| Great Western Plumbing & Heating Glasgow Ltd | Construction | 2025 |
| Greenend Takeaway Ltd | Hospitality | 2018 |
| Greig Electrical Ltd | Manufacturing | 2022 |
| Greig Ltd | Information & communication | 2025 |
| GRF Property Development Ltd | Construction | 2025 |
| Grumpyfriar Ltd | Hospitality | 2026 |
| Gryffe Aesthetics Ltd | Other services | 2025 |
| Gryffe Manor Nursery Ltd | Health & social care | 2017 |
| Gryffe Manor Property Group Limited | Real estate | 2020 |
| GSL Aesthetics Ltd | Other services | 2025 |
| GSM Joinery Ltd | Construction | 2024 |
| Gsmp Community Limited | Education | 2025 |
| Guid Grazin Ltd | Hospitality | 2023 |
| Gvrc Claims Ltd | Wholesale & retail | 2025 |
| GWM IT Consulting Services Limited | Information & communication | 2002 |
| H.A Driver Ltd | Transport & logistics | 2025 |
| Habbies Bar and Grill Limited | Hospitality | 2016 |
| Hairdo Barbers Ltd | Other services | 2024 |
| Hawaiian TAN Limited | Other services | 2014 |
| Hawora Ltd | Wholesale & retail | 2026 |
| Hb/Hv Electrical Ltd | Construction | 2019 |
| Head Aesthetics Ltd | Other services | 2024 |
| Heavenly Hot Tubs Group Ltd | Wholesale & retail | 2019 |
| Hecra Healthcare Ltd | Health & social care | 2024 |
| Helping Hand Enterprises Ltd | Households | 2019 |
| Henderson's Flowers Ltd | Wholesale & retail | 2026 |
| Heritage Comms Limited | Professional & scientific | 2021 |
| HJG Removals & Storage Limited | Transport & logistics | 2022 |
| HMZ Trade Solutions Ltd | Wholesale & retail | 2025 |
| Hole-In-One Catering Ltd | Hospitality | 2025 |
| Homes for Sapiens Ltd | Real estate | 2016 |
| Homes for Sapiens Sourcing Ltd | Real estate | 2021 |
| Homes for Sapiens Suites Ltd | Real estate | 2026 |
| Horne Engineering Limited | Manufacturing | 1930 |
| Houston Health Hub Ltd | Extraterritorial | 2022 |
| Houston SQ Limited | Arts & recreation | 2018 |
| Howie Properties Ltd | Real estate | 2025 |
| I.M. Properties (Scot) Ltd | Real estate | 2025 |
| ICB Structural Ltd | Administrative & support | 2025 |
| Ienai Limited | Professional & scientific | 2018 |
| Imcampervans Ltd | Manufacturing | 2025 |
| Imcblack Ltd | Professional & scientific | 2025 |
| Infonode Limited | Information & communication | 2020 |
| Innovent (Scotland) Ltd. | Professional & scientific | 2005 |
| Inti Solar Ltd | Construction | 2024 |
| Inverhall Portable Structures Limited | Other services | 1981 |
| Inōva Intelligence Ltd | Professional & scientific | 2025 |
| Islay Projects Ltd | Construction | 2021 |
| IT19 Ltd | Construction | 2024 |
| Itwizrd Ltd | Professional & scientific | 2026 |
| Ivanhoe Consulting Limited | Professional & scientific | 2019 |
| J & a Joiners Ltd | Manufacturing | 2019 |
| J & R 2018 Limited | Wholesale & retail | 2018 |
| J.B Cleaning Services Ltd | Administrative & support | 2021 |
| J.G.B. Steelcraft (Barrhead) Limited | Professional & scientific | 1977 |
| J2R Financial Ltd | Financial services | 2026 |
| J2R Property Ltd | Real estate | 2026 |
| Jarek Logistics Ltd | Transport & logistics | 2025 |
| JB Coaching and Development Ltd | Arts & recreation | 2022 |
| Jennifer Gilmartin Aesthetics Ltd. | Health & social care | 2018 |
| Jennifer Kent Ltd | Manufacturing | 2017 |
| JH Baker Enterprises Ltd | Extraterritorial | 2023 |
| Jhonstone Convenience Store Ltd | Wholesale & retail | 2021 |
| Jiejieyauk Ltd. | Wholesale & retail | 2016 |
| Jkgn Ltd | Information & communication | 2024 |
| JM Accountancy Services Limited | Professional & scientific | 2002 |
| Jmcesolutions Limited | Construction | 2019 |
| Jmelrose Properties Ltd | Real estate | 2025 |
| JMJ Mechanical Limited | Professional & scientific | 2014 |
| JMT Project & Consultancy Ltd | Professional & scientific | 2021 |
| John Hood Builders Ltd | Construction | 2020 |
| John Marshall & SON (Butchers) Limited | Wholesale & retail | 2017 |
| John's Cafe & Takeaway Limited | Hospitality | 2018 |
| Johnston Joiners Limited | Construction | 2010 |
| Johnstone Amateur Boxing Club CIC | Education | 2023 |
| Johnstone AS Limited | Hospitality | 2025 |
| Johnstone Barbers Ltd | Other services | 2026 |
| Johnstone Burgh Community Hub CIC | Arts & recreation | 2025 |
| Johnstone Food Ltd | Hospitality | 2023 |
| Johnstone Inns Ltd | Other services | 2016 |
| Johnstone OUT of School Service | Health & social care | 1999 |
| Johnstone Plumbing Ltd | Wholesale & retail | 2025 |
| Johnstone Sound Ltd | Information & communication | 2024 |
| Johnstone Steel Fabrication Limited | Manufacturing | 2018 |
| Johnstone Takeaway & Delivery Ltd | Hospitality | 2016 |
| Johnstone Taverns Limited | Hospitality | 2024 |
| Johnstone Textile Space CIC | Education | 2023 |
| Johnstone Turkish Barber Ltd | Other services | 2019 |
| Johnstone Wash Ltd | Administrative & support | 2019 |
| Johnstonretail Ltd | Wholesale & retail | 2025 |
| Josh Natural Physique Ltd | Education | 2025 |
| Journal Wedding Films Ltd | Information & communication | 2025 |
| JPM Rentals Ltd | Real estate | 2025 |
| JS Land & Property Consultancy Limited | Professional & scientific | 2025 |
| JSP Glasgow Limited | Wholesale & retail | 2018 |
| JSS Autos Limited | Wholesale & retail | 2019 |
| Julia Stewart Limited | Education | 2002 |
| Julian Cotton Limited | Construction | 2004 |
| Jungle Trims Ltd | Administrative & support | 2020 |
| K Reilly Logistics Ltd | Transport & logistics | 2021 |