| Humara Group Ltd | Administrative & support | 2026 |
| Hunting & Shooting Ltd. | Agriculture & fishing | 2012 |
| Huntly Trading Post Ltd | Wholesale & retail | 2024 |
| Hycaero Limited | Manufacturing | 2014 |
| Hydrocarbon Asset Maintenance Ltd. | Professional & scientific | 2008 |
| Hyppio Ltd | Information & communication | 2026 |
| I & D Property Development Limited | Real estate | 2018 |
| I & G Urquhart Limited | Other services | 2014 |
| I B Marine Consultancy Ltd | Mining & quarrying | 2020 |
| I Boxit 2023 Limited | Financial services | 2023 |
| I Boxit Research Ltd | Professional & scientific | 2025 |
| I Guler Ltd. | Agriculture & fishing | 2014 |
| I R Foods Ltd | Hospitality | 2022 |
| I.A.M. Fishing & Engineering Ltd | Professional & scientific | 2013 |
| IAN J Milne Limited | Manufacturing | 2016 |
| IAN Milne & SON Contractors Ltd | Construction | 2003 |
| IAN Nebbiolo Limited | Information & communication | 2021 |
| IAN R Mackie Ltd. | Agriculture & fishing | 2003 |
| IAN W Bruce Coach Hire Ltd. | Transport & logistics | 2000 |
| IB Eiendom Ltd | Real estate | 2024 |
| IBE Corp Ltd | Construction | 2025 |
| Ice Gold Services Ltd | Professional & scientific | 2019 |
| IFS Fish Ltd | Wholesale & retail | 2023 |
| Ignite Jobs Aberdeenshire Ltd | Administrative & support | 2025 |
| IMH Technical Services Ltd | Mining & quarrying | 2017 |
| Imij Hair Ltd | Other services | 2023 |
| IN HIS Care Ltd | Health & social care | 2023 |
| Independent Oilfield Services Limited | Professional & scientific | 2012 |
| Indulgent Desires Ltd | Information & communication | 2020 |
| Infinity Fishing Company Limited | Agriculture & fishing | 2025 |
| Injury Time Physiotherapy Limited | Administrative & support | 2013 |
| Inspector Gadgie Ltd | Professional & scientific | 2012 |
| Integrity & Security Ltd | Administrative & support | 2019 |
| Integrity Offshore Resources Limited | Other services | 2015 |
| Inter-Training (Systems) Ltd. | Education | 1998 |
| Inveran Consultancy Limited | Administrative & support | 2020 |
| Inverfish Limited | Agriculture & fishing | 2020 |
| Inverness Smile Centre Ltd | Health & social care | 2026 |
| Isafe Solutions Ltd | Professional & scientific | 2024 |
| Ismile Links Ltd | Health & social care | 2023 |
| Itsinspection Ltd | Mining & quarrying | 2025 |
| J & G Energy Ltd | Administrative & support | 2010 |
| J & J M Enterprises Ltd. | Agriculture & fishing | 2003 |
| J & L Cordiner Ltd. | Agriculture & fishing | 2011 |
| J & S Campbell Contract Ltd. | Agriculture & fishing | 2006 |
| J a R Fishing Ltd. | Agriculture & fishing | 2011 |
| J and K Property Management Limited | Real estate | 2019 |
| J B Fishing Limited | Agriculture & fishing | 2003 |
| J B Fishing PHD Ltd | Agriculture & fishing | 2025 |
| J B J Aviation Limited | Manufacturing | 2025 |
| J D Engineering Consultants Ltd | Professional & scientific | 2010 |
| J J M (INT) Limited | Other services | 2012 |
| J Morgan Fishing Ltd | Agriculture & fishing | 2022 |
| J Ross Services Ltd. | Real estate | 2017 |
| J S Plumbing & Heating (Scotland) Ltd. | Construction | 2011 |
| J W Fishing Services Ltd | Agriculture & fishing | 2015 |
| J. Strachan Joinery Services Ltd | Construction | 2010 |
| J. Waugh Electrical Services Ltd. | Agriculture & fishing | 2004 |
| J.A. Buchan Ltd. | Agriculture & fishing | 2004 |
| J.C. Rennie & Co., Limited | Manufacturing | 2010 |
| J.R. Electrics Ltd. | Construction | 2006 |
| J7 R.Access Welding Services Ltd | Construction | 2021 |
| JA Adamson & Grampian Regional Council | | 1990 |
| Jace QS Ltd | Professional & scientific | 2014 |
| Jackson Offshore Supply Limited | Wholesale & retail | 2008 |
| Jackson Trawls Limited | Manufacturing | 1975 |
| Jacqs (Aberdeen) Limited | Administrative & support | 2015 |
| James a Henry Plumbing & Heating Ltd. | Construction | 2003 |
| James H Fowlie and Company | | 1984 |
| James Macintosh Ltd. | Construction | 2007 |
| James Moir Heating Plumbing & Building Services Ltd. | Construction | 2002 |
| James Stephen Fishing Ltd | Agriculture & fishing | 2020 |
| Jazmayne Embroidery and Print Limited | Other services | 2015 |
| JB Cleaning Limited | Administrative & support | 2022 |
| JB Rope Access Services Ltd | Mining & quarrying | 2024 |
| JBD Software Solutions Ltd | Information & communication | 2014 |
| JBS Engineering Ltd. | Manufacturing | 2010 |
| JBS Fabrication Ltd. | Manufacturing | 2010 |
| JBS Group (Scotland) Ltd | Administrative & support | 2016 |
| JBS Group Global Ltd | Administrative & support | 2020 |
| JBS Power Limited | Mining & quarrying | 2019 |
| Jbuckett On-Site Services Ltd | Manufacturing | 2017 |
| JC Joinery Contractor Ltd. | Construction | 2006 |
| JDS Scaffolding Ltd | Construction | 2024 |
| Jensar Accountancy Limited | Professional & scientific | 2023 |
| Jeoplan Ltd | Professional & scientific | 2014 |
| Jera Margee Ltd | Hospitality | 2024 |
| Jesmond Construction Ltd | Construction | 2009 |
| JET Stream Accountancy Limited | Professional & scientific | 2013 |
| Jewel Identity Ltd | Manufacturing | 2010 |
| JFB Property Services Ltd. | Real estate | 2017 |
| JGB Enterprises Ltd | Administrative & support | 2025 |
| JIM Scott Electrical Services Limited | Manufacturing | 2018 |
| JJR Fishing Limited | Agriculture & fishing | 2004 |
| JK Heating Services Ltd | Construction | 2020 |
| JKM Catering Limited | Hospitality | 2014 |
| JKS International Engineering Consultants Ltd. | Professional & scientific | 2004 |
| JLL Subsea Ltd | Professional & scientific | 2013 |
| JM Consulting Solutions Ltd | Real estate | 2022 |
| JMC Pathway Enterprises Ltd | Other services | 2026 |