| Henderson Housing Ltd | Financial services | 2019 |
| Henderson Loggie Financial Planning Limited | Financial services | 1999 |
| Henderson Loggie LLP | | 2007 |
| Henderson-Rattray Enterprises Ltd. | Other services | 2017 |
| Hendersons (Electrical Services) Ltd | Construction | 2016 |
| Henkel Group Ltd | Financial services | 2023 |
| Henkel Investments Ltd | Real estate | 2023 |
| Henkel Property & Projects Ltd | Real estate | 2023 |
| Henry's Coffee House Limited | Hospitality | 2010 |
| Heptagon Integrated Ltd | Professional & scientific | 2024 |
| Hera Interiors Limited | Construction | 2025 |
| Herculon Ltd | Wholesale & retail | 2025 |
| Hercuwise Ltd | Education | 2024 |
| Hereward Leisure Limited | Administrative & support | 2016 |
| Heritage Joinery & Construction Ltd | Construction | 2023 |
| Heronbay Property Developments Ltd | Construction | 2026 |
| Hexgen Ltd | Wholesale & retail | 2026 |
| Heymrjacob Ltd | Manufacturing | 2025 |
| HG Cafe Lawrenson Ltd | Hospitality | 2023 |
| HG Computers (EU) Ltd | Information & communication | 2014 |
| HG2026 Ltd | Information & communication | 2025 |
| HGH Realisations Ltd | Hospitality | 2015 |
| HH 84 Dundee Ltd | Hospitality | 2026 |
| HH B 1 Ltd | Other services | 2019 |
| HH TAN 1 Ltd | Other services | 2016 |
| HH TAN 2 Ltd | Other services | 2018 |
| HH TAN 3 Ltd | Construction | 2019 |
| HHR Secure Ltd | Administrative & support | 2025 |
| Hi-Access (Scotland) Limited | Mining & quarrying | 2001 |
| Hi-Tech Acoustic Services Limited | Construction | 1983 |
| Hibar Properties Limited | Real estate | 2024 |
| Hicks Private Ltd | Transport & logistics | 2025 |
| Hidden Escapes Ltd | Hospitality | 2023 |
| Hideaway Storage Limited | Administrative & support | 2022 |
| High Corner Trading Ltd | Hospitality | 2025 |
| High Oak Property Ltd | Real estate | 2021 |
| High Rise Scaffolding Ltd | Construction | 2024 |
| Higher Ground Health Care Planning Ltd | Professional & scientific | 2015 |
| Highland Blast and Powder Coating Services Ltd | Professional & scientific | 2013 |
| Highland Chinese Foods Ltd | Real estate | 2010 |
| Highland Creative Ltd. | Other services | 2019 |
| Highland Food Group Limited | Professional & scientific | 2005 |
| Highland Game Limited | Manufacturing | 1997 |
| Highland Hair Therapy Ltd | Other services | 2010 |
| Highland International Limited | Manufacturing | 2017 |
| Highland Logic Ltd | Information & communication | 2025 |
| Highland Moon Ltd | Wholesale & retail | 2020 |
| Highland Produce Limited | Manufacturing | 2018 |
| Highland Retail Limited | Wholesale & retail | 2012 |
| Highland Tailor Ltd | Manufacturing | 2019 |
| Highland Venture Capital Limited | Administrative & support | 2006 |
| Highlander Games Limited | Arts & recreation | 2020 |
| Highlanders Taste Ltd | Hospitality | 2019 |
| Highstar Management L.P. | | 2015 |
| Highstream Estates Ltd | Real estate | 2026 |
| Hightower Mechanical Services Ltd | Construction | 2026 |
| Hill & Co Joinery Ltd | Construction | 2024 |
| Hill&Hamilton Barbers Ltd | Other services | 2024 |
| Hillboard Industries L.P. | | 2015 |
| Hillclock Retail Ltd | Wholesale & retail | 2023 |
| Hillcrest Enterprises Limited | Real estate | 2019 |
| Hillcrest Futures Limited | Health & social care | 2003 |
| Hillcrest Maintenance Limited | Other services | 1991 |
| Hillcross Consultancy Limited | Other services | 2015 |
| Hillerod Limited | Financial services | 1990 |
| Hillfront Company L.P. | | 2015 |
| Hillpark Construction Ltd | Construction | 2024 |
| Hillside Haven (Fife) Ltd | Real estate | 2026 |
| Hillspice Ltd | Hospitality | 2024 |
| Hilltown Asian Foods Ltd | Wholesale & retail | 2021 |
| Hilltown Chinese Ltd | Hospitality | 2026 |
| Hilltown Convenience Limited | Wholesale & retail | 2013 |
| Hilltown Electrical Limited | Construction | 2019 |
| Hilltown Groccers Ltd | Wholesale & retail | 2025 |
| Hilltown Motors Limited | Wholesale & retail | 2020 |
| Hilltown Taxis Ltd | Transport & logistics | 2018 |
| Hillview Joinery Ltd | Construction | 2024 |
| Hillwood Construction Limited | Construction | 2013 |
| Hillwood Developments Limited | Construction | 2025 |
| Hilly Haulage (Carnoustie) Ltd | Transport & logistics | 2017 |
| Hilton Technical Services Ltd | Professional & scientific | 2010 |
| Hilvoak Limited | Real estate | 1986 |
| Hipos Pro Ltd | Information & communication | 2026 |
| Hippy BUS Limited | Hospitality | 2023 |
| Hira Malik Limited | Professional & scientific | 2024 |
| Historic Ally Ltd | Administrative & support | 2024 |
| HIT Machine Music Ltd | Information & communication | 2024 |
| Hitchat Network LP | | 2019 |
| Hivee Ltd | Information & communication | 2026 |
| HKS GAS Maintenance Services Ltd | Construction | 2019 |
| HLD Limited | Manufacturing | 2025 |
| HLG Safety Systems Ltd | Professional & scientific | 2016 |
| HM Fish Merchant Limited | Wholesale & retail | 2021 |
| HM Properties Dundee Ltd | Extraterritorial | 2025 |
| HMR Consulting Limited | Professional & scientific | 2007 |
| Hoddom Castle Coach House Limited | Administrative & support | 2020 |
| Hodgsons Anglo-Scottish Transport Limited | Professional & scientific | 1977 |
| Hodnett's (Scotland) Ltd | Wholesale & retail | 2011 |
| Holdform Services L.P. | | 2015 |
| Holistikia Services Ltd | Health & social care | 2025 |