| Green & Scarlet Ltd | Professional & scientific | 2023 |
| Green and Black Developments Ltd | Real estate | 2016 |
| Green and Glass Ltd | Construction | 2026 |
| Green Avenue Ltd | Households | 2005 |
| Green City IT Limited | Information & communication | 2007 |
| Green Energy Power House Ltd | Financial services | 2025 |
| Green Farm Management Co (Gloucester) Limited | Real estate | 2001 |
| Green Funnel Limited | Professional & scientific | 2026 |
| Green Future Architects Ltd | Professional & scientific | 2023 |
| Green Futures Limited | Professional & scientific | 2008 |
| Green Home Insulation Services Limited | Manufacturing | 2019 |
| Green Homes Construction Limited | Construction | 2025 |
| Green Homes Gloucestershire Ltd | Construction | 2021 |
| Green Light Scooters Ltd | Wholesale & retail | 2022 |
| Green Lofts and Ladders Ltd | Construction | 2023 |
| Green Monkey Group Limited | Wholesale & retail | 2026 |
| Green NET Zero Limited | Professional & scientific | 2022 |
| Green Rhombus Ltd | Information & communication | 2020 |
| Green Sheep Monopoly Limited | Real estate | 2026 |
| Green Shoots Property Management Limited | Real estate | 2021 |
| Green Software Consultancy Limited | Information & communication | 2018 |
| Green Stead Developments Limited | Construction | 2024 |
| Green Stead Holdings Limited | Financial services | 2024 |
| Green Suit Limited | Professional & scientific | 2023 |
| Green Worx Construction Ltd | Construction | 2021 |
| Green Worx Property Ltd | Real estate | 2022 |
| Green Yurts Ltd | Hospitality | 2011 |
| Greenbriars Management Company Limited | Households | 1994 |
| Greenbud Limited | Professional & scientific | 2005 |
| Greenfield Drew Ltd | Real estate | 2022 |
| Greenfields Properites Ltd | Real estate | 2022 |
| Greenford Strategic Property Limited | Real estate | 2007 |
| Greengate Environmental Limited | Professional & scientific | 2020 |
| Greenleaf Treatments (Bham) Ltd | Other services | 2016 |
| Greenleaves Projects Limited | Wholesale & retail | 1998 |
| Greenoak Building Services Ltd | Construction | 2011 |
| Greenoak Developments (Cotswolds) Ltd | Construction | 2021 |
| Greenquay Flat Management Limited | Households | 1997 |
| Greens Dental Laboratory Limited | Health & social care | 1999 |
| Greensall Motorsport Ltd | Arts & recreation | 2012 |
| Greenstripe AMP Solutions Limited | Wholesale & retail | 2025 |
| Greentech Design Ltd | Professional & scientific | 2021 |
| Greentree Bookings Limited | Real estate | 2010 |
| Greenvista Constructions Ltd. | Construction | 2025 |
| Greenvista Developments Ltd. | Construction | 2023 |
| Greenway Tree Care Ltd | Agriculture & fishing | 2018 |
| Greepers Limited | Wholesale & retail | 2007 |
| Greet Building Services Limited | Construction | 1985 |
| Gregwork Ltd | Construction | 2014 |
| Greville Collection (Cheltenham) Management Company Limited | Households | 2002 |
| Greville House (Cheltenham) Management Limited | Households | 2003 |
| Greville Reversion Limited | Households | 2003 |
| Grey BEE Ltd | Professional & scientific | 2019 |
| Grey Real Estate Ltd | Construction | 2024 |
| Greydoor Holdings Ltd | Real estate | 2018 |
| Greyfort Design Limited | Professional & scientific | 2016 |
| Greyhound Partners Limited | Professional & scientific | 2010 |
| Greylag Consultancy Limited | Professional & scientific | 2010 |
| Greylight Studio Limited | Professional & scientific | 2025 |
| Greyspace Protect Ltd | Information & communication | 2022 |
| Greystone Lodge Management Company Limited | Households | 1984 |
| Greystones Property Developments Ltd | Real estate | 2021 |
| Greystones Property Group Limited | Construction | 2024 |
| Greystones Property Rentals Ltd | Real estate | 2013 |
| Grid IT Limited | Information & communication | 2009 |
| Grid Stability Services Ltd | Energy | 2026 |
| Griffin Court (Stow) Management Limited | Administrative & support | 1999 |
| Griffin Properties (Cheltenham) Ltd | Real estate | 2013 |
| Griffin Software Ltd | Information & communication | 2008 |
| Griggs Family Investments Limited | Professional & scientific | 2022 |
| Griggs Ltd | Information & communication | 2011 |
| Grimshaw Kinnear Limited | Construction | 1947 |
| GRM European Ltd | Professional & scientific | 2026 |
| GRO Profit First Accountants Ltd | Professional & scientific | 2013 |
| Groenewegen Ltd | Information & communication | 2020 |
| Gromax Industries Limited | Agriculture & fishing | 2005 |
| Gromit Electronics Limited | Professional & scientific | 2011 |
| Grooming Products Ltd | Wholesale & retail | 2019 |
| Grosvenor Cavendish Limited | Real estate | 2019 |
| Grosvenor Residential Lettings Ltd | Real estate | 2012 |
| Group Yeah Holdings Ltd | Financial services | 2024 |
| Grove Manor Consulting Limited | Professional & scientific | 2014 |
| Grove Productions Ltd | Arts & recreation | 2023 |
| Grove Theatre Productions Ltd | Arts & recreation | 2025 |
| Grovefield Car Parking Limited | Construction | 2008 |
| Grovefield Management Company Limited | Real estate | 2012 |
| Groves Batteries Limited | Wholesale & retail | 2006 |
| Groves Building Services Limited | Construction | 2019 |
| Groves Properties (Cheltenham) Limited | Real estate | 2022 |
| Groves Star Security Limited | Professional & scientific | 2017 |
| Grow for Good Causes CIC | Wholesale & retail | 2026 |
| Grow Smart Ltd | Professional & scientific | 2018 |
| Growmagination Limited | Manufacturing | 2023 |
| GRS (EOT) Limited | Administrative & support | 2020 |
| GRS (Holdings) Limited | Education | 2014 |
| Grump Creative Ltd | Professional & scientific | 2025 |
| Gryffindor Press Limited | Information & communication | 2011 |
| GSC Decorators Limited | Construction | 2015 |
| GST Property Developments Limited | Construction | 2020 |
| GT Laser Ltd | Manufacturing | 2016 |