| Herd Klub Ltd | Arts & recreation | 2023 |
| Herd Tech Limited | Professional & scientific | 2026 |
| Heritage Fire and Safety Limited | Professional & scientific | 2009 |
| Heritage Properties Scotland (Tayport) Limited | Professional & scientific | 1997 |
| Hermit Services (Scotland) Limited | Professional & scientific | 2008 |
| Hernia Care UK Ltd | Health & social care | 2024 |
| Hess Energy Limited | Professional & scientific | 2017 |
| Hess Property Services Limited | Real estate | 1987 |
| Hexagon Offshore Limited | Professional & scientific | 2025 |
| HEY Joey Solutions Limited | Information & communication | 2024 |
| HEY Luck Bubble Tea Ltd | Wholesale & retail | 2022 |
| HFA Limited | Financial services | 1991 |
| Hfcs Group Limited | Financial services | 2025 |
| HG Anaesthetics Limited | Public administration | 2025 |
| HGEN2 Energy Ventures Limited | Financial services | 2021 |
| HGEN2 Limited | Financial services | 2021 |
| HHS Subs Ltd | Hospitality | 2023 |
| Hiben Limited | Hospitality | 2017 |
| Hibiscus Media and Events Ltd | Professional & scientific | 2019 |
| Hibs.Net LLP | | 2007 |
| Higbea Jane Properties Limited | Real estate | 2020 |
| High Flow Oxygen Ltd | Health & social care | 2019 |
| High Speed Connections Ltd | Information & communication | 2019 |
| High Voltage Network Solutions Ltd | Professional & scientific | 2024 |
| Higher Calling Flowers and Events Ltd | Other services | 2014 |
| Higher Ground Campus Ltd | Education | 2019 |
| Highfield Property Investments Limited | Construction | 1987 |
| Highflow Pressure & Property Services Ltd | Administrative & support | 2026 |
| Highland Antiques Limited | Wholesale & retail | 2009 |
| Highland Asset Management Limited | Transport & logistics | 2003 |
| Highland Chattel Ltd | Real estate | 2026 |
| Highland Clicks Ltd | Wholesale & retail | 2024 |
| Highland Dreams GP Unlimited | Financial services | 2014 |
| Highland Dreams LP | | 2014 |
| Highland Fuels (Investments) Limited | Professional & scientific | 2009 |
| Highland Fuels Holdings Limited | Professional & scientific | 2001 |
| Highland Fuels Limited | Wholesale & retail | 1957 |
| Highland Fuels Trustees Limited | Professional & scientific | 2023 |
| Highland Heat Harvesters Ltd | Construction | 2023 |
| Highland Human Rights Limited | Professional & scientific | 2024 |
| Highland Libations Ltd | Administrative & support | 2025 |
| Highland Moss Ltd | Wholesale & retail | 2021 |
| Highland Offshore Services Limited | Administrative & support | 2020 |
| Highland Oilfield Services Group Ltd. | Professional & scientific | 2019 |
| Highland Onshore Services Limited | Administrative & support | 2020 |
| Highland OS Group Ltd. | Professional & scientific | 2002 |
| Highland Quality Construction Limited | Wholesale & retail | 1994 |
| Highland Resorts (Loch Ness) Limited | Hospitality | 2023 |
| Highland Roofline Ltd. | Construction | 2015 |
| Highland Rope Access - Inspection Limited | Administrative & support | 1998 |
| Highland Scaffolding Services Limited | Extraterritorial | 1991 |
| Highland Universal Fabricators Limited | Construction | 2007 |
| Highland Whisky Auctions Limited | Wholesale & retail | 2021 |
| Highland Whisky Exports Ltd | Wholesale & retail | 2025 |
| Highlander Food Group Ltd | Hospitality | 2026 |
| Highlander Properties & Investment Ltd | Real estate | 2020 |
| Highlands Courier Ltd | Transport & logistics | 2019 |
| Highlands Pharma Ltd | Wholesale & retail | 2025 |
| Highlandxpress Ltd | Wholesale & retail | 2026 |
| Highline Fleet Services Ltd | Manufacturing | 2023 |
| Highline Property Investments Ltd | Real estate | 2026 |
| Highline Property Maintenance Limited | Extraterritorial | 2021 |
| Highmuir Limited | Administrative & support | 2007 |
| Highpoint Crail Ltd. | Administrative & support | 2011 |
| Hightower Design Limited | Professional & scientific | 2023 |
| Hikode Ltd | Information & communication | 2014 |
| HIL10 Chipper Ltd | Hospitality | 2024 |
| Hill of Blairfowl Wind Farm Limited | Energy | 2013 |
| Hillington Park Dental Practice Limited | Health & social care | 2007 |
| Hillock Holdings Limited | Real estate | 2024 |
| Hillside Properties (Scotland) Limited | Real estate | 2016 |
| Hillstone Capital Ltd | Real estate | 2026 |
| Hilton Instruments Limited | Wholesale & retail | 1989 |
| Hilton of Murtle Farm Partnership | | 2002 |
| Hilts Digital Ltd | Information & communication | 2025 |
| Himalayan Tandoori Ltd | Hospitality | 2024 |
| Hingston's Law Limited | Professional & scientific | 2017 |
| Hinton Building Service Ltd | Construction | 2026 |
| Hireroad Ltd | Administrative & support | 2020 |
| Hitch Advisor Limited | Other services | 2016 |
| Hitech CAD Services Ltd | Administrative & support | 2006 |
| Hitech Properties (Aberdeen) Ltd | Real estate | 2026 |
| Hive Home Care Limited | Health & social care | 2025 |
| Hjag 2023 Limited | Manufacturing | 2008 |
| HKC Properties (Aberdeen) Limited | Hospitality | 1999 |
| Hkdc Limited | Professional & scientific | 2019 |
| HKG Lotus Limited | Real estate | 2004 |
| Hltrt Ltd | Wholesale & retail | 2022 |
| HM Autocentre Ltd | Wholesale & retail | 2021 |
| HM Secretaries Limited | Extraterritorial | 2012 |
| HML Trustees Limited | Administrative & support | 2003 |
| HMM Properties Limited | Construction | 2012 |
| Hmsc Services Ltd | Professional & scientific | 2020 |
| HMY Health Limited | Health & social care | 2018 |
| HNG Geological Ltd | Mining & quarrying | 2013 |
| HO PHU Ltd | Hospitality | 2025 |
| Hobson Group Ltd | Financial services | 2026 |
| Hobson Joinery Ltd | Construction | 2026 |
| Hochbau Ltd | Professional & scientific | 2017 |
| Hogan Properties (Aberdeen) Ltd | Other services | 2014 |