| Grebe Enterprises Limited | Manufacturing | 2005 |
| Green Bean Coffee Company Ltd | Hospitality | 2019 |
| Green Collaboration International Limited | Professional & scientific | 2024 |
| Green Fairy Productions Limited | Arts & recreation | 2010 |
| Green Folk Ltd | Administrative & support | 2021 |
| Green Heath Solutions Ltd | Construction | 2023 |
| Green Voltis UK Limited | Professional & scientific | 2024 |
| Greenflats Management Co. Limited | Real estate | 2003 |
| Greenfords Limited | Hospitality | 1945 |
| Greenmanplants Ltd | Administrative & support | 2025 |
| Greenway Property Investments Limited | Financial services | 2010 |
| Greenwood Goldsmiths Ltd | Manufacturing | 2018 |
| Greenwood Solutions Limited | Information & communication | 2004 |
| Greko Plumbing and Heating Limited | Construction | 2023 |
| Gritty Rascals Events Ltd | Arts & recreation | 2023 |
| Groundwork’S Engineering Training Specialists Limited | Professional & scientific | 2023 |
| Growth Ethos Ltd | Professional & scientific | 2025 |
| Grumpy Monkey Official Ltd | Wholesale & retail | 2022 |
| GT Sports Academy Ltd | Education | 2023 |
| GTA Consultancy Ltd. | Administrative & support | 2020 |
| GTP Limited | Real estate | 1980 |
| GTS Hampshire Ltd | Hospitality | 2025 |
| Gundog Bootcamp Ltd | Other services | 2024 |
| GWP Advisory Ltd | Professional & scientific | 2025 |
| Gymstream Limited | Information & communication | 2024 |
| H a Raggett Developments Limited | Construction | 2026 |
| H R B Medical Limited | Health & social care | 2018 |
| H Raggett Properties Ltd | Real estate | 2026 |
| Hacs Ayres Limited | Construction | 2017 |
| Halon Professional Limited | Other services | 2014 |
| Hamilton Heating & Air Conditioning Ltd | Construction | 2016 |
| Hamsa Labs Limited | Information & communication | 2022 |
| Handles Etcetera Limited | Information & communication | 2004 |
| HANDLES2ADOOR Limited | Manufacturing | 2008 |
| Hannah James London Limited | Real estate | 2014 |
| Hardline Build Ltd | Construction | 2025 |
| Hares Farm Ltd | Real estate | 2023 |
| Harpsden Mews Management Company Limited | Households | 2012 |
| Harry+Co Ltd | Professional & scientific | 2020 |
| Hart House (Hartley Wintney) Residents Management Company Limited | Real estate | 2005 |
| Hart Medical & Surgical Services Limited | Health & social care | 2023 |
| Hart Motor Company Limited | Wholesale & retail | 1997 |
| Hart Physio Limited | Health & social care | 2013 |
| Hart Training Facilities Ltd | Professional & scientific | 2017 |
| Hartbeat Developments Ltd. | Health & social care | 2004 |
| Hartletts Cafe Ltd | Hospitality | 2014 |
| Hartley Arts Group | Education | 2010 |
| Hartley Care Limited | Health & social care | 2020 |
| Hartley Communications Limited | Administrative & support | 2015 |
| Hartley Design and Print Limited | Manufacturing | 2007 |
| Hartley Driveways & Patios Ltd | Administrative & support | 2025 |
| Hartley Flow Limited | Arts & recreation | 2026 |
| Hartley Services Limited | Energy | 2005 |
| Hartley Ventures Ltd | Information & communication | 2026 |
| Hartley Wintney Bookshop Ltd | Wholesale & retail | 2025 |
| Hartley Wintney Car Wash Limited | Administrative & support | 2023 |
| Hartley Wintney Golf Club Limited | Arts & recreation | 1998 |
| Harts and Roots Limited | Wholesale & retail | 2025 |
| Harty Reads Ltd | Extraterritorial | 2023 |
| Hatfields Garage (Ascot) Limited | Wholesale & retail | 2013 |
| Hawley Gardens Limited | Administrative & support | 2024 |
| Haystaff Limited | Other services | 2021 |
| Hazbrowz Limited | Other services | 2024 |
| HCH Developments Ltd | Construction | 2026 |
| HD Delivery Limited | Information & communication | 2009 |
| Heart Roofing Ltd | Construction | 2026 |
| Heart Space Studio Limited | Other services | 2024 |
| Heath Rose Investments Ltd | Real estate | 2017 |
| Heatherwood (Ascot) Management Company Limited | Households | 2024 |
| Heckfield Ltd | Wholesale & retail | 2020 |
| Heckfield Partners Ltd | Information & communication | 2024 |
| Hedgerow Associates Limited | Professional & scientific | 2019 |
| Heera Ventures Ltd | Wholesale & retail | 2026 |
| Helion Nominees Limited | Professional & scientific | 2024 |
| Hemel Holdings Limited | Professional & scientific | 2015 |
| Henderson's Fishmongers Ltd | Wholesale & retail | 2023 |
| Hermitage Property Management Limited | Households | 2021 |
| Heronswood Management Company Limited | Households | 2003 |
| Hexibox Ltd | Information & communication | 2022 |
| Hfve Ltd | Information & communication | 2015 |
| HH Publishing Ltd | Information & communication | 2022 |
| Hhhx Limited | Agriculture & fishing | 2023 |
| High Level Services (UK) Limited | Wholesale & retail | 1991 |
| High Peak Plumbing & Heating Limited | Construction | 2024 |
| High Pressure Hire Limited | Administrative & support | 1989 |
| Hill Baker Construction Services Limited | Construction | 2004 |
| Hillier Marsden Limited | Construction | 2012 |
| Hinze Tech Operations Ltd | Professional & scientific | 2019 |
| Hivewood Trading Limited | Real estate | 2001 |
| Hley Coaching Ltd | Other services | 2024 |
| Hockleys Holdings Limited | Real estate | 2016 |
| Hoddington Equine Ltd | Manufacturing | 2013 |
| Hoggitt Homes Limited | Construction | 2004 |
| Holdfast Training Limited | Professional & scientific | 1997 |
| Holler Technology Ltd | Information & communication | 2020 |
| Holos Ventures Ltd | Arts & recreation | 2025 |
| Homescape Properties Limited | Real estate | 1999 |
| Honeyball VS Ltd | Manufacturing | 2021 |
| Hook Allotment Association C.I.C. | Other services | 2010 |
| Hook and Newnham Basics Cricket Club Ltd | Arts & recreation | 2019 |