| Eurotransnet Ltd | Professional & scientific | 2009 |
| Eurotransnet Translation Services Ltd. | Professional & scientific | 1999 |
| Eutopia (Glasgow) Limited | Other services | 2014 |
| Eutopia (Glasgow) Property Limited | Real estate | 2026 |
| Eutopia Training Limited | Administrative & support | 2022 |
| Evami Consultancy Services Ltd | Administrative & support | 2024 |
| Ewagner Limited | Administrative & support | 2012 |
| Ewan Mundy Fine Art Limited | Wholesale & retail | 1990 |
| Experience Salons Ltd | Professional & scientific | 2024 |
| Fanci Boyd Investments Limited | Real estate | 2025 |
| Fantastic Nails 46 Ltd | Other services | 2022 |
| Faslane Taxis Ltd | Transport & logistics | 2024 |
| Fastfit (Garelochhead) Limited | Wholesale & retail | 2011 |
| Fergusonprops Ltd | Information & communication | 2021 |
| Ferhome Ltd | Real estate | 2022 |
| Fidelis Financial Planning Limited | Financial services | 2011 |
| Finnon Consulting Services Limited | Professional & scientific | 2023 |
| Finsoarch Ltd | Hospitality | 2024 |
| Firat Archaeological Services Ltd. | Arts & recreation | 2008 |
| Floorcoat Paint Finishes Limited | Manufacturing | 2019 |
| Football FUN Factory (Community 120) Limited | Arts & recreation | 2024 |
| Foreland Limited | Administrative & support | 2015 |
| Foubister Mccormick Limited | Financial services | 2004 |
| Fruin Energy Limited | Information & communication | 2026 |
| Fruin Engineering Ltd | Professional & scientific | 2015 |
| Fruin Farm Ltd | Hospitality | 2014 |
| Fruin Motors (Holdings) Limited | Wholesale & retail | 1980 |
| Fruin Properties Limited | Real estate | 2025 |
| FSL Limited | Transport & logistics | 2022 |
| Fuel by Thought Ltd | Wholesale & retail | 2026 |
| Full Shilling Book-Keeping Services Limited | Professional & scientific | 2009 |
| Fusebox Scotland Limited | Construction | 2012 |
| Fusebox Solar Limited | Construction | 2025 |
| G & M Utilities Ltd | Energy | 2021 |
| G&F Consultancy Limited | Professional & scientific | 2025 |
| G.W. Macgregor Ltd | Hospitality | 2021 |
| G1 Scenery Limited | Construction | 2019 |
| Gaap Investments LLP | | 2018 |
| Gaap Property Ltd | Real estate | 2015 |
| Gallaghers Shoe Repairs Limited | Other services | 2019 |
| Gallus Projects Limited | Information & communication | 2008 |
| Gareloch Consult Ltd. | Professional & scientific | 2003 |
| Gareloch Support Services (Plant) Limited | Construction | 1989 |
| Garelochhead Minibuses & Coaches Ltd. | Transport & logistics | 2000 |
| Gavin Mccall Ltd | Other services | 2022 |
| Gcdc Limited | Professional & scientific | 2005 |
| Gdrw Productions Limited | Information & communication | 2025 |
| Geargenius Studio Ltd | Information & communication | 2025 |
| Gindo Holdings Ltd | Hospitality | 2019 |
| Glamis Property Limited | Real estate | 2017 |
| Glas Engineering Ltd | Professional & scientific | 2023 |
| Glasgow Eats Ltd | Hospitality | 2021 |
| Glasgow Surgical Limited | Health & social care | 2009 |
| Glenashdale Services Ltd | Professional & scientific | 2024 |
| GLP Holdings Limited | Financial services | 2019 |
| Gmvn Ltd | Real estate | 1997 |
| Good RAT Productions Ltd | Information & communication | 2023 |
| Gordon Mowat Associates Ltd | Professional & scientific | 2005 |
| Grahams Active Care Ltd. | Agriculture & fishing | 2016 |
| Grant Vehicle Repairs Ltd. | Wholesale & retail | 2002 |
| GRB Contracts Limited | Construction | 2018 |
| Great Strides Limited | Health & social care | 2013 |
| Grpsecurity Ltd | Administrative & support | 2025 |
| Gryffe Advertizer Limited | Information & communication | 2010 |
| GUY Wadge Ltd | Professional & scientific | 2024 |
| Hairdressers Against Climate Change Ltd | Wholesale & retail | 2017 |
| Hammond Taxation Services Ltd. | Professional & scientific | 2003 |
| Harrison Roofing Ltd | Construction | 2025 |
| Hawler Ltd | Other services | 2023 |
| Heatherline Heritage Ltd | Professional & scientific | 2025 |
| Helensburgh and Lomond Cultural Centre Ltd | Wholesale & retail | 2018 |
| Helensburgh Argyll Ltd | Hospitality | 2019 |
| Helensburgh Auto Spares Limited | Wholesale & retail | 2009 |
| Helensburgh Automotive EOT Limited | Financial services | 2023 |
| Helensburgh Barber Shop Ltd | Other services | 2026 |
| Helensburgh Building Services Contracts Ltd | Construction | 2024 |
| Helensburgh Car Company Limited | Wholesale & retail | 2011 |
| Helensburgh Community Hall Ltd | Other services | 2019 |
| Helensburgh Cricket and Rugby Football Club Ltd | Arts & recreation | 2025 |
| Helensburgh Floorplan (1983) Limited | Wholesale & retail | 1983 |
| Helensburgh Flowers Events Limited | Wholesale & retail | 2019 |
| Helensburgh Gardening Services Limited | Administrative & support | 2017 |
| Helensburgh Golf Club Limited | Arts & recreation | 2019 |
| Helensburgh Golf Club Social and Services Limited | Arts & recreation | 2019 |
| Helensburgh Holdings Ltd | Financial services | 2024 |
| Helensburgh Home Care Ltd | Health & social care | 2025 |
| Helensburgh Hypnotherapy Ltd | Health & social care | 2024 |
| Helensburgh Ironing Services Limited | Other services | 2025 |
| Helensburgh Tree Conservation Trust | Administrative & support | 2002 |
| Helensburghbuildingservices Ltd | Construction | 2020 |
| Helensburghplumbingandheating Ltd | Construction | 2022 |
| High Finnich Properties Ltd | Real estate | 2025 |
| High Performance Hospitality Limited | Professional & scientific | 2026 |
| Hiya PAL Ltd | Wholesale & retail | 2023 |
| HMH Spice Ltd | Wholesale & retail | 2018 |
| Holmes Homes Construction Limited | Construction | 2025 |
| Home Ground Coffee Ltd. | Manufacturing | 2008 |
| Honey & Spice Ltd | Manufacturing | 2019 |
| Honey Badger Haulage Ltd | Transport & logistics | 2025 |
| Hooga Hearts Ltd | Education | 2023 |