| Getoese Services Ltd | Wholesale & retail | 2021 |
| Getzephyr Ltd | Wholesale & retail | 2025 |
| Geula Shlema Ltd | Wholesale & retail | 2025 |
| Gewe Ltd | Construction | 2025 |
| Gezimi Solutions Ltd | Wholesale & retail | 2021 |
| GF Diner Limited | Hospitality | 2024 |
| GF Financial Services Ltd | Professional & scientific | 2021 |
| GF Health and Longevity Limited | Health & social care | 2024 |
| GFA Holdings Limited | Financial services | 2022 |
| GFC Commercial Ltd | Financial services | 2020 |
| GFC Diagnostics Limited | Manufacturing | 2007 |
| GFF Stubbington Ltd | Real estate | 2022 |
| GFG Haulage Ltd | Transport & logistics | 2019 |
| GFM (Cymru Wales) Limited | Professional & scientific | 2019 |
| GFM Events Ltd | Arts & recreation | 2024 |
| GFM Gasworks Ltd | Construction | 2014 |
| Gforce Tyres (Havant) Limited | Wholesale & retail | 2024 |
| Gfpl Ltd | Wholesale & retail | 2023 |
| GFS Exteriors Ltd | Households | 2025 |
| Gfss Developments Limited | Real estate | 2016 |
| GG Finanz & Marketing Ltd | Administrative & support | 2021 |
| GG Lifts Ltd | Construction | 2017 |
| GG Sports Group Ltd | Wholesale & retail | 2026 |
| Ggcompany Media Ltd | Professional & scientific | 2025 |
| GGE Transport Ltd | Transport & logistics | 2020 |
| GGL Investments Limited | Real estate | 2020 |
| GGL Marketing Ltd | Professional & scientific | 2021 |
| Ggmj Industries Limited | Administrative & support | 2016 |
| GH Utility Services Ltd | Construction | 2021 |
| Gh-Proserv Ltd | Wholesale & retail | 2020 |
| Ghafar Cars Ltd | Wholesale & retail | 2021 |
| Ghafoor Mgmt Ltd | Professional & scientific | 2025 |
| Ghair Pro Ltd | Wholesale & retail | 2025 |
| Ghalia Restaurant Ltd | Hospitality | 2017 |
| Ghalib Trading Group Ltd | Wholesale & retail | 2022 |
| Ghana Arts Found Ltd | Construction | 2023 |
| Ghana Arts Foundation UK Ltd | Construction | 2019 |
| Ghara Ltd | Wholesale & retail | 2020 |
| Gharana Goods Ltd | Wholesale & retail | 2026 |
| Ghatash Integrated Ltd | Wholesale & retail | 2025 |
| Ghezal Ltd | Professional & scientific | 2024 |
| GHL Homes Ltd | Real estate | 2025 |
| GHL Procurement Ltd | Wholesale & retail | 2020 |
| GHL Sourcing Limited | Wholesale & retail | 2014 |
| Ghold Trade Limited | Wholesale & retail | 2025 |
| Ghost Food Consultancy Ltd | Professional & scientific | 2025 |
| Ghosthack Cybersecurity Ltd | Information & communication | 2026 |
| Ghouzlani Ltd | Financial services | 2025 |
| Ghplogisticsgroup Ltd | Transport & logistics | 2021 |
| Ghulam Sarwar Goods Limited | Wholesale & retail | 2025 |
| Ghulam Zentri Ltd | Wholesale & retail | 2025 |
| Ghusgow Ltd | Hospitality | 2025 |
| GI Capital Ltd | Construction | 2013 |
| GI Construction Solutions Ltd | Construction | 2022 |
| GI Sped Ltd | Health & social care | 2021 |
| Giaband Hassanzadah Limited | Other services | 2025 |
| Giakoumis Physiotherapy Limited | Health & social care | 2017 |
| Gianelle Ltd | Wholesale & retail | 2022 |
| Gianna Trading Limited | Wholesale & retail | 2023 |
| Giant Leisure Ltd | Professional & scientific | 2003 |
| Giant Python Investment Co., Ltd | Financial services | 2021 |
| Giash Nogor Ltd | Hospitality | 2019 |
| Giawoods Ltd | Wholesale & retail | 2022 |
| Gibbon Group Ltd | Professional & scientific | 2017 |
| Gibraltar Land Holdings Limited | Real estate | 2019 |
| Gibraltar Sports Trading Ltd | Arts & recreation | 2025 |
| Gibson Cleaning Services Limited | Administrative & support | 2006 |
| Gibson Groundworks and Construction Ltd | Construction | 2016 |
| Gibson Property Developments Ltd | Construction | 2021 |
| Gibsons Sales PC | | 2017 |
| Gibstown Property Solutions Ltd | Real estate | 2025 |
| Gicleemasters Ltd | Manufacturing | 2011 |
| Giddy Homes Ltd | Real estate | 2024 |
| Giddycoms Ltd | Information & communication | 2022 |
| Gideon Dimerous Ltd | Wholesale & retail | 2014 |
| Gift Giant Limited | Wholesale & retail | 2024 |
| Gift of the Gabb Limited | Manufacturing | 2025 |
| Gift Transport Ltd | Transport & logistics | 2025 |
| Giftboxed Ltd | Wholesale & retail | 2020 |
| Gifted One Enterprise Ltd | Administrative & support | 2024 |
| Giftlicious Ltd | Professional & scientific | 2025 |
| Giftlookout Ltd | Administrative & support | 2019 |
| Gifts by Claire Limited | Wholesale & retail | 2014 |
| Gifts With Cariad Limited | Manufacturing | 2020 |
| Giftsense Limited | Wholesale & retail | 2014 |
| Giga Glitch Limited | Information & communication | 2025 |
| Giga Mart Ltd | Wholesale & retail | 2025 |
| Gigafit Limited | Information & communication | 2023 |
| Giggle Booth (Franchising) Limited | Administrative & support | 2012 |
| GIL Live Showband Ltd | Arts & recreation | 2018 |
| Gilan Trade PC | | 2014 |
| Gilani Property Ltd | Real estate | 2026 |
| Gilciasma Ltd | Professional & scientific | 2025 |
| Gilded Club Limited | Wholesale & retail | 2024 |
| Gilded Edge Ltd | Wholesale & retail | 2026 |
| Gilded ERA Ltd | Other services | 2025 |
| Gilded Tech Strategies Limited | Professional & scientific | 2025 |
| Gilfach Fargoed Fawr Farm Management Limited | Households | 2022 |
| Gilg Ltd | Other services | 2025 |
| Gilgamesh Sensors Ltd | Information & communication | 2023 |