| Harveys Living Ltd | Wholesale & retail | 2024 |
| Harveytrade Ltd | Wholesale & retail | 2024 |
| Harvie Property Limited | Real estate | 2024 |
| HAS Pharma Ltd | Wholesale & retail | 2026 |
| Haulquest Logistics Ltd | Transport & logistics | 2026 |
| Hawick Trading Limited | Professional & scientific | 2018 |
| Hayfield Riding School Limited | Education | 2024 |
| HCG Contracting Limited | Professional & scientific | 2014 |
| Head for Data Ltd | Information & communication | 2023 |
| Heart of Scotland Holidays Limited | Hospitality | 2023 |
| Heart of Scotland Services Ltd | Administrative & support | 2026 |
| Heatflow Solutions Ltd | Construction | 2024 |
| Heating Solutions (Scotland) Ltd. | Other services | 2017 |
| Heatsafe Heating Limited | Construction | 2011 |
| Heavenly Touch Cleaning Services Ltd | Administrative & support | 2025 |
| Hedun Property Ltd | Real estate | 2025 |
| Helix Architecture Studio Ltd. | Professional & scientific | 2022 |
| Helix Binders Limited | Manufacturing | 2007 |
| Helix Corporate Wear Ltd | Manufacturing | 2016 |
| Helix Entertainment MCN Ltd | Information & communication | 2023 |
| Helmsdale Solutions Ltd | Information & communication | 2017 |
| Henderson Design Limited | Manufacturing | 2008 |
| Henderson Financial Planning Ltd. | Administrative & support | 2025 |
| Henderson Property Services Limited | Real estate | 2024 |
| Hennessy Engineering Limited | Professional & scientific | 2026 |
| Henry's Coffee Company Limited | Wholesale & retail | 2015 |
| Herbal Hampers Ltd | Wholesale & retail | 2022 |
| Heron Morton Consulting Limited | Health & social care | 2019 |
| Herron Property Group Ltd | Real estate | 2026 |
| Herron Vintage Ltd | Wholesale & retail | 2019 |
| Hescott Topco Limited | Financial services | 2024 |
| Hevdave Business Services Ltd | Wholesale & retail | 2023 |
| Hickman Horses Limited | Agriculture & fishing | 2026 |
| High Station Ltd | Wholesale & retail | 2020 |
| High Street Opticians Ltd | Wholesale & retail | 2011 |
| Hilston and Bennett Ltd | Manufacturing | 2024 |
| HL Plant Limited | Administrative & support | 2007 |
| HM Event Childcare Ltd | Health & social care | 2026 |
| Hodge Construction (UK) Limited | Construction | 2000 |
| Hole in Money Ltd | Arts & recreation | 2025 |
| Holly and Willow Ltd | Manufacturing | 2021 |
| Holly James Property Ltd | Real estate | 2025 |
| Homefront Signs Ltd | Manufacturing | 2012 |
| Homegrown Software Limited | Information & communication | 2009 |
| Honestas Holdings Ltd | Real estate | 2025 |
| HOP Skip & Dump Waste Services Ltd. | Water & waste | 2025 |
| Hopetree Enterprises Ltd. | Hospitality | 2008 |
| Horizon Group Falkirk Limited | Financial services | 2023 |
| Hot Chick Ltd | Hospitality | 2019 |
| House of Five Stills Ltd | Manufacturing | 2025 |
| House of Geeky GAL Ltd | Wholesale & retail | 2020 |
| House of Heels Ltd | Arts & recreation | 2025 |
| Housecall Carpets Contracts Ltd | Wholesale & retail | 2024 |
| Housecall Carpets Limited | Wholesale & retail | 2019 |
| Howie's Nature/Activity Club Ltd | Other services | 2026 |
| HPP (Falkirk) Limited | Construction | 2019 |
| HR Scot Ltd | Hospitality | 2025 |
| HS Property and Estates Ltd | Real estate | 2020 |
| HSL Capital Ltd | Construction | 2020 |
| Htrscot Ltd | Construction | 2025 |
| Hub North Ltd | Wholesale & retail | 2025 |
| Hugo Creative Services Limited | Arts & recreation | 2024 |
| Hungry Hounds Pet Supplies Ltd | Wholesale & retail | 2013 |
| Hunter Douglas Associates Ltd. | Professional & scientific | 2003 |
| Hunter Project Engineering Ltd | Professional & scientific | 2025 |
| Hunter Risk Solutions Limited | Professional & scientific | 2019 |
| Hunters Bodyshop Limited | Wholesale & retail | 2025 |
| HVS Home Valet Services Ltd | Administrative & support | 2023 |
| Hwyl & WE Ltd | Professional & scientific | 2024 |
| Hy-Clad Limited | Manufacturing | 1997 |
| Hydro-Clean Specialist Exterior Services Ltd | Administrative & support | 2025 |
| Hyndman Electrical Services Limited | Construction | 2014 |
| Hype Provide Limited | Wholesale & retail | 2022 |
| I Clark (Joinery) Ltd | Construction | 2019 |
| I Line Designs (Scotland) Ltd | Professional & scientific | 2021 |
| I Love Harris Tweed Ltd | Extraterritorial | 2010 |
| I.M.S. Engineering (Scotland) Ltd | Wholesale & retail | 2010 |
| Iain Henderson Medical Services Limited | Health & social care | 2024 |
| IAN Burns Building Services Limited | Construction | 2006 |
| IAN Murrie Haulage Ltd. | Transport & logistics | 2009 |
| Ibrahim PH Ltd | Transport & logistics | 2022 |
| Ibrahim Sqabat Ltd | Construction | 2025 |
| ICW Consultancy Ltd | Administrative & support | 2025 |
| ICW Consultants Ltd | Administrative & support | 2024 |
| ICW Transport Ltd | Transport & logistics | 2026 |
| Ieif Limited | Professional & scientific | 2009 |
| IES 1956 Limited | Manufacturing | 2015 |
| Iflexit Solutions Ltd | Wholesale & retail | 2024 |
| Igloo Ice Cream Limited | Manufacturing | 2026 |
| Igowanzz Ltd | Wholesale & retail | 2025 |
| IJK Property Limited | Real estate | 2018 |
| IKA Xtore 96 Limited | Wholesale & retail | 2025 |
| Ikram Textiles Ltd | Wholesale & retail | 2026 |
| ILS Property Services Ltd | Administrative & support | 2013 |
| IMB Transport Ltd. | Transport & logistics | 2010 |
| Impeccable Imports Scotland Limited | Wholesale & retail | 2026 |
| Imperial Roofing Building Ltd | Construction | 2024 |
| Inabah Ltd | Hospitality | 2026 |
| Inbound Talent Ltd | Information & communication | 2023 |
| Incerto Limited | Information & communication | 2021 |