| Graceland Joinery Limited | Construction | 2020 |
| Gradon Estates Limited | Real estate | 2013 |
| Graduk (Global) Ltd | Other services | 2025 |
| Gradus Logistics Ltd | Transport & logistics | 2018 |
| Graham C R Hill IT Services Ltd | Information & communication | 2016 |
| Grahams Corian Specialists Limited | Construction | 2008 |
| Grand Design Fabrications Ltd | Manufacturing | 2025 |
| Grandad Wheels Limited | Information & communication | 2022 |
| Grange Manor Apartments Limited | Households | 2006 |
| Grange Park Management (Halifax) Limited | Real estate | 1985 |
| Grange Well Properties Limited | Real estate | 2021 |
| Granny Annie's Ltd | Health & social care | 2024 |
| Graphic Evolution (Harrogate) Limited | Professional & scientific | 2013 |
| Grassington Dental Care Limited | Health & social care | 2014 |
| Gratefulness Ltd | Health & social care | 2020 |
| Gravitaas Limited | Administrative & support | 2020 |
| Gravitas Care Limited | Health & social care | 2016 |
| Grayhound Installations Limited | Construction | 2004 |
| Grayland Fabrication & Welding Services Limited | Manufacturing | 2025 |
| Grays & Co Properties Ltd | Real estate | 2021 |
| Great Heights Academy Trust | Education | 2010 |
| GREAT2RENT Limited | Real estate | 2025 |
| Greatstones Capital Ltd | Real estate | 2024 |
| Green and Heritage Roofing Ltd | Construction | 2020 |
| Green Car Guide Ltd | Professional & scientific | 2006 |
| Green Construction & Demolition Ltd | Construction | 2019 |
| Green Developments UK Limited | Real estate | 2007 |
| Green Dome Security CIC | Administrative & support | 2023 |
| Green Dome T CIC | Education | 2023 |
| Green Energy 4 ALL Ltd | Construction | 2020 |
| Green Hill Landscapes Limited | Administrative & support | 2010 |
| Green Home Co. Ltd | Construction | 2026 |
| Green Mountain Associates Ltd | Wholesale & retail | 2025 |
| Green Operations Group Ltd | Transport & logistics | 2025 |
| Green Park Financial Limited | Financial services | 2022 |
| Green Sustainable Energy Limited | Energy | 2012 |
| Green Valley Agriculture Limited | Professional & scientific | 2020 |
| Green Valley Arborists Ltd | Agriculture & fishing | 2015 |
| Green Valley Biomass Limited | Professional & scientific | 2021 |
| Greenaway Properties Limited | Real estate | 2024 |
| Greenhome Calderdale CIC | Wholesale & retail | 2016 |
| Greenlands Yorkshire Limited | Extraterritorial | 2016 |
| Greenrock Business Solutions Limited | Professional & scientific | 2022 |
| Greenroyd Bowling Club Company Limited | Real estate | 1908 |
| Greenroyd Construction Limited | Construction | 2006 |
| Greenroyd Ltd | Construction | 2011 |
| Greens Joinery & Construction Limited | Manufacturing | 2023 |
| Greens Services & Recycling Ltd | Water & waste | 2026 |
| Greenstreets Homes Ltd | Professional & scientific | 2013 |
| Greentech Installers Ltd | Construction | 2025 |
| Greenway Consulting Services Ltd | Real estate | 2024 |
| Greetland Realty Limited | Real estate | 2008 |
| Greetland Wellness Hub CIC | Health & social care | 2024 |
| Gregoire & Sons Ltd | Construction | 2019 |
| Gregory Projects (Bingley Street) Limited | Construction | 2018 |
| Gregory Projects (Commercial) Limited | Construction | 2013 |
| Gregory Projects (Monk Fryston) Ltd | Construction | 2016 |
| Gregory Projects (Residential) Limited | Construction | 2014 |
| Gregory Property Investments (Darlington) Limited | Real estate | 2017 |
| Gregory Property Investments Limited | Real estate | 1986 |
| Gregory Robinson Developments Limited | Construction | 2015 |
| Grelydan Limited | Real estate | 2015 |
| Gresty-Taylor Limited | Other services | 2026 |
| Grey's Management Services Limited | Professional & scientific | 2020 |
| Greystone Architectural Ltd | Manufacturing | 2023 |
| Greywolf Family Investments Limited | Financial services | 2024 |
| Gridlink Utilities Ltd | Construction | 2025 |
| Gridway Logistics Ltd | Transport & logistics | 2026 |
| Griffin (Yorkshire) Limited | Transport & logistics | 2009 |
| Griffin Energy Limited | Energy | 2015 |
| Grimblethorpe Hall Farm Shop Limited | Other services | 2018 |
| Grok Properties Ltd | Real estate | 2021 |
| Grokabo Ltd | Wholesale & retail | 2025 |
| Groundwater Limited | Water & waste | 1991 |
| Grove Building Contracts Limited | Construction | 2012 |
| Grove Mill Paper Company Limited(The) | Extraterritorial | 1874 |
| Growing Minds Day Nursery Limited | Health & social care | 2019 |
| GSE Shops Limited | Arts & recreation | 2010 |
| GSF Rooflines Limited | Construction | 2013 |
| Gsgoldleon Ltd | Health & social care | 2015 |
| GT Consultants Limited | Information & communication | 2026 |
| GT Electrical Projects Ltd | Construction | 2020 |
| GT Tyre and Car Wash Ltd | Wholesale & retail | 2024 |
| GT1850 Ltd | Construction | 2018 |
| GT3 Holdings Limited | Financial services | 2021 |
| GT3 Properties Limited | Real estate | 2019 |
| Gtech (Retaining Wall Specialist) Ltd | Construction | 2021 |
| GTL Electrical Services Ltd | Construction | 2026 |
| GTM Therapy Ltd | Health & social care | 2025 |
| Guang Products Limited | Wholesale & retail | 2025 |
| Gudy Ltd | Wholesale & retail | 2020 |
| Guerilla Distribution Limited | Information & communication | 2016 |
| Guerilla Docs Limited | Information & communication | 2005 |
| Guerilla Factual Limited | Information & communication | 2018 |
| Guerilla Group Limited | Information & communication | 2001 |
| GUIDE88 Ltd | Professional & scientific | 2022 |
| Gujral Investments Ltd | Real estate | 2018 |
| GV Homes Ltd | Real estate | 2010 |
| GVA Development Limited | Information & communication | 2013 |
| GWC Consulting Limited | Professional & scientific | 2009 |