| GASMARK1 Plumbing & Heating Ltd | Construction | 2026 |
| Gatehouse Annbank Ltd | Hospitality | 2020 |
| Gavin Lawrie (Surfacing) Limited | Construction | 1972 |
| Gavin Todd & SON Plumbing & Heating Ltd | Construction | 2024 |
| GCR Bodyworks Ltd | Manufacturing | 2025 |
| GD Steele Ltd | Construction | 2025 |
| Gelatoni Events Ltd | Hospitality | 2023 |
| Gelatoni Holdings Ltd | Financial services | 2020 |
| Gelatoni Trading Ltd | Hospitality | 2020 |
| GEM Cabs Ltd | Transport & logistics | 2023 |
| Gemeli Trade LP | | 2014 |
| Geneseek UK Ltd | Professional & scientific | 2025 |
| Geordie Gray Auto Repairs Limited | Wholesale & retail | 2022 |
| George Capital 47 Limited | Other services | 2025 |
| George Tailor Ltd | Wholesale & retail | 2022 |
| Geow Sales Ltd | Wholesale & retail | 2025 |
| Gerwin Commerce LP | | 2014 |
| GF Buildings Limited | Real estate | 2008 |
| GF Property Services Limited | Professional & scientific | 2009 |
| GF Tyre Solutions Ltd | Wholesale & retail | 2024 |
| GFS Properties Scotland Ltd | Real estate | 2017 |
| GG Car Body Repairs Ltd | Wholesale & retail | 2023 |
| GGD Renewables Ltd | Professional & scientific | 2021 |
| Ggdm Properties Ltd | Real estate | 2024 |
| Giac Ltd | Professional & scientific | 2025 |
| Gibson & Goold (AYR) Limited | Construction | 1954 |
| Gibson Carbon Scaffolding Ltd | Construction | 2025 |
| Gift City AYR Ltd | Wholesale & retail | 2024 |
| Gilardi Bakers Ltd. | Wholesale & retail | 2001 |
| Gilardi Holdings Ltd | Real estate | 2015 |
| Gilken Holdings Ltd | Financial services | 2026 |
| Gill Grocer Ltd | Wholesale & retail | 2022 |
| Gillian Margaret Limited | Financial services | 2023 |
| Gillies Transport Limited | Transport & logistics | 2023 |
| Gillon External Transport Service's Ltd | Transport & logistics | 2025 |
| Gina Smart LLP | | 2020 |
| Ginger & Jester Productions Ltd | Arts & recreation | 2026 |
| Giuyrs Limited | Construction | 2020 |
| GJA Transport Services Ltd | Transport & logistics | 2025 |
| GK (Scotland) Ltd | Hospitality | 2020 |
| Gkarouzakis Aircraft Engineering Services Ltd | Manufacturing | 2025 |
| Glasgow Double Glazing Ltd | Construction | 2023 |
| Glasgow ENT Consultant Ltd | Health & social care | 2025 |
| Glasgow Liver Clinic Ltd | Health & social care | 2022 |
| Glasgow Spinal Care Ltd | Health & social care | 2021 |
| Gleam and Glow Ltd | Wholesale & retail | 2021 |
| Glen Lusset Bar Ltd | Hospitality | 2020 |
| Glenammer Engineering Limited | Professional & scientific | 2019 |
| Glenammer Sieves Limited | Manufacturing | 1998 |
| Glencairn Group Holdings Ltd | Financial services | 2024 |
| Glencairn Services Ltd | Hospitality | 2024 |
| Glengarry Kitchens Ltd | Wholesale & retail | 2018 |
| Glengowan Croft Ltd | Professional & scientific | 2016 |
| Glenlea Engineering Limited | Construction | 2023 |
| Glenlea Medical and Aesthetics Ltd | Health & social care | 2023 |
| GLH Rural Limited | Professional & scientific | 2025 |
| GLI Scotland Ltd | Financial services | 2019 |
| GLM (West Scot) Limited | Wholesale & retail | 2022 |
| Global Business Advisory LP | | 2014 |
| Glosse Studios Ltd | Other services | 2025 |
| Glycologic Limited | Administrative & support | 1999 |
| GM Aesthetics Limited | Health & social care | 2017 |
| GM Metalworks Ltd | Manufacturing | 2024 |
| GM Training & Consultancy Ltd | Education | 2022 |
| Gmakrakis Aviation Services Ltd | Manufacturing | 2024 |
| GMC Search Ltd | Administrative & support | 2014 |
| GMQ Mortgages Limited | Financial services | 2024 |
| GMR Alba Ltd | Professional & scientific | 2019 |
| GMR Fishing Ltd | Agriculture & fishing | 2019 |
| Go West Private Hire Ltd | Transport & logistics | 2025 |
| Gold & Platinum LP | | 2016 |
| Goldstart Invest LP | | 2014 |
| Good 3D Prints Ltd | Manufacturing | 2026 |
| Good Taste D & D Limited | Wholesale & retail | 2020 |
| Goodwin Innovations Ltd | Administrative & support | 2025 |
| Gorton Trading Limited | Manufacturing | 2009 |
| Gotchuk Ltd | Wholesale & retail | 2025 |
| GPM Property Repair & Maintenance Ltd | Real estate | 2023 |
| GPR International Limited | Administrative & support | 1998 |
| Graham Engineering (Scotland) Ltd | Construction | 2026 |
| Graham Technology Consulting Limited | Information & communication | 2010 |
| Grandplates Ltd | Wholesale & retail | 2012 |
| Granger's Consultancy Services Ltd | Professional & scientific | 2014 |
| Grant Property Enterprises Ltd | Real estate | 2017 |
| Grant Sinclair Financial Services Ltd | Financial services | 2020 |
| Grayprops Limited | Real estate | 2022 |
| Green Street Builders Ltd. | Construction | 2015 |
| Greenan Landscapes Ltd | Administrative & support | 2025 |
| Greenan Limited | Professional & scientific | 2023 |
| Greenbank Scotland Ltd | Real estate | 2024 |
| Greenfellas 2 Ltd | Administrative & support | 2018 |
| Greenfield Media Ltd | Professional & scientific | 2026 |
| Greenmakers Limited | Construction | 2015 |
| Greer's Gears Ltd | Wholesale & retail | 2024 |
| Greers Gears Driving School Franchise Limited | Education | 2020 |
| Greers Gears Driving School Ltd | Education | 2025 |
| Greer’S Gears - Dual Control Car Hire Limited | Administrative & support | 2025 |
| Gresco Trade LP | | 2014 |
| GRM Property Investments Ltd | Real estate | 2025 |
| Grosvenor Buchanan Properties Limited | Extraterritorial | 1988 |