| Fuel Stop Limited | Wholesale & retail | 2012 |
| Full Cycle Moving & Storage Limited | Transport & logistics | 2023 |
| Fusa Logistics Ltd | Transport & logistics | 2022 |
| Fuse Flow Ltd | Manufacturing | 2022 |
| FW Marble Limited | Manufacturing | 2026 |
| G Airport Transfers Limited | Transport & logistics | 2015 |
| G Bivol Ltd | Construction | 2018 |
| G&A Pro Build Ltd | Construction | 2026 |
| G&H General Services Ltd | Construction | 2023 |
| G&M Consultance Ltd | Professional & scientific | 2022 |
| G&R Building Contractors Limited | Construction | 2022 |
| G&S Plumbing Ltd | Construction | 2021 |
| G&T Eastern Europe Food Ltd | Wholesale & retail | 2009 |
| GA Aesthetics Ltd | Health & social care | 2020 |
| Gabriel Groundworks Ltd | Construction | 2019 |
| Gaby Deco Ltd | Construction | 2018 |
| Galbed Property Limited | Real estate | 2021 |
| Galden London Collection Limited | Wholesale & retail | 2025 |
| Gamma Property Investments Ltd | Real estate | 2021 |
| Gardiner Associates Training and Research Limited | Professional & scientific | 2011 |
| Garnet Care Ltd | Administrative & support | 2017 |
| Garrison Services Limited | Administrative & support | 2025 |
| GAS Dynamix Limited | Professional & scientific | 2012 |
| GAS Logic Limited | Education | 2000 |
| Gaslocal Ltd | Construction | 2020 |
| Gavaksh Consulting Limited | Information & communication | 2019 |
| GB 521 Ltd | Hospitality | 2023 |
| GB MMH Ltd | Construction | 2014 |
| Geem Ltd | Health & social care | 2014 |
| GEM Management Limited | Arts & recreation | 2009 |
| Gemfold Limited | | 1981 |
| Genco Hardwood Limited | Construction | 2022 |
| Genese Group Limited | Households | 2024 |
| Genesees Ltd | Health & social care | 2019 |
| Genesees Properties Ltd | Real estate | 2024 |
| Geneva Academy Ltd | Education | 2025 |
| Geneva Recruit Ltd | Administrative & support | 2025 |
| Geneva Tour Ltd | Administrative & support | 2025 |
| Genius Developments Limited | Construction | 2021 |
| Genius Travel Network Limited | Transport & logistics | 2010 |
| Genutis Logistics Ltd | Transport & logistics | 2016 |
| Gesads Limited | Information & communication | 2024 |
| GG-858-592 Limited | Real estate | 2023 |
| GH & P Construction Ltd | Construction | 2018 |
| Ghafir Limited | Wholesale & retail | 2023 |
| Ghasem Global Trading Limited | Wholesale & retail | 2024 |
| GHK Trade Ltd | Construction | 2023 |
| Giants Global Ltd | Professional & scientific | 2025 |
| Gidway Ltd | Other services | 2020 |
| Giftguard Technologies Ltd | Information & communication | 2025 |
| Gimbiya Capital Limited | Financial services | 2025 |
| Gimy Ltd | Construction | 2025 |
| Ginkgo Collective Ltd | Real estate | 2024 |
| Giri Propertys Ltd | Real estate | 2025 |
| GJJ Mary Ltd | Wholesale & retail | 2026 |
| GK Executive Travel Ltd | Transport & logistics | 2016 |
| GK Skylight Limited | Construction | 2024 |
| GKS Home Improvements Limited | Construction | 2015 |
| Gksn Ltd | Manufacturing | 2024 |
| Gktreats Ltd | Hospitality | 2026 |
| Gladshyn Limited | Other services | 2015 |
| Glamorise Hair & Beauty Limited | Other services | 2009 |
| GLD Team Ltd | Construction | 2013 |
| Glebe IP Private Limited | Other services | 2018 |
| Gleefa Ltd | Wholesale & retail | 2025 |
| Global Encountours Limited | Other services | 2019 |
| Global Facility Care Limited | Administrative & support | 2023 |
| Global Groupe Ltd | Administrative & support | 2016 |
| Global Trading Co. HK & UK Limited | Wholesale & retail | 2026 |
| Globera Limited | Wholesale & retail | 2023 |
| Globmark.Pl Limited | Administrative & support | 2018 |
| Glow Aesthetic Clinic & Spa Ltd | Other services | 2019 |
| Glowbasket Ltd | Wholesale & retail | 2024 |
| GM Motoring World Ltd | Wholesale & retail | 2020 |
| GM Rolling Ltd | Transport & logistics | 2025 |
| GN Designss Ltd | Professional & scientific | 2025 |
| Gnapo Ltd | Administrative & support | 2023 |
| Gnarlycorp Ltd | Administrative & support | 2026 |
| Gntnp Limited | Manufacturing | 2021 |
| GNV Associates Limited | Transport & logistics | 2008 |
| Go Lithuania Ltd | Information & communication | 2022 |
| Godoughnuts E10 Ltd | Hospitality | 2025 |
| Gokani Properties Limited | Real estate | 2017 |
| Gold and Sons Fire and Security Limited | Construction | 2023 |
| Gold Garden Limited | Manufacturing | 1985 |
| Gold PAY Limited | Other services | 2016 |
| Golden Crunch Ltd | Wholesale & retail | 2022 |
| Golden Key Finance Limited | Financial services | 2017 |
| Golden Lane Property Management Ltd | Households | 2023 |
| Golden Palms Tanning Salon Ltd | Other services | 2025 |
| Golden Space Ltd | Real estate | 2024 |
| Golden Voyage Ltd | Administrative & support | 2025 |
| Golders Green Salon Limited | Other services | 2017 |
| Goldieloq Productions Ltd | Arts & recreation | 2021 |
| Gonta Property Holdings Ltd | Real estate | 2025 |
| Good Services Consulting Limited | Professional & scientific | 2023 |
| Good Window Cleaners Ltd | Administrative & support | 2023 |
| Goodcare Logistics Ltd | Transport & logistics | 2022 |
| Goodcare Medical Limited | Health & social care | 2010 |
| Goodstart Housing Services Limited | Real estate | 2025 |