| JG GAS Ltd | Construction | 2019 |
| JG Properties (Dundee) Limited | Households | 2020 |
| JG Removals & Storage Limited | Transport & logistics | 2021 |
| JG Scotland Ltd | Wholesale & retail | 2015 |
| JGR Inspection Ltd | Professional & scientific | 2019 |
| JH Decor Ltd | Construction | 2025 |
| JI Roofing Solutions Ltd | Construction | 2022 |
| Jigsaw Business Solutions (Scotland) Limited | Administrative & support | 2013 |
| Jigsaw Media OP Co Limited | Financial services | 2025 |
| Jigsaw Properties (Scotland) Limited | Real estate | 2021 |
| JIM Butter Plumbing & Heating Ltd | Construction | 2011 |
| Jimmac Ltd | Households | 2025 |
| Jimmy Shaw Decorators Ltd | Construction | 2025 |
| JIS Properties Ltd | Real estate | 2020 |
| JIY Couriers Ltd | Transport & logistics | 2024 |
| Jjcb Limited | Water & waste | 2024 |
| Jjem Plumbing Ltd | Construction | 2019 |
| Jjks Estates Ltd | Administrative & support | 2011 |
| JJO Five Properties Limited | Real estate | 2025 |
| JJR Parcels Ltd | Transport & logistics | 2022 |
| JJS Planning Services Ltd | Professional & scientific | 2013 |
| Jjwf Ltd. | Hospitality | 2017 |
| JK Anderson Fish Merchants Ltd | Wholesale & retail | 2025 |
| JK Wood Fish Merchants Ltd | Wholesale & retail | 2025 |
| Jkellycouriers Ltd | Transport & logistics | 2026 |
| JKL Taverns Limited | Hospitality | 2024 |
| JL Flooring Dundee Limited | Construction | 2025 |
| JL Wilkie & Co Limited | Transport & logistics | 2020 |
| JM Carbon Craft Ltd | Manufacturing | 2026 |
| JM Flooring Tayside Ltd. | Construction | 2011 |
| JM Global Marine Limited | Mining & quarrying | 2011 |
| JM Hume Properties Limited | Real estate | 2016 |
| JM Hutt Services Limited | Mining & quarrying | 2013 |
| JM Joinery & Building Services Ltd | Construction | 2023 |
| JM Tyres Ltd | Manufacturing | 2025 |
| JMB Consultant Limited | Information & communication | 2026 |
| JMC Infrastructure Services Ltd | Information & communication | 2024 |
| JMC Photography Ltd | Professional & scientific | 2024 |
| Jmcg Design Ltd | Professional & scientific | 2018 |
| Jmck Trading Ltd | Wholesale & retail | 2020 |
| JMD Solutions (Dundee) Ltd | Construction | 2016 |
| JMF & Sons Ltd | Construction | 2024 |
| JMG Solutions (Scotland) Limited | Professional & scientific | 2021 |
| JMK Property Solutions Ltd | Construction | 2019 |
| Jnighean Ltd | Professional & scientific | 2021 |
| Joanna Cumming Properties Ltd | Households | 2026 |
| JOANNAMILANO6 Ltd | Hospitality | 2011 |
| JOE Mccoll Ltd | Construction | 2017 |
| Joemel Services Limited | Real estate | 2026 |
| John Anderson-Mcguinness Gardens & Landscapes Limited | Administrative & support | 2020 |
| John Clarkson Plumbing & Service Engineers Limited | Wholesale & retail | 2003 |
| John Clarkson Plumbing Ltd | Construction | 2019 |
| John D Forrest Limited | Wholesale & retail | 2017 |
| John Duncan Builders Ltd | Construction | 2020 |
| John Fergus Engineering Co Limited | Construction | 2012 |
| John Irvine Engineering Consultancy Limited | Administrative & support | 2014 |
| John James Roofing Services Ltd | Construction | 2022 |
| John Kerr & SON (Dairymen) Limited | Wholesale & retail | 1979 |
| John LI Limited | Health & social care | 2014 |
| John Mcgregor (Bro'Ty) Limited | Wholesale & retail | 2003 |
| John Need Media Ltd | Professional & scientific | 2018 |
| John Robertson Joinery Ltd | Construction | 2017 |
| John Ross Smart Care Ltd | Information & communication | 2021 |
| John Ross Smart Homes Ltd | Real estate | 2022 |
| John Sinclair Building Contractors Limited | Construction | 2024 |
| John Stewart Travel Ltd | Administrative & support | 2019 |
| John Still Steeplejacks Limited | Construction | 2026 |
| John's Auto Electrix Ltd | Wholesale & retail | 2020 |
| Johnsfield Properties Limited | Real estate | 2004 |
| Johnson Drilling Limited | Construction | 2025 |
| Johnston Pipe Solutions Limited | Professional & scientific | 2018 |
| Johnston Ventures Limited | Real estate | 2022 |
| Johnstone Masonry Ltd | Construction | 2026 |
| Joinery and Timber Creations (65) Limited | Manufacturing | 1986 |
| Joint Smart Solutions Ltd | Manufacturing | 2024 |
| Joma Creative Ltd | Information & communication | 2019 |
| Jomu Trends Ltd | Wholesale & retail | 2025 |
| JON Frullani Architect Limited | Professional & scientific | 2012 |
| JON Frullani Design LLP | | 2012 |
| Jona Properties Ltd | Real estate | 2022 |
| Jonnyev Specialist Render Ltd | Construction | 2017 |
| Jonrea Limited | Professional & scientific | 2013 |
| Jordon James Brown Limited | Wholesale & retail | 2024 |
| Josan Holdings Ltd | Financial services | 2025 |
| Joseph David Engineering Limited | Professional & scientific | 2019 |
| Joseph Murray Contracting Ltd | Construction | 2019 |
| Journeycall Limited | Administrative & support | 1999 |
| Journeys EN Famille Limited | Administrative & support | 2018 |
| Joy Lettings Limited | Real estate | 2023 |
| Joy Smile Limited | Health & social care | 2023 |
| Joyfull Foods Ltd | Hospitality | 2022 |
| Joyride Solutions Ltd | Transport & logistics | 2026 |
| JP 17 Property Ltd | Real estate | 2019 |
| JP Hold Ltd | Real estate | 2024 |
| JP Maxwell Financial Management Ltd | Financial services | 2017 |
| JP Maxwell Wealth Management Ltd | Financial services | 2017 |
| JPL Sales L.P. | | 2015 |
| JPM Dundee DPF Services LLP | | 2020 |
| Jpmd (Dundee) Ltd | Other services | 2025 |
| JPW (NO.2 ) Limited | Real estate | 2018 |