| Granum Global Ltd | Wholesale & retail | 2026 |
| Granwood Developments Limited | Construction | 2019 |
| Granwood Rentals Ltd | Real estate | 2020 |
| Grappe Limited | Wholesale & retail | 2024 |
| Graving Dock Limited | Professional & scientific | 2014 |
| Gray's Coating Consultancy Ltd | Manufacturing | 2018 |
| Grays Newsagency Limited | Wholesale & retail | 2005 |
| Grays Properties (NE) Ltd | Real estate | 2025 |
| Grazor Recruitment & Design Solutions Ltd | Professional & scientific | 2025 |
| GRC Engineering Services Ltd | Professional & scientific | 2024 |
| Great Ayton Cuts Ltd | Other services | 2025 |
| Great Ayton Holiday Cottages Limited | Hospitality | 2015 |
| Great Ayton Safety Services Ltd | Information & communication | 2017 |
| Great Intelligence Limited | Administrative & support | 2020 |
| Great JJB Engineering Limited | Manufacturing | 2021 |
| Great JJB Environmental Limited | Manufacturing | 2020 |
| Great JJB Holding Company Limited | Water & waste | 2020 |
| Great Purpose Community Interest Company | Hospitality | 2021 |
| Great Stuff Hydro Ltd | Wholesale & retail | 2019 |
| Greater Expectations Ltd | Education | 2007 |
| Greatest Expectations Limited | Administrative & support | 2009 |
| Greatest Expectations Training Ltd | Education | 2020 |
| Greedy Gannet Ltd | Hospitality | 2023 |
| Greedy Guts Ltd | Manufacturing | 2022 |
| Greedy Ted's A19 Ltd | Hospitality | 2026 |
| Greedy Ted's Ltd | Hospitality | 2022 |
| Greedy Teds Events Ltd | Hospitality | 2025 |
| Green Company NE Limited | Professional & scientific | 2020 |
| Green Energy Power Group Holdings Ltd | Financial services | 2023 |
| Green Lane Properties (NE) Ltd | Construction | 2021 |
| Green Merch Limited | Professional & scientific | 2023 |
| Green Orchid Healthcare Services Limited | Health & social care | 2026 |
| Green Rope Solutions Ltd | Administrative & support | 2023 |
| Green Scope Limited | Professional & scientific | 2021 |
| Green Taurus Ltd | Professional & scientific | 2025 |
| Green Vehicle Parts Solutions Limited | Water & waste | 2023 |
| Green Way Take Away Ltd | Hospitality | 2026 |
| Green Worth Limited | Wholesale & retail | 2020 |
| Greenbank Compactors LLP | | 2012 |
| Greenbank Recycling Solutions Ltd | Manufacturing | 2019 |
| Greencroft Milk Supplies Limited | Wholesale & retail | 1994 |
| Greenday Services Limited | Transport & logistics | 2024 |
| Greener Pipefitting Services Limited | Construction | 2013 |
| Greenfield Solutions Limited | Administrative & support | 2019 |
| Greenhow Developments Limited | Construction | 1997 |
| Greenhow Properties Ltd | Real estate | 2022 |
| Greenhow Properties NE Ltd | Real estate | 2024 |
| Greenlight Digital Ltd | Professional & scientific | 2024 |
| Greenlight Digital Studios Ltd | Information & communication | 2026 |
| Greenlord Studios Limited | Information & communication | 2016 |
| Gregridda Ltd | Real estate | 2015 |
| Gresham Food Store Ltd | Wholesale & retail | 2025 |
| Gresham Rentals Ltd | Real estate | 2020 |
| Gresley E&I Limited | Construction | 2025 |
| Greta Street Autos Ltd | Wholesale & retail | 2025 |
| Grey Mare Hill Cottage Farming Ltd | Agriculture & fishing | 2005 |
| Grey Matter Construction Consultants Ltd | Construction | 2022 |
| Grey Towers Hall Limited | Households | 2011 |
| Grey Towers Stables Limited | Households | 2011 |
| Greystone Capital Assets Ltd | Real estate | 2025 |
| Gridcore TX Ltd | Professional & scientific | 2026 |
| Griffin Recycling Limited | Wholesale & retail | 2024 |
| Grifsafe Ltd | Professional & scientific | 2025 |
| Grill'D Longlands Ltd | Hospitality | 2026 |
| Grillicious Peri Chicken Ltd | Hospitality | 2025 |
| Grillisthan Ltd | Hospitality | 2024 |
| Grimoire Spa Ltd | Other services | 2025 |
| Griot Holdings Limited | Professional & scientific | 2022 |
| Griot Ltd | Professional & scientific | 2015 |
| Grocery Martt Ltd | Wholesale & retail | 2025 |
| Groomer HAS IT Limited | Other services | 2024 |
| Grosvenor Hamilton Ltd | Real estate | 2018 |
| Grounded Aspirations Ltd | Financial services | 2026 |
| Groundwork SAM Ltd | Construction | 2023 |
| Group Industrial Maintenance Ltd | Construction | 2026 |
| Group Industrial Site Services Ltd | Administrative & support | 2019 |
| Grove Hill Civil Engineering Ltd | Real estate | 2025 |
| Grove Property Management Limited | Households | 2002 |
| Grove Road Isleworth Ltd | Construction | 2025 |
| Grove Services N.E. Limited | Real estate | 2024 |
| Groveport 2012 Limited | Professional & scientific | 2011 |
| Groveport Logistics Limited | Transport & logistics | 2005 |
| Grow Together Training Ltd | Education | 2025 |
| Grpc Limited | Professional & scientific | 2019 |
| GRS Insulation Limited | Construction | 2019 |
| GRS Renewables NE Ltd | Construction | 2025 |
| GRT Access Ltd | Professional & scientific | 2025 |
| Grumbars Ltd | Professional & scientific | 2025 |
| GS HSE Consultants Ltd | Professional & scientific | 2026 |
| GS Naidu Private Limited | Hospitality | 2025 |
| GS Rental NE Ltd | Administrative & support | 2025 |
| GS5 Ltd | Administrative & support | 2026 |
| GSC Estimating Services Ltd | Administrative & support | 2024 |
| Gscl Services Ltd | Professional & scientific | 2011 |
| GSH Estates Ltd | Real estate | 2022 |
| GSP MED Ltd | Health & social care | 2024 |
| GT Inns(Cleveland) Limited | Hospitality | 2018 |
| GT Motors (N.E) Ltd | Wholesale & retail | 2025 |
| GT Services (NE) Limited | Construction | 2017 |
| Guans Property Limited | Real estate | 2025 |