| Green Port ICT Solutions Limited | Information & communication | 2014 |
| Green Prosperity Ltd | Professional & scientific | 2013 |
| Green Renewable Ventures Ltd | Administrative & support | 2024 |
| Green Square Solutions Hull Limited | Construction | 2023 |
| Green Taxi Rentals Ltd | Administrative & support | 2025 |
| Green Tick Electrical and Renewables Limited | Construction | 2021 |
| Green Tractor Ltd | Wholesale & retail | 2022 |
| Green Transformations Ltd | Administrative & support | 2024 |
| Greencc Ltd | Administrative & support | 2023 |
| Greeneng Ltd | Manufacturing | 2019 |
| Greenfield Enterprises Limited | Information & communication | 2000 |
| Greenfiles Ltd | Professional & scientific | 2019 |
| Greenkreations House of Style Ltd | Manufacturing | 2024 |
| Greenmount Holdings Limited | Wholesale & retail | 2015 |
| Greenpin Property Solutions Ltd | Real estate | 2025 |
| Greenscape (Hull) Limited | Administrative & support | 2022 |
| Greensight Limited | Real estate | 2003 |
| Greensteam Store Ltd | Wholesale & retail | 2025 |
| Greentree Properties Ltd. | Real estate | 2014 |
| Greenwich Retail Ltd | Wholesale & retail | 2026 |
| Greenwood KOI & Aquatics Ltd | Wholesale & retail | 2024 |
| Greenwood Nail & Spa Ltd | Other services | 2025 |
| Greenwood Property Development Ltd | Construction | 2024 |
| Greenwood Technology Associates Ltd | Information & communication | 2011 |
| Greestone Mount (Lincoln) Management Limited | Households | 2004 |
| Greg West Properties Limited | Real estate | 2016 |
| Gregory SW Ltd | Transport & logistics | 2022 |
| Greko Street Food Limited | Hospitality | 2018 |
| Grey Wolf Digital Limited | Information & communication | 2022 |
| Greygull Yorkshire Limited | Construction | 2023 |
| Gricetec Limited | Construction | 2014 |
| Griffin Site Services Limited | Construction | 2016 |
| Griffin Toomes Consulting Engineers Limited | Construction | 2013 |
| Grigore Electronics Ltd | Wholesale & retail | 2024 |
| Grill & Chill (Hull) Limited | Hospitality | 2025 |
| Grill & Chill Limited | Hospitality | 2020 |
| Grill Food Safin Limited | Other services | 2019 |
| Grill House by Sibilya & Kemal Limited | Hospitality | 2026 |
| Grill House by Sibilya Limited | Wholesale & retail | 2025 |
| Grimston Management (Hull) Limited | Real estate | 2018 |
| Grimwood Capital Management Limited | Real estate | 2019 |
| Grimwood Group Limited | Real estate | 2021 |
| Grinter Aerospace Limited | Professional & scientific | 2007 |
| GRM Safety Solutions Ltd | Professional & scientific | 2025 |
| Grmyan Ltd | Hospitality | 2022 |
| GRO Residential Management Limited | Real estate | 2020 |
| Groove Arcade Events Limited | Arts & recreation | 2023 |
| Groove Arcade Records Limited | Arts & recreation | 2023 |
| Groschtech Limited | Professional & scientific | 2021 |
| Grosh Property Ltd | Real estate | 2022 |
| Grounded Communities CIC | Arts & recreation | 2026 |
| Group 1993 Limited | Financial services | 2021 |
| Group Trading Ltd | Manufacturing | 2016 |
| Groupe Jogaman Ltd | Real estate | 2018 |
| Grow More Food | Extraterritorial | 2008 |
| Growing People Globally Limited | Professional & scientific | 2016 |
| Growth Mechanics Limited | Professional & scientific | 2016 |
| GRP Interior Solutions Limited | Wholesale & retail | 2015 |
| GRP Solutions (Holdings) Limited | Professional & scientific | 2016 |
| GRR Group Limited | Financial services | 2024 |
| Grubbwood Ltd | Agriculture & fishing | 2026 |
| GS Divisions Limited | Wholesale & retail | 2020 |
| GS Fries Ltd | Hospitality | 2026 |
| GS Moto Ltd | Wholesale & retail | 2022 |
| GS Motor Group Ltd | Wholesale & retail | 2024 |
| GS Plastering & Renovation Services Ltd | Construction | 2026 |
| GS Property Luxe Ltd | Real estate | 2025 |
| Gsel Holdings Limited | Construction | 2023 |
| Gsel Ltd | Professional & scientific | 2021 |
| GSP Distribution Limited | Information & communication | 2011 |
| GST Cooper Ltd | Agriculture & fishing | 2024 |
| GT Foods Ltd | Wholesale & retail | 2024 |
| GT Maintenance Ltd | Construction | 2025 |
| GT Newstead Limited | Hospitality | 2022 |
| GT Services (East Yorks) Ltd | Households | 2019 |
| GT Sprayed Concrete Solutions Limited | Construction | 2016 |
| GTO Building Services Ltd | Construction | 2019 |
| GTS Hull Limited | Health & social care | 2022 |
| GTS Logistics UK Limited | Administrative & support | 2010 |
| Gtwds Ltd | Transport & logistics | 2014 |
| Gtwk Ltd | Construction | 2022 |
| Guardian Landscapes Ltd | Administrative & support | 2021 |
| Guardian Security Services of Hull Limited | Administrative & support | 1993 |
| Gudgin Ltd | Construction | 2017 |
| Guideregion Limited | Information & communication | 2001 |
| Guiding Light Limited | Extraterritorial | 2016 |
| Gulcan Ltd | Hospitality | 2026 |
| GUN Hill Limited | Other services | 2015 |
| Gunson Properties Limited | Real estate | 2018 |
| Gustonini Limited | Hospitality | 2025 |
| GUY Precision Welding Ltd | Construction | 2026 |
| Guynan Estates Limited | Real estate | 2025 |
| Gvest Limited | Real estate | 2017 |
| GVR Properties Ltd | Real estate | 2026 |
| GW Power-Safe Limited | Construction | 2014 |
| GW Refrigeration & Air Conditioning Ltd | Construction | 2019 |
| GWB Hull Limited | Hospitality | 2024 |
| GWD Development Ltd | Real estate | 2023 |
| GYA Driving Ltd | Transport & logistics | 2023 |
| Gymophobics (Hull) Limited | Arts & recreation | 2007 |