| Great North Urology Ltd | Health & social care | 2026 |
| Great Northern Fasteners Limited | Financial services | 2022 |
| Great Northern Investments Limited | Professional & scientific | 2006 |
| Great Park Blinds Ltd | Wholesale & retail | 2019 |
| Great Park Communities Ltd | Administrative & support | 2025 |
| Great Park Community Centre Association | Arts & recreation | 2013 |
| Great Park Community Spaces Limited | Administrative & support | 2026 |
| Great Park Food Company Ltd. | Wholesale & retail | 2009 |
| Great Park Heating Ltd | Construction | 2024 |
| Great Park Motors Ltd | Wholesale & retail | 2022 |
| Great Park Residential Ltd | Construction | 2022 |
| Great Park Trading Ltd | Wholesale & retail | 2023 |
| Great Space Architecture Limited | Professional & scientific | 2013 |
| Great Whittington Developments Limited | Construction | 2015 |
| Greatnecaringhands C.I.C. | Health & social care | 2025 |
| Greek Whickham Ltd | Hospitality | 2025 |
| Green & Elliott Limited | Administrative & support | 2009 |
| Green Acres BNG Limited | Professional & scientific | 2025 |
| Green Arcade Ltd | Real estate | 2021 |
| Green Construction Group Limited | Construction | 2022 |
| Green Consult Limited | Information & communication | 2012 |
| Green Developments NE Ltd | Real estate | 2024 |
| Green Energy Consulting Limited | Professional & scientific | 2020 |
| Green Engineering Ltd | Professional & scientific | 2022 |
| Green Frog Chocolate Ltd | Manufacturing | 2025 |
| Green Gates Design & Build Limited | Real estate | 2017 |
| Green Genie Energy Solutions Limited | Professional & scientific | 2023 |
| Green Journey Limited | Professional & scientific | 2020 |
| Green Light Developments (NE) Limited | Real estate | 2021 |
| Green Light NE Ltd | Construction | 2024 |
| Green Lizard Estates Limited | Administrative & support | 2005 |
| Green Lizard Group Holdings Limited | Financial services | 2016 |
| Green Lizard Holdings Limited | Financial services | 2010 |
| Green Lizard Investments Limited | Financial services | 2025 |
| Green Lizard Land Limited | Real estate | 2012 |
| Green Lizard Link Line Corridor Limited | Real estate | 2024 |
| Green Lizard Power to Liquids Limited | Financial services | 2024 |
| Green Lizard Properties Limited | Real estate | 2024 |
| Green Lizard Rail Limited | Real estate | 2017 |
| Green Lizard Remediation Limited | Water & waste | 2004 |
| Green Lizard Technologies Limited | Professional & scientific | 2024 |
| Green Lotus Eco Solutions Ltd | Wholesale & retail | 2024 |
| Green Machine North East Ltd | Administrative & support | 2025 |
| Green Markhor Limited | Wholesale & retail | 2021 |
| Green Ocean Textile Ltd | Manufacturing | 2019 |
| Green Parks (Holdings) Limited | Financial services | 2012 |
| Green Power Associate Ltd | Professional & scientific | 2019 |
| Green Power Global Ltd | Professional & scientific | 2024 |
| Green Property (NE) UK Ltd | Real estate | 2026 |
| Green Property Group Ltd | Real estate | 2020 |
| Green Rose Labs Limited | Information & communication | 2026 |
| Green Sheen Construction Limited | Construction | 2009 |
| Green Shoots Gardening Limited | Construction | 2002 |
| Green Smoke Studio Limited | Information & communication | 2024 |
| Green Supplier Business Limited | Professional & scientific | 2020 |
| Green Survey UK Ltd | Construction | 2024 |
| Green Unicorn Software Limited | Hospitality | 2024 |
| Greenan Blueaye Limited | Hospitality | 2010 |
| Greenarch Financial Planning Limited | Financial services | 2026 |
| Greenarch Wealth Management Limited | Financial services | 2005 |
| Greencroft Estate Company Ltd(The) | Real estate | 1926 |
| Greenflame Consultancy Services Limited | Professional & scientific | 1997 |
| Greengage Agritech Limited | Manufacturing | 2008 |
| Greening Wingrove Community Interest Company | Other services | 2012 |
| Greenlaw Tech Ltd | Information & communication | 2025 |
| Greenlea Roofing & General Maintenance Ltd | Construction | 2025 |
| Greenleafe BR Retail Limited | Wholesale & retail | 2025 |
| Greenleafe Estates Limited | Real estate | 2015 |
| Greenleafe Group Ltd | Financial services | 2022 |
| Greenleafe Properties Limited | Real estate | 2013 |
| Greenmore Developments Limited | Real estate | 2006 |
| Greensfield Moor Development Limited | Extraterritorial | 2010 |
| Greenside Estates Ltd | Real estate | 2022 |
| Greenstar Commercial Cleaning Ltd. | Administrative & support | 2014 |
| Greenstone Real Estate UK Ltd | Real estate | 2023 |
| Greenteck Global Solutions Limited | Administrative & support | 2026 |
| Greenth AI Ltd | Information & communication | 2024 |
| Greenvale Park (Newcastle) Management Company Limited | Real estate | 2011 |
| Greenway SP Limited | Professional & scientific | 2020 |
| Greenways (Wallsend) Limited | Wholesale & retail | 2018 |
| Greenwell Design Limited | Professional & scientific | 2009 |
| Greenwell Grange Ltd | Extraterritorial | 2019 |
| Greenwells of Gosforth Ltd | Wholesale & retail | 2021 |
| Greenx Holdings (UK) Limited | Financial services | 2024 |
| Greenx Investments (UK) Limited | Financial services | 2024 |
| Greetham Gilbert Ltd | Real estate | 2023 |
| Greg Munt Ltd | Information & communication | 2021 |
| Greggs (Leasing) Limited | Administrative & support | 1943 |
| Greggs 1978 Pension Scheme Trustee Limited | Extraterritorial | 2011 |
| Greggs PLC | Manufacturing | 1951 |
| Greggs Properties Limited | Real estate | 1925 |
| Greit Limited | Professional & scientific | 2006 |
| Grenville Estates North Limited | Real estate | 2014 |
| Grewal Construction Services Limited | Construction | 2023 |
| Grewal Lets Limited | Real estate | 2024 |
| Grewal Retreats Limited | Real estate | 2020 |
| Grey ST. Optician Ltd | Health & social care | 2007 |
| Grey Street Capital Limited | Construction | 2016 |
| Grey Street Express Ltd | Wholesale & retail | 2019 |
| Grey Street Financial Ltd | Financial services | 2014 |