| Gittoes Strategic Advisory Limited | Manufacturing | 2025 |
| GJC Property Maintenance Limited | Professional & scientific | 2017 |
| GJW Consulting Services Limited | Information & communication | 2018 |
| GKD Solutions Ltd | Extraterritorial | 2015 |
| GKD Technik Ltd | Manufacturing | 1996 |
| Glade Freehold Ltd | Households | 2012 |
| Glade Management Company (Bournemouth) Limited | Households | 2007 |
| Gladstone Group Ltd. | Construction | 2016 |
| Gladstone Independent Limited | Information & communication | 2019 |
| Glandel Limited | Manufacturing | 1968 |
| Glassbox Creative Limited | Administrative & support | 2013 |
| Glazze Ltd | Information & communication | 2026 |
| GLB Analytics Limited | Information & communication | 2024 |
| Gledhow IT Services Ltd | Information & communication | 2026 |
| Glen Righ Hydro Limited | Energy | 2014 |
| Glenair Road Management Limited | Households | 2009 |
| Glendale Digital Projects Ltd | Information & communication | 2023 |
| Glenfar Limited | Agriculture & fishing | 1997 |
| Glenmoor House Management Company Limited | Households | 2004 |
| Glidepath Consulting Limited | Information & communication | 2023 |
| GLO FLO Heating and Plumbing Ltd | Construction | 2019 |
| Global Insurtech Consultancy Services Limited | Professional & scientific | 2020 |
| Global Integrity Ltd. | Administrative & support | 2008 |
| Global Policy Ltd | Professional & scientific | 2024 |
| Globellied Ltd | Information & communication | 2025 |
| Glowup Technologies Limited | Information & communication | 2025 |
| Glrd Limited | Information & communication | 2020 |
| Glynbury RTM Company Limited | Households | 2025 |
| GM Engineering Ltd | Professional & scientific | 2025 |
| GM Marine Civils Ltd | Professional & scientific | 2017 |
| Gmart Consulting Limited | Information & communication | 2023 |
| GMD Builders Ltd | Construction | 2026 |
| GMN Consulting Ltd | Administrative & support | 2024 |
| Go Free Foods Limited | Manufacturing | 2010 |
| Godblessco Limited | Information & communication | 2015 |
| Godsell Creative Partnership Limited | Professional & scientific | 2018 |
| Goebel UK Limited | Manufacturing | 2023 |
| Goikid UK Limited | Professional & scientific | 2025 |
| Going for Bust | Wholesale & retail | 2013 |
| Going for Bust Trading Limited | Wholesale & retail | 2013 |
| Gokul Consultancy Services Limited | Information & communication | 2015 |
| Gold Oak Country Cabins Limited | Hospitality | 2010 |
| Goldchip Computers Limited | Wholesale & retail | 1995 |
| Golden Locs Ltd | Other services | 2016 |
| Goldeneye Solutions Limited | Professional & scientific | 2024 |
| Goldspice Group Ltd | Extraterritorial | 2017 |
| Golf Links Road Management Company Limited | Households | 2005 |
| Golf Tango Mike Limited | Administrative & support | 2021 |
| Golfpoint Tech Ltd | Information & communication | 2025 |
| Goma Medical Limited | Manufacturing | 2008 |
| Good Project Management Ltd | Professional & scientific | 2023 |
| Goodenough Removals Ltd | Transport & logistics | 2024 |
| Goodword Associates Limited | Construction | 2024 |
| Goose and Cuckoo Llanover Ltd | Hospitality | 2015 |
| Gore Developments Limited | Real estate | 2015 |
| Gorilla Roofing Ltd | Construction | 2024 |
| Gorselands Court (Ferndown) Maintenance Company Limited | Households | 1979 |
| Gould Groundworks Limited | Construction | 2014 |
| Govforms Limited | Information & communication | 2018 |
| Gower and Port Ltd | Professional & scientific | 2024 |
| GP Motor Services Limited | Wholesale & retail | 2003 |
| GPD Consultancy Limited | Information & communication | 2007 |
| Gpholmes Limited | Professional & scientific | 2026 |
| Graceco Trading Ltd | Manufacturing | 2019 |
| Grafton Growth Limited | Professional & scientific | 2023 |
| Grahtone Developments Limited | Construction | 1997 |
| Grainger Software Limited | Information & communication | 2023 |
| Grand Tech Limited | Transport & logistics | 2017 |
| Grandscope Projects Limited | Professional & scientific | 2025 |
| Grange Court Limited | Households | 1946 |
| Grangewood Hall Management Company Limited | Households | 1998 |
| Grant Brown Limited | Administrative & support | 2024 |
| Gray Cat Ltd | Administrative & support | 2023 |
| Gray Creative Agency Ltd | Professional & scientific | 2016 |
| Gray Social Limited | Professional & scientific | 2025 |
| Grayscale Transformation Ltd | Professional & scientific | 2026 |
| Grayshott Holdings Ltd | Financial services | 2026 |
| Grayson Court (Ferndown) Maintenance Company Limited | Households | 1973 |
| Grazehurst Limited | Construction | 1978 |
| Great Value Flooring Limited | Construction | 2015 |
| Green Bottom Residents Association Ltd | Households | 2021 |
| Green Frog Metal Detecting Limited | Wholesale & retail | 2024 |
| Green HAT Building Technologies Limited | Professional & scientific | 2021 |
| Green HAT Cybernetics Limited | Professional & scientific | 2024 |
| Green HAT Data Management Limited | Information & communication | 2024 |
| Green HAT Project Management Limited | Information & communication | 2021 |
| Green HAT Solutions Limited | Construction | 2007 |
| Green HAT Ventures Limited | Professional & scientific | 2013 |
| Green Oak Carpentry and Shopfitting Limited | Manufacturing | 2011 |
| Green Platform Solutions Limited | Information & communication | 2026 |
| Green Property Services (SW) Ltd | Construction | 2024 |
| Green Roof Company Limited | Construction | 2003 |
| Green Roof Holdings Ltd | Financial services | 2019 |
| Greenhill Wood Limited | Other services | 2000 |
| Greenlane Home Builders Ltd | Construction | 2019 |
| Greenoaks Tree & Landscaping Ltd | Administrative & support | 2021 |
| Greentree Software Ltd | Information & communication | 2016 |
| Greg Larkin Associates Limited | Wholesale & retail | 2015 |
| Gregory Kelly Consulting Ltd | Information & communication | 1998 |
| Grid North Consulting Ltd | Information & communication | 2023 |