| Hardie Property Holdings Ltd | Financial services | 2025 |
| Hardie Property Partners Ltd | Real estate | 2025 |
| Hashtag Nine Limited | Wholesale & retail | 2021 |
| HC247 Ltd | Professional & scientific | 2014 |
| HC33 Limited | Real estate | 2025 |
| Heads Farm Ltd | Real estate | 2016 |
| Healing Heather Holistic's Ltd | Health & social care | 2023 |
| Heartbeat Cardiology (Glasgow) Limited | Health & social care | 2023 |
| Heartroot Services Limited | Real estate | 2026 |
| Hearts at Home Social Care Limited | Health & social care | 2017 |
| Heat Right (Scotland) Limited | Construction | 2022 |
| Heatguard Ltd | Construction | 2011 |
| Heatherbank Welding Ltd | Manufacturing | 2014 |
| Heatshield Plus Ltd | Construction | 2023 |
| Hendry Installations Glasgow Ltd | Construction | 2025 |
| Hendry Installations Ltd | Construction | 2020 |
| Hendry Property Lettings Ltd | Real estate | 2022 |
| HI Tea Diamond Ltd | Hospitality | 2019 |
| Hiflow Heating & Plumbing Limited | Energy | 2014 |
| Highlander Communications Ltd | Construction | 2026 |
| Highlands Distribution Ltd | Wholesale & retail | 2024 |
| HK Scots Ltd | Hospitality | 2017 |
| HKT Fish and Chips Limited | Wholesale & retail | 2025 |
| HO WOK Ltd | Hospitality | 2024 |
| Honeymoon Touch Ltd | Other services | 2025 |
| Hope Embroidery Limited | Manufacturing | 2022 |
| Hopkins Property Sourcing Ltd | Real estate | 2019 |
| Horseshoe Developments Limited | Real estate | 1985 |
| Hot and Spicy Food Ltd | Hospitality | 2025 |
| HSD Dance for ALL Limited | Education | 2017 |
| Hutchison Ferguson Limited | Professional & scientific | 2005 |
| Hydrox Drive Ltd | Wholesale & retail | 2025 |
| Hynds Haulage Limited | Transport & logistics | 2024 |
| I AM Nomad Design Ltd | Professional & scientific | 2023 |
| I AM Nomad Ltd. | Wholesale & retail | 2018 |
| I-Dentify Scotland Ltd. | Administrative & support | 2005 |
| IAC Edinburgh Ltd | Wholesale & retail | 2026 |
| Iain Blair Windows Limited | Administrative & support | 2024 |
| IB Doing Joinery Ltd | Construction | 2020 |
| Ideal Access Solutions Ltd | Administrative & support | 2019 |
| Ilay Trade Limited | Wholesale & retail | 2025 |
| IMC PM Ltd | Professional & scientific | 2023 |
| Indo- Brit Exotic Food Ltd Ltd | Hospitality | 2025 |
| Infinite Energy Scotland Limited | Construction | 2022 |
| Infinite Tennis Ltd | Education | 2025 |
| Innovation Contracts Ltd | Construction | 2025 |
| Innovation Flooring Direct Limited | Wholesale & retail | 2023 |
| Innovation Flooring Scotland Limited | Construction | 2019 |
| Interactive Giving Limited | Wholesale & retail | 2021 |
| Interactive IT Limited | Professional & scientific | 2017 |
| Interactive Power Limited | Professional & scientific | 2020 |
| Interactive Results Limited | Professional & scientific | 2014 |
| International Marine Assurance Services Limited | Transport & logistics | 2023 |
| Investing Well Limited | Financial services | 2013 |
| Inzone Power Services Ltd | Professional & scientific | 2022 |
| ION Recruitment Limited | Administrative & support | 2004 |
| Ionic Cleaning Ltd | Administrative & support | 2024 |
| Irene Manson Limited | Other services | 2008 |
| Irvine Davis & Associates Limited | Professional & scientific | 2025 |
| Italian Aroma Coffee London Ltd | Wholesale & retail | 2025 |
| J C Roxburgh (Insurance Brokers) Ltd | Financial services | 2012 |
| J Drummond Funeral Directors Ltd | Other services | 2013 |
| J O T Grocers Limited | Wholesale & retail | 2025 |
| J Reilly Builders Ltd | Construction | 2024 |
| J&D Flat Roofing Ltd | Construction | 2024 |
| J&D Plastering Roughcasting and Roofing Ltd | Construction | 2023 |
| J. Mcghee (Financial Consultant) Ltd. | Financial services | 2006 |
| J.D. Sealants & Co. Ltd. | Construction | 1998 |
| J.Dallas. Ltd | Professional & scientific | 2025 |
| J.Mckay Electrical Limited | Construction | 2018 |
| JAC Conversion Kits Ltd | Manufacturing | 2018 |
| Jackson Transport Scotland Limited | Transport & logistics | 2024 |
| JAI Incorporated Limited | Arts & recreation | 2019 |
| James Gilmour Ltd | Construction | 2023 |
| Jamm Bars Ltd | Hospitality | 2018 |
| Jasper's Mortgage Solutions Ltd | Financial services | 2020 |
| Jawor Logistics Ltd | Transport & logistics | 2023 |
| Jaycomm Ltd | Information & communication | 2024 |
| Jays Fit Camp Ltd | Arts & recreation | 2026 |
| JB Building Supplies Ltd | Wholesale & retail | 2026 |
| JB Pipework Services Ltd | Construction | 2021 |
| JC Media & Events Ltd | Manufacturing | 2025 |
| JC Roxburgh (Financial Services) Limited | Financial services | 2012 |
| JDL Heating Ltd | Construction | 2025 |
| JDM Heating, GAS, OIL & Renewables Ltd | Construction | 2026 |
| JEB Technical Services Ltd | Administrative & support | 2017 |
| JG Valeting Service Ltd | Administrative & support | 2020 |
| JGB Electrical & Rigging Services Limited | Construction | 2014 |
| JJ Landscaping Limited | Professional & scientific | 2023 |
| JJ Plant Hire Ltd | Administrative & support | 2024 |
| JJ Tree Surgeons Limited | Administrative & support | 2022 |
| JL Purpose Media Ltd | Information & communication | 2024 |
| Jmacgtsupport Ltd | Professional & scientific | 2022 |
| Jmar Projects Limited | Professional & scientific | 2017 |
| Jmwd Solutions Ltd | Information & communication | 2023 |
| JN Autos Limited | Wholesale & retail | 2019 |
| Jodi Creates Artwork Limited | Wholesale & retail | 2024 |
| JOE Hendry Sports and Entertainment Limited | Wholesale & retail | 2017 |
| JOE Walker's Flooring Ltd | Construction | 2015 |
| JOE Walker's Window Blinds Ltd | Manufacturing | 2018 |