| Gammah Technologies Ltd | Other services | 2008 |
| Garth Group Limited | Construction | 2002 |
| Garth Properties (Queensbury) Limited | Real estate | 2021 |
| Garth Properties Ltd | Real estate | 2019 |
| Gary Nutton Limited | Construction | 2008 |
| Gawthorpe Properties Limited | Real estate | 2025 |
| GB & Co (Financial Services) Limited | Professional & scientific | 1985 |
| GB Home Energy Ltd | Construction | 2025 |
| GBW Vans Limited | Wholesale & retail | 2024 |
| GC Refrigeration Services Limited | Manufacturing | 2019 |
| GCA Holdings Ltd | Real estate | 2016 |
| Gdgc Ltd | Administrative & support | 2013 |
| GE Recruitment Limited | Administrative & support | 2019 |
| Gemchem International Limited | Professional & scientific | 2020 |
| GEN2 Silver Screens Ltd | Wholesale & retail | 2025 |
| Gentleman Jacks (Nantwich) Limited | Other services | 2016 |
| Gerelle Ltd | Real estate | 2022 |
| GET Property Ltd | Real estate | 2025 |
| Ghost Beds Ltd | Wholesale & retail | 2020 |
| Ghost Clothing Ltd | Wholesale & retail | 2018 |
| Ghost Motors Ltd | Wholesale & retail | 2020 |
| Ghost Ventures Ltd | Real estate | 2022 |
| Gilbert Asset Management Ltd | Real estate | 2022 |
| Gilbert Nexus Limited | Financial services | 2026 |
| Gilltopia Limited | Financial services | 2025 |
| Ginger Forest Ltd | Real estate | 2025 |
| Ginger Toms Distribution Limited | Wholesale & retail | 2020 |
| Ginger Whale Limited | Wholesale & retail | 2016 |
| Giraffe Investments Ltd | Construction | 2026 |
| Giraffe Stays Ltd | Hospitality | 2026 |
| Glamor Athletica Limited | Wholesale & retail | 2021 |
| GLD Joinery Limited | Construction | 2021 |
| Glen Air Stays Ltd | Administrative & support | 2024 |
| Global Linkup Ltd | Wholesale & retail | 2024 |
| Glowasis Ltd | Wholesale & retail | 2026 |
| GM Excavations Ltd | Administrative & support | 2024 |
| GMB Motors Ltd | Wholesale & retail | 2026 |
| Gmld Properties Ltd | Real estate | 2023 |
| GO24 Hub Limited | Professional & scientific | 2024 |
| Gold Rush Jewellers Ltd | Wholesale & retail | 2018 |
| Golden Fleece (Staffs) Ltd | Real estate | 2016 |
| Goliath Footwear Limited | Wholesale & retail | 2003 |
| Gomersal Green Homes Limited | Construction | 2002 |
| Gomersal Land Ltd | Extraterritorial | 2024 |
| Gomersal Pharmacy Limited | Wholesale & retail | 2022 |
| Good Call Property Ltd | Real estate | 2022 |
| Gordon S. Muir Design Limited | Construction | 2008 |
| GR Pawnbrokers Ltd | Financial services | 2018 |
| Granville Street Property Ltd | Real estate | 2021 |
| Great Little Trading Co Ltd | Wholesale & retail | 2023 |
| Green & Green Pubs Ltd | Hospitality | 2016 |
| Green Connect Ltd | Construction | 2020 |
| Green Connect Properties Ltd | Households | 2024 |
| Green Security Ltd | Financial services | 2025 |
| Greenlight Inspections Ltd | Energy | 2026 |
| Greenrose Properties Limited | Real estate | 2006 |
| Greenside Dental Care Limited | Health & social care | 2013 |
| Greenwood Barton Accountants LLP | | 2021 |
| Gregoire Limited | Health & social care | 2011 |
| Grey Dog Leisure Limited | Hospitality | 2022 |
| Grosvenor Gate Properties Limited | Real estate | 2026 |
| GS Mobile Zone Ltd | Manufacturing | 2026 |
| GSI Properties Ltd | Real estate | 2023 |
| Gutter Smart Ltd | Administrative & support | 2021 |
| GWG Holdings Ltd | Financial services | 2026 |
| GYJ Limited | Hospitality | 2025 |
| H & H Living Limited | Real estate | 2019 |
| H2O Soft Cleaning Ltd | Administrative & support | 2021 |
| Hadfield Travel and SON Limited | Administrative & support | 2025 |
| Hadfield Travel Limited | Administrative & support | 2023 |
| Haligonian Ltd | Professional & scientific | 2016 |
| Hallam HR Ltd | Professional & scientific | 2017 |
| Halo & Grace Limited | Wholesale & retail | 2025 |
| Hammerton & Co. Ltd | Financial services | 2011 |
| Hamond Developments Commercial Ltd | Real estate | 2017 |
| Hamond Investments Ltd | Construction | 2018 |
| Hamond Investments Yorkshire Ltd | Real estate | 2019 |
| Handl AI Ltd | Information & communication | 2025 |
| Hannover Irvine Ltd | Real estate | 2019 |
| Hansengroup Limited | Construction | 1993 |
| Harbour Landmark Holdings Limited | Real estate | 2025 |
| Harbour Landmark Living Limited | Construction | 2014 |
| Hargreaves Property Ltd | Real estate | 2020 |
| Harmodia Music Limited | Information & communication | 2018 |
| Haroli (UK) Ltd | Information & communication | 2006 |
| Haroli Asset Management Limited | Real estate | 1990 |
| Haroli Consultancy Limited | Professional & scientific | 2017 |
| Harper Shaw Investigation Consultants Limited | Administrative & support | 2016 |
| Harrington Family Law Ltd | Extraterritorial | 2015 |
| Harris Contracting Group Ltd | Financial services | 2025 |
| Harris Tweed Clothing Company Limited | Manufacturing | 2012 |
| Harrison Trim Supplies Limited | Manufacturing | 2015 |
| Harry G Rhodes & SON Ltd | Wholesale & retail | 2003 |
| Hart & Clough Limited | Manufacturing | 1928 |
| Hart Property Sales and Lettings Ltd | Real estate | 2021 |
| Hartshead Capital Limited | Wholesale & retail | 1982 |
| Hartshead Homes Limited | Construction | 2017 |
| Harvell Holdings Limited | Real estate | 2026 |
| Hatfield Commercials Ltd | Wholesale & retail | 2022 |
| Hawes & Co Cleaning Services Ltd | Administrative & support | 2020 |