| Glazingo Limited | Information & communication | 2023 |
| Glenn Burgess Plumbing & Heating Services Limited | Construction | 2017 |
| GLF Steel Limited | Manufacturing | 2019 |
| Glideline Limited | Construction | 2016 |
| Global Access Platforms Limited | Wholesale & retail | 2011 |
| Global Access Training Limited | Professional & scientific | 2018 |
| Global Decom Services Ltd | Professional & scientific | 2021 |
| Global Renewable Offshore Wind Ltd | Energy | 2025 |
| GLT Perio Ltd | Health & social care | 2025 |
| GM CNC Servicing Ltd | Manufacturing | 2021 |
| GMY Consultancy Limited | Mining & quarrying | 2013 |
| Go Geronimo CIC | Health & social care | 2016 |
| Godbold Electrical Ltd | Construction | 2021 |
| Gogo Trading Limited | Hospitality | 2023 |
| Gogreen Home and Garden Ltd | Construction | 2025 |
| Golden Finch Holdings Limited | Households | 2026 |
| Golden Mile Doner Ltd | Hospitality | 2025 |
| Goldflake Events Limited | Other services | 2017 |
| Goldman Homes Limited | Real estate | 2016 |
| Goldwell Management Limited | Real estate | 2026 |
| Goldwell Manufacturing Services Limited | Manufacturing | 2016 |
| Golf Explorations Limited | Arts & recreation | 1998 |
| Gomescery Limited | Wholesale & retail | 2025 |
| Gomez Fresh Fish Ltd | Wholesale & retail | 2024 |
| Gooch & Sons Garage Services Limited | Wholesale & retail | 2008 |
| Good & Good Investments Limited | Real estate | 2022 |
| Good & Good Limited | Health & social care | 2020 |
| Good Times (GT Yarmouth ) Ltd | Wholesale & retail | 2009 |
| Goodchild Holdings Limited | Manufacturing | 2016 |
| Goodchild Marine Services Limited | Manufacturing | 2002 |
| Gorleston Apiary Ltd | Manufacturing | 2023 |
| Gorleston Beach Ltd | Arts & recreation | 2017 |
| Gorleston Cctv Limited | Public administration | 2007 |
| Gorleston Football Club C.I.C. | Education | 2025 |
| Gorleston Fruit and Spice Ltd | Wholesale & retail | 2026 |
| Gorleston HCW Ltd | Administrative & support | 2021 |
| Gorleston Management Company Limited | Other services | 1984 |
| Gorleston Marine Limited | Wholesale & retail | 1972 |
| Gorleston MOT and Safety Centre Limited | Wholesale & retail | 2009 |
| Gorleston Nails Ltd | Other services | 2026 |
| Gorleston Pavilion Trust Ltd | Professional & scientific | 2010 |
| Gorleston Save & Drive Limited | Wholesale & retail | 2005 |
| Gorleston Shoe Repairs Ltd | Other services | 2003 |
| Gorleston Spa Ltd | Other services | 2026 |
| Gorlestone Mini Market Ltd | Wholesale & retail | 2025 |
| GP Architectural Services Limited | Professional & scientific | 2015 |
| GP Europe Limited | Information & communication | 2008 |
| GPF Brickworks Ltd | Construction | 2026 |
| GR8 Yarmouth Properties Limited | Real estate | 2026 |
| Graham Brown Developments Limited | Construction | 2003 |
| Grampian Continental Properties Ltd | Real estate | 2015 |
| Granite Recruitment Ltd | Administrative & support | 2004 |
| Grapex Accountancy Solutions Ltd | Professional & scientific | 2020 |
| Graphix Management Limited | Professional & scientific | 1998 |
| Grayco Limited | Wholesale & retail | 2011 |
| Great Yarmouth Arts Festival CIC | Arts & recreation | 2011 |
| Great Yarmouth Building Management and Development Limited | Hospitality | 2014 |
| Great Yarmouth Car Sales Ltd | Wholesale & retail | 2025 |
| Great Yarmouth Ceilings Limited | Construction | 1977 |
| Great Yarmouth Centre for Community Writing CIC | Education | 2023 |
| Great Yarmouth Community Projects CIC | Health & social care | 2024 |
| Great Yarmouth First Ltd | Other services | 2025 |
| Great Yarmouth Leaflet Distribution Ltd | Professional & scientific | 2023 |
| Great Yarmouth Minster Preservation Trust | Other services | 1996 |
| Great Yarmouth Muslim Community Centre CIC | Education | 2026 |
| Great Yarmouth Preservation Trust | Real estate | 1980 |
| Great Yarmouth Property Developments Limited | Construction | 2008 |
| Great Yarmouth Refugee & Outreach Support Limited | Information & communication | 2002 |
| Great Yarmouth Seachange Trading Limited | Other services | 1997 |
| Great Yarmouth Seafarers Centre Ltd | Health & social care | 2014 |
| Great Yarmouth Services Limited | Water & waste | 2022 |
| Great Yarmouth Storage Limited | Transport & logistics | 2011 |
| Great Yarmouth Town CIC | Education | 2023 |
| Great Yarmouth Traders Ltd | Wholesale & retail | 2025 |
| Great Yarmouth Unity Project Community Interest Company | Other services | 2025 |
| Great Yarmouth-Gorleston Lettings Ltd | Real estate | 2016 |
| Great Yarmouth’S Barbers Ltd | Other services | 2026 |
| Greater Yarmouth Tourism & Business Improvement Area Ltd | Other services | 1995 |
| Green Energy Housing Ltd | Real estate | 2022 |
| Green Enterprises (Norfolk) Ltd | Administrative & support | 2014 |
| Green Plus Ltd | Wholesale & retail | 2018 |
| Green Property Holdings Ltd | Real estate | 2017 |
| Green-Duck (Anglia) Ltd | Construction | 2017 |
| Greencroft Plastics Limited | Water & waste | 1998 |
| Greenoaks Residents' Management Company Ltd | Households | 2001 |
| Grellys Limited | Hospitality | 2015 |
| Greyfox Consultants Ltd | Construction | 2017 |
| Griffco Ventures Limited | Financial services | 2021 |
| Griffen Lettings Ltd | Real estate | 2024 |
| Griffyth Services Ltd | Information & communication | 2010 |
| Groge Ltd | Transport & logistics | 2025 |
| Grosvenor Car Sales Limited | Extraterritorial | 2021 |
| Grosvenor Cars (Norfolk) Ltd | Wholesale & retail | 2024 |
| Ground Divine Limited | Real estate | 2021 |
| Ground Works for YOU Limited | Construction | 2025 |
| Growing Enterprise Group Ltd | Administrative & support | 2024 |
| Grpsj Limited | Health & social care | 2021 |
| GSD Dental Limited | Health & social care | 2023 |
| Gsen Ltd | Transport & logistics | 2017 |
| GSM Specialist Ltd | Information & communication | 2025 |