Ltd | Professional & scientific | 2018 |
| Gentry Security Services Limited | Administrative & support | 2011 |
| Gentry Services (E.A.) Limited | Construction | 2005 |
| Gent’S Club Traditional Barber Ltd | Other services | 2026 |
| GEO Therm Limited | Manufacturing | 2002 |
| Geoffrey Cooper Limited | Financial services | 2014 |
| George Prior Engineering (Ipswich) Limited | Energy | 1990 |
| George Prior Engineering Limited | Energy | 1978 |
| Gerald Carter Ltd | Construction | 2016 |
| GET Renting Right Limited | Professional & scientific | 2025 |
| GFX Offshore Limited | Mining & quarrying | 2015 |
| Giardino Restaurant Ltd | Hospitality | 2024 |
| Gibbons Vehicle Sales Ltd | Wholesale & retail | 2024 |
| Gilbert Electrical and Security Limited | Construction | 2008 |
| Gisleham Fabrication Limited | Manufacturing | 2025 |
| Gisleham Farming Unlimited | Agriculture & fishing | 2021 |
| Gisleham Industries (Holdings) Limited | Financial services | 2026 |
| Gisleham Precision Limited | Manufacturing | 2025 |
| Gissing Electrical Ltd | Construction | 2022 |
| GJC Ventures Limited | Financial services | 2021 |
| GJL Trade Limited | Real estate | 2001 |
| GK Offshore Ltd | Professional & scientific | 2023 |
| GKD Renovations Limited | Real estate | 2021 |
| Glanvile Limited | Real estate | 2016 |
| Gleclay Services Limited | Professional & scientific | 2013 |
| Glenn Networks Ltd | Administrative & support | 2018 |
| Glimma Investments Limited | Extraterritorial | 2013 |
| Global Asset International Limited | Real estate | 2018 |
| Global Diving Support Network Limited | Professional & scientific | 2021 |
| Global Process Services Limited | Professional & scientific | 2017 |
| Global Well Testing Services Limited | Administrative & support | 2016 |
| Global Wind Service (UK) Limited | Administrative & support | 2009 |
| Globaleye Ssow Limited | Information & communication | 2024 |
| Globe Lowestoft Limited | Real estate | 2026 |
| Gloss Accountancy Ltd | Professional & scientific | 2019 |
| Glow by Ellis Sophie Ltd | Other services | 2024 |
| GM Construction Limited | Transport & logistics | 2021 |
| Gmale Services Limited | Real estate | 2019 |
| GMS Offshore Consulting Limited | Professional & scientific | 2026 |
| Goddess Nails Spa Ltd | Other services | 2024 |
| Godfreys I.T. Limited | Wholesale & retail | 2006 |
| Golden Castle (Hong Kong) Ltd | Hospitality | 2020 |
| Golden IVY Hair and Beauty Limited | Other services | 2026 |
| Golden Memories Day Care Ltd | Health & social care | 2023 |
| Golden Palace 88 Limited | Hospitality | 2024 |
| Golden Phoenix (East Point) Ltd | Hospitality | 2023 |
| Goldie Consulting Ltd | Professional & scientific | 2020 |