| GCN (European) Limited | Transport & logistics | 2006 |
| GCN (Scotland) Limited | Transport & logistics | 1993 |
| GCS Autos Limited | Wholesale & retail | 2021 |
| GCX Bermuda Limited | | 2015 |
| GDW Safety Limited | Professional & scientific | 2025 |
| Gearjammers Limited | Wholesale & retail | 2022 |
| GEE US a Break Ltd | Hospitality | 2022 |
| Geek Gear Ltd | Wholesale & retail | 2019 |
| Gemini 1314 Ltd | Hospitality | 2022 |
| General Door Company Limited | Manufacturing | 2007 |
| Geneva Management Consultants Limited | Professional & scientific | 2017 |
| George Hutton Joiners Limited | Construction | 2015 |
| George Wilson Property Company Limited | Real estate | 1958 |
| Gerut Care Services Ltd | Health & social care | 2024 |
| Gerut Properties Ltd | Financial services | 2023 |
| GET Knotted Joinery Ltd | Manufacturing | 2026 |
| GET SET LET Ltd | Real estate | 2017 |
| GET Stuffed Hamilton Ltd | Wholesale & retail | 2023 |
| GET the Gloss Limited | Other services | 2024 |
| GG Electrical Solutions Ltd | Construction | 2014 |
| GGR Electrical Limited | Construction | 2013 |
| GGR Properties Ltd | Real estate | 2025 |
| Gheorghe Hydraulics Limited | Professional & scientific | 2021 |
| GIA Consulting Ltd | Construction | 2022 |
| Giancarlo Limited | Hospitality | 2015 |
| Giggles & Grins UK Limited | Wholesale & retail | 2024 |
| Gilboa Holdings Limited | | 2023 |
| Gillani Property Ltd | Real estate | 2026 |
| Gillian Mccluskie Property Ltd | Real estate | 2026 |
| GIN Box Scotland Ltd | Wholesale & retail | 2019 |
| Ginger Touch Ltd | Professional & scientific | 2013 |
| Gizzi Foodservice Limited | Hospitality | 2020 |
| Gizzi Ice Cream Ltd | Hospitality | 2020 |
| Gjoni M.D Ltd | Wholesale & retail | 2026 |
| Gkmk Consultancy Ltd | Professional & scientific | 2020 |
| Glamour Beauty Nail & Spa Ltd | Other services | 2025 |
| Glamporium Limited | Other services | 2022 |
| Glamrus Limited | Wholesale & retail | 2025 |
| Glare Renewables Ltd | Construction | 2023 |
| Glasgow Salt Therapy Limited | Other services | 2023 |
| Glasses Half Full Podcast Ltd | Health & social care | 2024 |
| Glenbeagles Ltd | Other services | 2019 |
| Glencairn Crystal Studio Limited | Manufacturing | 1999 |
| Glencairn Crystal Studio Retail Limited | Manufacturing | 1995 |
| Glencairn IP Holdings Ltd | Professional & scientific | 2015 |
| Glencairn Scotch Whisky Company Limited | Wholesale & retail | 1999 |
| Glencroft Property (Scotland) Limited | Real estate | 2021 |
| Glendeal Bothwell Ltd | Construction | 2026 |
| Glendeal Brickwork Ltd | Construction | 2016 |
| Glendeal Glasgow Ltd | Construction | 2023 |
| Glendeal Group Ltd | Financial services | 2022 |
| Glendeal Homes Ltd | Construction | 2023 |
| Glendeal Limited | Construction | 1999 |
| Glendeal Property Ltd | Construction | 2022 |
| Glendeal Scotland Limited | Construction | 2019 |
| Glenisle Arran Limited | Hospitality | 2025 |
| Glenlea Technical Services Limited | Wholesale & retail | 2011 |
| Glenmac Ltd | Real estate | 2023 |
| Glensilloch Limited | Professional & scientific | 2003 |
| Global Cloud Xchange Limited | | 2015 |
| Global Modular Solutions Limited | Wholesale & retail | 2005 |
| Global Professionals Recruitment Limited | Administrative & support | 2015 |
| Global Sourcing Ingredients Limited | Manufacturing | 2024 |
| Globeleq Tanzania Limited | | 2021 |
| Globesprint Ltd | Transport & logistics | 2025 |
| Glow Plumbing Group (Scotland) Limited | Construction | 2018 |
| Glowing TAN Ltd | Other services | 2025 |
| GM Brokers Limited | Wholesale & retail | 2026 |
| GM Catering SCO Ltd | Hospitality | 2024 |
| GM Luxury Furniture Ltd | Wholesale & retail | 2025 |
| GM Luxury Home Staging Limited | Professional & scientific | 2020 |
| GM Property Staging Ltd | Professional & scientific | 2025 |
| GM Safety Limited | Mining & quarrying | 2017 |
| GM77 Property Limited | Real estate | 2024 |
| GMA Electrical Limited | Construction | 2008 |
| Gmack Construction and Developments Ltd | Construction | 2016 |
| GMC Coaching & Consultancy Ltd | Professional & scientific | 2022 |
| Gmcc Roughcasters Ltd | Construction | 2025 |
| Gmcm Commercial Management Limited | Professional & scientific | 2019 |
| Gmdl Limited | Professional & scientific | 2005 |
| GMG Consultants Limited | Professional & scientific | 2021 |
| GMR Care Consultancy Limited | Health & social care | 2016 |
| Gmtr Holdings Limited | Real estate | 2019 |
| GNL Warehouse Ltd | Wholesale & retail | 2024 |
| Go Kids Go Coventry Ltd | Arts & recreation | 2022 |
| Goen Studios Ltd | Information & communication | 2023 |
| Golden Properties (Glasgow) Limited | Real estate | 2020 |
| Goldsims Joinery Ltd | Construction | 2024 |
| Goldstar Fire (Design and Consultancy) Limited | Professional & scientific | 2023 |
| Goodcad Limited | Extraterritorial | 2008 |
| Goodridge Chiro Ltd | Health & social care | 2025 |
| Gordon Crawford Civil Engineering Services Limited | Construction | 2014 |
| Gordon HAY Mortgages Ltd | Financial services | 2025 |
| Gorjuss Art Ltd | Arts & recreation | 2008 |
| Govanpay Limited | Extraterritorial | 2023 |
| Gowda Ltd | Health & social care | 2024 |
| GOZ Property Ltd | Real estate | 2021 |
| GP Alltrades Group Ltd | Other services | 2026 |
| GP Alltrades Ltd | Construction | 2023 |
| GP IT Consultancy Ltd | Information & communication | 2020 |