| Gptuk Ltd | Information & communication | 2025 |
| Gpuniverse Ltd | Wholesale & retail | 2024 |
| GR Business Group Ltd | Professional & scientific | 1995 |
| GR Phelps Ltd | Professional & scientific | 2016 |
| GR Pigott Ltd | Construction | 2017 |
| GR Vehicle Rentals Ltd | Administrative & support | 2024 |
| GR8 AS U R | Education | 2011 |
| Grace & MAY Developments Ltd | Construction | 2021 |
| Grace Byng Aesthetics Academy Ltd | Education | 2021 |
| Grace Byng Aesthetics Ltd | Other services | 2021 |
| Grace House Ministries Limited | Other services | 2024 |
| Grace Park Management Company Limited | Households | 2016 |
| Grace Pinnacle Ltd | Health & social care | 2022 |
| Grace Resin Flooring Limited | Construction | 2006 |
| Gracefield Project Management Ltd | Construction | 2025 |
| Graces Secret Garden Ltd | Wholesale & retail | 2026 |
| Gradeice Property Holdings Limited | Real estate | 1983 |
| Grafft Ltd | Other services | 2024 |
| Graft SKN Ltd | Wholesale & retail | 2025 |
| Graham Harris Properties Ltd | Real estate | 2016 |
| Graham Johnston Therapy & Coaching Limited | Health & social care | 2025 |
| Graham Law Services Ltd | Administrative & support | 2019 |
| Graham Varley Building Contractors Limited | Construction | 2016 |
| Grain Brewery Limited | Manufacturing | 2011 |
| Grain Pubs Limited | Hospitality | 2011 |
| Gran CRU Consulting Limited | Administrative & support | 2013 |
| Granary Properties Ltd | Real estate | 2026 |
| Grand Canal Limited | Hospitality | 2019 |
| Grand Dine Ltd | Hospitality | 2018 |
| Grand Plumbing & Heating Ltd | Construction | 2022 |
| Grand Promotion Events Ltd | Arts & recreation | 2003 |
| Grand UK Holidays Limited | Administrative & support | 2001 |
| Grand Vision Developments Limited | Construction | 2016 |
| Grandhus Ltd | Professional & scientific | 2020 |
| Grandstand Developments Ltd | Other services | 2016 |
| Grandstand Homes Ltd | Construction | 2023 |
| Grange Barn Residents' Association Limited | Professional & scientific | 1987 |
| Grange Court (Cromer) Management Company Limited | Households | 1989 |
| Grange Dynamics Limited | Information & communication | 1996 |
| Grange Farm Meadows Limited | Agriculture & fishing | 2011 |
| Granimpex Limited | Administrative & support | 2011 |
| Granlee South Limited | Construction | 2020 |
| Grant Street Collective Ltd. | Wholesale & retail | 2018 |
| Grant-Fordham Consulting Limited | Professional & scientific | 2023 |
| Grantham Road Development Limited | Construction | 2016 |
| Granulytic Ltd | Information & communication | 2025 |
| Grapes Joinery Ltd | Manufacturing | 2018 |
| Graphic Print Partnership Limited | Manufacturing | 2001 |
| Graphic Print Solutions Ltd | Manufacturing | 2002 |
| Graphifi Ltd | Information & communication | 2019 |
| Grasshopper Estates Limited | Construction | 2004 |
| Grasshopper Shop Ltd | Wholesale & retail | 2014 |
| Grassroots Creative Agency Limited | Professional & scientific | 2021 |
| Graver & Co. Limited | Professional & scientific | 1997 |
| Gravitas Technology Ltd | Information & communication | 2019 |
| Gravity Flooring (Intl) Ltd | Construction | 2023 |
| Gravity Global Performance Marketing Ltd | Information & communication | 2007 |
| Gray & Co Accountancy Ltd | Professional & scientific | 2018 |
| Gray & Co Construction Ltd | Construction | 2022 |
| Gray & Co Developments (Great Ellingham) Ltd | Construction | 2023 |
| Gray & Co Developments (the Farthings) Ltd | Real estate | 2025 |
| Gray & Co Developments (Wreningham) Ltd | Real estate | 2024 |
| Gray & Co Developments Ltd | Real estate | 2019 |
| Gray & Co Estates Ltd | Real estate | 2022 |
| Gray and Jarrett Limited | Construction | 2003 |
| Gray Commercial Properties Limited | Real estate | 2022 |
| Gray FLY Ltd | Professional & scientific | 2017 |
| Gray Paradox Consulting Limited | Professional & scientific | 2025 |
| Gray Paradox Holdings Limited | Financial services | 2017 |
| Gray Paradox International Limited | Real estate | 2026 |
| Gray Paradox Limited | Real estate | 2018 |
| Gray Paradox Trading Limited | Wholesale & retail | 2026 |
| Gray's Fitted Furniture Limited | Manufacturing | 2006 |
| Gray's of Norwich Limited | Construction | 1997 |
| Grays Tyre Services Ltd | Wholesale & retail | 2009 |
| Graze Inn Limited | Hospitality | 1994 |
| Grazing Ground Farms Limited | Agriculture & fishing | 2024 |
| Grazing Ground Holdings Limited | Financial services | 2024 |
| GRB Property & Management Ltd | Extraterritorial | 2024 |
| Greasebusters (Norfolk) Ltd | Administrative & support | 2014 |
| Great Britannia Training Ltd | Health & social care | 2006 |
| Great Grove Poultry Ltd | Agriculture & fishing | 2014 |
| Great House Limited Company Limited | Real estate | 2018 |
| Great Melton Farms Limited | Agriculture & fishing | 1968 |
| Great UK Health Care Ltd | Health & social care | 2013 |
| Great VUE PUB Limited | Hospitality | 2024 |
| Great Yarmouth Energy Storage Company Limited | Construction | 2022 |
| Great Yarmouth Landlords Ltd | Professional & scientific | 2026 |
| Great Yarmouth Marble and Granite Limited | Wholesale & retail | 1995 |
| Great Yarmouth Norse Limited | Other services | 2014 |
| Great Yarmouth Property Services (Holdings) Limited | Administrative & support | 2010 |
| Great Yarmouth Sport and Leisure Trust | Arts & recreation | 2006 |
| Greatbarty Ltd | Wholesale & retail | 2026 |
| Greatest Services Ltd | Administrative & support | 2018 |
| Greega Limited | Information & communication | 2025 |
| Greek Actually Ltd | Hospitality | 2024 |
| Greek Doner Norwich Ltd | Hospitality | 2024 |
| Greek Film Music Limited | Information & communication | 2016 |
| Greek Street Food to Go Ltd | Hospitality | 2024 |
| Greeksternorwich Limited | Hospitality | 2025 |