| 1888 Saorsa Ltd | Hospitality | 2021 |
| 247 Taxis and Couriers Ltd | Transport & logistics | 2014 |
| 7BU2 Limited | Administrative & support | 2013 |
| 81 Cromwell Street Ltd | Administrative & support | 2025 |
| 8TH International Celtic Film Festival (the) | Extraterritorial | 1986 |
| A J Macleod Ltd | Real estate | 2026 |
| A Kennedy Properties Ltd | Real estate | 2025 |
| A Macdougall Contracting Limited | Construction | 2023 |
| Acair | Information & communication | 2017 |
| Acair Maritime Ltd | Professional & scientific | 2017 |
| AIM Inspections Limited | Professional & scientific | 2013 |
| Alan Williamson Construction Ltd | Construction | 2025 |
| Alasdair Kennedy Limited | Agriculture & fishing | 2025 |
| Alasdair R Maclean Limited | Information & communication | 2017 |
| Alex Matheson (Plumbing & Heating) Limited | Construction | 2005 |
| ALI Macleod Electrical Ltd | Construction | 2023 |
| Aline Estate Limited | Arts & recreation | 1992 |
| Alpah Limited | Construction | 2018 |
| AMK Hebrides Ltd | Real estate | 2025 |
| AMK Plant and Tipper Hire Limited | Manufacturing | 1984 |
| AMM Technical Services Limited | Professional & scientific | 2019 |
| AN Comunn Gaidhealach | Other services | 2007 |
| Anderson Macarthur Limited | Real estate | 2011 |
| Anderson Safety Contractors Ltd | Health & social care | 2026 |
| Angus Campbell Ltd. | Wholesale & retail | 1995 |
| Angus Clinton (Builders Merchants) Limited | Construction | 1974 |
| Angus Clinton (Motors) Limited | Wholesale & retail | 1972 |
| Angus Clinton (Windows) Limited | Construction | 1987 |
| Angus Mackay & Sons Ltd | Construction | 2007 |
| Aquila Shellfish Ltd | Agriculture & fishing | 2025 |
| Archibald Macrae Limited | Other services | 2016 |
| Archipelago Hebrides Ltd | Hospitality | 2018 |
| Ardvourlie Campsite Ltd | Hospitality | 2024 |
| Arnish Community Windfarm Limited | Energy | 2023 |
| Arriba of Stornoway Limited | Professional & scientific | 2015 |
| Astar Media Limited | Information & communication | 2021 |
| ATLANTIC58 Ltd | Professional & scientific | 2018 |
| Back, Gress and Vatisker Community Development Group Ltd | Extraterritorial | 2019 |
| Bali Consultancy Limited | Professional & scientific | 2021 |
| Barr 'a Yard Limited | Administrative & support | 2007 |
| Bayhead Bridge Centre (Trading) Limited | Hospitality | 2007 |
| Beckett + Sons Limited | Hospitality | 2025 |
| Bespoke Bicycles (Hebrides) Ltd | Wholesale & retail | 2015 |
| Big Bite (Stornoway) Ltd | Hospitality | 2024 |
| Birtea Express Ltd | Transport & logistics | 2026 |
| Brae Edge Services Limited | Manufacturing | 2020 |
| Bremner and Bremner Co Ltd | Professional & scientific | 2012 |
| Bridge Centre Cafe Ltd | Hospitality | 2013 |
| Buth Bheag Ltd | Wholesale & retail | 2015 |
| C.Macphail Ltd | Manufacturing | 2019 |
| Cabarfeidh Group Ltd | Administrative & support | 2025 |
| Cafe ROO Ltd | Hospitality | 2016 |
| Cala Hotels Group Ltd | Administrative & support | 2025 |
| Caladh Group Ltd | Administrative & support | 2025 |
| Campbell Construction Services Limited | Professional & scientific | 2009 |
| Carlsbay Limited | Agriculture & fishing | 2019 |
| Cearns Property Limited | Real estate | 2017 |
| Central Garage Limited | Wholesale & retail | 2006 |
| CGC AGE Care Consulting Ltd | Health & social care | 2025 |
| Church ST SY Ltd | Hospitality | 2023 |
| Claire Whyman Limited | Health & social care | 2007 |
| Climate Hebrides CIC | Water & waste | 2022 |
| CLO Hearach Limited | Manufacturing | 1983 |
| CLO MOR Limited | Manufacturing | 1983 |
| Colin Morrison Electrical Ltd | Construction | 2026 |
| Coll Community Development Trust Ltd | Extraterritorial | 2019 |
| Conals Cabs Ltd | Transport & logistics | 2025 |
| Confide Western Isles Ltd | Health & social care | 2010 |
| Coulregrein Limited | Administrative & support | 2013 |
| Counselling & Family Mediation - Western Isles | Health & social care | 2002 |
| County Hotel Stornoway Limited | Hospitality | 2026 |
| Creative Ecosystems Limited | Information & communication | 2024 |
| Crossroads Lewis Ltd | Health & social care | 1997 |
| D R Macleod (Haulage) Limited | Transport & logistics | 2001 |
| D R Macleod Limited | Financial services | 2024 |
| Dachaigh Property Solutions Ltd | Real estate | 2010 |
| Definitive Detailing Ltd | Wholesale & retail | 2025 |
| Delights (Outer Hebrides) Limited | Wholesale & retail | 2009 |
| Derek Mackenzie & Company Limited | Professional & scientific | 2016 |
| DG9 Limited | Real estate | 2014 |
| Dmmsy Construction Limited | Construction | 2023 |
| DMR IT Consultancy Limited | Information & communication | 2012 |
| DON Maciver Agricultural Services Limited | Construction | 2015 |
| Donald Macfarlane (Stornoway) Limited | Construction | 1989 |
| Donald Maclennan Limited | Construction | 2003 |
| Donny's Cleaning Services Ltd | Administrative & support | 2024 |
| DRM Properties Limited | Construction | 2023 |
| DRM Stornoway Limited | Real estate | 2024 |
| Eilean Environmental Services Limited | Water & waste | 2013 |
| Eilean Siar Energy Ltd | Energy | 2025 |
| Ejay Design Limited | Manufacturing | 2026 |
| Elegant Chaos Limited | Information & communication | 2015 |
| Elite Customs Stornoway Ltd | Wholesale & retail | 2025 |
| Eriskay Construction Group Limited | Construction | 2025 |
| Essence of Harris Limited | Extraterritorial | 2017 |
| Essence of Scotland Ltd | Wholesale & retail | 2018 |
| Expressive Photography Limited | Professional & scientific | 2020 |
| Facilities Management Stornoway Limited | Transport & logistics | 2025 |
| Fear Knot Ltd | Agriculture & fishing | 2026 |
| Fergusons (Stornoway) Limited | Construction | 2013 |