| G T Consulting Solutions Limited | Professional & scientific | 2014 |
| G&J Geoenvironmental Consultants Ltd | Water & waste | 2013 |
| G&W Properties Limited | Financial services | 2013 |
| G. Collin & SON Limited | Other services | 1999 |
| G. Q. T. Consultancy Limited | Professional & scientific | 2024 |
| G.A.T. Energy Limited | Construction | 1997 |
| G.E.Recycled Aggregates Limited | Construction | 2018 |
| G.J. Harvey Limited | Professional & scientific | 2001 |
| G.R.Gardner (Asfordby) Limited | Manufacturing | 1970 |
| Gadhia Homes Ltd | Real estate | 2011 |
| Galen Healthcare Limited | Extraterritorial | 1996 |
| Galen Rhodes Ltd | Extraterritorial | 1992 |
| GALLERY119 Cafe Limited | Hospitality | 2021 |
| GALLERY119 Limited | Wholesale & retail | 2020 |
| Gallerywood Ltd | Arts & recreation | 2025 |
| Gambit Consultancy Services Ltd | Professional & scientific | 2012 |
| Game on Lock Ltd | Wholesale & retail | 2023 |
| Gaming Co OP Ltd | Information & communication | 2020 |
| Gaming Giants Ltd | Other services | 2024 |
| Gammaplan Ltd | Professional & scientific | 2019 |
| Ganda J Group Ltd | Financial services | 2019 |
| GAP Roofing (Midlands) Limited | Construction | 2010 |
| Garat Developments Ltd | Construction | 2018 |
| Garats HAY Management Ltd | Households | 2024 |
| Gardner Electrical Limited | Construction | 2022 |
| Gardner Global Limited | Information & communication | 2014 |
| Gardner James LLP | | 2012 |
| Gardner Way Management Company Limited | Households | 2014 |
| Garendon Engineering Ltd | Professional & scientific | 2025 |
| Gary Barber Consulting Limited | Extraterritorial | 2016 |
| Gary Hollingworth Transport Limited | Transport & logistics | 2011 |
| GAS Link (Midlands) Ltd | Construction | 2016 |
| Gateway Finishers Limited | Manufacturing | 2001 |
| Gatsby Ltd | Wholesale & retail | 2014 |
| Gaucho STU Ltd | Hospitality | 2024 |
| GB & Overseas Educational Consulting Ltd | Education | 2013 |
| GB 365 Limited | Hospitality | 2019 |
| GB Decorating and Refurbishments Limited | Construction | 2017 |
| GB Painting Ltd | Construction | 2018 |
| GBK Consultancy Ltd | Professional & scientific | 2017 |
| GBL Performance Limited | Arts & recreation | 2021 |
| GC Landscape Management Ltd | Administrative & support | 2007 |
| GCL Hopkins Limited | Construction | 2009 |
| Gclm DEP Ltd | Administrative & support | 2024 |
| GCP (UK) Holdings Limited | Professional & scientific | 2015 |
| GCP Products (UK) Limited | Professional & scientific | 1997 |
| GCV Construct Ltd | Construction | 2025 |
| Geary's Bakeries Holdings Limited | Financial services | 2019 |
| Geary's Bakeries Limited | Manufacturing | 1985 |
| GEE & TEE Property Limited | Real estate | 2024 |
| GEE Specialty Chemicals Ltd | Wholesale & retail | 2022 |
| Geek Genie Limited | Wholesale & retail | 2019 |
| Geko BG Ltd. | Professional & scientific | 2015 |
| Gemaro FIC | Financial services | 2020 |
| Gemini Welding & Fabrication Ltd | Construction | 2022 |
| Gemiway Ltd | Wholesale & retail | 2025 |
| Gempay Limited | Financial services | 2025 |
| Genera-Tions Production Limited | Other services | 2026 |
| Generate X Fitness Ltd | Arts & recreation | 2025 |
| GEO Hill (Grocers) Limited | Wholesale & retail | 1931 |
| GEO Trans 2026 Ltd | Transport & logistics | 2026 |
| Geoff Harvey Limited | Professional & scientific | 2001 |
| Geomatic Installations Ltd | Wholesale & retail | 2024 |
| George Bond Limited | Real estate | 2021 |
| George FOX Cufflinks Ltd | Manufacturing | 2024 |
| George H Walton Ltd | Professional & scientific | 2026 |
| George Hicks & Sons Limited | Construction | 2002 |
| George Stephens Limited | Extraterritorial | 2017 |
| George Varney (Bulk Services) Limited | Transport & logistics | 1975 |
| Georgie RAE Hair Ltd | Other services | 2026 |
| Germanischer Lloyd Industrial Services Holdings (UK) Limited | Professional & scientific | 2007 |
| Getabooking Ltd | Information & communication | 2025 |
| Getyouonline.Co.Uk Limited | Information & communication | 2005 |
| GFM23 Limited | Arts & recreation | 2015 |
| Gftuet Trading Company Limited | Hospitality | 2012 |
| GG Live Streams Ltd | Wholesale & retail | 2021 |
| Ggrip Ltd | Wholesale & retail | 2020 |
| GH Construction Projects Limited | Construction | 2025 |
| Ghaly Medical Ltd | Health & social care | 2019 |
| GHP Services Limited | Construction | 1997 |
| Gibbs Electrical & Maintenance Limited | Construction | 2025 |
| Gilliver's Plumbers and Construction Ltd | Other services | 2014 |
| Gin's Car Care Limited | Wholesale & retail | 2011 |
| GIO Style Limited | Transport & logistics | 2017 |
| Giovanni Gallery Limited | Professional & scientific | 2022 |
| GIS Couriers Limited | Transport & logistics | 2019 |
| Giulyo Transport Ltd | Transport & logistics | 2023 |
| GJ Coffee Shop Ltd | Hospitality | 2016 |
| GJF Telecom Ltd | Information & communication | 2025 |
| GL Industrial Services UK Ltd | Professional & scientific | 1996 |
| Glacèfroid Sales and Marketing Ltd | Professional & scientific | 2025 |
| Gladwyn's Limited | Real estate | 1993 |
| Glamma Stylez Ltd | Wholesale & retail | 2025 |
| Glass Wall Films Ltd | Information & communication | 2022 |
| GLE Limited | Financial services | 2021 |
| Glebe House (Charnwood) Limited | Health & social care | 1992 |
| Glemjar (Properties) Limited | Real estate | 2003 |
| Glen Holman Ltd | Professional & scientific | 2018 |
| Glenn Lewin Butchers Limited | Wholesale & retail | 2002 |
| Glenncraig Ltd | Real estate | 2019 |