| Glevum Capital Ltd | Financial services | 2024 |
| Glevum Carpets & Flooring Ltd | Wholesale & retail | 2022 |
| Glevum Ecology Ltd | Professional & scientific | 2026 |
| Glevum Fire Consultancy Ltd | Professional & scientific | 2024 |
| Glide Enterprises Ltd | Financial services | 2021 |
| Glide Media Limited | Professional & scientific | 1998 |
| Glide Removals Ltd | Transport & logistics | 2021 |
| Glkf 2022 Limited | Real estate | 2013 |
| Global 78 Limited | Professional & scientific | 2011 |
| Global Building Controls Limited | Construction | 1997 |
| Global Business Culture Holdings Limited | Financial services | 2025 |
| Global Conservatories Limited | Construction | 2002 |
| Global Development & Investment Ltd | Real estate | 2006 |
| Global Economic Forum Ltd | Information & communication | 2024 |
| Global Health Services Ltd | Professional & scientific | 2023 |
| Global Learning Systems Ltd | Information & communication | 1995 |
| Global Rally Adventures Ltd | Administrative & support | 2022 |
| Global Real Estate Management Limited | Hospitality | 2023 |
| Global Rugby Sevens Limited | Arts & recreation | 2013 |
| Global Sustainable Network Ltd. | Professional & scientific | 2024 |
| Globality UK Limited | Information & communication | 2016 |
| Globegain Limited | Other services | 1991 |
| Glos & Wilts Financial Planning Limited | Financial services | 2021 |
| Glos Homes 2.0 Ltd | Construction | 2022 |
| Glosbiz Limited | Other services | 2011 |
| Gloscabs Limited | Transport & logistics | 2024 |
| Glosfume Catalysts Ltd | Manufacturing | 2026 |
| Glosfume Limited | Manufacturing | 1994 |
| Glosfume Technologies Limited | Manufacturing | 1983 |
| Glosgynae Limited | Health & social care | 2015 |
| Glostech Limited | Information & communication | 2023 |
| Gloster Aviation Medicals Limited | Health & social care | 2013 |
| Gloucester & District Referee Society Ltd | Arts & recreation | 2016 |
| Gloucester Geospatial Ltd | Construction | 2005 |
| Gloucester Heating Spares Limited | Wholesale & retail | 2005 |
| Gloucester House Dental Practice Limited | Health & social care | 2006 |
| Gloucester Land Company Limited | Construction | 1961 |
| Gloucester Mixfeeds Limited | Wholesale & retail | 2009 |
| Gloucester Old Boys Rugby Club Limited | Other services | 2011 |
| Gloucester Property Maintenance Ltd | Real estate | 2019 |
| Gloucester Regen Capital Limited | Real estate | 2015 |
| Gloucester Sand & Gravel Limited | Extraterritorial | 2021 |
| Gloucester Sausage Company Limited | Manufacturing | 2003 |
| Gloucester Street Forge Ltd | Administrative & support | 2002 |
| Gloucestershire Accounting Ltd | Administrative & support | 2016 |
| Gloucestershire Animal Welfare Association and Cheltenham Animal Shelter | Agriculture & fishing | 1999 |
| Gloucestershire Association of Secondary School Leaders Limited | Education | 1993 |
| Gloucestershire Befriending Services Limited | Health & social care | 2019 |
| Gloucestershire Business Groups Limited | Extraterritorial | 2014 |
| Gloucestershire Catholic Educational Trust Ltd | Education | 1985 |
| Gloucestershire Cleaning Services Limited | Administrative & support | 2019 |
| Gloucestershire Design Review Panel Ltd | Professional & scientific | 2021 |
| Gloucestershire Eats Ltd | Information & communication | 2025 |
| Gloucestershire Energy Assessors Ltd | Administrative & support | 2023 |
| Gloucestershire Everyman Theatre Touring Company Ltd | Arts & recreation | 2019 |
| Gloucestershire Fencing Ltd | Other services | 2025 |
| Gloucestershire Film Unit Limited | Information & communication | 2003 |
| Gloucestershire Gateway Trust | Administrative & support | 2009 |
| Gloucestershire Gateway Trust (Operating) Limited | Administrative & support | 2009 |
| Gloucestershire Glazing and Bifolding Doors Ltd | Construction | 2024 |
| Gloucestershire Gloss Limited | Construction | 2011 |
| Gloucestershire Gloss Properties Limited | Real estate | 2024 |
| Gloucestershire Guild Limited | Other services | 2008 |
| Gloucestershire Hospitals Subsidiary Company Limited | Real estate | 2017 |
| Gloucestershire Learning Alliance | Education | 2011 |
| Gloucestershire Leisure Ltd | Manufacturing | 2024 |
| Gloucestershire Magician Ltd | Arts & recreation | 2019 |
| Gloucestershire Market Towns Forum | Other services | 2002 |
| Gloucestershire Nature and Climate Fund Limited | Professional & scientific | 2021 |
| Gloucestershire Plumbing and Heating Limited | Construction | 2014 |
| Gloucestershire Pride Events Limited | Professional & scientific | 2026 |
| Gloucestershire Property Maintenance Limited | Real estate | 2015 |
| Gloucestershire Urogynaecology Ltd | Education | 2019 |
| Gloucestershire Vintage Clocks & Watches Ltd | Other services | 2026 |
| Gloucestershire Yopa Limited | Real estate | 2020 |
| Glow London Limited | Professional & scientific | 2018 |
| Glow Tanning Cotswolds Ltd | Other services | 2024 |
| Glynbridge Gardens Management Company Limited | Households | 1975 |
| GM (Cheltenham) Ltd | Wholesale & retail | 2012 |
| GM Consultancy Services Ltd | Information & communication | 2019 |
| GM Decorating Services Limited | Construction | 2003 |
| GM Psychology Ltd | Health & social care | 2023 |
| Gmadv Property One Limited | Construction | 2024 |
| Gmatt Accountancy Ltd | Professional & scientific | 2025 |
| GML Global Trading Limited | Professional & scientific | 2001 |
| GMP Land Investments Limited | Real estate | 2025 |
| GMR Property Investments Limited | Real estate | 2022 |
| Gmtoys Limited | Wholesale & retail | 2013 |
| Go Accessible Transport Ltd | Transport & logistics | 2002 |
| Go Climate Positive Limited | Professional & scientific | 2018 |
| Go Dolphin Consulting Ltd. | Professional & scientific | 2017 |
| Go FLY Aviation Ltd | Transport & logistics | 2021 |
| Go JO Limited | Transport & logistics | 2017 |
| Go Soft Technologies Ltd | Information & communication | 2024 |
| Go Solo Limited | Education | 2011 |
| Go Vehicle Services Ltd | Wholesale & retail | 2013 |
| Go Wild Flowers Limited | Wholesale & retail | 2021 |
| Goalstar Games Ltd | Information & communication | 2020 |
| Gobey Productions Ltd | Professional & scientific | 2024 |
| Goblin Tribe Games Ltd | Information & communication | 2025 |