| Gall & Co | | 1988 |
| Gall Storage (Auchnagatt) Ltd | Agriculture & fishing | 2010 |
| Gary Leslie Glazing & Maintenance Ltd | Construction | 2011 |
| GDF Electrical Inspection Ltd | Construction | 2021 |
| GE Robertson Property Limited | Real estate | 2025 |
| George Jack Fishing Ltd | Agriculture & fishing | 2018 |
| Gerasimos LP | | 2013 |
| Gifts at the Artist Gallery Limited | Administrative & support | 2019 |
| Gilmar Engineering Limited | Manufacturing | 1998 |
| Global Engery Group Limited | Professional & scientific | 2025 |
| Global Wire & Inspections Ltd | Professional & scientific | 2014 |
| GM Flow Measurement Services Ltd | Professional & scientific | 2014 |
| Go SEE Scotland/Luxe Scot Limited | Administrative & support | 2019 |
| Golden Scissors in Ellon Ltd | Other services | 2023 |
| Goraven Limited | Professional & scientific | 2022 |
| Gordon Technical Services Ltd | Professional & scientific | 2026 |
| Grampian Basket Ltd | Agriculture & fishing | 2022 |
| Grampian Catering Equipment Limited | Hospitality | 1998 |
| Grampian Event Services Ltd | Administrative & support | 2023 |
| Grampian Guns Ltd | Wholesale & retail | 2025 |
| Grampian Locksmiths Limited | Manufacturing | 2018 |
| Grampian Plant and Machinery Limited | Wholesale & retail | 2002 |
| Grampian Risk Management Limited | Professional & scientific | 2014 |
| Grampian School of Massage Ltd | Other services | 2026 |
| Granite City Trailer Hire Limited | Administrative & support | 2026 |
| Grant Engineering and Design Services Ltd | Real estate | 2011 |
| Gray Painters Ltd. | Construction | 2006 |
| Graysteele Structures Limited | Professional & scientific | 1979 |
| Great Space Design Ltd | Construction | 2023 |
| Great White Limited | Real estate | 2024 |
| Greggs Academic Services Ltd | Information & communication | 2021 |
| Grey Matter Coffee Ltd | Wholesale & retail | 2019 |
| GS Mechanical Services Limited | Wholesale & retail | 2026 |
| Gsmcm Limited | Wholesale & retail | 2014 |
| GSP Comms Ltd | Professional & scientific | 2026 |
| GSP Property Limited | Real estate | 2017 |
| GT Surface Restoration Ltd | Manufacturing | 2020 |
| H&B Fragrance Ltd | Wholesale & retail | 2021 |
| Haddo Country Park Forum Ltd | Education | 2007 |
| Haddo Energy Limited | Agriculture & fishing | 2008 |
| Haddo Highland Wear Ltd | Wholesale & retail | 2023 |
| Haddo House Angling Club Ltd | Arts & recreation | 2022 |
| Haddo Musical Theatre School Ltd | Arts & recreation | 2026 |
| Haddo Properties Limited | Households | 2022 |
| Haddo Woodland Kindergarten Ltd | Education | 2018 |
| Halcyon Spirits Ltd | Wholesale & retail | 2020 |
| Hall 77 Limited | Professional & scientific | 2013 |
| Hall of Trades Limited | Wholesale & retail | 2025 |
| Hardie Electrical Limited | Construction | 2009 |
| HAS Carwash Ltd | Administrative & support | 2025 |
| Hawklaw Design Ltd | Professional & scientific | 2025 |
| HBF Ltd | Professional & scientific | 2023 |
| Health & Safety Consultancy Services Ltd | Professional & scientific | 2007 |
| Heavy Minerals Research Consultants Limited | Mining & quarrying | 2017 |
| Heels on Wheels Limited | Health & social care | 2026 |
| Hesk Engineering Ltd | Professional & scientific | 2017 |
| Highland Estates and Leisure Limited | Real estate | 2001 |
| Highland Lodge Rental Ltd | Extraterritorial | 2018 |
| Highland Service Group Limited | Professional & scientific | 2001 |
| Highland Statistics Ltd. | Professional & scientific | 2000 |
| Hilton Geophysical Limited | Professional & scientific | 2015 |
| Hitch 'N' SIP Ltd | Hospitality | 2024 |
| Homequest Home Improvements Ltd | Construction | 2013 |
| Hugh Robertson Engineering Ltd | Professional & scientific | 2024 |
| Hunt-Benito Ltd | Information & communication | 2022 |
| Huntly Football Club Limited | Arts & recreation | 1992 |
| Hybrid Computing Limited | Information & communication | 2021 |
| Hydratech Aberdeen Ltd | Manufacturing | 2011 |
| Hydrocad Limited | Professional & scientific | 2017 |
| Hydrocon Limited | Professional & scientific | 2016 |
| IAN Fraser Decor Ltd. | Construction | 2003 |
| IAN Mitchell Davidson Limited | Administrative & support | 2017 |
| Ilyiom Ltd | Manufacturing | 2022 |
| Imcc Properties Limited | Real estate | 2024 |
| Ingram Hear Care Ltd | Wholesale & retail | 2024 |
| Ingram's Farm Ltd | Manufacturing | 2004 |
| Inky Lobster Limited | Other services | 2018 |
| Inspiration Property Services Ltd | Construction | 2013 |
| Integrated Valve Solutions Ltd | Mining & quarrying | 2011 |
| Interactive Learning Psychological Services Limited | Information & communication | 2016 |
| Interdive Subsea Limited | Extraterritorial | 2019 |
| Ironstone Barbershop Ltd | Other services | 2019 |
| IRW Services Limited | Real estate | 2000 |
| Islaina Well Services (Scotland) Limited | Administrative & support | 2005 |
| Ivdynamics Limited | Professional & scientific | 2018 |
| J K R Contractors Ltd. | Construction | 2007 |
| J L Farming Limited | Administrative & support | 2012 |
| J.C.M Services Scotland Ltd | Professional & scientific | 2019 |
| J.R. Cumming Services Ltd | Agriculture & fishing | 2012 |
| J909 Services Ltd | Other services | 2012 |
| Jack Brothers Seafoods Ltd | Wholesale & retail | 2024 |
| Jacorris Ltd | Professional & scientific | 2025 |
| James B Smith & Company Farmers | | 1987 |
| James Jamieson Ardlethen Developments Limited | Mining & quarrying | 2009 |
| James Jamieson Construction Limited | Administrative & support | 2010 |
| James Jamieson Quarries (Laurencekirk) Limited | Administrative & support | 2024 |
| Jamie Shewan Subsea Services Ltd | Professional & scientific | 2023 |
| Jamieson S Book-Keeping & Accountancy Limited | Professional & scientific | 2001 |
| Jbnr Properties Ltd | Real estate | 2025 |
| Jbsb Consulting Ltd | Professional & scientific | 2013 |