| Geotrans Spedition Ltd | Construction | 2020 |
| Gershon Family Holdings Limited | Real estate | 2021 |
| Gershon Family Investment Group Limited | Financial services | 2022 |
| Gershon Family Investment Limited | Financial services | 2018 |
| Gesiana Ltd | Construction | 2018 |
| Gessinolina Enterprises Limited | Administrative & support | 2020 |
| GET Lost-Uk Ltd | Administrative & support | 2015 |
| GET Money Happy Limited | Professional & scientific | 2025 |
| GET Smart Hairsalon Ltd | Other services | 2023 |
| GET Tutored Ltd | Education | 2022 |
| Getsmotives Ltd | Information & communication | 2025 |
| GFA Engineering Services Limited | Professional & scientific | 2023 |
| GFY Edgware Limited | Wholesale & retail | 2023 |
| GG Electric Ltd | Construction | 2022 |
| GG-713-179 Limited | Real estate | 2022 |
| Ggart Ltd | Construction | 2024 |
| GGM Electrical Ltd | Construction | 2019 |
| GGV Groundwork Limited | Construction | 2024 |
| GHANSHYAM26 Ltd | Wholesale & retail | 2023 |
| GHB Properties Limited | Real estate | 2018 |
| Gheorghe Serban Ltd | Extraterritorial | 2012 |
| Gheri Capital Ltd | Real estate | 2021 |
| Gheri Ltd | Wholesale & retail | 2016 |
| GIB Investments Limited | Real estate | 2020 |
| Gibbs Twins Limited | Real estate | 2016 |
| GIC Couriers London Limited | Transport & logistics | 2017 |
| Giddy Friday Ltd | Wholesale & retail | 2023 |
| GIK Ltd | Construction | 2015 |
| Gillian Cooper Properties Limited | Real estate | 1964 |
| Gilltown Capital Limited | Real estate | 2025 |
| Gilmarc Associates Limited | Real estate | 1998 |
| Gilmerton Glen Ltd | Financial services | 2018 |
| Gilmore Property Investments Limited | Real estate | 2020 |
| Gimme More Limited | Wholesale & retail | 2019 |
| Gita Retail Limited | Wholesale & retail | 2021 |
| Gita Services Limited | Wholesale & retail | 2023 |
| Gitra Limited | Administrative & support | 2006 |
| Giving Tree Ventures Limited | Manufacturing | 2009 |
| Gjjm (GM) Consulting Limited | Extraterritorial | 2020 |
| GK Design and Software Limited | Information & communication | 2026 |
| GK Renew Homes Ltd | Construction | 2012 |
| GKF Carpentry Ltd | Construction | 2024 |
| Gkgasserv Ltd | Wholesale & retail | 2021 |
| Gkij Property Ltd | Real estate | 2024 |
| Gladeside Limited | Wholesale & retail | 1999 |
| Gladius Legal Ltd | Administrative & support | 2018 |
| Glamaris UK Ltd | Real estate | 2025 |
| Glannz London Ltd | Wholesale & retail | 2022 |
| Glaz Limited | Wholesale & retail | 2024 |
| Gleeson Associates Limited | Professional & scientific | 2007 |
| Gleeson Global Recruitment Ltd | Administrative & support | 2022 |
| Glencave Limited | Arts & recreation | 1986 |
| Glenerbium Limited | Professional & scientific | 2014 |
| Glenfield Court (Luton) Management Company Limited | Households | 1982 |
| Glenfray Limited | Professional & scientific | 2018 |
| Glengall DRY Cleaners Ltd | Administrative & support | 2021 |
| Glengall Local Ltd | Wholesale & retail | 2024 |
| Glitter & Glam Ltd | Administrative & support | 2022 |
| Glitter and Glamour Beauty Limited | Other services | 2011 |
| Glitter Camp Ltd | Health & social care | 2022 |
| Global Acessoriess Limited | Manufacturing | 2017 |
| Global Applyhub Ltd | Education | 2025 |
| Global Arts & Entertainment Limited | Arts & recreation | 2017 |
| Global Business Arrangement Ltd | Financial services | 2023 |
| Global Career Consultancy Ltd | Administrative & support | 2025 |
| Global Commercial and Domestic Ltd | Manufacturing | 2025 |
| Global Education Counselling Online Limited | Education | 2021 |
| Global Education Platform Ltd | Education | 2019 |
| Global Halal Solutions Limited | Other services | 2017 |
| Global Knowledge Mentors Limited | Education | 2016 |
| Global Learning Academy UK Limited | Education | 2025 |
| Global Mobility Executive Limited | Professional & scientific | 2020 |
| Global Orphans Care Ltd | Wholesale & retail | 2019 |
| Global Premium Services Ltd | Wholesale & retail | 2024 |
| Global Reliable Limited | Administrative & support | 2024 |
| Global Relief Plan Limited | Health & social care | 2023 |
| Global Sprout UK Ltd | Wholesale & retail | 2025 |
| Global Staunch Co Ltd | Professional & scientific | 2025 |
| Global Trading Properties Limited | Real estate | 2019 |
| Global Travel and Education Ltd | Administrative & support | 2013 |
| Globalmixtnsd Ltd | Construction | 2022 |
| Globe Assistance Investment Limited | Professional & scientific | 2013 |
| Globe Customs Services Ltd | Professional & scientific | 2021 |
| Globe Management Consultants Ltd | Financial services | 2013 |
| Globenz Ltd | Professional & scientific | 2023 |
| Globewings Investment Limited | Real estate | 2021 |
| Globochain Ltd | Professional & scientific | 2015 |
| Globtalk Ltd. | Information & communication | 2024 |
| Glorix Construction Ltd | Construction | 2025 |
| Glory Decor Ltd | Other services | 2024 |
| Gloucester Developments Limited | Professional & scientific | 2002 |
| Gloucester Homes Limited | Construction | 2000 |
| Gloucester Lodge (Management) Limited | Households | 1986 |
| Glow by Khanda Ltd | Other services | 2026 |
| Glow Domiciliary Healthcare Ltd. | Health & social care | 2018 |
| Glow First Cleaning Services Ltd | Administrative & support | 2025 |
| Glow Rich Business(Fatima) Ltd | Professional & scientific | 2025 |
| Glow Trinity Studio Limited | Other services | 2026 |
| Glowstatus Ltd | Manufacturing | 2021 |
| Gloxalate Limited | Professional & scientific | 2014 |