| Gentrade International Limited | Wholesale & retail | 2020 |
| Genuine Autos (MCR) Limited | Wholesale & retail | 2026 |
| Genuine Futures CIC | Education | 2023 |
| GEO Sourcing Ltd | Professional & scientific | 2024 |
| Geohn Developments Limited | Financial services | 2014 |
| Geohn Estates (Haydock) Limited | Professional & scientific | 2022 |
| Geohn Estates (Normanton) Limited | Real estate | 2020 |
| Geohn Estates Limited | Real estate | 2013 |
| Geohn Group Limited | Financial services | 2014 |
| George Ambrose Property Limited | Real estate | 2014 |
| George COX Limited | Construction | 2015 |
| George Grace Group Limited | Financial services | 2018 |
| George Grace Joinery Limited | Construction | 2016 |
| George Grace Property Limited | Real estate | 2019 |
| George Holliday Flooring Ltd | Construction | 2023 |
| George&Sons Electric Cervices Ltd | Construction | 2025 |
| George's Cocktail Bar Ltd | Hospitality | 2025 |
| George's Tanking Bromsgrove Ltd | Transport & logistics | 2023 |
| Georgi Trans Limited | Transport & logistics | 2017 |
| Georgian Estates & Development Limited | Real estate | 1996 |
| Geotechfirst Limited | Information & communication | 2018 |
| German Doner Ltd | Hospitality | 2025 |
| German Kitchen Projects Ltd | Wholesale & retail | 2010 |
| German Motor Works Limited | Wholesale & retail | 2016 |
| GET Claims Advice Ltd | Other services | 2014 |
| GET Custom Homes Ltd | Real estate | 2025 |
| GET Into Ltd | Professional & scientific | 2026 |
| GET IT Solved Ltd | Information & communication | 2011 |
| GET Moving Physio Ltd | Health & social care | 2021 |
| GET Quick Click Ltd | Wholesale & retail | 2024 |
| GET SET Go Leisure Ltd | Arts & recreation | 2023 |
| GET Yours Ltd | Wholesale & retail | 2024 |
| GF Property Holdings Limited | Real estate | 2015 |
| GF Transport Services Limited | Transport & logistics | 2022 |
| GFK - Gluten Free Kitchen Limited | Hospitality | 2024 |
| GG27 Ltd | Wholesale & retail | 2024 |
| GGB Elec Services Ltd | Construction | 2019 |
| GGB Properties Ltd | Real estate | 2020 |
| GGB Technical Consulting Ltd | Professional & scientific | 2021 |
| GGO Services Limited | Information & communication | 2024 |
| GGW Properties Limited | Real estate | 2021 |
| Ggwp Ltd | Real estate | 2021 |
| GH Mortgages Ltd | Financial services | 2022 |
| Ghaamedica Limited | Health & social care | 2025 |
| Ghakhar Travels Ltd | Transport & logistics | 2018 |
| Ghalib Ltd | Wholesale & retail | 2018 |
| Ghantric Digital UK Ltd | Information & communication | 2023 |
| Ghaurie Global Ltd | Wholesale & retail | 2025 |
| Ghazale Ltd | Wholesale & retail | 2025 |
| GHJ Group Ltd | Construction | 2025 |
| GHO Engineering Ltd | Professional & scientific | 2013 |
| Ghost Intel UK Ltd | Information & communication | 2026 |
| Ghufran Group Ltd | Health & social care | 2025 |
| Ghulam Abass Fedayee Ltd. | Transport & logistics | 2016 |
| Ghuroob OUD Limited | Manufacturing | 2023 |
| GIA Consultancy Limited | Administrative & support | 2021 |
| Gianetto Electrical Services Ltd | Manufacturing | 2018 |
| Giant Size Holdings Ltd | Financial services | 2025 |
| Giant Size Media Limited | Professional & scientific | 2015 |
| Gibbon Communications Ltd | Construction | 2017 |
| Gibbon Street Garage Ltd | Wholesale & retail | 2026 |
| Gibbs Brothers Properties Limited | Real estate | 2017 |
| Gibson Architectural Limited | Construction | 2000 |
| Gibson Global Solutions Ltd | Transport & logistics | 2023 |
| Gidea Park Ironing Services Ltd | Other services | 2026 |
| Giftcouk Ltd | Wholesale & retail | 2023 |
| Giftfrogs Ltd | Wholesale & retail | 2025 |
| Gifting Sorted Limited | Wholesale & retail | 2021 |
| Gifts by Gaynor Limited | Wholesale & retail | 2024 |
| Gigarock Limited | Information & communication | 2023 |
| Gigglers Day Nursery Limited | Education | 2012 |
| Giggles & Glam Ltd | Health & social care | 2026 |
| Gigzter Limited | Information & communication | 2016 |
| Gilbert Contracting Limited | Construction | 2020 |
| Gilbey Ross Associates Limited | | 1980 |
| Gill Hewitson Limited | Wholesale & retail | 2009 |
| Gillnov Ltd | Wholesale & retail | 2026 |
| Gillygate STL Limited | Hospitality | 2018 |
| Gillys Antiques Ltd | Wholesale & retail | 2025 |
| Gillys Yard Ltd | Professional & scientific | 2014 |
| Gilmourbanks Limited | Health & social care | 1994 |
| Gilnow Motors Limited | Wholesale & retail | 2026 |
| Gilnow Property Ltd | Real estate | 2020 |
| Gilt Edge Trading Limited | Information & communication | 2019 |
| Gimbal Gurus Limited | Information & communication | 2024 |
| Gimelgold Ltd | Information & communication | 2023 |
| GIN Based Art Limited | Professional & scientific | 2014 |
| Ginamex Ltd | Health & social care | 2022 |
| Ginge Hairz Hair & Beauty Salon Limited | Other services | 2013 |
| Ginge Investments Limited | Financial services | 2025 |
| Ginger BIT Limited | Information & communication | 2025 |
| Ginger Cat Cyber Security Limited | Information & communication | 2024 |
| Ginger FOX Ltd | Arts & recreation | 2018 |
| Gingerbread & Brownies Ltd | Manufacturing | 2025 |
| Gingercat Homes Ltd | Construction | 2025 |
| Giraffe Flowers Limited | Administrative & support | 2014 |
| Giri Holdings Limited | Administrative & support | 2008 |
| Girl Fashion Wholesale Limited | Wholesale & retail | 2024 |
| Girl Friday Consulting Limited | Professional & scientific | 2011 |
| Girl Untitled Limited | Information & communication | 2018 |