| Good News NWK Ltd | Health & social care | 2015 |
| Good Price Mate Limited | Administrative & support | 2005 |
| Good Will Leases Ltd | Real estate | 2022 |
| Good Will Lets Ltd | Real estate | 2019 |
| Goodfellows Property Investments Limited | Households | 2026 |
| Goodhalo Ltd | Wholesale & retail | 2024 |
| Goodison Triglav Limited | Real estate | 2025 |
| Goodmax Ltd | Wholesale & retail | 2025 |
| Goodniss Limited | Financial services | 2023 |
| Goodrick Limited | Financial services | 2024 |
| Goodwin Carpentry & Construction Limited | Manufacturing | 2022 |
| Goomood LAB Ltd | Information & communication | 2023 |
| GOR SPV I Ltd | Financial services | 2022 |
| Gordoni Limited | Hospitality | 2023 |
| Gordons Wine Investments Limited | Wholesale & retail | 2025 |
| Gorilla UK Group Ltd | Manufacturing | 2024 |
| Gorilla Workshop Ltd | Wholesale & retail | 2023 |
| Gorizs Limited | Professional & scientific | 2006 |
| Gorse Engineering Ltd | Manufacturing | 2026 |
| Gosausage Limited | Wholesale & retail | 2021 |
| Gosbeck Ltd | Professional & scientific | 2020 |
| Goshift Limited | Water & waste | 2025 |
| Gosine Ventures Ltd | Wholesale & retail | 2023 |
| Gosling Estates Ltd | Real estate | 2023 |
| Gosumix Technology Ltd | Wholesale & retail | 2026 |
| Gotalk Ltd | Information & communication | 2015 |
| Gotham Housing Group Ltd | Health & social care | 2025 |
| Gotham Maintenance Group Limited | Construction | 2025 |
| Gotradesman Ltd | Information & communication | 2025 |
| Gotstomove Ltd | Wholesale & retail | 2026 |
| Goudhurst Anaesthesia Services Ltd | Health & social care | 2019 |
| Gough Hotels Group Limited | Financial services | 2025 |
| Goulding Studios Ltd | Information & communication | 2023 |
| Gourmet PAW Nutrition Henry&Co Ltd | Manufacturing | 2023 |
| Governors Mews Management Company Limited | Real estate | 2001 |
| GP Trading Bots Limited | Information & communication | 2022 |
| GPL Investments Limited | Financial services | 2006 |
| Gpsi Group Limited | Households | 2020 |
| Gquality Ltd | Manufacturing | 2022 |
| GR Consultancy & Recruitment Limited | Transport & logistics | 2025 |
| GR Industries Limited | Wholesale & retail | 2021 |
| GR Pet Grooming Supplies Ltd. | Wholesale & retail | 2023 |
| GR5 Ltd | Financial services | 2020 |
| GR8CARE Limited | Health & social care | 2023 |
| Grab&Go Courier Ltd | Transport & logistics | 2020 |
| Grabito Ltd | Hospitality | 2026 |
| Grabo Mart Ltd | Wholesale & retail | 2025 |
| Grace Bis'Kit Cosmetics Ltd | Wholesale & retail | 2020 |
| Grace Financial Limited | Professional & scientific | 2021 |
| Gracefield Consulting Limited | Financial services | 2012 |
| Gracespring Relocations UK Ltd | Real estate | 2023 |
| Gracesprings Ltd | Wholesale & retail | 2022 |
| Grade a Cars Limited | Wholesale & retail | 2025 |
| Graeme Green Electrical Services Ltd | Construction | 2023 |
| Graftap Ltd | Information & communication | 2026 |
| Grafton West UK Limited | Professional & scientific | 2024 |
| Graham Banks Music Services Ltd | Education | 2007 |
| Grainelux Ltd | Wholesale & retail | 2026 |
| Grammy Housewares UK Ltd | Wholesale & retail | 2019 |
| Granary Park Limited | Real estate | 2018 |
| Grand Vita Estates Ltd | Hospitality | 2026 |
| Grandiswear Limited | Manufacturing | 2026 |
| Grandmas Films Ltd | Information & communication | 2023 |
| Granet Press Limited | Information & communication | 2025 |
| Grange Blossom Care Ltd | Health & social care | 2025 |
| Grange Business Finance Ltd | Financial services | 2020 |
| Grange Business Solutions Limited | Administrative & support | 2020 |
| Grange Medical Services Limited | Health & social care | 2024 |
| Grant (Bury ST. Edmunds) Limited | Real estate | 1952 |
| Grant&Kg Ltd | Wholesale & retail | 2025 |
| Granta Global Ltd | Education | 2026 |
| Grantive Limited | Information & communication | 2026 |
| Granville Capital Ltd | Real estate | 2019 |
| Grape Passions Limited | Wholesale & retail | 2001 |
| Graphic INK Limited | Professional & scientific | 2020 |
| Graphic Reserve Ltd | Information & communication | 2021 |
| Graphical Market Ltd | Information & communication | 2025 |
| Graphics Knight Ltd | Professional & scientific | 2024 |
| Graphink Create LLP | | 2025 |
| Graphite Property Services Ltd | Households | 2024 |
| Grasmere Stays Ltd | Hospitality | 2026 |
| Grass Seed Online Ltd | Wholesale & retail | 2025 |
| Grassroots Sports UK1 Ltd | Wholesale & retail | 2026 |
| Gravendro Clariwell Ltd | Manufacturing | 2026 |
| Gray ANT Ltd | Manufacturing | 2026 |
| Gray Engineering Limited | Professional & scientific | 2019 |
| Grayline Software Ltd | Information & communication | 2025 |
| Grays Packaging Ltd. | Wholesale & retail | 1984 |
| Great Balls of Fire Ltd | Manufacturing | 2016 |
| Great Barton Free Church Limited | Hospitality | 2013 |
| Great Future Developments Ltd | Real estate | 2021 |
| Great Waldingfield Garages Limited | Wholesale & retail | 2004 |
| Greater London Industrial Archaeology Society | Information & communication | 2006 |
| Greatstone Capital Ltd | Financial services | 2025 |
| Grebcon Limited | Construction | 2016 |
| Greek Freaks Ltd | Health & social care | 2023 |
| Green and Glow Limited | Wholesale & retail | 2025 |
| Green Business Retail Ltd | Wholesale & retail | 2011 |
| Green Duck Ltd | Information & communication | 2003 |
| Green Haven Landscapes Ltd | Administrative & support | 2026 |