| Greenmount Management Company Limited | Households | 2005 |
| Greens Engineering Ltd | Professional & scientific | 2025 |
| Greens Power Limited | Manufacturing | 2004 |
| Greensante Limited | Manufacturing | 2024 |
| Greenwood & Day Kitchens Ltd | Construction | 2025 |
| Greenwood Global Capital Ltd | Wholesale & retail | 2022 |
| Gregory & Isaac Limited | Construction | 2025 |
| Gremot Biotech Co Ltd | Manufacturing | 2025 |
| Gresland & Co Limited | Extraterritorial | 2020 |
| Grey Geese Properties Limited | Real estate | 2005 |
| Greyfriars Butchers Ltd | Wholesale & retail | 2014 |
| Greyfriars Storage Limited | Administrative & support | 2022 |
| Greyhound (Stafford) Ltd | Hospitality | 2023 |
| Greyhound Business Enterprises Ltd | Financial services | 2025 |
| Greyhound Road NO 18 Limited | Extraterritorial | 2006 |
| GRI Construction Engineering (UK) Co., Ltd | Extraterritorial | 2017 |
| Grid System Engineering Ltd | Energy | 2025 |
| Griffin & Co Consulting Limited | Professional & scientific | 2021 |
| Griffin Finance Ltd | Financial services | 2022 |
| Grigwells Ltd | Construction | 2025 |
| Grocutt & Sons Limited | Other services | 2018 |
| Grounded Garden Services Ltd | Administrative & support | 2026 |
| Groupbuy Ltd | Hospitality | 2024 |
| Groupnet Services Limited | Information & communication | 2017 |
| Grove Estate (Wine) Limited | Agriculture & fishing | 2016 |
| Groves & Mccarthy Limited | Information & communication | 2000 |
| Groves Training Services Limited | Education | 2010 |
| Grow Badges Ltd | Education | 2023 |
| Grow Labs Ltd | Information & communication | 2024 |
| Growing Minds Psychology Limited | Health & social care | 2023 |
| Growth Phoenix Ltd | Professional & scientific | 2023 |
| Growthkey Properties Ltd | Real estate | 2025 |
| GRV Fresh Foods Ltd | Hospitality | 2022 |
| GS Personal Travel Ltd | Administrative & support | 2025 |
| Gs-Windows Stafford Ltd | Administrative & support | 2022 |
| Gsmd Investments Limited | Real estate | 2019 |
| Gsw.Electricians Ltd | Manufacturing | 2013 |
| GT Swim Programs Ltd | Education | 2024 |
| Gtem Limited | Financial services | 2016 |
| GTF Enterprises Ltd | Hospitality | 2022 |
| GTS Energy Ltd | Construction | 2025 |
| Guangdong Shiji Feiyang Metal Manufacturing Co., Ltd. | Manufacturing | 2022 |
| Guangman Limited | Manufacturing | 2024 |
| Guangzhou Boursin Auto Spares Co., Ltd | Extraterritorial | 2021 |
| Guangzhou Chengyi Auto Parts Co., Ltd. | Wholesale & retail | 2022 |
| Guangzhou Yamei Trading Co., Ltd | Wholesale & retail | 2025 |
| Guangzhou Zimmer Co., Ltd | Wholesale & retail | 2021 |
| Guansheng Ltd | Wholesale & retail | 2021 |
| Guizhou Limited | Wholesale & retail | 2023 |
| Gulang Ltd | Professional & scientific | 2022 |
| Guoye Ltd | Professional & scientific | 2023 |
| Guru DA Pizza Limited | Hospitality | 2023 |
| Guru DA Pizza ST Ltd | Hospitality | 2024 |
| Gurung Pharma Ltd | Wholesale & retail | 2025 |
| Gutter Maintenance Ltd | Construction | 2023 |
| GUY Smith CAD Services Ltd | Professional & scientific | 2019 |
| GW Facilities (Stafford) Ltd | Construction | 2026 |
| GW Surfacing & Groundworks Ltd | Construction | 2026 |
| Gwdihw Properties Ltd | Real estate | 2025 |
| Gwst Limited | Hospitality | 2020 |
| Gym Group Stafford Limited | Arts & recreation | 2025 |
| Gym. Co. Asia Limited | Extraterritorial | 2007 |
| Gymophobics (Licence) Limited | Arts & recreation | 2005 |
| Gymzone Ltd | Arts & recreation | 2019 |
| Gyongano Ltd | Wholesale & retail | 2025 |
| GZ Wael International Trading Co., Limited | Wholesale & retail | 2025 |
| H & a Services (Stafford) Ltd | Education | 2026 |
| H & B Properties Limited | Real estate | 2009 |
| H & B Real Estate Limited | Real estate | 2017 |
| H & E Dunne Limited | Financial services | 2023 |
| H B X Limited | Water & waste | 2001 |
| H C Accounting Ltd | Professional & scientific | 2013 |
| H J Lining Limited | Construction | 2021 |
| H S B Developments Ltd | Construction | 2016 |
| H&H Plumbing Limited | Construction | 2020 |
| H-Star Network Technology Limited | Wholesale & retail | 2024 |
| H-Track Ltd | Wholesale & retail | 2022 |
| H. & H. Holman Properties Limited | Construction | 1979 |
| H.A.V Tech Holdings Ltd | Financial services | 2025 |
| H.A.V Technology Services Limited | Professional & scientific | 2019 |
| H.T. Hughes & Sons (Garage) Limited | Arts & recreation | 1974 |
| H2 Contractors Limited | Agriculture & fishing | 2019 |
| H246 Ltd | Transport & logistics | 2025 |
| H3G Contractor Ltd | Construction | 2014 |
| H3G Rentals Ltd | Construction | 2022 |
| H5H Properties Ltd | Real estate | 2024 |
| Habberley Park Management Company Limited | Households | 2023 |
| Hadley Renewables Ltd | Construction | 2025 |
| Hadley Rowe Limited | Real estate | 1988 |
| Haffner (G.B) Ltd. | Manufacturing | 1992 |
| Haffner Ltd | Manufacturing | 2013 |
| Haipukang Trading Co., Limited | Manufacturing | 2025 |
| Hair & Beauty Mall Limited | Other services | 2024 |
| Hair Majic Ltd | Other services | 2010 |
| Hairy IT Ltd | Information & communication | 2026 |
| Haitunbl Co., Ltd | Wholesale & retail | 2024 |
| Hajco 107 Limited | Real estate | 1992 |
| Hakimii Trade Co., Ltd | Wholesale & retail | 2025 |
| Halcyon Days Classic Motorcycles Ltd | Wholesale & retail | 2014 |
| HALF4.XYZ Ltd | Information & communication | 2023 |