| HIT Entertainment Scottish Limited Partnership | | 2005 |
| HIT Technologies LP | | 2014 |
| Hitech Capital LP | | 2017 |
| Hitgraz LP | | 2014 |
| Hitoo Ltd | Information & communication | 2020 |
| Hive Digital Solutions Limited | Information & communication | 2025 |
| Hive Mind Speaks Limited | Arts & recreation | 2025 |
| Hive Spaces Limited | Real estate | 2020 |
| Hive Structural Ltd | Professional & scientific | 2025 |
| Hivenet Ltd | Professional & scientific | 2026 |
| Hivepay Technologies Ltd | Information & communication | 2026 |
| Hiwa (OT) Limited | Other services | 2023 |
| Hiwa Ltd. | Other services | 2017 |
| Hixonium Optoelectronics Ltd | Manufacturing | 2024 |
| Hizer Engineering LP | | 2014 |
| Hjaa Ltd | Transport & logistics | 2024 |
| HJK Worldwide Associates Limited | Arts & recreation | 2018 |
| HK China Limited | Hospitality | 2015 |
| HK City Consultants Ltd | Construction | 2024 |
| HK Offshore Services L.P. | | 2012 |
| HK Stores Ltd | Wholesale & retail | 2024 |
| HK Surveying & Design LLP | | 2008 |
| HK Taste Limited | Hospitality | 2024 |
| Hkdk Ltd | Professional & scientific | 2024 |
| Hkedi Badminton Club CIC | Education | 2024 |
| Hker Bakery Ltd | Manufacturing | 2022 |
| HKF Edinburgh Ltd | Hospitality | 2022 |
| Hkgn Limited | Wholesale & retail | 2025 |
| Hkgy Limited | Hospitality | 2018 |
| HKK Management Ltd | Extraterritorial | 2012 |
| HKS Knitwear (UK) Limited | Manufacturing | 1998 |
| Hlfranke Ltd | Administrative & support | 2023 |
| HLY Property Group Limited | Real estate | 2025 |
| HM Corporate Services Ltd | Wholesale & retail | 2025 |
| HM Equipment Trade LP | | 2012 |
| HM Finance Coaching & Advisory Ltd | Professional & scientific | 2013 |
| HM Foods Grocery Express Limited | Wholesale & retail | 2018 |
| HM Holdco Ltd | Financial services | 2025 |
| HM Projects Limited | Administrative & support | 2024 |
| Hmacqe Ltd | Real estate | 2017 |
| HMC LP | | 2012 |
| Hmcdavid Ltd | Administrative & support | 2020 |
| Hmcr Holdings Limited | Other services | 2024 |
| HMD (Scotland) Limited | Health & social care | 2016 |
| HMD Clinical Ltd | Information & communication | 2002 |
| HMD Opticians (Banchory) Limited | Health & social care | 2008 |
| HMD Opticians (Peterhead) Limited | Health & social care | 2003 |
| HMD Opticians (Turriff) Limited | Health & social care | 2003 |
| HMD Opticians Limited | Health & social care | 1996 |
| HML Mortgage Solutions Limited | Financial services | 2022 |
| HMO Scotland Limited | Construction | 2002 |
| Hmrv Property Ltd | Real estate | 2022 |
| HMS (883) Limited | Hospitality | 2011 |
| Hmzy Properties Ltd | Real estate | 2024 |
| HN Retailers Ltd | Financial services | 2024 |
| HNA Barry Visual Arts Limited | Professional & scientific | 2024 |
| Hnbd Trading L.P. | | 2012 |
| HNE Consultants Ltd | Real estate | 2021 |
| HNG International Limited | Real estate | 2017 |
| HNL Investment Properties Ltd | Real estate | 2021 |
| HNR Immigration Advisors Ltd | Professional & scientific | 2023 |
| Hntrholdco Ltd | Financial services | 2026 |
| HNV Property Lettings Limited | Real estate | 2024 |
| HNV Property Limited | Real estate | 2019 |
| HO WON Ltd | Hospitality | 2012 |
| Ho-Asjoe Ltd. | Health & social care | 2004 |
| HOA SEN Ltd | Hospitality | 2019 |
| Hoarding Academy Limited | Education | 2024 |
| Hobartone Project LP | | 2012 |
| Hobby Academia Ltd | Wholesale & retail | 2025 |
| Hobby Module Ltd | Wholesale & retail | 2022 |
| Hobywood Trading LP | | 2015 |
| Hockey KIT Ltd | Wholesale & retail | 2025 |
| Hodei Limited | Information & communication | 2015 |
| Hodgson Kilbride & Co | | 1993 |
| Hodrulis Ltd | Hospitality | 2024 |
| Hoff Group Ltd | Manufacturing | 2022 |
| Hoffmann Electric LP | | 2016 |
| Hogg & Berry Ltd | Professional & scientific | 2025 |
| Hoggs of Edinburgh Ltd | Construction | 2015 |
| Hoggwatts Ltd | Construction | 2023 |
| Hohoho Scotland Limited | Wholesale & retail | 2022 |
| Hohokus Partners | | 1998 |
| HOI an 1 Ltd | Hospitality | 2025 |
| HOI Sing Limited | Hospitality | 2021 |
| Hoist-Uk Ltd | Mining & quarrying | 2017 |
| Hoistgreen Ltd | Manufacturing | 2025 |
| Hoito Limited | Information & communication | 2022 |
| Hoja Taiwanese Food Company Ltd | Wholesale & retail | 2025 |
| Holburn Developments Limited | Construction | 2020 |
| Holburn Property Group Ltd. | Real estate | 2011 |
| Holburn Taxi Ltd | Transport & logistics | 2023 |
| Holburn-Watts Limited | Information & communication | 1992 |
| Hold Fast Elite Ltd | Arts & recreation | 2021 |
| Holden Studio Ltd | Information & communication | 2026 |
| Holdex Sales L.P. | | 2012 |
| Holdfast Property Ltd | Real estate | 2021 |
| Holding Hands Limited | Hospitality | 2021 |
| Holding Together Star LP | | 2016 |
| Holdings Ecosse Limited | Information & communication | 1982 |