| Gordon's Consulting Ltd | Professional & scientific | 2011 |
| Govenlock Europa Consulting and Company Representation Ltd | Professional & scientific | 2012 |
| GR Autocare Ltd | Wholesale & retail | 2016 |
| Green Circle Polymers Limited | Water & waste | 2014 |
| Greenheads Holdings Limited | Financial services | 2017 |
| Greens & Blues Limited | Wholesale & retail | 2008 |
| Grid Compliance Consult Ltd | Information & communication | 2025 |
| H H Barbour Holdings Ltd | Financial services | 2026 |
| H. Paterson Taxis Ltd. | Professional & scientific | 2002 |
| H2 Barbour Holdings Limited | Financial services | 2026 |
| Hailstone Films Limited | Information & communication | 2018 |
| Hamilton Dalrymple Trust Company. | Financial services | 1934 |
| Hamilton of Drem Limited | Water & waste | 2012 |
| Hamilton of West Fortune | Wholesale & retail | 2024 |
| Hamilton Properties (Edinburgh) Ltd | Real estate | 2024 |
| Hanco Properties Ltd | Real estate | 2022 |
| Hangar Framing Limited | Manufacturing | 2016 |
| Hearing Health Scotland Limited | Health & social care | 2020 |
| Henderson Golf Travel Ltd | Transport & logistics | 2018 |
| Herbspace CIC | Health & social care | 2016 |
| Herd Marketplace Limited | Information & communication | 2026 |
| Here Homebuilders Limited | Construction | 2018 |
| Highfield 1973 Limited | Extraterritorial | 2014 |
| Hill-Jowett Capital Ltd | Financial services | 2026 |
| Hillfire Press Ltd | Information & communication | 2021 |
| Hold Fast Management Ltd | Extraterritorial | 2024 |
| Honeybrook Investments Limited | Financial services | 2023 |
| Hoof Grills Ltd | Manufacturing | 2015 |
| Humaneye Translation Ltd | Professional & scientific | 2021 |
| Ilka Design Studio Limited | Professional & scientific | 2022 |
| Immotranslations Ltd. | Professional & scientific | 2007 |
| Inreverse Ltd | Professional & scientific | 2023 |
| Inspiring INK Ltd | Professional & scientific | 2021 |
| International Golf Logistics (UK) Ltd | Administrative & support | 2021 |
| Intrepid Cinema Limited | Information & communication | 2009 |
| Ionteg Ltd | Information & communication | 2025 |
| Iros Consulting Limited | Professional & scientific | 2012 |
| J'S Catering Services Limited | Hospitality | 2022 |
| Jackhr Ltd | Professional & scientific | 2023 |
| James and Jennifer Fairnie Limited | Other services | 2014 |
| James B Miller & Co | | 1997 |
| James Millar (Kilduff) Limited | Agriculture & fishing | 1963 |
| Jamrick Trading Ltd | Hospitality | 2025 |
| Jean's Genies Limited | Information & communication | 2014 |
| Jengra Limited | Professional & scientific | 2009 |
| Jerba Campervans Ltd. | Manufacturing | 2006 |
| Jerba Campervans Trustees Limited | Professional & scientific | 2018 |
| JET Black Goods Limited | Wholesale & retail | 2026 |
| Jim's Taxis (Scotland) Limited | Transport & logistics | 2017 |
| JM Barton and Sons Limited | Professional & scientific | 2019 |
| Joinery Erection Services Limited | Construction | 2012 |
| JP Deli & Events Ltd | Hospitality | 2013 |
| K a James (Electrical) Limited | Construction | 1997 |
| K-Fitness Travel Ltd | Administrative & support | 2025 |
| Kardua Limited | Construction | 2024 |
| Kenny Wheatley Limited | Other services | 2015 |
| Kentaxis Ltd. | Professional & scientific | 1998 |
| KIG Co. Limited | Financial services | 2018 |
| Kimanne Investments Limited | Other services | 2024 |
| Kinnoul Ltd | Professional & scientific | 2024 |
| Kool Enterprises Ltd | Real estate | 2014 |
| KWH Avant-Garde Limited | Manufacturing | 2009 |
| Lairn Investments Limited | Other services | 2024 |
| Lantern House Ltd | Hospitality | 2023 |
| Law Farmers Limited | Agriculture & fishing | 1998 |
| Leopold Accountancy Group Limited | Professional & scientific | 2012 |
| Leopold Consultancy Group Limited | Professional & scientific | 2012 |
| Leuchie | Health & social care | 2011 |
| Lighthouse Business Centre (North Berwick) Limited | Real estate | 2017 |
| Lighthouse Workspace Limited | Real estate | 2020 |
| Liminal Design Office Limited | Professional & scientific | 2023 |
| Lindhope Consultants Limited | Professional & scientific | 2016 |
| Linton Bridge Limited | Professional & scientific | 2022 |
| Lismore Capital Limited | Financial services | 2013 |
| Lixmount Anaesthesia Services Ltd | Health & social care | 2018 |
| Lizzie Bell Interiors Limited | Professional & scientific | 2004 |
| Lobsters Inc. Limited | Hospitality | 2018 |
| Local Voices Community Interest Company | Education | 2013 |
| Logaid Limited | Professional & scientific | 2015 |
| Lolapola Limited | Professional & scientific | 2019 |
| Loma Verde Ltd | Wholesale & retail | 2012 |
| Lorne Resources Ltd | Mining & quarrying | 2012 |
| Lothian Accounting Limited | Professional & scientific | 2017 |
| Lothian Locum Services Limited | Administrative & support | 2016 |
| Luceo Leaders Ltd | Professional & scientific | 2024 |
| Luke Henry Ltd | Wholesale & retail | 2026 |
| Lyndsay Fraser Architect Ltd | Professional & scientific | 2024 |
| M & M Fairnie Ltd | Agriculture & fishing | 2016 |
| M&K Catalyst Limited | Information & communication | 2024 |
| MAE White Consulting Ltd | Professional & scientific | 2013 |
| Main Logistic Support Limited | Transport & logistics | 2000 |
| Mainshill Consulting Ltd | Professional & scientific | 2023 |
| Mairi Helena Ltd. | Other services | 2018 |
| Maiscon Limited | Professional & scientific | 2011 |
| Mamatot Limited | Wholesale & retail | 2017 |
| MAP Golf Innovations Ltd | Professional & scientific | 2026 |
| Marine Procurement Ltd | Administrative & support | 2008 |
| Maritime Trading Limited | Manufacturing | 1986 |
| Martin Ettles Limited | Real estate | 2021 |
| Master Bookmakers Ltd | Arts & recreation | 2025 |