| Full Motion Pilates Limited | Administrative & support | 2016 |
| Funnell Pharma Consultants Ltd | Professional & scientific | 2014 |
| Fureveruk Limited | Wholesale & retail | 2023 |
| Furniture Plus (Anglia) Ltd | Wholesale & retail | 2013 |
| Fustyweed Plumbing and Heating Services Ltd | Construction | 2020 |
| Future-Proof Group Media Limited | Professional & scientific | 2022 |
| Fuwan UK Ltd | Real estate | 2022 |
| G & G Investments Limited | Real estate | 2016 |
| G & G Management (Norwich) Limited | Administrative & support | 1999 |
| G & J Shakespeare Farms Limited | Agriculture & fishing | 2012 |
| G M - C Vehicle Communications Limited | Information & communication | 1998 |
| G&S Drylining Limited | Construction | 2022 |
| G. B. Edmonson (Holdings) Ltd | Financial services | 2000 |
| G. B. Edmonson (Property) Ltd | Administrative & support | 2000 |
| G.B. Edmonson Limited | Agriculture & fishing | 1978 |
| G.J. Buckley Builder Limited | Construction | 2010 |
| G.R.L. Drive Limited | Wholesale & retail | 2015 |
| Gadus Property Limited | Real estate | 2020 |
| Gadwall Marine Limited | Construction | 1997 |
| Galvgard (U.K.) Limited | Construction | 1999 |
| GAM Installation & Consultancy Ltd | Construction | 2017 |
| Gard Data Limited | Real estate | 1986 |
| Garden Designers Online Ltd | Administrative & support | 2020 |
| Garden Preserves Limited | Manufacturing | 2014 |
| Garner Electrical Services Ltd | Construction | 2021 |
| Garrod Developments Ltd | Construction | 2017 |
| Garrod Holdings Limited | Financial services | 2025 |
| Garrod Property Maintenance Ltd | Construction | 2023 |
| Gateley Estate Livery Limited | Agriculture & fishing | 2021 |
| Gavurdagli Ltd | Hospitality | 2025 |
| GC Aesthetic Clinics Ltd | Other services | 2025 |
| GDM Plumbing & Heating Ltd | Construction | 2017 |
| GED Building Limited | Construction | 2011 |
| Generations Norfolk Properties Ltd | Real estate | 2020 |
| Gent Consultancy LLP | | 2007 |
| Ghosts of Suburbia Limited | Manufacturing | 2022 |
| Ghughes Consultancy Limited | Information & communication | 2016 |
| Giles Wakely Limited | Professional & scientific | 2008 |
| Ginger Fine Wines Limited | Wholesale & retail | 2013 |
| GL Building Norfolk Ltd | Construction | 2025 |
| Glaven Valley Cottages Ltd | Real estate | 2026 |
| Glaven Valley Properties Limited | Real estate | 2016 |
| GLM Detailing Ltd | Wholesale & retail | 2026 |
| Global Commodities (GB) Limited | Wholesale & retail | 2001 |
| Globurion Limited | Wholesale & retail | 2025 |
| Gogo Mango Limited | Professional & scientific | 2017 |
| Going O Nwards and Upwards Limited | Hospitality | 2019 |
| Good Things Trading Limited | Wholesale & retail | 2018 |
| Goodfellow Construction Limited | Construction | 2015 |
| Gorgate Investments Limited | Financial services | 2024 |
| Gostling & SON Groundswork & Utilities Ltd | Construction | 2025 |
| Gotpeople Limited | Administrative & support | 2011 |
| Goulding Loft Conversions Limited | Construction | 2020 |
| Grasshenge Ltd | Administrative & support | 2026 |
| Great Support Limited | Wholesale & retail | 1996 |
| Green Heat Norfolk Ltd | Construction | 2022 |
| Green Lane Pigs Limited | Agriculture & fishing | 2016 |
| Green Pastures (Dereham) | Wholesale & retail | 2004 |
| Greenacre Electrical Ltd | Construction | 2025 |
| Greenacre Properties and Development Limited | Real estate | 2018 |
| Greenfields Property Rental Ltd | Real estate | 2021 |
| Greentree Business Management Ltd | Extraterritorial | 2014 |
| Greentree Caravan Stores Ltd | Wholesale & retail | 2003 |
| Gressenhall Five Residents Management Company Limited | Households | 2019 |
| Gridstone Service Group Limited | Construction | 2021 |
| Grimpeur Consulting Limited | Public administration | 2015 |
| Grizzly Bear Driving Services Ltd | Transport & logistics | 2013 |
| Grnd Group Limited | Wholesale & retail | 2025 |
| Group C Ltd | Professional & scientific | 2016 |
| Groveland Restaurant Limited | Hospitality | 2023 |
| Grovemile Development Limited | Real estate | 2017 |
| Growspec Limited | Wholesale & retail | 2021 |
| Growthpeak Limited | Wholesale & retail | 2025 |
| GRW Consultancy Ltd | Professional & scientific | 2011 |
| GTE Dereham Ltd | Manufacturing | 2020 |
| GTI Fabrications Ltd | Manufacturing | 2021 |
| Gutter Vacuum Systems Ltd | Wholesale & retail | 2017 |
| GVH Hospitality Ltd | Hospitality | 2013 |
| GVH1 Ltd | Hospitality | 2021 |
| GY Services Ltd | Other services | 2015 |
| Gymtec Fitness Limited | Extraterritorial | 2016 |
| H & H Argent Properties Ltd | Real estate | 2015 |
| H & J Entertainments Limited | Arts & recreation | 2025 |
| H Howe Residential Ltd | Real estate | 2025 |
| H. J. Allen Plumbing & Heating Limited | Construction | 2025 |
| H.G. Pledger (Storage) Limited | Transport & logistics | 1973 |
| H.G.Pledger(Haulage)Limited | Transport & logistics | 1955 |
| Hair Arrt Limited | Other services | 2018 |
| Hair NOW (1982) Limited | Other services | 2007 |
| Hannah's Swim School Ltd | Education | 2019 |
| Happy Hedgehogs Daycare Ltd | Health & social care | 2025 |
| Happyfeet Watton Limited | Health & social care | 2013 |
| Hardy Builds Limited | Construction | 2010 |
| Hardyman BRP Ltd | Construction | 2016 |
| Harper Fine Angling Books Ltd | Information & communication | 2014 |
| Hart Industrial Software Limited | Hospitality | 1988 |
| Harvestile Property Consultancy Limited | Professional & scientific | 2017 |
| Harveys Nurseries Limited | Real estate | 1998 |
| Hawkmoore Recruitment Ltd | Administrative & support | 2021 |
| Hawthorns Glamping Ltd | Hospitality | 2019 |