| G Pritchard Property Investments Ltd | Real estate | 2025 |
| G15 Car Rentals Ltd | Administrative & support | 2025 |
| G82 Engineering Supplies Ltd | Professional & scientific | 2022 |
| Gallacher Letting Limited | Real estate | 2025 |
| Gareloch Homes Limited | Construction | 2024 |
| GAS Clouds Ltd | Construction | 2022 |
| Gavinburn Cottages Limited | Administrative & support | 2011 |
| GB Turf Ltd | Professional & scientific | 2026 |
| Gee's Carpets Ltd | Wholesale & retail | 2022 |
| Generator Technician Services Ltd | Manufacturing | 2025 |
| Genesis Manazil (UK) Ltd. | Construction | 2014 |
| George & J.G. Smith Limited | Professional & scientific | 1972 |
| George Ballantine & SON Limited | Professional & scientific | 1937 |
| George Coster and SON Limited | Professional & scientific | 1992 |
| Gilmour Contracts Ltd | Professional & scientific | 2026 |
| GL Watt Services Ltd | Professional & scientific | 2016 |
| Glamoured Ltd | Other services | 2019 |
| Glasgow Clean Ltd | Households | 2014 |
| Glasgow GUN Makers Limited | Professional & scientific | 1992 |
| Glassplas Ltd | Manufacturing | 2019 |
| Glen Keith Distillery Company Limited | Professional & scientific | 1968 |
| Glencairn Dunbartonshire Ltd | Hospitality | 2015 |
| Glitterstore Ltd | Wholesale & retail | 2011 |
| GLJ Group Limited | Administrative & support | 2024 |
| Global Spoon Limited | Hospitality | 2025 |
| Global Transformer Solutions Ltd | Professional & scientific | 2013 |
| Go Ahead Transport Solutions Limited | Transport & logistics | 2018 |
| Godsplanai Ltd | Information & communication | 2025 |
| GOL Kick Ltd. | Education | 2022 |
| Gonzalez Ophthalmic Services Limited | Real estate | 2014 |
| Gordon Agri Scotland Limited | Administrative & support | 2009 |
| Goverdose Ltd | Construction | 2023 |
| Graeme Kerr Property Services Ltd | Construction | 2016 |
| Graeme Ramage Football Academy Ltd | Arts & recreation | 2021 |
| Graham Rail Limited | Construction | 2017 |
| Greensted Limited | Hospitality | 2017 |
| Grill on the Bridge Ltd | Hospitality | 2022 |
| Groomr Ltd | Information & communication | 2026 |
| Grove Food and Beverage Limited | Hospitality | 2024 |
| Groveworks Consulting Ltd | Professional & scientific | 2026 |
| Gumshoe Studio Ltd | Arts & recreation | 2025 |
| HAI Clean Limited | Professional & scientific | 2005 |
| Hair NY Ltd | Other services | 2020 |
| Hardie Mcmillan Limited | Professional & scientific | 2013 |
| Harper Generator Services Ltd | Manufacturing | 2013 |
| Hatrack Glasgow Ltd | Hospitality | 2022 |
| Haxton Property Ltd | Real estate | 2024 |
| HBR Dumbarton Ltd | Wholesale & retail | 2011 |
| HBR Garage Services Ltd | Wholesale & retail | 2025 |
| HBR Refurb Limited | Manufacturing | 2022 |
| Helenslee Design Ltd | Professional & scientific | 2025 |
| Here WE Go Party Limited | Arts & recreation | 2024 |
| Heritage IQ Ltd | Information & communication | 2025 |
| Hielan’ DIP Ltd | Administrative & support | 2026 |
| High Overtoun NS415760 Ltd | Professional & scientific | 2017 |
| Hill, Thomson & Co., Limited | Professional & scientific | 1936 |
| HNY Haircare Ltd | Other services | 2025 |
| Home From Home (Scotland) Limited | Health & social care | 2004 |
| Hoodem Limited | Water & waste | 1981 |
| Hot & Spicy Scotland Ltd | Hospitality | 2024 |
| Hounds of the Rock Limited | Hospitality | 2024 |
| House of Retail Limited | Wholesale & retail | 2023 |
| Hrpb Limited | Administrative & support | 2003 |
| Hudspith Homes Limited | Households | 2017 |
| Hutchison and Co. (Glasgow) Limited | | 1958 |
| HV Consultants Limited | Information & communication | 2019 |
| I C Hart Investments Ltd | Real estate | 2025 |
| I Techniques Distro Ltd | Wholesale & retail | 2024 |
| Ideal Kitchens by Tony Ltd | Construction | 2026 |
| Ideal Kitchens Ltd. | Wholesale & retail | 2009 |
| Ideal Media Walls Ltd | Construction | 2024 |
| Ignite Fitness S&C Ltd | Arts & recreation | 2024 |
| IGW Developments Limited | Construction | 2014 |
| Innova Nanojet Technologies, Ltd. | Professional & scientific | 2022 |
| IQ Joinery Ltd | Construction | 2015 |
| IROCK2 Limited | Administrative & support | 2016 |
| Islandslice Ltd | Hospitality | 2016 |
| Istanbul at High Street Ltd | Other services | 2020 |
| J & C Dennett Properties Ltd | Real estate | 2019 |
| J Daly Scaffolding Ltd | Construction | 2024 |
| J Gallacher Joiners Limited | Construction | 2015 |
| J&R MAK Limited | Wholesale & retail | 2021 |
| J. R. Phillips & Co Limited | Professional & scientific | 1966 |
| J.K Multi-Trade Ltd | Construction | 2022 |
| James Daly Builders Limited | Construction | 2017 |
| James Dalziel Dougall & Sons GUN & Rifle Manufacturers Ltd | Professional & scientific | 2012 |
| James Scullion Plumbing & Heating Ltd | Construction | 2013 |
| Jamestown Engineering Ltd | Construction | 2021 |
| Jardine Rope Access Support Ltd | Construction | 2025 |
| Jasmine Dunbartonshire Ltd | Hospitality | 2025 |
| JD Signature Travel Ltd | Administrative & support | 2026 |
| JDM Bites Limited | Hospitality | 2025 |
| JDM Glasgow Limited | Arts & recreation | 2018 |
| JDM Lets Limited | Real estate | 2025 |
| JDM UK Investments Limited | Information & communication | 2020 |
| Jessica Brydon Personal Training Limited | Arts & recreation | 2018 |
| Jhlg Ltd | Real estate | 2023 |
| JJM Restaurants Limited | Hospitality | 2020 |
| JKD Engineering Ltd | Professional & scientific | 2024 |
| JMK Inspection Services Limited | Other services | 2018 |