| Global Business Developments (JAB) Limited | Professional & scientific | 2018 |
| Global Exam Centre Ltd | Information & communication | 2020 |
| Global Expatriates Limited | Financial services | 1989 |
| Global Grub Limited | Wholesale & retail | 2025 |
| Global Money Transfer Group Limited | Financial services | 2022 |
| Global Procurement Group Limited | Administrative & support | 2014 |
| Global Property Consultants Limited | Real estate | 2013 |
| Global W2E Ltd | Professional & scientific | 2021 |
| Globe Court Ltd | Extraterritorial | 2015 |
| Globe Industrial Ltd | Extraterritorial | 2015 |
| Globe Prop Ltd | Real estate | 2026 |
| Gloria Restaurant (Prudhoe) Ltd | Hospitality | 2017 |
| Glow Well Ltd | Real estate | 2021 |
| Glumor Properties Ltd | Real estate | 2020 |
| GMA Developments (Ebchester) Ltd | Construction | 2018 |
| GMA Developments (Lanchester) Ltd | Real estate | 2018 |
| GMA Investments Ltd | Real estate | 2019 |
| GMR Management Services Limited | Professional & scientific | 2026 |
| Gmsm Bootcamp Ltd | Arts & recreation | 2019 |
| Go AS YOU Please Funerals 2009 Ltd | Other services | 2009 |
| Go Design Limited | Professional & scientific | 2007 |
| Go Redirect Logistics Ltd | Transport & logistics | 2026 |
| GO-2 Property Solutions Limited | Real estate | 2019 |
| Gobbledygook Ltd | Wholesale & retail | 2025 |
| Goconnect Technologies Ltd | Information & communication | 2025 |
| Going Dutch T/A South Shields Florist Limited | Wholesale & retail | 2012 |
| Gold Boutique (UK) Ltd | Professional & scientific | 2014 |
| Gold Connections Ltd | Other services | 2020 |
| Gold Corporation Limited | Wholesale & retail | 2019 |
| Golden Beginnings Daycare Ltd | Health & social care | 2021 |
| Golden Fish Bar (Boxlaw) Ltd | Hospitality | 2017 |
| Golden Heart Care and Support Ltd | Public administration | 2025 |
| Golden Tyne Food Limited | Hospitality | 2020 |
| Golders Energy Limited | Other services | 2018 |
| Goldkin Estates Limited | Real estate | 2021 |
| Goldmedal Healhcare Support Ltd | Administrative & support | 2025 |
| Goldy Topman Ltd | Manufacturing | 2025 |
| Golfswing | Professional & scientific | 1992 |
| Golightly Welding Limited | Professional & scientific | 2017 |
| Gomes Neto Ltd | Health & social care | 2013 |
| Good EGG Consultants Limited | Professional & scientific | 2014 |
| Good Sakana Ltd | Information & communication | 2024 |
| Good Vibe Tribe Creative Collectives Ltd | Other services | 2024 |
| Goodall Electrical and Building Limited | Other services | 2023 |
| Goodbrews Limited | Hospitality | 2013 |
| Goodietech Ltd | Information & communication | 2018 |
| Goral Properties Ltd | Real estate | 2021 |
| Gordon Ayre Haulage Ltd | Transport & logistics | 2012 |
| Gordon Lamb Group Limited | Extraterritorial | 2016 |
| Gordon Lamb Holdings Limited | Extraterritorial | 1978 |
| Gordon Lamb Limited | Extraterritorial | 1966 |
| Gordon Lowes Electrical Ltd | Other services | 2015 |
| Gormal (North East) Limited | Real estate | 2021 |
| Gosforth MOT Limited | Wholesale & retail | 2024 |
| Gosforth Sushi Ltd | Hospitality | 2021 |
| Goshen Healthcare and Recruitment Ltd | Health & social care | 2023 |
| Gourmet Bird Food Ltd | Wholesale & retail | 2023 |
| Gowdacare Limited | Health & social care | 2016 |
| Gp's 4 Locum Ltd | Health & social care | 2022 |
| GPD West Midlands Limited | Construction | 2026 |
| GR Engineering NE Ltd | Professional & scientific | 2013 |
| Gr&Lp GR0W Consultancy Ltd | Professional & scientific | 2025 |
| Grace & Goodwill Living Ltd | Real estate | 2025 |
| Grace & Goodwill Ltd | Health & social care | 2024 |
| Gracedbeauty Ltd | Other services | 2025 |
| Graeme ASH (Shopfitters) Limited | Manufacturing | 1971 |
| Graeme Fuller Design Ltd | Professional & scientific | 2008 |
| Grafx Limited | Wholesale & retail | 2024 |
| Graham Carpenty & Joinery Ltd | Construction | 2025 |
| Graham Smith Antiques Limited | Wholesale & retail | 2002 |
| Grainger Cable Installations Limited | Manufacturing | 2015 |
| Grainger Property Group Limited | Real estate | 2015 |
| Grand Property Developments Ltd | Real estate | 2021 |
| Grant Holdings NE Ltd | Real estate | 2021 |
| Grant Interiors Ltd | Construction | 2020 |
| Grantham Motor Company Limited | Wholesale & retail | 2003 |
| Granzi Home Limited | Wholesale & retail | 2025 |
| Graphic Services Signs & Exhibitions Ltd | Professional & scientific | 2011 |
| Grasmere Solutions Ltd | Education | 2025 |
| Gray Matter Consultation Community Interest Company | Real estate | 2025 |
| Great Hornbill (NE) Ltd | Professional & scientific | 2020 |
| Great North Auto Centre Ltd | Wholesale & retail | 2020 |
| Great North Trends Ltd | Wholesale & retail | 2025 |
| Great Park Eatery Limited | Hospitality | 2020 |
| Great Run Local Limited | Arts & recreation | 2012 |
| Greater Manchester Medics Ltd | Health & social care | 2007 |
| Greatest Entertainment Limited | Arts & recreation | 2023 |
| Greek Grill 01 Ltd | Hospitality | 2025 |
| Greek Philoxenia Limited | Hospitality | 2020 |
| Green Deal First Limited | Professional & scientific | 2013 |
| Green Glove Services Ltd | Administrative & support | 2025 |
| Green Heart Collective Ltd | Wholesale & retail | 2019 |
| Green Heart NE CIC | Wholesale & retail | 2024 |
| Green Leaf Engineering Ltd | Professional & scientific | 2022 |
| Green Ride Cars Limited | Transport & logistics | 2010 |
| Green Silkroad Ltd | Wholesale & retail | 2026 |
| Greenbale Ltd | Real estate | 2009 |
| Greenbit Ltd | Extraterritorial | 2023 |
| Greenmanor Ltd | Real estate | 1999 |
| Greenside National Limited | Construction | 2019 |