| G5 Technologies Ltd | Information & communication | 2004 |
| Gabbott Engineering Ltd. | Professional & scientific | 2006 |
| GAM Consultants Limited | Professional & scientific | 2018 |
| Gauge Mark Joinery Ltd. | Construction | 2012 |
| GD Lifting Services Ltd | Professional & scientific | 2017 |
| Gdms Engineering Ltd. | Mining & quarrying | 2007 |
| Geomecs Ltd. | Extraterritorial | 2004 |
| George a Mitchell & SON LP | | 2021 |
| George Hadden Architectural Agent Limited | Professional & scientific | 2011 |
| George Okoroma & Associates Limited | Professional & scientific | 2025 |
| Gillespie Property Scotland Limited | Real estate | 2025 |
| GJB Engineering Ltd | Professional & scientific | 2019 |
| GJP Maintenance Ltd | Administrative & support | 2020 |
| Glasgow Ahead Ltd | Information & communication | 2024 |
| Glen Cairns Video Productions Ltd | Information & communication | 2024 |
| Glen Ross Subsea Engineering Ltd | Professional & scientific | 2010 |
| Glenside Energy Services Limited | Professional & scientific | 2017 |
| Global Abseiling & Inspection Solutions Ltd | Professional & scientific | 2011 |
| Global Ace Security Ltd | Administrative & support | 2025 |
| Global Training Assets Ltd | Professional & scientific | 2025 |
| Global Underwater Hub Limited | Other services | 2004 |
| GM Energy Ltd | Professional & scientific | 2025 |
| GM Technical Inspection Ltd | Mining & quarrying | 2012 |
| Go ABB Properties Ltd | Construction | 2016 |
| Go Property (Aberdeen) Limited | Construction | 2011 |
| Golf Performance Analysis Ltd | Professional & scientific | 2009 |
| Golfers Algarve Ltd | Administrative & support | 2016 |
| Gordon R Mcdonald Ltd | Professional & scientific | 2025 |
| Gordon Scott Architectural Services Limited | Professional & scientific | 2006 |
| Gorstage Limited | Professional & scientific | 2006 |
| Grace Hills Services UK Limited | Transport & logistics | 2015 |
| Grampian Window Cleaners Limited | Administrative & support | 2012 |
| Granite & MAR Property Ltd | Extraterritorial | 2023 |
| Granite AMS Ltd | Administrative & support | 2025 |
| Granite Bridge Holdings Ltd | Financial services | 2026 |
| Granite City Rentals Ltd | Real estate | 2024 |
| Granite City Sealants Limited | Construction | 2024 |
| Granite PR Limited | Professional & scientific | 2007 |
| Grass Guzzlers Limited | Administrative & support | 2008 |
| GRB Subsea Ltd | Mining & quarrying | 2016 |
| Greenray Limited | Professional & scientific | 2008 |
| Gregdale Engineering & Management Services Limited | Professional & scientific | 2021 |
| Greymore Engineering Services Limited | Administrative & support | 2018 |
| Griffiths Ecom Ltd | Wholesale & retail | 2025 |
| Growdot Limited | Administrative & support | 2024 |
| GT52 Holdings Ltd | Financial services | 2023 |
| GT52 Ltd | Information & communication | 2023 |
| Gunn Engineering Services (Aberdeen) Limited | Other services | 2004 |
| H D Solutions Professional Cleaning Services Ltd | Administrative & support | 2025 |
| H4 Vector Ltd | Financial services | 2026 |
| Hafjo Ltd | Administrative & support | 2023 |
| Hair Salon Aberdeen Ltd | Other services | 2020 |
| Halny Ltd | Professional & scientific | 2012 |
| Harcus Consulting Limited | Professional & scientific | 2003 |
| Harella Engineering Limited | Professional & scientific | 2017 |
| Haughton Holiday Park Limited | Hospitality | 2021 |
| HCP Portfolio Limited | Education | 2023 |
| Healthy Business Limited | Professional & scientific | 2016 |
| Heat Connection Limited | Other services | 2004 |
| Helal & Fraser International Limited | Professional & scientific | 2023 |
| Herbs & Meats Ltd | Hospitality | 2020 |
| Heritage Property Grampian Ltd | Real estate | 2021 |
| Hermes Hydrographic Limited | Professional & scientific | 2022 |
| Herzub Ltd. | Real estate | 2023 |
| HEY Diver Ltd | Wholesale & retail | 2019 |
| HEY Sister Boutique Ltd | Wholesale & retail | 2020 |
| HFI Bridgehead Solutions International Limited | Professional & scientific | 2020 |
| HFI Consulting International Limited | Professional & scientific | 2017 |
| HFI Digital & Media Assets Limited | Professional & scientific | 2020 |
| HFI Legal Resources International Limited | Professional & scientific | 2020 |
| HFI Smart Contracts Solutions Limited | Professional & scientific | 2022 |
| HI PAV Ltd | Information & communication | 2023 |
| Hi-Impact Energy Limited | Mining & quarrying | 2015 |
| Hillfoot Holidays Limited | Real estate | 2021 |
| HRG Well Solutions Limited | Professional & scientific | 2019 |
| Hydrohub Ltd | Professional & scientific | 2024 |
| Hypanode Ltd | Professional & scientific | 2022 |
| Hypo Tune Ltd | Wholesale & retail | 2021 |
| I-Protech Renewables Ltd | Construction | 2020 |
| I-Protech Technology Limited | Construction | 2015 |
| IAL Well Test Engineering Services Limited | Administrative & support | 2007 |
| Iaosh-Uk Ltd | Professional & scientific | 2025 |
| IDK Property (Scotland) Limited | Real estate | 2017 |
| IEF Solutions Ltd | Professional & scientific | 2015 |
| Ihcanum Enterprise Limited | Information & communication | 2025 |
| IKM Consultants UK Ltd | Administrative & support | 2013 |
| IKM Fluid Treatment Solutions Limited | Professional & scientific | 1998 |
| IKM Subsea UK Ltd | Professional & scientific | 2014 |
| Infinity Energy Engineering Limited | Professional & scientific | 2015 |
| Infinity Engineering Systems Limited | Professional & scientific | 2020 |
| Infinity Fire & Security Solutions Ltd | Administrative & support | 2026 |
| Inglaze Ltd | Manufacturing | 2021 |
| Innostar Limited | Professional & scientific | 2019 |
| Inorep Design Ltd | Professional & scientific | 2020 |
| Inspipe Integrity Ltd | Professional & scientific | 2019 |
| Inspire Catering Scotland LLP | | 2008 |
| INT6 Ltd | Information & communication | 2016 |
| Intepik Limited | Information & communication | 2016 |
| International Catering & Support Services Ltd | Hospitality | 2026 |
| Interrex Ltd | Wholesale & retail | 2021 |