| George 1 Transport Limited | Transport & logistics | 2018 |
| George DMO Ltd | Transport & logistics | 2026 |
| George Joyce Productions Ltd | Information & communication | 2022 |
| George Little House RTM Company Limited | Households | 2020 |
| George Orthodontics Limited | Health & social care | 2022 |
| George Smart Properties Ltd | Real estate | 2025 |
| George Utterson Electrical Ltd | Construction | 2011 |
| George Willis Limited | Construction | 2017 |
| Georgie Baker Consultancy Ltd | Administrative & support | 2018 |
| Georgys Ltd | Hospitality | 2025 |
| Geosea Ltd | Professional & scientific | 1998 |
| Geospace Survey Services Limited | Professional & scientific | 2017 |
| Geotranports Limited | Transport & logistics | 2023 |
| Geraldine Morley Interior Design Ltd | Professional & scientific | 2003 |
| Gerard Greenan Consulting Limited | Professional & scientific | 2018 |
| Gerdnis Ltd | Wholesale & retail | 2025 |
| German ALE Ltd | Hospitality | 2019 |
| German Auto Coding Ltd | Manufacturing | 2018 |
| German Beer Limited | Hospitality | 2022 |
| Gerrard Property Group Limited | Construction | 2026 |
| Gerrett Consultancy Limited | Professional & scientific | 2008 |
| Gertom Ltd | Hospitality | 2020 |
| Gerula Ltd | Transport & logistics | 2016 |
| GET Focused Solutions Limited | Other services | 2010 |
| GET Photoshoot Ready Ltd | Professional & scientific | 2023 |
| GET Pretty Fit Ltd | Wholesale & retail | 2022 |
| GET Social South Ltd | Information & communication | 2024 |
| GET Some Money Ltd | Professional & scientific | 2026 |
| GET Unified Ltd | Information & communication | 2014 |
| Getaccept Ltd | Information & communication | 2019 |
| Getaway Events Ltd | Administrative & support | 2025 |
| Getlandlords.Com Ltd | Professional & scientific | 2026 |
| GF Marine Services Limited | Professional & scientific | 2019 |
| GF Networks Ltd | Administrative & support | 2016 |
| GFS 8 Limited | Transport & logistics | 2022 |
| GGP Electrical Ltd | Construction | 2022 |
| GH Contracting Limited | Construction | 2015 |
| GH Links Ltd | Transport & logistics | 2025 |
| GH Property Management Services Limited | Professional & scientific | 2009 |
| GH Squared Limited | Professional & scientific | 2023 |
| GHA Equipment Limited | Administrative & support | 2015 |
| Ghazal by Najmeh Ltd | Hospitality | 2025 |
| GHE (BG) Limited | Real estate | 2024 |
| GHE (HI) Limited | Real estate | 2024 |
| GHE (RM) Limited | Real estate | 2024 |
| GHE (RS) Limited | Hospitality | 2017 |
| GHE (Sdcc) Limited | Real estate | 2024 |
| Gheddie Limited | Extraterritorial | 2016 |
| GHG Risk Services Ltd | Financial services | 1996 |
| GHG Solutions Ltd | Financial services | 1995 |
| GHL Engineering (Southern) Ltd | Manufacturing | 2011 |
| GHL Solutions Ltd | Administrative & support | 2019 |
| Ghost Small Nashville Ltd | Hospitality | 2026 |
| GHP South Ltd | Construction | 2017 |
| GHR Inns Limited | Hospitality | 2015 |
| GI Assets LLP | | 2016 |
| GI Clinic Investments Limited | Other services | 2016 |
| GI Clinic Limited | Health & social care | 2010 |
| GI Media Limited | Information & communication | 2018 |
| GIA Management Ltd | Real estate | 2023 |
| Giant Bumblebee Ltd | Financial services | 2021 |
| Giant-Arch Limited | Information & communication | 2022 |
| Gibs Construction Limited | Extraterritorial | 2023 |
| Gibson Security and Electrical Services Limited | Construction | 2022 |
| Gibson Surveyors Ltd | Construction | 2007 |
| Gicu PLM Ltd | Transport & logistics | 2019 |
| Gifford Tanser Limited | Professional & scientific | 2022 |
| Gift Club Limited | Extraterritorial | 2011 |
| Gifted Box Ltd | Wholesale & retail | 2024 |
| Gifts From Above Ltd | Wholesale & retail | 2017 |
| Giftsmagic Ltd | Wholesale & retail | 2025 |
| Gig-Victoria Ltd | Manufacturing | 2020 |
| Giggle Street Ltd | Arts & recreation | 2024 |
| Gigham Limited | Construction | 2011 |
| Gigiboo Limited | Professional & scientific | 2023 |
| Giinl Ltd | Wholesale & retail | 2023 |
| Gilbert & Sons Property Ltd | Real estate | 2025 |
| Gilbert Aviation Limited | Manufacturing | 2013 |
| Gilbert Aviation Technical Support Limited | Manufacturing | 2015 |
| Giles Services Ltd | Manufacturing | 2022 |
| Gill Brothers Properties Limited | Real estate | 1988 |
| Gill Engineering Limited | Extraterritorial | 1984 |
| Gill Movers Ltd | Wholesale & retail | 2026 |
| Gill UK Investments Ltd | Real estate | 2020 |
| Gill UK Property Services Limited | Real estate | 2018 |
| Gillett Engineering Services Limited | Professional & scientific | 2019 |
| Gilligans Brickwork Ltd | Construction | 2022 |
| Gilling Court (Hampstead) Limited | Real estate | 2003 |
| Gina Conway Salon Limited | Other services | 2005 |
| Ginger New Forest Ltd. | Hospitality | 2026 |
| Ginger Scripts Limited | Information & communication | 2015 |
| Ginksss Ltd | Real estate | 2026 |
| Gint Ltd | Transport & logistics | 2024 |
| GIO Couriers Ltd | Transport & logistics | 2019 |
| Giraffe Vision Limited | Professional & scientific | 2024 |
| Girls Network Technologies Ltd | Information & communication | 2026 |
| Giro Engineering Holdings Limited | Professional & scientific | 2008 |
| GIT Freight Limited | Transport & logistics | 2026 |
| GIT Haulage Limited | Transport & logistics | 2017 |
| GIUGNO15 Ltd | Administrative & support | 2015 |