| Gary Oseland Plumbing Limited | Construction | 2002 |
| GAS Design & Management Limited | Professional & scientific | 2011 |
| GAS Design Systems Limited | Professional & scientific | 2020 |
| Gatecrasher Productions Community Interest Company | Arts & recreation | 2022 |
| Gateways Developments Ltd | Construction | 2016 |
| GCD Limited | Real estate | 2002 |
| Gecko Cleaning Ltd | Administrative & support | 2025 |
| GEM (Scarborough) Ltd | Real estate | 2013 |
| GEN Technical Ltd | Professional & scientific | 2016 |
| GEN2 Consultants Ltd | Professional & scientific | 2007 |
| General Electrical & Renewables Ltd | Construction | 2026 |
| Genie Labs Limited | Wholesale & retail | 2026 |
| Genie Logic Ltd | Information & communication | 2026 |
| Genus Hifi Furniture Ltd | Manufacturing | 2020 |
| Geocraft Flooring Ltd | Construction | 2025 |
| Geoed Limited | Education | 1997 |
| Geoff Holdings Limited | Professional & scientific | 2020 |
| George E Smith Limited | Manufacturing | 2018 |
| Geothermal Modelling Solutions Ltd | Professional & scientific | 2025 |
| Geotrak Tracket JV Ltd | Information & communication | 2023 |
| German Aktiv Property Fund L.P. | | 2007 |
| German Vehicle Solutions Limited | Wholesale & retail | 2022 |
| Germeen Lines Ltd | Construction | 2021 |
| GET That Gift Ltd | Information & communication | 2018 |
| GFP Home Care Ltd | Construction | 2010 |
| GH Cable Jointing Ltd | Energy | 2025 |
| Ghost DEV Ltd | Professional & scientific | 2025 |
| Gibsons Court Management Company Limited | Extraterritorial | 2002 |
| Gifts and Crafts Ltd | Wholesale & retail | 2022 |
| Ginger Enterprises Limited | Real estate | 2016 |
| Givendale Properties Limited | Financial services | 2019 |
| Gladstone Garage Ltd | Wholesale & retail | 2024 |
| Gladstone Lane Ltd | Real estate | 2021 |
| GLB Flight Products Ltd | Manufacturing | 2017 |
| Glen Court (Leeds) Limited | Households | 2000 |
| Global Creative Learning Ltd | Information & communication | 2022 |
| Global Games (International) Limited | Wholesale & retail | 2001 |
| Global Stock Systems Ltd | Information & communication | 2002 |
| Global Tourism Solutions (UK) Limited | Administrative & support | 1997 |
| GLS Properties Limited | Real estate | 2013 |
| Gluetogether Limited | Professional & scientific | 2004 |
| GM Stephenson Farm and Commercial LLP | | 2012 |
| GNO Tuition Limited | Administrative & support | 2025 |
| GO4IT UK (Community Learning) Ltd | Education | 2005 |
| Goathland Property Maintenance Limited | Construction | 2018 |
| Gold Coast (York) Limited | Wholesale & retail | 2024 |
| Golden Scissors VIP Ltd | Other services | 2019 |
| Golden Square Paddock Ltd | Hospitality | 2017 |
| Golden Yolks Ltd | Manufacturing | 2023 |
| Golf&F Ltd | Administrative & support | 2026 |
| Gouldbuys Limited | Wholesale & retail | 2015 |
| GP Space Limited | Administrative & support | 2021 |
| Grafters Creator Network Ltd | Wholesale & retail | 2025 |
| Graham Clayton Limited | Professional & scientific | 2002 |
| Grakob Limited | Manufacturing | 2013 |
| Grange Farm Minerals Limited | Mining & quarrying | 2012 |
| Grange IT Limited | Information & communication | 2004 |
| Grange Medical Ltd | Health & social care | 2023 |
| Grant and Middleton Rentals Ltd | Real estate | 2021 |
| Graton GT Ltd | Wholesale & retail | 2012 |
| Gratton Lansdowne Ltd | Administrative & support | 2021 |
| Grayson Fire Limited | Construction | 2007 |
| Greaves Financial Services Ltd | Financial services | 2010 |
| Green Farming Limited | Agriculture & fishing | 1952 |
| Green Gator Limited | Wholesale & retail | 2015 |
| Green Handler Track Limited | Information & communication | 2017 |
| Green Handlers U.K Ltd | Construction | 2016 |
| Green Horizon Homes Limited | Construction | 2025 |
| Green Martin Properties Ltd | Real estate | 2025 |
| Green Property Surveys LLP | | 2023 |
| Green Room at Nine Eighty Ltd | Hospitality | 2026 |
| Green-Living Homes (Yorkshire) Limited | Construction | 2025 |
| Green-Living Leisure Ltd | Construction | 2025 |
| Greenbridge Consult Ltd | Professional & scientific | 2021 |
| Greenshield Leisure Limited | Manufacturing | 2016 |
| Greensmith & Thackwray Holdings Ltd | Financial services | 2025 |
| Greenwood Hauliers Limited | Transport & logistics | 2014 |
| Greenwood Hire Ltd | Construction | 2016 |
| Grey Hart Lodge Ltd | Hospitality | 2022 |
| Greycat Quality Ltd | Administrative & support | 2016 |
| Greystones Management (Scarborough) Limited | Real estate | 2007 |
| Grind & Tonic Ltd | Hospitality | 2025 |
| Grind Coffee Shop Scarborough Ltd | Hospitality | 2022 |
| Grow Consult Ltd | Professional & scientific | 2021 |
| Grow Impact Ltd | Professional & scientific | 2021 |
| Grow International Ltd | Professional & scientific | 2021 |
| Grow Invest Ltd | Financial services | 2021 |
| Grow Think Ltd | Professional & scientific | 2021 |
| Growing Halves Ltd | Education | 2025 |
| Grygiel Property Ltd | Real estate | 2025 |
| GT Building Contractors Ltd | Construction | 2024 |
| GT Gdpr Ltd | Information & communication | 2019 |
| Guano by the Sea (Scarborough) UK Ltd | Hospitality | 2024 |
| Guano by the Sea Ltd | Hospitality | 2024 |
| GW Hire Limited | Administrative & support | 2015 |
| Gwilliam Recycling Limited | Water & waste | 2023 |
| H & M Recycling Ltd | Water & waste | 2020 |
| H & M Skip Hire Ltd | Water & waste | 2025 |
| H & M Waste Management Group Ltd | Financial services | 2025 |
| H a Simpson and SON Ltd | Agriculture & fishing | 1990 |