| GR & JR Holdings Ltd | Households | 2026 |
| Gradino Davigdor Freehold Ltd | Real estate | 2024 |
| Grafton Dance Centre Limited | Education | 2010 |
| Grafton Dance Studios Limited | Education | 2012 |
| GRASS2LONG Landscaping Ltd | Professional & scientific | 2025 |
| Grasscapes Limited | Administrative & support | 2016 |
| Gravel Road Ltd | Real estate | 2023 |
| Gray Gardens Ltd | Real estate | 2018 |
| Great Parndon Investments Limited | Real estate | 1974 |
| Greaves Graphic Design Ltd | Professional & scientific | 2011 |
| Green Emerald Properties Ltd | Real estate | 2023 |
| Green Residency Ltd | Real estate | 2023 |
| Grey Centurion Limited | Transport & logistics | 2023 |
| Grey Hill Developments Ltd | Real estate | 2025 |
| Grit Care Limited | Public administration | 2024 |
| Grovelands Road Purley Limited | Households | 2006 |
| Grow UP Immediately Ltd | Information & communication | 2017 |
| GSI Carpentry Ltd | Manufacturing | 2025 |
| GSI Developments and Construction Limited | Administrative & support | 2022 |
| GSS Property Consultants Limited | Administrative & support | 2015 |
| GT Radiator Services Limited | Wholesale & retail | 2014 |
| GT Software Services Ltd | Information & communication | 2016 |
| GUR YUV Properties Limited | Real estate | 2025 |
| Guro Catering Limited | Hospitality | 2026 |
| Gym Geezer Ltd | Education | 2022 |
| H & C Company Limited | Households | 2021 |
| H&A Properties (Surrey) Ltd | Real estate | 2022 |
| H&E Property Limited | Real estate | 2022 |
| H.B Vehicle Sales Ltd | Wholesale & retail | 2025 |
| H.R.Jennings & Co,Limited | Financial services | 1922 |
| H2 Barbers (Surrey) Ltd | Other services | 2025 |
| H2O Habitat Limited | Wholesale & retail | 2012 |
| Haagel & Sons Ltd | Real estate | 2022 |
| Habtec 2 Ltd | Construction | 2023 |
| Habtec 3 Ltd | Construction | 2023 |
| Habtec Investments Ltd | Construction | 2023 |
| Habtec Ltd | Construction | 2019 |
| Haggle 4U Ltd | Financial services | 2015 |
| Hair by Freya Ltd | Other services | 2022 |
| Hanley Interiors Limited | Construction | 2022 |
| Hannah Fulham Ltd | Hospitality | 2025 |
| Hannah's Holdings Ltd | Wholesale & retail | 2024 |
| Hannahmichael Limited | Real estate | 2012 |
| Hanson Gray Design Limited | Professional & scientific | 2015 |
| Hanzi Limited | Wholesale & retail | 2024 |
| Happy Galaxy UK Limited | Real estate | 2016 |
| Hardwicke Road Limited | Real estate | 2019 |
| Hares Estates England Limited | Real estate | 2019 |
| Harestone Capital Limited | Real estate | 2026 |
| Harestone House Residents Association Limited | Households | 1989 |
| Harestone HR Limited | Administrative & support | 2025 |
| Harestone Limited | Real estate | 2021 |
| Harestone Management Solutions Limited | Professional & scientific | 2015 |
| Harpsden Properties Ltd | Real estate | 1988 |
| Haslemere Plant Hire Ltd | Administrative & support | 2015 |
| Haven Above Ltd | Hospitality | 2020 |
| Hawke Financial Services LLP | | 2007 |
| Hayes Hygiene Limited | Wholesale & retail | 1989 |
| HB Detailing Ltd | Administrative & support | 2025 |
| Head & Co General Maintenance Ltd | Construction | 2005 |
| Health Made Semple Services Ltd | Health & social care | 2026 |
| Healthspace Design Ltd | Professional & scientific | 2024 |
| Hearts and Arrows Ltd | Other services | 2022 |
| Heat & More Services Limited | Construction | 2025 |
| Heat House Ltd | Other services | 2026 |
| Heatec Ltd | Construction | 2018 |
| Heating and GAS Solutions Limited | Construction | 2018 |
| Heene LLP | | 2015 |
| Heene Properties Ltd | Real estate | 2020 |
| Helica Estates Limited | Real estate | 2021 |
| Helica Ltd | Health & social care | 2019 |
| Henry Family Wealth Ltd | Health & social care | 2026 |
| Heptagon Assets Ltd | Real estate | 2008 |
| Heptagon BIR Ltd | Real estate | 2015 |
| Heroic - Rostant 1 Ltd | Real estate | 2023 |
| Heroic - Rostant 2 Ltd | Real estate | 2024 |
| Herschel Media Limited | Information & communication | 2021 |
| HGC Decorations Limited | Construction | 2010 |
| Hickey Properties Limited | Real estate | 2004 |
| Higher IT Limited | Administrative & support | 2000 |
| Highgrove Office Solutions Limited | Administrative & support | 2005 |
| Highwoods Residents Association Ltd | Other services | 1999 |
| Hill Court Limited | Extraterritorial | 2017 |
| Hill Property Enterprise Limited | Real estate | 2018 |
| Hiller Fashion Limited | Wholesale & retail | 2024 |
| Hillfield Holdings Limited | Real estate | 2017 |
| Hillside House Freehold Limited | Households | 2004 |
| Hilltop Walk Consulting Limited | Professional & scientific | 2020 |
| Himan Catering Limited | Hospitality | 2019 |
| Himesha Ratnayake Ltd | Wholesale & retail | 2026 |
| Hind & Hind Ltd | Professional & scientific | 2016 |
| Hitecsa Sales & Service Limited | Wholesale & retail | 2011 |
| Hitecsa UK Limited | Wholesale & retail | 1993 |
| HJE Detailing Ltd | Wholesale & retail | 2025 |
| HJO Investments Limited | Real estate | 2023 |
| HL Controls Ltd | Construction | 2023 |
| Hljc Services Limited | Information & communication | 2020 |
| HNW Partners Limited | Professional & scientific | 2025 |
| Hoama (Redhill) Holdings Ltd | Construction | 2024 |
| Hoama (Redhill) Ltd | Construction | 2022 |