| Holly Landscapes Ltd | Administrative & support | 2025 |
| Hollygram Media Limited | Information & communication | 2025 |
| Hollywood Dundee Limited | Hospitality | 2012 |
| Holmson Export L.P. | | 2015 |
| Holton Experts L.P. | | 2010 |
| Holug Limited | Wholesale & retail | 2025 |
| Holy Goat Brewing Ltd | Manufacturing | 2020 |
| Holyoke L.P. | | 2016 |
| Holyrood Records Limited | Other services | 2017 |
| Hombre Ltd | Professional & scientific | 2025 |
| Home & Business Computers Support Ltd | Other services | 2022 |
| Home & Gift (Scot) Ltd | Wholesale & retail | 2026 |
| Home by Hollyfield Limited | Wholesale & retail | 2019 |
| Home Comforts (Dundee) Ltd | Real estate | 2022 |
| Home Decoration Solutions Ltd | Construction | 2023 |
| Home Improvement Sales & Marketing Ltd | Other services | 2018 |
| Home Luxe Ltd | Wholesale & retail | 2022 |
| Home Seek Ltd | Real estate | 2023 |
| Home Systems Scotland Limited | Construction | 2018 |
| Homedger Ltd | Wholesale & retail | 2026 |
| Homely Goods Ltd | Extraterritorial | 2022 |
| Homes by Dominique Ltd | Construction | 2025 |
| Homespares Ltd. | Real estate | 1999 |
| Homesubliminal Ltd | Real estate | 2024 |
| Hometown Properties North Ltd | Real estate | 2017 |
| Honeycomb Collective Ltd | Wholesale & retail | 2024 |
| Honeycroft Gardens Ltd | Agriculture & fishing | 2026 |
| Honeydew Beauty Studios Ltd | Other services | 2024 |
| Honeydew Hair Lounge Limited | Other services | 2026 |
| Hood Associates Limited | Real estate | 2011 |
| Hood Roofing Ltd | Construction | 2024 |
| Hoots Hollow Ltd | Real estate | 2025 |
| Hope and Rose Industries Limited | Hospitality | 2020 |
| Hope Consulting Services (Scotland) Limited | Professional & scientific | 2015 |
| Hope Hair & Beauty Ltd | Other services | 2019 |
| Hopkins Scaffolding Services Ltd | Construction | 2015 |
| Hoplex Ltd | Manufacturing | 2017 |
| Horgan Homes Limited | Real estate | 2022 |
| Horizon Xplorers CIC | Arts & recreation | 2025 |
| Horn Imports Limited | Arts & recreation | 1995 |
| Horn Milk Bar Limited | Hospitality | 2007 |
| Hornmax Trade L.P. | | 2015 |
| Hospital Street Properties Ltd | Real estate | 2008 |
| Hot Chocolate Trust | Education | 2010 |
| Hot Food Express Limited | Hospitality | 2022 |
| Hot Slice Ltd | Hospitality | 2024 |
| Hot TUB Sales Scotland Limited | Wholesale & retail | 2019 |
| Hotelfone Limited | Administrative & support | 2011 |
| Hourston Contracting Limited | Professional & scientific | 2013 |
| House of Desserts Co Ltd | Hospitality | 2019 |
| House of Laundry Limited | Hospitality | 2025 |
| House of MO Fashion and Media Tech Limited | Manufacturing | 2025 |
| HOV Ltd | Professional & scientific | 2020 |
| HOW IT Felt | Information & communication | 2016 |
| Howie Construction Consultants Ltd | Construction | 2017 |
| Howno Ltd | Transport & logistics | 2025 |
| Howtin Investments Limited | Construction | 1987 |
| HPC (Scotland) Limited | Arts & recreation | 2003 |
| HPC Training Ltd | Education | 2023 |
| HR Robertson Leisure Ltd | Hospitality | 2019 |
| HRK Hydraulics Limited | Professional & scientific | 2025 |
| HRL 2 Limited | Administrative & support | 2012 |
| HS Contract Solutions Limited | Professional & scientific | 2025 |
| Hs&K Entertainment Ltd | Hospitality | 2025 |
| HS128367 Ltd | Manufacturing | 2012 |
| Hsbr Ltd | Wholesale & retail | 2025 |
| HT Tailor Ltd | Other services | 2018 |
| HTJ Real Estate Ltd | Real estate | 2024 |
| Htoi Ltd | Wholesale & retail | 2025 |
| HU Property Investments Limited | Real estate | 2017 |
| Huckleberry Energy Ltd | Professional & scientific | 2025 |
| Hugh Mcgarry Limited | Professional & scientific | 2018 |
| Humaira RK Designs Ltd | Professional & scientific | 2021 |
| Hunain Logistics Ltd | Transport & logistics | 2026 |
| Hungrrr Apps Ltd | Information & communication | 2019 |
| Hungrrr DEV Ltd | Information & communication | 2020 |
| Hungrrr Development Ltd | Information & communication | 2020 |
| Hungrrr Ltd | Information & communication | 2016 |
| Hungrrr Tech Ltd | Information & communication | 2020 |
| Hungrrr Technology Ltd | Information & communication | 2022 |
| Hunt Trading House Ltd | Real estate | 2023 |
| Hunter Hair Limited | Other services | 2025 |
| Hunter Hairdressing Limited | Other services | 2015 |
| Huntingfaulds Farming Partnership | | 1993 |
| Hush Hair AD Ltd | Administrative & support | 2022 |
| Husky Systems LP | | 2017 |
| Hussain Cabs Ltd | Transport & logistics | 2025 |
| Hutchison Buildings Services Ltd | Construction | 2019 |
| Hutchison Electrical Services Ltd | Construction | 2017 |
| Hutchison Estates Limited | Real estate | 2016 |
| Hutchison Group Limited | Financial services | 2021 |
| Hutchison International Limited | Manufacturing | 2021 |
| Hutchison Limited | Manufacturing | 2021 |
| Hutchison Scientific Limited | Professional & scientific | 2006 |
| Hutchison Technologies Limited | Manufacturing | 1997 |
| HWU Ltd | Mining & quarrying | 2024 |
| Hybrid Cabs Ltd | Transport & logistics | 2025 |
| Hybrid Gasification (Scotland) Ltd | Manufacturing | 2021 |
| Hybrid Taxis Ltd | Transport & logistics | 2025 |
| Hydrobop Limited | Information & communication | 2023 |