| Innes & Mackay Limited | Professional & scientific | 2005 |
| Innes & Partners Business Services Limited | Professional & scientific | 2014 |
| Innes & Partners Limited | Professional & scientific | 2008 |
| Innes Holdings Limited | Professional & scientific | 2013 |
| Innesmaree Bungalows Limited | Hospitality | 1963 |
| Innovate AI Automation Ltd | Information & communication | 2026 |
| Inporat Capital LP | | 2016 |
| Inshes Community Association | Other services | 2011 |
| Inshes Motor Company Limited | Wholesale & retail | 1999 |
| Instant Speed LP | | 2016 |
| Integra L.P. | | 2013 |
| Integrated POS Systems LLP | | 2016 |
| Integro L.P. | | 2013 |
| Integrum Capital L.P. | | 2014 |
| Inter Alliance L.P. | | 2014 |
| Inter Atlantic L.P. | | 2014 |
| Inter Contracts L.P. | | 2014 |
| Inter Corporation L.P. | | 2014 |
| Inter Forwarding LP | | 2016 |
| Inter Industries L.P. | | 2015 |
| Inter Management L.P. | | 2014 |
| Intera Management L.P. | | 2015 |
| Intercargo Management L.P. | | 2013 |
| Intercontinental L.P. | | 2014 |
| Intercorporate LP | | 2013 |
| Interform Investments LP | | 2016 |
| Interglobe L.P. | | 2012 |
| Interhold Enterprise L.P. | | 2014 |
| Interland Alliance L.P. | | 2014 |
| Interline Europe L.P. | | 2013 |
| International Academy of Energetic Health Ltd | Information & communication | 2023 |
| International Business Congress LP | | 2017 |
| Interport Europe L.P. | | 2013 |
| Interprime Capital L.P. | | 2013 |
| Intertimes L.P. | | 2014 |
| Interway Contracts L.P. | | 2013 |
| Interwest L.P. | | 2013 |
| Interwest National L.P. | | 2014 |
| Interwide National L.P. | | 2014 |
| Into the Light Management Ltd | Arts & recreation | 2020 |
| Intracorp ZUM LP | | 2016 |
| Intrade L.P. | | 2014 |
| Intrilo Business Services Ltd | Information & communication | 2008 |
| Inver Coille Ltd | Hospitality | 2014 |
| Inveraccess Limited | Construction | 2021 |
| Inverbloom Limited | Wholesale & retail | 1994 |
| Invercars Limited | Real estate | 1987 |
| Inverclean Laundry Ltd | Administrative & support | 2022 |
| Inverdruie Ropes Course Limited | Arts & recreation | 2009 |
| Invereach Limited | Hospitality | 2008 |
| Inverfab Ltd. | Manufacturing | 2001 |
| Invergordon Community Café CIC | Hospitality | 2024 |
| Invernails Ltd | Other services | 2024 |
| Inverness 2022 Ltd. | Hospitality | 2022 |
| Inverness Accommodation Ltd | Hospitality | 2004 |
| Inverness and Cromarty Firth Green Freeport Limited | Other services | 2022 |
| Inverness Back Pain Clinic Ltd | Health & social care | 2023 |
| Inverness Badenoch and Strathspey Citizens Advice Bureau | Public administration | 1992 |
| Inverness Barber Ltd | Other services | 2019 |
| Inverness Barber Shop Ltd | Other services | 2024 |
| Inverness Beauty Ltd | Other services | 2019 |
| Inverness Beer Ltd | Wholesale & retail | 2022 |
| Inverness BID Limited | Administrative & support | 2008 |
| Inverness Biker Gear Ltd | Wholesale & retail | 2024 |
| Inverness Cabling Ltd | Information & communication | 2022 |
| Inverness Caledonian Thistle Community Development | Arts & recreation | 2004 |
| Inverness Caledonian Thistle Football Club Social Club Limited | Hospitality | 2011 |
| Inverness Caledonian Thistle Trust Limited | Arts & recreation | 2000 |
| Inverness Car and Recovery Limited | Transport & logistics | 2025 |
| Inverness Car Company Ltd. | Wholesale & retail | 2006 |
| Inverness Chamber of Commerce | Other services | 1893 |
| Inverness Chauffeur Drive Ltd | Administrative & support | 2024 |
| Inverness City Heritage Trust | Other services | 2004 |
| Inverness City Holiday Homes Ltd | Real estate | 2024 |
| Inverness City Suites Limited | Hospitality | 2025 |
| Inverness City Taxis Limited | Transport & logistics | 2000 |
| Inverness Coffee Machine Services Ltd | Manufacturing | 2025 |
| Inverness Computer Centre Ltd. | Wholesale & retail | 2003 |
| Inverness Contracting Ltd | Professional & scientific | 2026 |
| Inverness Core Drilling Ltd | Construction | 2013 |
| Inverness Dental Laboratory LLP | | 2012 |
| Inverness Developments Limited | Real estate | 2022 |
| Inverness Dog Daycare Limited | Administrative & support | 2024 |
| Inverness Eats Ltd | Hospitality | 2020 |
| Inverness F C Limited | Hospitality | 2019 |
| Inverness Financial Advice LLP | | 2018 |
| Inverness Flooring & Furniture Ltd | Wholesale & retail | 2025 |
| Inverness Framing Company Ltd | Arts & recreation | 2022 |
| Inverness Glass Company Limited | Construction | 1958 |
| Inverness Hire Centre Ltd | Extraterritorial | 2018 |
| Inverness Homes Limited | Construction | 1998 |
| Inverness Hostel Ltd | Hospitality | 2020 |
| Inverness House Limited | Hospitality | 2018 |
| Inverness Ice Centre Limited | Arts & recreation | 2002 |
| Inverness Kart Raceway Ltd | Arts & recreation | 2010 |
| Inverness Law Centre Limited | Professional & scientific | 2008 |
| Inverness Limited | Professional & scientific | 1994 |
| Inverness Luxury Pods Limited | Hospitality | 2018 |
| Inverness Marina Limited | Transport & logistics | 2007 |
| Inverness Mini Golf Limited | Arts & recreation | 2012 |