| Gurkhas Enterprises Limited | Wholesale & retail | 2020 |
| Gurkhas Properties Ltd | Construction | 2016 |
| Gurney Weslake Ltd | Manufacturing | 2007 |
| Guruji Limited | Wholesale & retail | 2014 |
| Gurung Bro's PVT Ltd | Hospitality | 2017 |
| GUS + Beau Ltd | Wholesale & retail | 2018 |
| Gusbourne Limited | Manufacturing | 2012 |
| Gutter Clean Kent Ltd | Administrative & support | 2015 |
| Gutterman Limited | Construction | 2007 |
| Guttersdirect Limited | Wholesale & retail | 2016 |
| Guttersdirectonline Limited | Wholesale & retail | 2020 |
| GUY Marketing Ltd | Information & communication | 2000 |
| GVG (London) Ltd | Information & communication | 2016 |
| GVP Cars Ltd | Wholesale & retail | 2024 |
| GW Ashford Limited | Hospitality | 2026 |
| GW Harrison Limited | Information & communication | 2020 |
| GWA Security Ltd | Construction | 2024 |
| Gwens Ltd | Construction | 2013 |
| GWS Advisory Limited | Financial services | 2014 |
| GWS Carpentry Contractors Ltd | Manufacturing | 2015 |
| Gwyndy Group Limited | Real estate | 2018 |
| GX Pharma Limited | Professional & scientific | 2022 |
| GYD Architects Ltd | Professional & scientific | 2023 |
| GYD Holdings Limited | Financial services | 2024 |
| GYD Modular Ltd | Professional & scientific | 2007 |
| Gym Monkey 84 Ltd | Wholesale & retail | 2025 |
| GZ Consultancy Ltd | Administrative & support | 2016 |
| H & C Services Limited | Construction | 2019 |
| H & K Training Services Ltd | Professional & scientific | 2016 |
| H & M Advanced Autos Limited | Wholesale & retail | 2003 |
| H & O Chuks Limited | Health & social care | 2016 |
| H & S Global Solutions Ltd | Information & communication | 2019 |
| H Kitchens Ltd | Hospitality | 2026 |
| H M K (Services) UK Ltd | Health & social care | 2025 |
| H M Machinery UK Limited | Wholesale & retail | 2001 |
| H R Group Ltd | Professional & scientific | 1981 |
| H Samson Limited | Arts & recreation | 2025 |
| H&B Architectural Ironmongers Limited | Administrative & support | 2018 |
| H&F Hairstyles Limited | Other services | 2018 |
| H&H Acquisitions Limited | Real estate | 2023 |
| H&L Goddard’S Developments Ltd | Real estate | 2022 |
| H&N Property Ltd | Real estate | 2023 |
| H&S Accounting Solutions Limited | Professional & scientific | 2014 |
| H&S Production House Ltd | Information & communication | 2026 |
| H&Sdigitalcollective Ltd | Information & communication | 2025 |
| H&T Motor Style UK Limited | Transport & logistics | 2018 |
| H-T Mobile Ltd | Wholesale & retail | 2021 |
| H.E.B Electrical Ltd | Construction | 2021 |
| H.Godden Tree Surgery Limited | Agriculture & fishing | 2006 |
| H.I Medics Limited | Health & social care | 2015 |
| H.R. Management Services Ltd | Professional & scientific | 1996 |
| H.V.F.C. Limited | Arts & recreation | 2007 |
| H2O Plumb and Build Limited | Construction | 2014 |
| H2PRO Plumbers Ltd | Construction | 2024 |
| H3O Limited | Real estate | 2015 |
| Haas Plumbing and Heating Services Ltd | Construction | 2025 |
| Haashir Cabs Limited | Transport & logistics | 2018 |
| Hadarah Limited | Health & social care | 2018 |
| Hadaway & Denton Holdings Limited | Financial services | 2022 |
| Hadaway & Denton Independent Funeral Directors Ltd | Other services | 2018 |
| Hadley Meadow Ltd | Hospitality | 2025 |
| Hadmans Place Limited | Administrative & support | 2015 |
| Hafo Properties Limited | Real estate | 2026 |
| Hagerty Holdings Ltd | Water & waste | 2024 |
| Haigh's Plant Services Ltd. | Construction | 2016 |
| Haigos Limited | Health & social care | 2014 |
| Hair by MEL L Ltd | Other services | 2025 |
| Hair Candy Extensions Ltd | Other services | 2022 |
| Hair Mastery Co Ltd | Other services | 2019 |
| Hair Solutions London Limited | Health & social care | 2024 |
| Hair Today More Tomorrow Limited | Other services | 2012 |
| Hair Today More Tomorrow Products Limited | Other services | 2012 |
| Hair Xpertise Limited | Wholesale & retail | 2002 |
| Hairmonster Professional LLP | | 2011 |
| Haleema Immigration Chambers Limited | Professional & scientific | 2013 |
| Halena Tech Limited | Information & communication | 2020 |
| Hall Carpentry Services Limited | Construction | 2012 |
| Hall Hair Limited | Other services | 2003 |
| Halliford Colts Football Club Ltd | Arts & recreation | 2025 |
| Halls Demolition Ltd | Construction | 2024 |
| Halo & Wren Bridal Ltd | Wholesale & retail | 2016 |
| HAM Street Wines Limited | Agriculture & fishing | 2018 |
| Hamax Construction Ltd | Construction | 2020 |
| Hambrook Gate Mangement Limited | Households | 2019 |
| Hamilton House (Ryde) Management Company Limited | Households | 1995 |
| Hamilton March (Holdings) Limited | Professional & scientific | 2019 |
| Hamilton March Investments Ltd | Energy | 2016 |
| Hamilton Safeguarding Consultancy Ltd | Other services | 2021 |
| Hamlock Property Ltd | Real estate | 2021 |
| Hammerhead Carpentry & Joinery Limited | Construction | 2015 |
| Hammond Healthcare Limited | Health & social care | 2010 |
| Hammond Land Holdings Limited | Financial services | 2024 |
| Hampden Health Limited | Professional & scientific | 2012 |
| Hampshire Prostate Limited | Health & social care | 2020 |
| Hampshire Specialist Dental Centre Limited | Health & social care | 2009 |
| Hampton Court Chimney Services Ltd | Administrative & support | 2018 |
| Hamrohemp Limited | Wholesale & retail | 2022 |
| Hamstreet Fish & Chips Ltd | Hospitality | 2017 |
| Hamstreet Pharmacy Limited | Extraterritorial | 2007 |
| Handcraft Bespoke Designs Ltd | Manufacturing | 2021 |