| Glenferness Mains Farm | | 1981 |
| Glenglass Electrical Limited | Construction | 2025 |
| Goldmap Limited | Professional & scientific | 2008 |
| Gordon Main Financial Services | | 1997 |
| GOW Mechanical Services Ltd | Professional & scientific | 2025 |
| Grants of Nairn Ltd | Other services | 2017 |
| Green Ball Polo Limited | Arts & recreation | 2017 |
| Green Energy Advisory Scotland Ltd | Professional & scientific | 2021 |
| H & M Overseas Limited | Administrative & support | 1986 |
| H B Innes & SON | | 2001 |
| H B L Building and Roofing Ltd | Construction | 2021 |
| H&I Steel Buildings Ltd | Wholesale & retail | 2019 |
| Harbour Street Pours Ltd | Hospitality | 2021 |
| Hasan (Grantown) Ltd | Hospitality | 2022 |
| HAY Lodge Limited | Hospitality | 2025 |
| Heather Fishing Company Limited | Agriculture & fishing | 1991 |
| Hebron House Care Home | | 2009 |
| Hebron House Nursing Home Ltd | Health & social care | 2012 |
| Helica (Scotland) Ltd | Construction | 2012 |
| Helix Safety Limited | Professional & scientific | 2007 |
| High Water (Scotland) Ltd. | Water & waste | 2003 |
| Highland Access Solutions Limited | Construction | 2019 |
| Highland Activities Ltd | Arts & recreation | 2006 |
| Highland Ayurveda Ltd | Health & social care | 2022 |
| Highland Building Management Limited | Construction | 2010 |
| Highland Classic Car Hire Ltd | Administrative & support | 2020 |
| Highland Classic Car Storage Ltd | Transport & logistics | 2023 |
| Highland Collective Ltd | Professional & scientific | 2025 |
| Highland Concept Ltd | Real estate | 2021 |
| Highland Construction Equipment Limited | Extraterritorial | 2018 |
| Highland Fencing & Barrier Contractors Limited | Construction | 2011 |
| Highland FOX Joinery Services Limited | Construction | 2026 |
| Highland FOX Limited | Real estate | 2021 |
| Highland HAN Limited | Wholesale & retail | 2017 |
| Highland Hardware Ltd | Wholesale & retail | 2018 |
| Highland Heart Ltd | Real estate | 2024 |
| Highland Hosts Limited | Wholesale & retail | 2025 |
| Highland Muck Shifting Contractors Limited | Agriculture & fishing | 2019 |
| Highland Practitioner Services Ltd | Education | 2024 |
| Highland Restaurant & Bar Ltd | Hospitality | 2018 |
| Highland Restaurant (Trading) Ltd | Hospitality | 2019 |
| Highland Steel Buildings Ltd | Wholesale & retail | 2019 |
| Highland Surveyors Ltd | Professional & scientific | 2020 |
| Highland TAN Ltd | Other services | 2025 |
| Highland Vitality Ltd | Manufacturing | 2025 |
| Highland Water Supplies Ltd | Water & waste | 2019 |
| Highland Yoga Collective C.I.C. | Other services | 2021 |
| Highlands Steel Buildings Ltd | Wholesale & retail | 2019 |
| Highlands&Islands Steel Buildings Ltd | Wholesale & retail | 2019 |
| Highweld Ltd | Administrative & support | 2017 |
| History Matters Limited | Education | 2011 |
| Hlmcoatings Ltd | Construction | 2026 |
| Honest Bros Ltd | Wholesale & retail | 2021 |
| Hunter GAS & OIL Services Limited | Construction | 2018 |
| Hutcheson Financial Services Limited | Financial services | 2008 |
| IC Websites Ltd | Information & communication | 2019 |
| Ideal Construction and Renovations Ltd | Construction | 2026 |
| IFM Electrical Ltd | Manufacturing | 2024 |
| Ihayami Danssa Ltd | Arts & recreation | 2025 |
| IN the MIX Studio Limited | Information & communication | 2021 |
| Indyscot Limited | Professional & scientific | 2024 |
| Innes Pipes Limited | Wholesale & retail | 2004 |
| INNOV8 Green Energy Ltd | Professional & scientific | 2022 |
| Insite Construction Services Ltd | Construction | 2021 |
| Inverness Farmers' Market Limited | Wholesale & retail | 2000 |
| Inverness Retail and Business Park Limited | Real estate | 1988 |
| Inverness Slaters Limited | Wholesale & retail | 1963 |
| Inverness Tours Ltd | Administrative & support | 2013 |
| Irevise LLP | | 2015 |
| Isabella Cawdor Limited | Professional & scientific | 2017 |
| IV12 Ltd | Hospitality | 2023 |
| J & S Properties (Nairn) Ltd | Real estate | 2024 |
| J.C.J.M. Limited | Agriculture & fishing | 2007 |
| Jalap Limited | Real estate | 2024 |
| Jamal Tandoori (Speyside) Ltd | Hospitality | 2024 |
| James Wallace Business Services Ltd | Professional & scientific | 2012 |
| James's Limited | Wholesale & retail | 2018 |
| Jamie Walker Ltd | Construction | 2013 |
| Jappy Investment Services (Scotland) Ltd | Financial services | 2022 |
| Jasmine MAY Limited | Administrative & support | 2024 |
| Jems International Ltd | Hospitality | 2025 |
| JK Quality Ltd | Administrative & support | 2024 |
| JLM & REM Ltd | Professional & scientific | 2020 |
| JM Landscapes Limited | Administrative & support | 2021 |
| JM Plant Operators Ltd | Administrative & support | 2020 |
| JMR Access Ltd | Professional & scientific | 2019 |
| Jmvv Solutions Ltd | Professional & scientific | 2012 |
| Joanna Johnston Aesthetics & Skin Limited | Other services | 2025 |
| John Gordon & SON Limited | Agriculture & fishing | 1985 |
| Jowett Dental LAB Ltd | Other services | 2013 |
| Juniper FOX Designs Ltd | Professional & scientific | 2022 |
| K & I Accountancy & Taxation Solutions Ltd | Professional & scientific | 2011 |
| K Webster Plumbing & Heating Ltd | Construction | 2023 |
| KAP Developments Ltd | Construction | 2020 |
| Keith Laird Eyecare Limited | Health & social care | 2016 |
| Kelbridge Limited | Administrative & support | 2004 |
| Kevin Bruce Funeral Services Limited | Other services | 2018 |
| Khmer Construction Management Ltd | Professional & scientific | 2022 |
| Kildrummie Limited | Construction | 2008 |
| KJ Architectural Plans Ltd | Professional & scientific | 2026 |