| Golden Finger Massage Ltd | Health & social care | 2025 |
| Golden Peach Gosport Ltd | Hospitality | 2022 |
| Golden Peach Ltd | Hospitality | 2017 |
| Golden Star Takeaway Limited | Hospitality | 2023 |
| Goldfinch IT Services Limited | Information & communication | 2018 |
| Goldreck Express Ltd | Construction | 2015 |
| Goldreck Reno Ltd | Real estate | 2023 |
| Goldstone Engineering Limited | Wholesale & retail | 2025 |
| Golf, Leisure & Hospitality Support Ltd | Professional & scientific | 2020 |
| Good Food to Go Ltd | Information & communication | 2015 |
| Goodens Masonry Limited | Construction | 2002 |
| Goodwood Marketing Ltd | Other services | 2011 |
| Gorilla Fire and Security Ltd | Other services | 2021 |
| Gosport 1966 Limited | Extraterritorial | 2014 |
| Gosport Activity Centre Ltd | Education | 2021 |
| Gosport Automotive Accident Repair Centre Ltd | Wholesale & retail | 2018 |
| Gosport Best Grill Limited | Hospitality | 2019 |
| Gosport Boat Yard Limited | Manufacturing | 1980 |
| Gosport Borough Football Club Limited | Arts & recreation | 2015 |
| Gosport Building Contractors Ltd | Construction | 2026 |
| Gosport Cafe Limited | Hospitality | 2018 |
| Gosport CC Limited | Extraterritorial | 2011 |
| Gosport Comic-Con Ltd | Hospitality | 2024 |
| Gosport Community Association | Other services | 2001 |
| Gosport Convenience Ltd | Wholesale & retail | 2025 |
| Gosport Convenient Store Ltd | Wholesale & retail | 2025 |
| Gosport Design Services Ltd | Professional & scientific | 2019 |
| Gosport Digital Skills Hub CIC | Information & communication | 2026 |
| Gosport Electrical Ltd | Construction | 2008 |
| Gosport Flames Limited | Construction | 2008 |
| Gosport GAS and Plumbing Ltd | Construction | 2025 |
| Gosport Globe Community Publications C.I.C. | Information & communication | 2014 |
| Gosport Golden Scissors Ltd | Other services | 2024 |
| Gosport Hand Carwash Ltd | Administrative & support | 2025 |
| Gosport High Street Limited | Real estate | 2019 |
| Gosport Homes Limited | Real estate | 2022 |
| Gosport Installations Ltd | Information & communication | 2008 |
| Gosport IT Data Services Limited | Information & communication | 2014 |
| Gosport Kebab Limited | Other services | 2017 |
| Gosport Letting Group Ltd | Real estate | 2026 |
| Gosport Martial Arts Limited | Arts & recreation | 2014 |
| Gosport Masonic Hall Limited | Other services | 1929 |
| Gosport Mini Shop Ltd | Wholesale & retail | 2026 |
| Gosport MOT Centre Limited | Wholesale & retail | 2013 |
| Gosport Museum of the Sea CIC | Arts & recreation | 2022 |
| Gosport Pro-Active Sports Training Limited | Education | 2012 |
| Gosport Property Group Ltd | Real estate | 2017 |
| Gosport Property Management Ltd | Real estate | 2011 |
| Gosport Snack Shop Ltd | Wholesale & retail | 2025 |
| Gosport Spice Limited | Hospitality | 2023 |
| Gosport Staceys Limited | Hospitality | 2020 |
| Gosport Star Nail Ltd | Other services | 2025 |
| Gosport Surveying Associates Limited | Professional & scientific | 2020 |
| Gosport Taxi Leasing Ltd | Administrative & support | 2025 |
| Gosport Tyre Services Limited | Wholesale & retail | 2025 |
| Gosport Waterfront Festival CIC | Professional & scientific | 2022 |
| Gosport Wholesale Ltd | Wholesale & retail | 2022 |
| Gossington & Elliott Limited | Professional & scientific | 2011 |
| Gotobeonline Ltd | Professional & scientific | 2016 |
| Gourmet Tales Limited | Hospitality | 2025 |
| Grace and Elegance Couture Ltd | Extraterritorial | 2013 |
| Grah Foodhub Ltd | Hospitality | 2025 |
| Granary Mews Ltd | Hospitality | 2020 |
| Grand Prix Concert Agency Limited | Arts & recreation | 2019 |
| Grassroots Maintenance Limited | Administrative & support | 2016 |
| Gravity Building Solutions Limited | Construction | 2010 |
| Great Honest Service Limited | Real estate | 2020 |
| Great Wall 78 Limited | Hospitality | 2024 |
| Green Caravan Services Ltd | Manufacturing | 2020 |
| Green Clean (UK) Ltd | Administrative & support | 2013 |
| Green Goblin Flooring Limited | Construction | 2013 |
| Green Heating Services Ltd | Construction | 2015 |
| Green Line DB Ltd | Transport & logistics | 2025 |
| Green Machine (2024) Ltd | Construction | 2024 |
| Greenscape Grounds Maintenance (UK) Limited | Administrative & support | 2002 |
| GRO Studios Limited | Professional & scientific | 2007 |
| Grosvenor Mews Gosport RTM Company Limited | Households | 2024 |
| Group D Ventures Limited | Financial services | 2024 |
| Groves&Co Ltd | Construction | 2025 |
| Grow With JO Tuition Limited | Administrative & support | 2023 |
| GRS Roadtrans Ltd | Transport & logistics | 2019 |
| GS Composites Ltd | Manufacturing | 2013 |
| GS Holdings Limited | Construction | 2012 |
| GS Windows Limited | Construction | 2005 |
| GS Windows Supermarket Limited | Extraterritorial | 2011 |
| Gtal Ltd | Wholesale & retail | 2025 |
| GTG Technical Services Group Ltd | Wholesale & retail | 2024 |
| GTS Construct Solutions Ltd | Construction | 2025 |
| GU54ENG Ltd | Construction | 2025 |
| Guaranteed Holdings Limited | Real estate | 2017 |
| Guildford Trade Centre Limited | Wholesale & retail | 2011 |
| Gule Hoggon Ltd | Real estate | 2026 |
| Gunboat Sheds Limited | Real estate | 2017 |
| Gutterclear Southern Ltd | Administrative & support | 2025 |
| Gutters and More Ltd | Administrative & support | 2021 |
| H J Construction (South Coast) Limited | Real estate | 2018 |
| H J Construction Ltd | Construction | 1999 |
| H.R.H. Sales Limited | Administrative & support | 2009 |
| Haines Furnishings Ltd | Wholesale & retail | 2017 |
| Hair & Beauty@The Cabin Limited | Other services | 2019 |