| Grovely Business Solutions Limited | Professional & scientific | 2010 |
| Groves Ideal Solutions Ltd | Construction | 2015 |
| Groves Parker Limited | Information & communication | 2023 |
| Grovestar Investments Limited | Real estate | 2015 |
| Grow Communications Limited | Professional & scientific | 2015 |
| Grow POP Ltd | Wholesale & retail | 2025 |
| Grow Room Fitness Centre Ltd | Arts & recreation | 2018 |
| Grow With Jazz Ltd | Other services | 2023 |
| Growagility Limited | Information & communication | 2009 |
| Growers Garden U.K Ltd | Wholesale & retail | 2023 |
| Growf Ltd | Professional & scientific | 2022 |
| Growfresh (Valencia) Limited | Wholesale & retail | 2005 |
| Growing Futures UK C.I.C. | Education | 2016 |
| Grown Studio Somerset Ltd | Wholesale & retail | 2021 |
| Growth Department Group Limited | Professional & scientific | 2023 |
| Growth Space Collective Ltd | Professional & scientific | 2008 |
| Growthwise Property Group Limited | Households | 2023 |
| Growthwithyoutube Limited | Information & communication | 2026 |
| Growx Ltd | Administrative & support | 2023 |
| GRP Investments Limited | Real estate | 2018 |
| GRS (Bristol) Limited | Information & communication | 2012 |
| GRS Building & Construction Ltd | Construction | 2014 |
| GRT Services Ltd | Professional & scientific | 2006 |
| Grucha PT Ltd | Health & social care | 2022 |
| Gruren Consulting Limited | Financial services | 2025 |
| Gryphon Academy Ltd | Extraterritorial | 2023 |
| Gryphon Safety and Security Ltd | Extraterritorial | 2019 |
| Grzegorz Draus Ltd. | Manufacturing | 2017 |
| GS Accounting & Bookkeeping Ltd | Professional & scientific | 2023 |
| GS Bricklaying (Bristol) Ltd | Construction | 2022 |
| GS Carpentry & Building Ltd | Construction | 2023 |
| GS Curarx Advisory Ltd | Wholesale & retail | 2026 |
| GS Flooring & Tiling Limited | Construction | 2016 |
| GS Personalised Gifts and Cards Ltd | Wholesale & retail | 2024 |
| GS3 Rehoboth Ventures Ltd | Real estate | 2023 |
| GSA Civil Engineering Limited | Construction | 2025 |
| GSC Events Limited | Administrative & support | 2009 |
| GSC Patary Ltd | Transport & logistics | 2024 |
| GSD Works Ltd | Hospitality | 2019 |
| Gseditor Ltd | Information & communication | 2014 |
| GSG Healthcare Limited | Administrative & support | 2015 |
| GSH Lettings Ltd | Real estate | 2017 |
| GSJ - the Feathers Ltd | Hospitality | 2025 |
| GSJ Autos Ltd | Wholesale & retail | 2025 |
| GSJ Solutions Ltd | Wholesale & retail | 2016 |
| Gsjm Sports Limited | Education | 2006 |
| GSK Motors Ltd | Wholesale & retail | 2019 |
| GSL (AH) Ltd | Real estate | 2022 |
| GSL Services (Bristol) Limited | Construction | 2025 |
| Gsmotion Limited | Information & communication | 2015 |
| GSN19 Ltd | Wholesale & retail | 2019 |
| GSP Coaching Limited | Education | 2009 |
| GSP Projects Ltd | Professional & scientific | 2025 |
| GSQ Services Ltd | Wholesale & retail | 2024 |
| GSS Haulage Ltd | Transport & logistics | 2015 |
| Gss-Global Screen Solutions Limited | Administrative & support | 2004 |
| GST Food & Wine Limited | Wholesale & retail | 2025 |
| Gsteenson Limited | Arts & recreation | 2014 |
| Gstreamer Foundation | Information & communication | 2016 |
| Gsts Consulting Ltd | Professional & scientific | 2026 |
| GT Bathrooms & Boilers Limited | Construction | 2018 |
| GT Collinson Limited | Construction | 2024 |
| GT Consulting Engineers Ltd | Professional & scientific | 2021 |
| GT Explorer Ltd | Wholesale & retail | 2021 |
| GT HGV Ltd. | Transport & logistics | 2015 |
| GT Home Investments Ltd | Real estate | 2019 |
| GT Plumbing Heating Ltd | Construction | 2014 |
| GT Services (Bristol) Ltd | Transport & logistics | 2025 |
| GT Steelwork Limited | Manufacturing | 2025 |
| GTB Management Ltd | Construction | 2020 |
| GTD Construction Ltd | Extraterritorial | 2024 |
| GTD Investments Ltd | Real estate | 2026 |
| GTG Consulting Limited | Professional & scientific | 2020 |
| GTI Commercial Services Limited | Wholesale & retail | 2023 |
| GTI Earthworks Limited | Construction | 2026 |
| GTI Plant Holdings Limited | Administrative & support | 2023 |
| GTI Stone Supplies Limited | Wholesale & retail | 2023 |
| GTI Transport Ltd | Transport & logistics | 2017 |
| GTL Holdings Limited | Financial services | 2025 |
| GTR Barber Co. Limited | Other services | 2017 |
| GTS Building Contractors Ltd | Construction | 2025 |
| GTS Plumbing & Heating Limited | Construction | 2001 |
| GTT Developments (Cheltenham) Ltd | Construction | 2016 |
| Guaico Ltd | Other services | 2021 |
| Guanxi Creative Ltd | Information & communication | 2022 |
| Guaranteed Games Ltd | Information & communication | 2023 |
| Guardian Angel Security Limited | Administrative & support | 2016 |
| Guardian Compass Limited | Information & communication | 2025 |
| Guardian Hygiene Services Limited | Professional & scientific | 2004 |
| Guardian Range Ltd | Administrative & support | 2009 |
| Guardian Security (GB) Limited | Construction | 2011 |
| Guardians of the Grandmas CIC | Education | 2026 |
| Guardops Limited | Information & communication | 2026 |
| Guardstone Ltd | Construction | 2025 |
| Gudaar Investments Limited | Real estate | 1998 |
| Guerrilla Brewing Company Ltd | Manufacturing | 2018 |
| Guerrilla PUB Company (Freehold) Ltd | Hospitality | 2024 |
| Guerrilla PUB Company Ltd | Hospitality | 2007 |
| Guess the Enis Limited | Wholesale & retail | 2024 |
| Guest Posts Ltd | Professional & scientific | 2023 |