| G B Dosing Limited | Manufacturing | 2016 |
| G Force Leisure Ltd | Arts & recreation | 2009 |
| G G & R Partnership LLP | | 2017 |
| G.Dales Limited | Real estate | 1932 |
| G2B Roofing Solutions Ltd | Construction | 2026 |
| Gadsden Gardens Ltd | Administrative & support | 2023 |
| Galamus Limited | Manufacturing | 2015 |
| Galliano's Latin Notes Limited | Professional & scientific | 2019 |
| Gander Tax Services Ltd | Professional & scientific | 2012 |
| Garden Essentials Ltd | Wholesale & retail | 2022 |
| Gardenworx Ltd | Professional & scientific | 2023 |
| Garrett Management Limited | Energy | 2004 |
| Gary Prince Publications Limited | Information & communication | 2013 |
| Gbroofingsolutions Ltd | Construction | 2025 |
| GDM Consultants Limited | Information & communication | 2011 |
| Gearey Group Limited | Real estate | 2026 |
| Gecko Systems Limited | Construction | 2025 |
| Gekko Direct Ltd | Wholesale & retail | 2013 |
| Gemmed Ltd | Wholesale & retail | 2022 |
| GEN3 Construction Ltd | Construction | 2025 |
| Genesis Town Planning Limited | Professional & scientific | 2009 |
| George Rain Jewellers Ltd | Manufacturing | 2010 |
| Georges Simenon Limited | Other services | 2000 |
| Geotech Systems Limited | Information & communication | 1995 |
| GER Clarke Consulting Ltd | Information & communication | 2023 |
| Gg&R Family Holdings Ltd | Real estate | 2017 |
| Ginger's Catering Ltd | Hospitality | 2021 |
| Giraffeapps Limited | Information & communication | 2019 |
| Glen Rowden Ltd | Professional & scientific | 2013 |
| Global Computer Express Limited | Transport & logistics | 1990 |
| Global-Investor.Com Ltd | Financial services | 2000 |
| Gmdrivingservices Limited | Transport & logistics | 2024 |
| GNO Films Limited | Information & communication | 2013 |
| GNO Productions Limited | Information & communication | 2013 |
| Godalming Property Company Limited | Real estate | 1934 |
| Golden Scissors U-K Limited | Other services | 2019 |
| Golf Wags Ltd | Wholesale & retail | 2025 |
| Good Intent Petersfield Limited | Hospitality | 2026 |
| Gordon Barber Limited | Construction | 2007 |
| Gray’S Catering Ltd | Manufacturing | 2025 |
| Great Homes UK Property Ltd | Financial services | 2023 |
| Greek Island Retreats Ltd | Administrative & support | 2015 |
| Green Globe Solar Limited | Construction | 1996 |
| Green Stile Homes Ltd | Real estate | 2022 |
| Green Team Interiors Limited | Other services | 2000 |
| Greenfinch Developments Limited | Extraterritorial | 2023 |
| Greenforde Properties (Froxfield) Limited | Real estate | 1970 |
| Gridex Ltd | Professional & scientific | 2025 |
| Griffin Window Cleaning Limited | Administrative & support | 2004 |
| Grigg Assets Management Ltd | Real estate | 2026 |
| Grimshaw Limited | Manufacturing | 2005 |
| Ground Support and Terminal Solutions (Gsts) Ltd | Administrative & support | 2012 |
| Groundlink Property Management Limited | Real estate | 1988 |
| Grove Global Holdings Limited | Construction | 2021 |
| Gryphin Business Support Limited | Administrative & support | 2000 |
| GT Yachts Ltd | Manufacturing | 2018 |
| GTA Advisory Limited | Professional & scientific | 2024 |
| Guttersnipe Limited | Administrative & support | 2006 |
| GVL Hants Ltd | Wholesale & retail | 2021 |
| Hales Web Designs Limited | Information & communication | 2014 |
| Halsa Cosmetics Ltd. | Wholesale & retail | 2015 |
| Hamesford Ltd | Wholesale & retail | 2022 |
| Hamilton International Services Limited | Wholesale & retail | 1998 |
| Hampshire Accountancy and Taxation Services Limited | Professional & scientific | 2015 |
| Hampshire Barn Interiors Limited | Wholesale & retail | 2005 |
| Hampshire Dermal Aesthetics Ltd | Other services | 2020 |
| Hampshire Design and Build Ltd. | Administrative & support | 2016 |
| Hampshire Design Consultancy Ltd. | Professional & scientific | 2015 |
| Hampshire Engineering Design Limited | Professional & scientific | 2020 |
| Hampshire Heating Limited | Construction | 2023 |
| Hampshire Media Group Limited | Information & communication | 2020 |
| Hampshires Group Ltd | Wholesale & retail | 2025 |
| Hanbury Trading Limited | Financial services | 1999 |
| Hants & Surrey Roofing Specialists Limited | Wholesale & retail | 2002 |
| Hantscapes Limited | Administrative & support | 2016 |
| Harcombe Manor Farms LLP | | 2011 |
| Harmony Pools Ltd | Professional & scientific | 2008 |
| Harrier 2 Life Limited | Manufacturing | 2025 |
| Harriman House Ltd. | Wholesale & retail | 1988 |
| Hart Landscaping and Tree Services Limited | Administrative & support | 2022 |
| Harting Minibus Community Interest Company | Transport & logistics | 2016 |
| Haus Petersfield Ltd | Other services | 2022 |
| Haute Caussine Ltd | Wholesale & retail | 2018 |
| Hawksfold Media Ltd | Administrative & support | 2013 |
| Haxhall Enterprise Ltd | Wholesale & retail | 2012 |
| Haynes & Sons Removals Ltd | Transport & logistics | 2016 |
| Hayward & Partners Training Limited | Administrative & support | 2015 |
| HC2 Capital Limited | Financial services | 2024 |
| HDL Construction Limited | Construction | 2011 |
| Heathfield Park (Midhurst) Limited | Households | 1967 |
| Henly Plumbing and Heating Ltd | Real estate | 2022 |
| Hermione Eleanor Richardson Limited | Extraterritorial | 2023 |
| Herne Farm Limited | Households | 1973 |
| Heroncrest Limited | Real estate | 1999 |
| Heyworth Marketing Limited | Other services | 2024 |
| Hf&B Ltd | Information & communication | 2023 |
| Hi-Level Design Limited | Manufacturing | 1999 |
| Hi-Level Holdings Limited | Financial services | 2001 |
| Hi-Tech Heating Limited | Extraterritorial | 2010 |
| Hiatus Limited | Professional & scientific | 1997 |