| Grassroot Communities CIC | Other services | 2017 |
| Grassroots Food Ltd. | Agriculture & fishing | 1999 |
| Grassroots Rising C.I.C. | Arts & recreation | 2025 |
| Grassroots Venues Group Ltd | Hospitality | 2025 |
| Grassroutes Limited | Other services | 1985 |
| Gratitude Skateshop Ltd | Wholesale & retail | 2022 |
| Gratitude World Limited | Transport & logistics | 2020 |
| Grave Clean Limited | Administrative & support | 2023 |
| Graveney Consulting Limited | Administrative & support | 2002 |
| Gravepage Ltd | Extraterritorial | 2025 |
| Gravita Audit Western Limited | Professional & scientific | 2006 |
| Gravita Western I Limited | Professional & scientific | 2017 |
| Gravita Western Limited | Professional & scientific | 2006 |
| Gravitational Ltd | Information & communication | 2026 |
| Gravity Immersio Ltd | Information & communication | 2025 |
| GRAVITY2814 Ltd | Health & social care | 2022 |
| Gravvity Ltd | Professional & scientific | 2026 |
| Gravy Mercedes Ltd | Arts & recreation | 2020 |
| Gravy TV Ltd | Information & communication | 2024 |
| Gray and Gray Architects Ltd | Professional & scientific | 2016 |
| Gray Edwards Orthopaedics Ltd | Health & social care | 2022 |
| Gray Hume Holdings Limited | Real estate | 2020 |
| Gray Matter Matters Limited | Health & social care | 2010 |
| Grays Holdings Limited | Real estate | 2022 |
| Grays Servicing Ltd | Construction | 2022 |
| Grays Transport (Bristol) Ltd | Transport & logistics | 2022 |
| Grayscale Architecture Limited | Professional & scientific | 2007 |
| Grayshield Consultancy Ltd | Professional & scientific | 2026 |
| Grayson Construction Services Limited | Administrative & support | 2016 |
| Grayson Consultants Ltd | Administrative & support | 2012 |
| Grayt Ideas Ltd | Professional & scientific | 2012 |
| Graza Holdings Ltd | Financial services | 2024 |
| GRB Change Management Ltd | Administrative & support | 2015 |
| Grbs Sdtt Limited | Financial services | 2020 |
| GRC (Legal Services) Limited | Administrative & support | 2004 |
| GRC Digital Ltd | Professional & scientific | 2026 |
| GRC Fabrication Limited | Construction | 2023 |
| GRC Health Group Ltd | Public administration | 2025 |
| Great American Europe Limited | Financial services | 2018 |
| Great American Holding (Europe) Limited | Financial services | 2018 |
| Great American International Insurance (UK) Limited | Financial services | 1992 |
| Great Bear Apparel Limited | Wholesale & retail | 2021 |
| Great Bristol Vehicle Leasing Ltd | Wholesale & retail | 2005 |
| Great British Talent Limited | Information & communication | 2014 |
| Great Eastern Enterprises Ltd | Other services | 2025 |
| Great Expectations Day Nursery Limited | Health & social care | 2014 |
| Great Gadgets Limited | Wholesale & retail | 2013 |
| Great George Street Properties Limited | Construction | 2016 |
| Great Geotechnical Services Limited | Construction | 2025 |
| Great Gransden Trading Limited | Manufacturing | 1964 |
| Great Lakes Dredge & Dock (UK) Limited | Professional & scientific | 2023 |
| Great Oaks (Yate) Management Company Limited | Households | 2023 |
| Great Patient Care Limited | Health & social care | 2011 |
| Great Rhino Construction Limited | Construction | 2015 |
| Great Scott Properties Ltd | Real estate | 2020 |
| Great State Limited | Extraterritorial | 2018 |
| Great Training Group Limited | Education | 2024 |
| Great Vision Films Ltd | Information & communication | 2012 |
| Great Western Air Ambulance Charity | Health & social care | 2007 |
| Great Western IT Ltd | Professional & scientific | 2010 |
| Great Western Recycling Limited | Water & waste | 2012 |
| Great Western Regional Capital Limited | Real estate | 2016 |
| Great Western Renovations Limited | Real estate | 2020 |
| Great Western Rentals Limited | Administrative & support | 2007 |
| Greatbanks Capital Limited | Financial services | 2022 |
| Greatbear Audio & Video Digitising Ltd | Information & communication | 2011 |
| Greater Grace House Ministries | Other services | 2015 |
| Greater MAN Film Ltd | Information & communication | 2025 |
| Greater Union Limited | Professional & scientific | 1997 |
| Greatest Roofing Ltd | Administrative & support | 2025 |
| Greatful Care Ltd | Health & social care | 2020 |
| Greatneed Limited | Hospitality | 2000 |
| Greatwood Jenkins Ltd | Wholesale & retail | 2010 |
| Grebmorf Solutions Ltd | Information & communication | 2020 |
| Grecomedica Limited | Wholesale & retail | 2022 |
| Greek Delight Bristol Limited | Hospitality | 2024 |
| Greek Food on Wheels Ltd | Hospitality | 2024 |
| Greek Island Group Ltd | Hospitality | 2025 |
| Greek Pitta House Ltd | Hospitality | 2023 |
| Greek Point Events Ltd | Hospitality | 2026 |
| Greek Wraps Ltd | Hospitality | 2024 |
| Green & Sons Waste Management Ltd | Water & waste | 2023 |
| Green & Thomas Consulting Ltd | Professional & scientific | 2022 |
| Green Acorn Holiday Homes Ltd | Hospitality | 2015 |
| Green Acorn Property Bristol Ltd | Real estate | 2014 |
| Green Acorn Property Ltd | Households | 2012 |
| Green Africa Hub Ltd | Hospitality | 2026 |
| Green Air Heat Pumps Ltd | Construction | 2007 |
| Green Ball Sustainability Limited | Professional & scientific | 2018 |
| Green Bear Landscaping Ltd. | Administrative & support | 2016 |
| Green Beret Lane Limited | Real estate | 2022 |
| Green Biofuels Limited | Wholesale & retail | 2013 |
| Green Building Services Limited | Construction | 2017 |
| Green Capital Limited | Financial services | 2022 |
| Green Chameleon Ltd | Information & communication | 2020 |
| Green Christmas Trees Ltd | Wholesale & retail | 2020 |
| Green Consulting GB Limited | Professional & scientific | 2009 |
| Green Conversion Limited | Extraterritorial | 2011 |
| Green Cube Infosystems Ltd | Information & communication | 2016 |
| Green Cubed Ltd | Information & communication | 2014 |