| Global Horse Lottery Limited | Extraterritorial | 2001 |
| Global Indian Organization Limited | Education | 2022 |
| Global Marine Group Holdings Limited | Administrative & support | 2020 |
| Global Marine Holdings Limited | Administrative & support | 2002 |
| Global Marine Search Limited | Professional & scientific | 2008 |
| Global Marine Systems (Investments) Limited | Professional & scientific | 2000 |
| Global Marine Systems (Vessels II) Limited | Extraterritorial | 1997 |
| Global Marine Systems (Vessels) Limited | Transport & logistics | 2007 |
| Global Marine Systems Limited | Construction | 1983 |
| Global Marine Systems OIL and GAS Limited | Construction | 2011 |
| Global Marine Systems Pension Trustee Limited | Professional & scientific | 1999 |
| Global Pass Limited | Wholesale & retail | 2013 |
| Global Quality Search Ltd | Administrative & support | 2022 |
| Global SME Consult Ltd | Administrative & support | 2024 |
| Globaless & Mobility HR Management Ltd | Administrative & support | 2023 |
| Globaless & Mobility HR Services International Limited | Administrative & support | 2023 |
| Globaless & Mobility HR Services UK Ltd | Professional & scientific | 2018 |
| Globalpoints Immigrations and Education Consultancy Ltd | Professional & scientific | 2022 |
| Globe House (Chelmsford) Limited | Households | 2001 |
| Globuild Limited | Construction | 2007 |
| Glolight International Ltd | Professional & scientific | 2007 |
| Gloucester Court RTM Company Limited | Households | 2004 |
| Gloucestershire Roof Cleaning Ltd | Administrative & support | 2026 |
| Glow Together Ltd | Administrative & support | 2026 |
| Glowtics Ltd | Information & communication | 2023 |
| GLU Digital Limited | Information & communication | 2011 |
| GLU Holdings Limited | Financial services | 2019 |
| Glynn Williams Architects Limited | Professional & scientific | 2008 |
| GM Education Consultancy Ltd | Education | 2021 |
| GM Ventures 13 Ltd | Extraterritorial | 2013 |
| Gmat Limited | Professional & scientific | 2023 |
| GMS IT Contract Services Limited | Information & communication | 2011 |
| GMS Payroll Europe Limited | Administrative & support | 2021 |
| GMS Payroll International Ltd | Administrative & support | 2023 |
| Gmsl Employee Benefit Trust Limited | Extraterritorial | 2007 |
| GMT Foodservice Design Consultancy Ltd | Professional & scientific | 2024 |
| GNC TV Editing Ltd | Information & communication | 2021 |
| GNL Strategic Limited | Professional & scientific | 2020 |
| GNT Residential Ltd | Real estate | 2022 |
| Go Eco Heating Limited | Construction | 2016 |
| Go Forwards Motorcycle Ltd | Wholesale & retail | 2023 |
| Go Raptor Studios Limited | Information & communication | 2011 |
| GOA Plumbing Limited | Construction | 2025 |
| Goathost Ltd | Information & communication | 2025 |
| Gobec Properties Limited | Extraterritorial | 1956 |
| God'Sway Venture Limited | Administrative & support | 2014 |
| Godiva Print Limited | Information & communication | 2012 |
| Godspeed Cars Limited | Wholesale & retail | 2018 |
| Gohup Ltd | Wholesale & retail | 2025 |
| Going Wild Ltd | Wholesale & retail | 2024 |
| Gold and Black Property Limited | Real estate | 2022 |
| Gold Command Limited | Administrative & support | 2004 |
| Gold Education Recruitment Limited | Administrative & support | 2021 |
| Gold Leisure Limited | Arts & recreation | 2018 |
| Gold Media Ltd | Information & communication | 2016 |
| Gold of India Ltd | Hospitality | 2018 |
| Gold River Fish and Chips Limited | Hospitality | 2025 |
| Gold Shark Limited | Health & social care | 2025 |
| Gold Standard K-9 Ltd | Administrative & support | 2021 |
| Gold Standard Plumbing Ltd | Construction | 2024 |
| Gold Star Boxing Academy Ltd | Arts & recreation | 2023 |
| Goldcrest Roofing Services Limited | Construction | 2014 |
| Golden Duck (U.K.) Limited | Arts & recreation | 2005 |
| Golden Gehna Ltd | Wholesale & retail | 2021 |
| Golden Mile Race Limited | Extraterritorial | 2003 |
| Golden Mile Racing Limited | Arts & recreation | 2003 |
| Golden Plaice Fish 'N Chips Ltd | Manufacturing | 2017 |
| Golden Reality Limited | Wholesale & retail | 2018 |
| Golden Reserve Limited | Wholesale & retail | 2024 |
| Golden Spider Limited | Real estate | 2019 |
| Goldfin Advisory Ltd | Professional & scientific | 2026 |
| Golding Catering Supplies Ltd | Wholesale & retail | 2002 |
| Golding Investigations Limited | Administrative & support | 2016 |
| Goldingham Drive Community Services Limited | Education | 2009 |
| Goldplan Properties Limited | Real estate | 2002 |
| Goldsmith Webb (Body's) Limited | Wholesale & retail | 2015 |
| Goldsmith Webb (Rochford) Limited | Wholesale & retail | 2013 |
| Goldsmith Webb Limited | Wholesale & retail | 2008 |
| Goldstar Networks Ltd | Information & communication | 2017 |
| Goldstone Voiceovers Limited | Information & communication | 2016 |
| Goldwest Construction Limited | Construction | 2015 |
| Golf Box Direct Limited | Wholesale & retail | 2024 |
| Golfplay Limited | Administrative & support | 2008 |
| Golfwise Limited | Arts & recreation | 1996 |
| Golfwise Properties Limited | Households | 2013 |
| Golootlo Ltd | Wholesale & retail | 2022 |
| Gomezian Treasure Chest Ltd | Wholesale & retail | 2024 |
| Good-Diggs Limited | Real estate | 2023 |
| Goodcap Ltd | Real estate | 2022 |
| Goodeve Limited | Real estate | 2001 |
| Goodlad & Co Limited | Financial services | 2016 |
| Goodleigh Enterprises Limited | Health & social care | 2014 |
| Goodleigh Properties Limited | Construction | 2019 |
| Goodleigh Ventures Limited | Health & social care | 2022 |
| Goodston Consulting Ltd | Administrative & support | 2012 |
| Goodwill Service Ltd | Health & social care | 2026 |
| Goodwins Plumbing & Heating Ltd | Construction | 2022 |
| Goodwins Waste Management Limited | Water & waste | 2025 |
| Goodwright Ltd | Information & communication | 2019 |
| Goodyear Energy Solutions Ltd | Construction | 2025 |