| Infracomm Group Ltd | Professional & scientific | 2025 |
| INK Developments Ltd | Real estate | 2026 |
| Innovend Ltd | Wholesale & retail | 2026 |
| Insouth Ltd | Education | 2024 |
| Inspired Catering by Alchemy Ltd | Hospitality | 2019 |
| Integrated Project Management and Engineering Ltd | Professional & scientific | 2022 |
| Intercity Internal Ltd | Manufacturing | 2022 |
| International Big Game & Bird Hunting Ltd | Agriculture & fishing | 2015 |
| Invermont Limited | Hospitality | 1997 |
| Ionic Rescue Ltd | Wholesale & retail | 2001 |
| Irenes Florist Falkirk Ltd | Wholesale & retail | 2025 |
| Iris Consulting Services Ltd | Professional & scientific | 2024 |
| Iron Petal Ltd. | Professional & scientific | 2013 |
| Irving Geddes Property Limited | Real estate | 2018 |
| ISB Group Limited | Professional & scientific | 2017 |
| Isgania Ltd | Information & communication | 2023 |
| Ismaxwind Ltd | Professional & scientific | 2022 |
| Isshy Entertainments Ltd | Hospitality | 2019 |
| IT Universe Limited | Information & communication | 2009 |
| J & a Inns Ltd | Hospitality | 2012 |
| J & J Singh Ltd | Hospitality | 2025 |
| J & K (Leasing) Ltd | Real estate | 2017 |
| J K Powerwashers Limited | Wholesale & retail | 2021 |
| J K Tyres and Autocentre (Alloa) Limited | Wholesale & retail | 2020 |
| J K Tyres and Autocentre (Falkirk) Limited | Wholesale & retail | 2020 |
| J K Tyres and Autocentre (Grangemouth) Limited | Wholesale & retail | 2020 |
| J K Tyres and Autocentre (Stenhousemuir) Limited | Wholesale & retail | 2020 |
| J K Tyres and Autocentre (Stirling) Limited | Wholesale & retail | 2020 |
| J K Tyres and Autocentre Limited | Wholesale & retail | 2003 |
| J MAC Creative Limited | Professional & scientific | 2020 |
| J O D Couriers Limited | Transport & logistics | 2003 |
| J.K. Properties (UK) Limited | Real estate | 1997 |
| JA Goodfellow Consultancy Ltd | Health & social care | 2020 |
| Jabzco Ltd | Wholesale & retail | 2026 |
| Jack James Group Limited | Financial services | 2016 |
| Jacqueline DOW Therapy Ltd | Health & social care | 2020 |
| JAJ7 Sports Consultancy Limited | Professional & scientific | 2018 |
| James Easton Builders Ltd | Construction | 2021 |
| James Horne (Wholesale) Ltd | Wholesale & retail | 2013 |
| Jana JB Company Ltd | Administrative & support | 2025 |
| Jarris Signs Ltd | Financial services | 2024 |
| Jarvie Asset Management Limited | Administrative & support | 2020 |
| Jarvie Plant Group Limited | Administrative & support | 1984 |
| Jarvie Plant Limited | Administrative & support | 2006 |
| Jarvie Plant Operated Hire Limited | Construction | 2013 |
| Jarvie Properties Limited | Real estate | 2011 |
| Jaya’S Clay Art Studio Limited | Arts & recreation | 2019 |
| JB QP Solutions Ltd | Health & social care | 2023 |
| JC Timber Mouldings Limited | Manufacturing | 2009 |
| JCT Landscapes Scotland Ltd | Administrative & support | 2023 |
| JD Lifting Solutions Ltd | Mining & quarrying | 2025 |
| Jeadak Projects Ltd | Professional & scientific | 2017 |
| Jebb Educational Psychology Ltd | Education | 2024 |
| Jfja Ltd | Professional & scientific | 2019 |
| JJ Carpentry & Joinery Limited | Manufacturing | 2025 |
| JJD Retail Limited | Wholesale & retail | 2003 |
| JLC Plant Services Ltd | Manufacturing | 2024 |
| JM Civil Engineering and Surveys Ltd | Construction | 2018 |
| Jo's 2 Go Limited | Hospitality | 2009 |
| John Mitchell Group Limited | Financial services | 2021 |
| Johnston Design Group Ltd | Other services | 2020 |
| Johnston's Handmade Tablet Ltd | Wholesale & retail | 2018 |
| Joyces (Falkirk) Limited | Other services | 2015 |
| JP Accommodation Limited | Administrative & support | 2021 |
| JP Power Rentals Limited | Administrative & support | 2011 |
| JRM Solutions Limited | Professional & scientific | 2009 |
| JRP Auto Supplies Ltd | Wholesale & retail | 2020 |
| JS Medical Aesthetics Ltd | Health & social care | 2024 |
| JTR Fitting Ltd | Construction | 2010 |
| Jump Digital Ltd | Information & communication | 1997 |
| Justjdi Limited | Administrative & support | 2003 |
| JWH Technical Services Ltd | Professional & scientific | 2010 |
| JY Consultants Ltd | Information & communication | 2022 |
| K Crystal 360 Ltd | Professional & scientific | 2025 |
| K T Services (Scotland ) Ltd | Other services | 2004 |
| K&G Cleaning Contractors Ltd | Administrative & support | 2022 |
| K&K Commercials Ltd | Wholesale & retail | 2023 |
| Kane Management Consultancy Ltd | Wholesale & retail | 2020 |
| Kastra Ltd | Professional & scientific | 2018 |
| Kelpie Renewables Ltd | Construction | 2026 |
| Kelpie Services Limited | Transport & logistics | 2018 |
| Kenny Belmont Limited | Administrative & support | 2022 |
| Kerrie's Coffee Shop Limited | Hospitality | 2023 |
| Kerse Cabs Ltd | Transport & logistics | 2018 |
| Kerseproperties Ltd | Households | 2024 |
| Kestral Switchgear Ltd | Manufacturing | 2016 |
| KGO Consulting Ltd | Professional & scientific | 2019 |
| Kilduff Holdings LLP | | 2020 |
| Kilian Marine Energies Ltd | Professional & scientific | 2026 |
| Kilted Connexions Limited | Professional & scientific | 2016 |
| Kilted Consultant Ltd | Information & communication | 2023 |
| Kingsfield 48 Ltd | Real estate | 2020 |
| Kinovec Holdings Limited | Financial services | 2025 |
| Kinovec Ltd | Wholesale & retail | 2020 |
| Kinross Electrical Services Limited | Construction | 2005 |
| KIP Mcgrath Midlothian Ltd | Education | 2022 |
| Kismat Tandoori Ltd | Hospitality | 2019 |
| Kjka Testing Solutions Ltd | Professional & scientific | 2015 |
| Klasgas Scotland Ltd | Construction | 2025 |
| KLM Commercials Ltd | Real estate | 2025 |