| Gastronomic Foods Ltd | Extraterritorial | 2019 |
| Gasworx Ltd | Construction | 2017 |
| Gate-Bram Limited | Wholesale & retail | 2025 |
| Gatehouse Court (Bury) Management Company Limited | Households | 2004 |
| Gatehouse Education Ltd | Education | 2025 |
| Gatehouse Northwest Ltd | Other services | 2024 |
| Gates END Ltd | Real estate | 2020 |
| Gateside Limited | Real estate | 2019 |
| Gateway International Church Limited | Other services | 2023 |
| Gateway Media EOT Ltd | Professional & scientific | 2023 |
| Gateway Media Limited | Professional & scientific | 2008 |
| Gatorduct Limited | Manufacturing | 2014 |
| Gaurya Ltd | Professional & scientific | 2019 |
| Gavin Holdsworth Services Limited | Transport & logistics | 2017 |
| Gawaine Limited | Information & communication | 2020 |
| GAZ Cafe Limited | Wholesale & retail | 2023 |
| Gazania Global Ltd | Transport & logistics | 2026 |
| Gazelle Sports Limited | Administrative & support | 2007 |
| Gazkel Ltd | Other services | 2006 |
| GB Ecohomes Ltd | Real estate | 2022 |
| GB Ecostruct Ltd | Construction | 2022 |
| GB Leisure Bolton Ltd | Hospitality | 2024 |
| GB Leisure Chorley Ltd | Hospitality | 2026 |
| GB Moto Parts Ltd | Wholesale & retail | 2026 |
| GB Scaffold Design Limited | Construction | 2024 |
| GB Sons Properties Limited | Construction | 2019 |
| GBD Nanny and Care Services Ltd | Health & social care | 2025 |
| Gbdnanny Services Limited | Health & social care | 2026 |
| GBE Bowling Engineering Limited | Wholesale & retail | 2023 |
| Gbeot Limited | Extraterritorial | 2020 |
| GBR Auto Group Ltd | Wholesale & retail | 2026 |
| GBR Enterprises Limited | Financial services | 2023 |
| GBS Investments Limited | Real estate | 2004 |
| GBW Transport Ltd | Transport & logistics | 2023 |
| GC Clean Ltd | Administrative & support | 2023 |
| GC Holdco Limited | Financial services | 2023 |
| GC Prints Bolton Limited | Manufacturing | 2022 |
| GC8 Limited | Wholesale & retail | 2026 |
| GCH Group Limited | Real estate | 2016 |
| GCI Building Contractors Limited | Construction | 2016 |
| GCS Collective Limited | Professional & scientific | 2026 |
| Gcsab Limited | Health & social care | 2021 |
| GCU Premium Luxury Homes Ltd | Real estate | 2025 |
| GCW Engineering Services Ltd | Professional & scientific | 2023 |
| GD Care Services Ltd | Administrative & support | 2023 |
| GD DEV Ltd | Information & communication | 2015 |
| GD Tutoring Limited | Education | 2021 |
| GDI Digital Ltd | Information & communication | 2021 |
| GDJ Sandiway Golf Limited | Wholesale & retail | 2012 |
| GDL UK Painting & Refurbs Limited | Construction | 2023 |
| GDM Sports & Equipment Ltd | Wholesale & retail | 2024 |
| GDM Workwear Ltd | Wholesale & retail | 2025 |
| Gdpr Assist UK Ltd | Professional & scientific | 2021 |
| GDS Civil Limited | Financial services | 2015 |
| GDS Jenkins Limited | Wholesale & retail | 2024 |
| GE Plumbing & Heating Ltd | Extraterritorial | 2003 |
| Gear and Goods Ltd | Wholesale & retail | 2025 |
| Gearbros Ltd | Wholesale & retail | 2023 |
| Gearonix Limited | Wholesale & retail | 2025 |
| Geddes Creative Limited | Administrative & support | 2012 |
| GEE Power Solutions Limited | Administrative & support | 2024 |
| GEE Sales Services Limited | Professional & scientific | 2023 |
| Gee's Bar and Restaurant Ltd | Hospitality | 2025 |
| Geetek Limited | Construction | 2018 |
| Geiger Business Solutions Ltd | Information & communication | 2018 |
| Gelita UK Limited | Wholesale & retail | 1948 |
| Gelita UK Sales Limited | Wholesale & retail | 1990 |
| Gelossy Ltd | Other services | 2008 |
| GEM Assembly Limited | Manufacturing | 2003 |
| GEM Engineering Northwest Limited | Professional & scientific | 2020 |
| GEM Holdings (North West) Limited | Real estate | 2016 |
| GEM MAX Limited | Other services | 2017 |
| GEM Property Sapphire Ltd | Real estate | 2020 |
| Gemini Kitchens Limited | Manufacturing | 1993 |
| Gemini Services (GB) Limited | Extraterritorial | 2006 |
| Gemma LEE Digital Retail Ltd | Professional & scientific | 2024 |
| Gemma Macgregor Limited | Other services | 2019 |
| Gemma Pearce Fitness Limited | Arts & recreation | 2016 |
| Gemma Wheeler Limited | Information & communication | 2025 |
| Gemmell Holdings Limited | Financial services | 2023 |
| Gemmell Property Limited | Real estate | 2023 |
| Gemstone Fireworks UK Ltd | Wholesale & retail | 2019 |
| GEN Z Creative Ltd | Wholesale & retail | 2026 |
| Genera Ltd | Health & social care | 2023 |
| General Builders NW Ltd | Construction | 2025 |
| General Electrical & Lighting Ltd | Wholesale & retail | 2022 |
| General Goods NW Ltd | Wholesale & retail | 2025 |
| General Maintenance & Diagnostics Limited | Professional & scientific | 2003 |
| General Traffic Limited | Wholesale & retail | 1983 |
| Genesius Pictures Limited | Information & communication | 2013 |
| Genesius Sales and Distribution Limited | Information & communication | 2015 |
| Genesys Consultancy Ltd | Administrative & support | 2022 |
| Genevieve Trench Ltd | Administrative & support | 2020 |
| Genie Home Care Ltd | Health & social care | 2021 |
| Genko Ltd | Administrative & support | 2019 |
| Genstone Films Limited | Information & communication | 2022 |
| Gent & Wilkinson Ltd | Households | 2025 |
| Gentillesse Limited | Hospitality | 2025 |
| Gentle Touch Aesthetics Ltd | Other services | 2026 |
| Gentoo Films Limited | Information & communication | 2020 |