| George Weil & Sons,Limited | Wholesale & retail | 1936 |
| George Weil EOT Limited | Administrative & support | 2025 |
| Georgie Syms Limited | Hospitality | 2023 |
| Georgina Cook Limited | Information & communication | 2023 |
| Geri Reid Ltd | Information & communication | 2023 |
| German Kebap Haus Ltd | Hospitality | 2026 |
| GES Enterprises Limited | Professional & scientific | 2016 |
| GET Enterprises Limited | Wholesale & retail | 1994 |
| GET Fresh Ltd | Wholesale & retail | 2022 |
| GET Radical Ltd | Professional & scientific | 2020 |
| Get-Tech Global Ltd | Wholesale & retail | 2024 |
| Gf-Luxury Ltd. | Hospitality | 2019 |
| Gfnib Ltd | Information & communication | 2026 |
| GFP Consulting Limited | Administrative & support | 2026 |
| GFW Design and Architecture Ltd | Professional & scientific | 2019 |
| GG Property INV Ltd | Real estate | 2026 |
| GGP Enterprises Limited | Other services | 2018 |
| GH Equity UK Limited | Financial services | 2017 |
| GHH Holdings Limited | Hospitality | 2001 |
| Gibbsgrace Limited | Real estate | 2015 |
| Gibby Ltd | Information & communication | 2019 |
| Gift the Experience Ltd | Wholesale & retail | 2024 |
| Gifteo UK Ltd | Administrative & support | 2025 |
| GIFTZ4U Ltd | Wholesale & retail | 2020 |
| Gigasonix Ltd | Manufacturing | 2018 |
| Giggling Restaurants Ltd | Hospitality | 2009 |
| Gilco Building & Civil Engineering Contractors Limited | Construction | 1987 |
| Gildings Barns Events Ltd | Hospitality | 2020 |
| Giles Parry Consultancy Limited | Real estate | 2007 |
| Gillben Limited | Construction | 2004 |
| Gilmo Productions Limited | Information & communication | 2013 |
| Gina Car Rentals Ltd | Administrative & support | 2016 |
| Ginger Bidco Limited | Administrative & support | 2017 |
| Ginger Midco Limited | Administrative & support | 2017 |
| Ginger Topco Limited | Administrative & support | 2017 |
| Giovanni Tombazzi Ltd | Manufacturing | 2024 |
| Gitu TEN Ltd | Health & social care | 2023 |
| Giusepiaran Bean LLP | | 2025 |
| Gjcg Limited | Professional & scientific | 2025 |
| GK Dental Ltd | Health & social care | 2020 |
| GK Goods Limited | Wholesale & retail | 2016 |
| GKC Infocus Limited | Administrative & support | 2011 |
| Glaceriska Innovation Limited | Professional & scientific | 2005 |
| Glaicier Ltd | Information & communication | 2024 |
| Glebe House (Guildford) Limited | Households | 1958 |
| Glen Duror Limited | Professional & scientific | 2023 |
| Glenbuck Homes Limited | Real estate | 2000 |
| Glencross Cleaning Limited | Administrative & support | 1987 |
| Glenridge Ltd | Construction | 2025 |
| Glenrowan Aviation Ltd | Education | 2023 |
| Gleso International Ltd | Professional & scientific | 1990 |
| Glitter POP Parties Ltd | Other services | 2018 |
| Global Education Goals Group Ltd | Financial services | 2015 |
| Global Markets Media Limited | Information & communication | 2003 |
| Global Message Services UK Limited | Information & communication | 2023 |
| Global Phone Solutions Limited | Extraterritorial | 2012 |
| Global Policy House Limited | Professional & scientific | 2017 |
| Global Services & Brokering Limited | Other services | 2009 |
| Global Skills Meet Ltd | Administrative & support | 2022 |
| Global Strategic Executives Limited | Extraterritorial | 2022 |
| Global Tax Network Ltd | Professional & scientific | 2000 |
| Global Transplant Solutions International Limited | Health & social care | 2023 |
| Global Travel Transport Ltd | Transport & logistics | 2024 |
| Global Views RAE Limited | Real estate | 2025 |
| Globally Mine Limited | Administrative & support | 2022 |
| Globalnova Trade Ltd | Wholesale & retail | 2025 |
| Glorious Gold Trade Ltd | Wholesale & retail | 2024 |
| Gloriously Green Landscaping Ltd | Administrative & support | 2023 |
| Glory Capital Management Ltd | Professional & scientific | 2023 |
| Glow Framework Ltd | Professional & scientific | 2026 |
| Glowmade Ltd | Information & communication | 2015 |
| Gluco RX Limited | Manufacturing | 2011 |
| GM Cars Ltd | Transport & logistics | 2009 |
| GMP Ortho Ltd | Health & social care | 2021 |
| GMY Tea Ltd | Wholesale & retail | 2023 |
| Go ALL Electric Limited | Information & communication | 2026 |
| Goalpost Film Limited | Information & communication | 1996 |
| Goalpost Holdings Limited | Professional & scientific | 2007 |
| Goalpost Pictures Limited | Information & communication | 2008 |
| Goat Grind Ltd | Construction | 2023 |
| Gobblex Ltd | Information & communication | 2023 |
| Godalming Hotel Limited | Hospitality | 2009 |
| Godalming Transport Services Ltd | Transport & logistics | 2026 |
| Godfrey Accounting Limited | Professional & scientific | 2003 |
| Godolphin & Holdings Limited | Financial services | 2026 |
| Goggle Collective Ltd | Information & communication | 2016 |
| Gogoldenuk Limited | Wholesale & retail | 2025 |
| Gold-I Limited | Professional & scientific | 2008 |
| Goldcrest Business Advisers Ltd. | Professional & scientific | 2002 |
| Golden Eagles Management Limited | Administrative & support | 2008 |
| Golden Fords Ltd | Wholesale & retail | 2021 |
| Golden Leaver LLP | | 2009 |
| Golden Lifts Ltd | Construction | 2025 |
| Golden Star Childcare Ltd | Health & social care | 2026 |
| Goldenfish Limited | Information & communication | 1995 |
| Goldleaf Property Investments Limited | Real estate | 2007 |
| Goldsmith Leisure Limited | Hospitality | 2016 |
| Goldsmith Properties Limited | Real estate | 2006 |
| Goldson Home's Ltd | Construction | 2023 |
| Goldsparkle Ltd | Administrative & support | 2021 |