| ACC (Waterfront) Limited | Hospitality | 2021 |
| Achleck Developments Ltd | Construction | 2015 |
| Andrew Stephens and Company | | 1986 |
| Andy Lambert Consultancies Ltd. | Professional & scientific | 2019 |
| Aphelion Holdings Limited | Real estate | 2019 |
| Ardhu Power Limited | Energy | 2012 |
| Ardnacross Energy Limited | Energy | 2013 |
| Arle Accounting Ltd | Professional & scientific | 2019 |
| Aros Hatch Limited | Hospitality | 2026 |
| Banjo Beale Ltd | Professional & scientific | 2021 |
| Beadoun Ltd | Construction | 2021 |
| BEN Leva Management Limited | Professional & scientific | 2018 |
| Bendoran Watersports CIC | Education | 2020 |
| Bennelong House Ltd | Hospitality | 2025 |
| Bluechip English LP | | 2024 |
| Browns Tobermory Ltd | Wholesale & retail | 2022 |
| Caledonia Bookings Ltd | Hospitality | 2025 |
| Calgary Gift Shop Ltd | Wholesale & retail | 2024 |
| CAP Property Company Limited | Hospitality | 2017 |
| Catalysm Ltd | Other services | 2020 |
| CBF Lettings Ltd | Real estate | 2024 |
| CCL Birches Ltd | Hospitality | 2024 |
| CCL Glenforsa Ltd | Hospitality | 2023 |
| Clydesoft Limited | Construction | 1993 |
| Cnoc Fuar Partners | | 1985 |
| Co-Roinn Ghaidhlig Mhuile Agus Idhe (Mull & Iona Gaelic Partnership) | Education | 2005 |
| Coast Lets Limited | Hospitality | 2022 |
| Coolgenics Limited | Administrative & support | 2012 |
| Crossley Brothers Fishing Company Limited | Agriculture & fishing | 2015 |
| D J Macgillivray & Co | | 1985 |
| Dervaig Community Hall | Other services | 2005 |
| Dervaig P O and Store Limited | Wholesale & retail | 2011 |
| Duart Energy Limited | Energy | 2024 |
| Dunard Holdings Limited | Financial services | 2021 |
| Eaglen Veterinary Services Limited | Professional & scientific | 2021 |
| EAS Force Limited | Professional & scientific | 2017 |
| EAS Fors Ltd | Manufacturing | 2022 |
| EDE Film Productions Ltd | Arts & recreation | 2022 |
| Emote Studio Design Ltd | Arts & recreation | 2020 |
| EMT2 Ltd | Manufacturing | 2024 |
| Erray Farm Limited | Agriculture & fishing | 1983 |
| Ferguson Building Limited | Construction | 2025 |
| Field Studio Writers Ltd | Manufacturing | 2018 |
| Firm of Ardvergnish Farmers | | 1998 |
| Fishnish Food Bar Ltd | Hospitality | 2024 |
| Fishy Businez Ltd | Agriculture & fishing | 2024 |
| Forge Construction (Mull) Limited | Construction | 2019 |
| Forsden Construction Limited | Construction | 2021 |
| Gaelic SON & Co Ltd | Hospitality | 2020 |
| GC Structures Ltd | Construction | 2023 |
| GDI Academy Ltd | Education | 2025 |
| Glenforsa Airfield Limited | Transport & logistics | 2012 |
| Glenforsa Hotel Mull Limited | Hospitality | 2024 |
| GUS Robertson Building Contractor Ltd | Construction | 2019 |
| Hebridean Whale and Dolphin Trust Limited | Professional & scientific | 1997 |
| Hewitt Account Management Limited | Professional & scientific | 2021 |
| Highland Tree Planters Ltd | Agriculture & fishing | 2026 |
| House on Mull Ltd | Wholesale & retail | 2022 |
| I-Dentify HR & Resourcing Solutions Ltd | Administrative & support | 2019 |
| IDS Holdings Limited | Financial services | 2025 |
| Inverlussa Shellfish Company Limited | Agriculture & fishing | 2004 |
| Inverlussa Shipping Co Limited | Agriculture & fishing | 2023 |
| Island Bakery Organics Limited | Manufacturing | 2010 |
| Island Blue Gallery Limited | Wholesale & retail | 2016 |
| Island Blue Publishing (Hebrides) Ltd | Manufacturing | 2016 |
| Island Solutions Limited | Professional & scientific | 2021 |
| Isle of Mull Candles Wholesale Limited | Wholesale & retail | 2025 |
| Isle of Mull Seaweed Ltd | Manufacturing | 2023 |
| Isle of Mull Soap Company Ltd | Wholesale & retail | 2019 |
| Keel ROW Consortium Ltd | Hospitality | 2022 |
| Kinlochspelve Farming Limited Partnership | | 2017 |
| Kodiak Forestry & Groundworks Ltd | Agriculture & fishing | 2021 |
| L P G Interventions Limited | Professional & scientific | 2011 |
| L&C Shellfish Ltd | Agriculture & fishing | 2022 |
| Laggan Hotel FH Limited | Hospitality | 2025 |
| Laggan Hotel OC Limited | Hospitality | 2026 |
| Laurie Property Services Limited | Hospitality | 2021 |
| Leader Investments (Scotland) Limited | Hospitality | 2013 |
| Ledaig Properties Limited | Real estate | 2024 |
| Lochavullin Commercial Limited | Real estate | 2023 |
| Macdonald & Fair Limited | Hospitality | 2021 |
| Macgochans Limited | Hospitality | 2013 |
| Marketing Mull and Iona Community Interest Company | Other services | 2016 |
| Mcadam Performance and Test Ltd | Administrative & support | 2025 |
| MES J E Goodfellow | | 1988 |
| Messrs Macgillivray | | 1992 |
| MFV Vervine Limited | Agriculture & fishing | 2016 |
| Mikaela Maclean Limited | Other services | 2026 |
| Muddy Pearl Ltd | Information & communication | 2013 |
| Mull & Iona Community Enterprise Limited | Arts & recreation | 1997 |
| Mull & Iona Payroll Services Ltd | Professional & scientific | 2020 |
| Mull & Iona Pest Control Ltd | Administrative & support | 2025 |
| Mull and Iona Community Trust | Agriculture & fishing | 1997 |
| Mull Bespoke Cabinetry Ltd | Manufacturing | 2021 |
| Mull Campus Working Group Limited | Other services | 2025 |
| Mull Car Club Limited | Other services | 2010 |
| Mull Developments Ltd | Construction | 1980 |
| Mull Hotels Limited | Hospitality | 2021 |
| Mull Marine Facility Limited | Manufacturing | 2019 |
| Mull Pottery Studio Ltd | Manufacturing | 2025 |