| Grcc Ltd | Extraterritorial | 2023 |
| Grcc Solutions Ltd | Other services | 1999 |
| Great Eastcombe Estates Limited | Hospitality | 2003 |
| Great Northern Copywriting Limited | Manufacturing | 2022 |
| Greater Works Ltd | Information & communication | 2011 |
| Greater Works Properties Ltd | Real estate | 2021 |
| Greek on the Docks Limited | Hospitality | 2015 |
| Green Action CIC | Other services | 2022 |
| Green Car Clinic Limited | Wholesale & retail | 2012 |
| Green Chauffering Service Ltd | Transport & logistics | 2013 |
| Green Cleaner L Limited | Administrative & support | 2025 |
| Green Electrical Solutions Ltd | Construction | 2024 |
| Green Environmental Health Consultancy Ltd | Professional & scientific | 2024 |
| Green Lemon Healthcare Limited | Health & social care | 2024 |
| Green Planning Associates Limited | Administrative & support | 2014 |
| Green Property Consultancy Ltd | Real estate | 2023 |
| Green Ridge Wines Ltd | Manufacturing | 2014 |
| Green Risk Assessment Ltd | Professional & scientific | 2012 |
| Green Shoots Psychology Limited | Health & social care | 2021 |
| Green Spaces Group Limited | Financial services | 2024 |
| Green Street Motors Ltd | Wholesale & retail | 2022 |
| Green Wave Consulting Limited | Professional & scientific | 2023 |
| Greenbank Assets Limited | Real estate | 2025 |
| Greencroft Farms Management Company Limited | Households | 2026 |
| Greener Clean UK Limited | Administrative & support | 2020 |
| Greenfields Garden Services Limited | Construction | 1996 |
| Greenfood Gloucester Limited | Hospitality | 2024 |
| Greengate Fruit Trees Limited | Agriculture & fishing | 2024 |
| Greenhat Development Limited | Professional & scientific | 2011 |
| Greenhat Studios Ltd | Wholesale & retail | 2019 |
| Greenhill Coffee Roasters Limited | Wholesale & retail | 2016 |
| Greenhills Restorations Ltd | Manufacturing | 2003 |
| Greenland Financial Planning Limited | Administrative & support | 2004 |
| Greenleaf Restaurant Limited | Hospitality | 2019 |
| Greenstone Pest Control Ltd | Agriculture & fishing | 2014 |
| Greentec Equipment Limited | Administrative & support | 2019 |
| Greenthink Ltd | Administrative & support | 2018 |
| Greenway Environmental Solutions Ltd | Professional & scientific | 2019 |
| Greenway Softwashing Limited | Administrative & support | 2021 |
| Greenwood's Therapeutic Horticulture Community Interest Company | Education | 2009 |
| Greeves Motorsport Limited | Other services | 2022 |
| Greg Gibson Consultants Limited | Professional & scientific | 2012 |
| Greg Hebda Limited | Information & communication | 2019 |
| Greg Stafford Limited | Construction | 2006 |
| Gregian Ltd | Wholesale & retail | 2012 |
| Greyfish Consulting Ltd | Construction | 2019 |
| Greyhill Enterprises Ltd | Construction | 2017 |
| Greystone Lodge (Hucclecote) Maintenance Limited | Households | 1974 |
| Grian Energy Ltd | Construction | 2022 |
| Grid 56 Apparel Ltd | Wholesale & retail | 2015 |
| Griffiths Marshall (Probate) Limited | Professional & scientific | 2013 |
| Griffiths Marshall Business Advisory Limited | Professional & scientific | 2020 |
| Griffiths Marshall Business Support Limited | Professional & scientific | 2014 |
| Griffiths Marshall Limited | Professional & scientific | 2007 |
| Griffiths Marshall Wealth Management Limited | Financial services | 2020 |
| Griffiths Property Investments Ltd | Real estate | 2021 |
| Grill House GLO Ltd | Hospitality | 2025 |
| Grills on Wheels Ltd | Hospitality | 2025 |
| Grimley Oval Raceway Ltd | Arts & recreation | 2014 |
| Grind Gloucester Limited | Hospitality | 2023 |
| Grittleton Rentals Ltd | Real estate | 2026 |
| Grizzly Construction & Developments Ltd | Construction | 2025 |
| Grooms Room Gloucester Ltd | Wholesale & retail | 2014 |
| Grosvenor Securities Western Limited | Administrative & support | 2020 |
| Grosvenor Tech Ltd | Professional & scientific | 2019 |
| Ground Control Technologies Holdings Ltd | Financial services | 2017 |
| Groundwork Engineering (Eastern) Limited | Manufacturing | 1985 |
| Groundworks Hub Ltd | Construction | 2025 |
| Group One Camer Ltd | Wholesale & retail | 2022 |
| Grout Insurance Brokers Limited | Financial services | 2004 |
| Grove Bricklaying & Building Contractors Ltd | Construction | 2019 |
| Growing Minds Early Years Limited | Education | 2026 |
| Grsn Property Ltd | Real estate | 2020 |
| Grunen Ltd | Professional & scientific | 2014 |
| GS Landscape Solutions Ltd | Administrative & support | 2017 |
| GSG Landscape Construction Ltd | Administrative & support | 2018 |
| GT Evans Carpentry & Joinery Ltd | Manufacturing | 2026 |
| GT Solve Ltd | Professional & scientific | 2024 |
| GTB Development Group Ltd | Financial services | 2017 |
| GTB Homes Limited | Construction | 2006 |
| GTB Property Investment Ltd | Real estate | 2014 |
| GTB Residential Investments Ltd | Real estate | 2017 |
| GTC ESP Ltd | Wholesale & retail | 2023 |
| GTE Ltd | Extraterritorial | 2003 |
| Guidvox Ltd | Professional & scientific | 2025 |
| Guild (Midlands) Limited | Construction | 2012 |
| Guild Homes (Clanfield) Limited | Construction | 2015 |
| Guild Homes (Clifton) Limited | Construction | 2014 |
| Guild Homes (Malvern) Limited | Construction | 2020 |
| Guild Homes (Welland) Limited | Construction | 2014 |
| Guild Homes Group (Holdings) Limited | Financial services | 2012 |
| Guild Homes Limited | Construction | 1996 |
| Guilding Holdings Ltd | Financial services | 2023 |
| Gujjar Tradings Ltd | Wholesale & retail | 2025 |
| Gulbahar Digital Limited | Wholesale & retail | 2022 |
| Gulley Electrical Ltd | Construction | 2010 |
| Gulley Homes Limited | Real estate | 2024 |
| Gumbies Catering Limited | Hospitality | 2018 |
| Gumede House Ltd | Health & social care | 2022 |
| Gunnwell Limited | Financial services | 1985 |