| H1V3 Limited | Wholesale & retail | 2024 |
| H20KCM Ltd | Construction | 2025 |
| H2FUTURE Limited | Professional & scientific | 2019 |
| H2N Housing Ltd | Real estate | 2021 |
| HA Kebab Ltd | Hospitality | 2025 |
| Haar Coffee Limited | Manufacturing | 2025 |
| Haarsin Consulting Ltd | Information & communication | 2023 |
| Hadayna Ltd | Wholesale & retail | 2023 |
| Hades Print Ltd | Manufacturing | 2023 |
| Hafsa Ltd | Real estate | 2023 |
| Hagan Electrical Group Ltd | Construction | 2026 |
| Haggis Trotter Limited | Wholesale & retail | 2021 |
| Hagi Ltd | Professional & scientific | 2019 |
| Hagland Shipbrokers UK Ltd | Transport & logistics | 2018 |
| Hai-Luhnd Organics Ltd | Wholesale & retail | 2020 |
| Hair at the Alcove Ltd | Other services | 2024 |
| Hair Solutions Aberdeen Limited | Other services | 2010 |
| Hair Union Square Limited | Other services | 2015 |
| Hair.Com Aberdeenshire Limited | Other services | 2021 |
| Hajartrade Ltd | Wholesale & retail | 2023 |
| Halal Beauty Company Ltd | Wholesale & retail | 2018 |
| Halcol Ltd | Other services | 2025 |
| Haldis Solutions Ltd | Public administration | 2016 |
| Half Gill Limited | Hospitality | 2018 |
| Hall Morrice LLP | | 2011 |
| Hall Russell Limited | | 1897 |
| Hallforest Consulting Limited | Professional & scientific | 2018 |
| Halliburton Management Limited | Administrative & support | 2002 |
| Halliday Fraser Munro (Properties) Limited | Real estate | 1993 |
| Halliday Fraser Munro Limited | Professional & scientific | 2006 |
| Hallmark Guest House and Facilities Services Limited | Hospitality | 2024 |
| Halo Fitness Studio Ltd | Arts & recreation | 2025 |
| Halo RSB Ltd | Hospitality | 2023 |
| Halux Holdings Ltd | Financial services | 2024 |
| HAM121.COM Limited | Administrative & support | 2021 |
| Hamifly Limited | Construction | 2022 |
| Hamilton Medical Group LLP | | 2025 |
| Hamilton Moir Dance Ltd | Education | 2019 |
| Hamilton Residential Limited | Households | 1991 |
| Hamish Beedie Metering Services Ltd. | Professional & scientific | 2017 |
| Hammersmith Properties Limited | Real estate | 2013 |
| Hampton & Associates Ltd | Professional & scientific | 2017 |
| Hamr Properties Ltd | Real estate | 2022 |
| Handl Automotive Limited | Wholesale & retail | 2019 |
| Handyl Properties Limited | Real estate | 2016 |
| Hangovers Limited | Wholesale & retail | 2025 |
| Hanson Foster Engineering Ltd | Professional & scientific | 2015 |
| Happiness Property Limited | Construction | 2024 |
| Happy Bears Trade Ltd | Wholesale & retail | 2019 |
| Happy Feast Ltd | Hospitality | 2026 |
| Happy House 168 Limited | Hospitality | 2025 |
| Happy House ABD Ltd | Hospitality | 2022 |
| Happy OON Ltd | Hospitality | 2026 |
| Happy Park Street Ltd | Hospitality | 2025 |
| Happy Shopper Aberdeen Ltd | Wholesale & retail | 2024 |
| Happy Taps Plumbing and Heating Installs Ltd | Construction | 2021 |
| Harbour Bloom Ltd | Wholesale & retail | 2025 |
| Harbour Haulage Limited | Transport & logistics | 2000 |
| Hardanger Fjord LP | | 2014 |
| Harel Consulting Limited | Information & communication | 2025 |
| Haremoss Design Limited | Professional & scientific | 2012 |
| Harestone Moss Farms Ltd | Agriculture & fishing | 2018 |
| Harestone Moss Limited | Hospitality | 2021 |
| Hark Studios Limited | Administrative & support | 2014 |
| Harlaw 2025 Limited | Construction | 2000 |
| Harlaw Acquisitions Limited | Real estate | 2014 |
| Harlaw Investments (Aberdeen) Limited | Real estate | 1971 |
| Harlaw Property and Management Services Limited | Real estate | 1979 |
| Harley Henderson Ltd | Construction | 2024 |
| Harloo Homes Ltd | Real estate | 2020 |
| Harmon Engineering Services Limited | Administrative & support | 2017 |
| Harmonics Record Ltd | Information & communication | 2025 |
| Harmonie Ventures Limited | Wholesale & retail | 2012 |
| Harmonious Lingerie Ltd | Wholesale & retail | 2023 |
| Haroon Hayat Ltd | Wholesale & retail | 2025 |
| Harper Family Limited | Real estate | 2025 |
| Harper UK (Aberdeen) Ltd | Manufacturing | 2016 |
| Harpete Limited | Real estate | 2020 |
| Harrel Oilfield Services Ltd | Mining & quarrying | 2018 |
| Harriett Holdings Ltd | Other services | 2022 |
| Harrietts of Holburn Ltd | Other services | 2025 |
| Harris & FOX Limited | Other services | 2018 |
| Harris Citi Limited | Real estate | 2012 |
| Harris Golf Ltd | Administrative & support | 2026 |
| Harrison & Reeve Limited | Transport & logistics | 1929 |
| Harrow Bliss LP | | 2014 |
| Harry Fraser Catering Services Limited | Administrative & support | 2003 |
| Harry Walker Limited | Other services | 2005 |
| Harshi Engineering Services Limited | Professional & scientific | 2011 |
| Hartington Storage Limited | Hospitality | 2015 |
| Hartley Anderson Limited | Professional & scientific | 1998 |
| Hartley Hill Ltd | Manufacturing | 2012 |
| Hartwell Petroleum Ltd. | Mining & quarrying | 2005 |
| Harvest Earth Limited | Construction | 2021 |
| Harvest Earth Nutrition Ltd | Wholesale & retail | 2025 |
| Harvester Energy (UK) Limited | Administrative & support | 2022 |
| Harvey Robinson Oilfield Services Ltd | Professional & scientific | 2023 |
| HAS Foods Ltd | Extraterritorial | 2018 |
| Hashleena Ltd | Wholesale & retail | 2020 |
| HASS247 Limited | Professional & scientific | 2015 |