| Ground FLY Ltd | Transport & logistics | 2023 |
| Grounds Care Services Limited | Administrative & support | 2016 |
| Grove House Investments Limited | Construction | 1984 |
| Groveham Limited | Construction | 2024 |
| Groveos Holdings Ltd | Financial services | 2025 |
| Growth Insight Limited | Professional & scientific | 2015 |
| Grox Ltd | Wholesale & retail | 2022 |
| Grrees Ltd | Transport & logistics | 2024 |
| GSS Property PVT Ltd | Real estate | 2023 |
| GST Europe Limited | Information & communication | 2023 |
| GT Investment Group Limited | Financial services | 2026 |
| GTL Transport Group Ltd | Transport & logistics | 2025 |
| Guidesmiths Holdings Limited | Administrative & support | 2017 |
| Guidesmiths International Limited | Financial services | 2018 |
| Guidesmiths Ltd | Information & communication | 2014 |
| Guildford HR Ltd | Administrative & support | 2016 |
| GUN Dog Property Investments Limited | Real estate | 2014 |
| Gunnebo Safe Storage UK Ltd | Administrative & support | 2021 |
| Guras Home Care Limited | Administrative & support | 2023 |
| Gurkha Heritage PVT Ltd | Wholesale & retail | 2024 |
| Gurkha Holding Ltd | Wholesale & retail | 2019 |
| Gurkha Security Services Limited | Administrative & support | 2005 |
| Gurkha Services Limited | Administrative & support | 2019 |
| Gurkha Sound System Limited | Arts & recreation | 2014 |
| Gurkha Wedding Planner Ltd | Other services | 2014 |
| Gurkha Welfare Property Limited | Other services | 2005 |
| Gurkhas Pride Ltd | Hospitality | 2024 |
| Gurnard Properties Limited | Real estate | 2020 |
| Gytech Test Services Ltd | Professional & scientific | 2026 |
| H Chopra Ltd | Wholesale & retail | 2026 |
| H Communications Ltd | Professional & scientific | 2019 |
| H.I.T Scaffolding Ltd | Construction | 2010 |
| H10 Carpentry Limited | Construction | 2020 |
| H2V Hydrogen Projects UK Ltd | Energy | 2022 |
| Habitatiq Ltd | Information & communication | 2025 |
| HAF Property Services Limited | Real estate | 2016 |
| Hair 100 Farnborough Limited | Other services | 2017 |
| Hair 101 Cove Limited | Other services | 2019 |
| Hair by Sarah Limited | Other services | 2012 |
| Haiyifa International Trading Ltd | Wholesale & retail | 2018 |
| Halcyon Treehouses and Play Creations Ltd | Construction | 2017 |
| Halesi Nerpa Construction Ltd | Construction | 2021 |
| Hallbury Developments (Fleet) Limited | Real estate | 2022 |
| Hallbury Developments Ltd | Financial services | 2012 |
| Hallmark Refurbishment Contractors Ltd | Construction | 2021 |
| Hallmark Roofing and Cladding Ltd | Construction | 2021 |
| Halo Aviation Ltd | Transport & logistics | 2012 |
| Halo Case Management Ltd | Health & social care | 2023 |
| Halo Salon Limited | Other services | 2018 |
| Haltraz Ltd | Wholesale & retail | 2025 |
| Hamilton Grinley Ltd | Extraterritorial | 2012 |
| Hamilton Place Residents' Company Limited | Real estate | 2003 |
| Hampshire Aesthetics Laser & Skin Clinic Ltd | Other services | 2022 |
| Hampshire Automotive Ltd | Wholesale & retail | 2025 |
| Hampshire Facilities Management Limited | Construction | 2019 |
| Hampshire Light Limited | Other services | 2015 |
| Hampshire Motorhome Hire Ltd | Administrative & support | 2018 |
| Hampshire Prime Properties Ltd | Construction | 2024 |
| Hampshire Quality Cars Ltd | Wholesale & retail | 2024 |
| Hampshire Therapies LLP | | 2024 |
| Hamro Healthcare Ltd | Wholesale & retail | 2024 |
| HANDLES4U Ltd | Wholesale & retail | 2014 |
| Hangar 8 Management Ltd | Transport & logistics | 2008 |
| Happy Homes Real Estate Ltd | Real estate | 2020 |
| Harbin Property Limited | Real estate | 2025 |
| Hard Discount Direct Ltd | Wholesale & retail | 2015 |
| Harding Groundwork & Landscapes Ltd | Construction | 2023 |
| Harebelles Limited | Construction | 2020 |
| Harmonia Digital Ltd | Information & communication | 2023 |
| Harmony Dance Academy Ltd | Arts & recreation | 2026 |
| Harper Morgan Limited | Professional & scientific | 2006 |
| Harringdon International Ltd | Information & communication | 2015 |
| Harris Pension Management Limited | Professional & scientific | 1990 |
| Harrison Care Enterprises Barry Limited | Health & social care | 2005 |
| Harrison Care Enterprises Limited | Health & social care | 2003 |
| Harrys Building & Landscape Services Ltd | Administrative & support | 2020 |
| Hartdene Limited | Real estate | 2002 |
| Harticons Ltd | Construction | 2022 |
| Hartley Wintney Traditional Butchers Limited | Wholesale & retail | 2012 |
| Harvey Williams Projects Limited | Manufacturing | 2012 |
| HAS Developments Ltd | Real estate | 1981 |
| Hashroot Limited | Information & communication | 2015 |
| Hathaway Machinery Limited | Wholesale & retail | 2025 |
| Havenfresh Ltd | Hospitality | 2018 |
| Havi Engineering Ltd | Information & communication | 2023 |
| Havis Tech Limited | Information & communication | 2016 |
| Hawkes Electrical Contractors Limited | Construction | 2018 |
| Hawkley One Limited | Real estate | 2021 |
| Hawley Arms Farnborough Ltd | Hospitality | 2021 |
| Hawley Court (Freehold) Limited | Households | 2008 |
| Hawley Grove Management Limited | Households | 2000 |
| Hawley Lane Business Park Management Company Limited | Administrative & support | 2010 |
| Hawthorne Cross Management Company Limited | Real estate | 2002 |
| Hazel Gate Management Company Limited | Households | 2008 |
| Hazza Construction Ltd | Construction | 2023 |
| HC Property Management Limited | Extraterritorial | 1997 |
| HC Pyramid Electrical Limited | Construction | 2014 |
| HC Services Ltd | Professional & scientific | 2026 |
| HCC Tech Solutions Limited | Information & communication | 2015 |
| HDR Ltd | Administrative & support | 2021 |