| Georgia Portogallo Ltd | Other services | 2020 |
| Georven Limited | Transport & logistics | 2016 |
| Gess Medical Services Limited | Health & social care | 2021 |
| Getkonnected Ltd | Professional & scientific | 2015 |
| Getthink Ltd | Financial services | 2026 |
| Ggcm Brands Ltd | Wholesale & retail | 2026 |
| Gha-Brightpath Limited | Education | 2024 |
| Gha-Estate & Property Services Limited | Real estate | 2025 |
| Ghada Consultant Ltd | Health & social care | 2017 |
| Gibala & SON Limited | Wholesale & retail | 2003 |
| Gigi Scunthorpe Limited | Hospitality | 2019 |
| Giles Neafcy Ltd | Professional & scientific | 2023 |
| Gilleard Brothers Limited | Construction | 2008 |
| Gillie's Grill Ltd | Hospitality | 2026 |
| Gills Vintage Tearoom Limited | Hospitality | 2018 |
| Gina Clarke Media Ltd | Professional & scientific | 2024 |
| Ginmur Ltd | Hospitality | 2024 |
| GJC Town Centre Apartments Limited | Real estate | 2010 |
| GKB Sales Ltd | Wholesale & retail | 2020 |
| GKM Sales Ltd | Wholesale & retail | 2024 |
| Glanford Electronics Limited | Manufacturing | 1993 |
| Glas Technik Limited | Manufacturing | 2003 |
| Glass Slipper Recruitment Ltd | Administrative & support | 2025 |
| Glenaire Services Limited | Real estate | 1975 |
| Glenny's Bar Limited | Hospitality | 2013 |
| GLG Trading Ltd | Wholesale & retail | 2026 |
| GLM Haul Ltd | Transport & logistics | 2018 |
| Global Scrap Metals Ltd | Water & waste | 2025 |
| Globe and Anchor Ltd | Financial services | 2025 |
| Glossy Tips Ltd | Wholesale & retail | 2024 |
| Glover Trading Ltd | Wholesale & retail | 2019 |
| Glover Transport Limited | Transport & logistics | 2009 |
| GM Bars Group Limited | Hospitality | 2025 |
| GM Code Ltd | Information & communication | 2023 |
| GME Power Washing Ltd | Construction | 2019 |
| GMW Telecoms Ltd | Information & communication | 2019 |
| GNP Medical Limited | Health & social care | 2019 |
| Go Snack Limited | Wholesale & retail | 2025 |
| GO2 Services Ltd | Transport & logistics | 2017 |
| Godbold Engineering Services Limited | Administrative & support | 2007 |
| Godley Engineering (Lincolnshire) Limited | Manufacturing | 2022 |
| Godman Angling Limited | Agriculture & fishing | 2012 |
| Gold ASK Ltd | Wholesale & retail | 2025 |
| Gold Raven Limited | Real estate | 2025 |
| Golden Kitchen 888 Ltd | Hospitality | 2022 |
| Golden Medallion Properties Ltd | Real estate | 2026 |
| Golden Shoulder Ltd | Health & social care | 2019 |
| Goldengate Accountants Ltd. | Professional & scientific | 2018 |
| Golf Gloves Direct Ltd | Wholesale & retail | 2018 |
| Gomez Surgery Limited | Health & social care | 2015 |
| Gondal Property Investment Ltd | Real estate | 2025 |
| Good Path Therapy Ltd | Health & social care | 2024 |
| Goodwin Healthcare Services Ltd | Administrative & support | 2013 |
| Goodwood Site Services Ltd | Professional & scientific | 2024 |
| Gopacked Ltd | Manufacturing | 2026 |
| Goraya Consultancy Ltd | Health & social care | 2024 |
| Gorilla Cladding Limited | Construction | 2014 |
| Gorilla Park Associates Ltd | Professional & scientific | 2007 |
| Gorilla Park Investments Ltd | Information & communication | 2012 |
| Gosals Local Ltd | Wholesale & retail | 2024 |
| Gotm Management Services Ltd | Professional & scientific | 2020 |
| Gough & Gamble Kitchens Ltd | Wholesale & retail | 2023 |
| Governance Connected Holdings Limited | Financial services | 2026 |
| Governance Connected Ltd | Education | 2018 |
| GP Training Centres Limited | Education | 2023 |
| GP Turbos Ltd | Wholesale & retail | 2013 |
| GPS Mobile Crushing Services Limited | Construction | 2007 |
| GR8 CUT Ltd | Other services | 2025 |
| Grabauskas Transport Ltd | Transport & logistics | 2014 |
| Graeme Duck (Farm Partnership) Limited | Agriculture & fishing | 2016 |
| Grain Processing Corporation UK Limited | Wholesale & retail | 2018 |
| Grand IPR Ltd | Professional & scientific | 2025 |
| Grand Royale Holdings Limited | Financial services | 2021 |
| Grange Urology Limited | Health & social care | 2022 |
| Grant House Holdings Ltd | Real estate | 2026 |
| Grant Plastering Limited | Construction | 2012 |
| Graphitene Ltd. | Manufacturing | 2014 |
| Grasscare Services Limited | Other services | 2003 |
| Graswood Limited | Transport & logistics | 2015 |
| Grays Butchers Limited | Manufacturing | 2017 |
| GRC Truck Sales Ltd | Wholesale & retail | 2018 |
| Great Autographs Limited | Wholesale & retail | 2018 |
| Great China Ltd | Hospitality | 2026 |
| Great Life Homes Limited | Construction | 2018 |
| Great Oak Stump Removal Ltd | Administrative & support | 2023 |
| Great Oak Tree Services Ltd | Construction | 2012 |
| Green Soul Property Ltd | Real estate | 2021 |
| Greenfield Works Ltd | Agriculture & fishing | 2019 |
| Greentrees Financial Services Limited | Professional & scientific | 2019 |
| Greg Property Rental Ltd | Real estate | 2025 |
| Gregh LLP | | 2013 |
| Gregorys Linings Ltd | Manufacturing | 2017 |
| Grey Matters Centre Limited | Health & social care | 2017 |
| Gridge Consulting Ltd | Information & communication | 2017 |
| Gridge Logistics Ltd | Transport & logistics | 2021 |
| Griffin Emoprium Limited | Wholesale & retail | 2024 |
| Grigore DAN. Ltd | Transport & logistics | 2024 |
| Grinman Transport Limited | Transport & logistics | 2018 |
| GRM Recovery & Repairs Ltd. | Transport & logistics | 2020 |
| Groby Property Limited | Real estate | 2015 |