| G-Viz Analytics Ltd | Professional & scientific | 2019 |
| G. Stafford (Poultry) Limited | Wholesale & retail | 1984 |
| G.A. Hurley Limited | Professional & scientific | 2005 |
| G.F.L. Limited | Wholesale & retail | 1989 |
| G.H. Gifts Limited | Wholesale & retail | 2005 |
| G.Knock Fabrications Ltd | Construction | 2024 |
| GA Computer Consultancy Limited | Information & communication | 2007 |
| Gaime Ltd | Information & communication | 2020 |
| Gain Software Products Ltd | Wholesale & retail | 2025 |
| Galaxy Cosmos Limited | Hospitality | 2022 |
| Galaxzee Ltd | Wholesale & retail | 2022 |
| Galgo Tech Ltd | Information & communication | 2026 |
| Game Changer Wealth Limited | Professional & scientific | 2016 |
| Game Pressure Studio Ltd | Manufacturing | 2021 |
| Ganeshbp Ltd | Hospitality | 2024 |
| Garden Centre Style Ltd | Professional & scientific | 2018 |
| Garden Store Direct Limited | Wholesale & retail | 2012 |
| Garfield Court (Blackpool) Management Limited | Households | 1975 |
| Garrad Electrical Services Ltd | Construction | 2022 |
| Garrison Lifestyle Ltd | Wholesale & retail | 2022 |
| Gartside Enterprises Limited | Real estate | 1989 |
| Garvale Investments Ltd | Real estate | 2013 |
| Garvey Properties Blackpool Limited | Households | 2015 |
| Gary Lemon Limited | Manufacturing | 2016 |
| GAS and Plumb Ltd | Construction | 2026 |
| Gaskin Holdings Limited | Real estate | 2013 |
| Gastight Services Ltd | Construction | 2018 |
| Gates Direct UK Limited | Manufacturing | 2008 |
| Gateway Professional Services Ltd | Professional & scientific | 2024 |
| Gato Trading Limited | Wholesale & retail | 2023 |
| GAV Electrique Ltd | Construction | 2022 |
| GAY Stay UK Limited | Administrative & support | 2011 |
| GAZ Holdings Limited | Financial services | 2022 |
| GB Prime Developments Ltd | Real estate | 2026 |
| GB Prime Holdings Ltd | Financial services | 2026 |
| GB Prime Investments Ltd | Real estate | 2024 |
| GB Solar NW Limited | Professional & scientific | 2026 |
| GB Therapy Ltd | Health & social care | 2023 |
| GBE Commodities Limited | Wholesale & retail | 2019 |
| GBE Holdings Limited | Wholesale & retail | 2021 |
| GBE Manchester Limited | Other services | 2020 |
| GBE Property Group Limited | Administrative & support | 2010 |
| GBE Rockway Limited | Construction | 2005 |
| GBS Anglo Pacific Limited | Professional & scientific | 2019 |
| GBS Clearwater LLP | | 2020 |
| GBS Global Opportunities Limited | Financial services | 2021 |
| GBS UK Portfolio Limited | Real estate | 2019 |
| GC Collins Building Surveyors Limited | Construction | 2020 |
| GC Creative Ltd | Information & communication | 2021 |
| Gcdi Ltd. | Wholesale & retail | 2025 |
| GDB Property Group Ltd | Real estate | 2026 |
| Gdcouriers Ltd | Transport & logistics | 2024 |
| Gdfc Assets Limited | Financial services | 2012 |
| Gdfc Holdco Limited | Financial services | 2012 |
| Gdfc Services PLC | Financial services | 2012 |
| GDR Communications Ltd | Professional & scientific | 2016 |
| GDS Health and Psychotherapy Ltd | Health & social care | 2024 |
| GED Mills Homes Ltd | Real estate | 2024 |
| Gegu Limited | Other services | 2012 |
| Geltsdale Electrical Services Limited | Construction | 2020 |
| Gemini Blinds & Signs Ltd | Wholesale & retail | 2018 |
| Gemini Window Coverings Limited | Wholesale & retail | 2025 |
| GEN Bathroom and Tiles Ltd | Wholesale & retail | 2023 |
| General Building & Restoration Ltd. | Administrative & support | 2025 |
| General Optica Limited | Professional & scientific | 1998 |
| Generations Property Management Ltd | Real estate | 2014 |
| Genesis Dog Breeding Ltd | Wholesale & retail | 2019 |
| Genesis Exhausts Limited | Wholesale & retail | 2011 |
| Genesis Flat Roofs Limited | Construction | 2021 |
| Genesis Roofing Northwest Limited | Construction | 2020 |
| Genesoma Ltd | Information & communication | 2026 |
| Gens Investments Ltd | Financial services | 2022 |
| Gent Property Limited | Real estate | 2018 |
| Gentlegianttcg Limited | Wholesale & retail | 2026 |
| Gently Fiercely Ltd | Wholesale & retail | 2025 |
| GEO One Delivery Ltd | Transport & logistics | 2025 |
| GEO3 Recycling Ltd | Water & waste | 2017 |
| Geoff and Pearl Moore Limited | Hospitality | 2017 |
| George Morrison (Electric Lighting and Plating) Limited | Construction | 1925 |
| Georgiana's Hair&Beauty Ltd | Other services | 2026 |
| Georgie Liptrot Cosmetics Ltd | Other services | 2023 |
| Geospatial Labs Limited | Administrative & support | 2025 |
| Gerard Oneill Electrical Services Ltd | Manufacturing | 2018 |
| Gerry Pounder Associates Ltd | Professional & scientific | 2003 |
| GET SET 4 Success Limited | Other services | 2013 |
| Gettysfish&Chipshop Ltd | Hospitality | 2025 |
| GG-390-260 Limited | Real estate | 2023 |
| GG-512-836 Limited | Real estate | 2023 |
| GGC Installations Limited | Construction | 2020 |
| Ggcl Ltd | Construction | 2020 |
| GH Building Solutions Limited | Construction | 2022 |
| GH Solutions Limited | Administrative & support | 2026 |
| Ghazi Sweet Limited | Wholesale & retail | 2025 |
| GHL Road Surfacing Ltd | Construction | 2022 |
| Ghost AI Ltd | Information & communication | 2026 |
| GHT Holdings Ltd | Financial services | 2025 |
| Gianluca Barrea Financial Consultancy Limited | Financial services | 2024 |
| Gibson Asset Management Ltd | Real estate | 2025 |
| Gibson Legacy Group Ltd | Financial services | 2025 |
| Gift O 5 Ltd | Real estate | 2023 |