| 1STOP4THIRDSECTOR Ltd | Information & communication | 2017 |
| A D Munro (Harris) Ltd | Wholesale & retail | 2008 |
| Ardhasaig Filling Station Limited | Wholesale & retail | 2019 |
| Ardhasaig Properties Limited | Real estate | 2024 |
| Atlantic Land & Property Ltd. | Hospitality | 1964 |
| Bays of Harris Community Estate Limited | Real estate | 2023 |
| Borrisdale Tweed Ltd | Administrative & support | 2013 |
| Carrob Holdings Ltd | Real estate | 2022 |
| CC Services Groundworks Ltd | Construction | 2020 |
| Cleisebhal Limited | Professional & scientific | 2015 |
| Creative Light Festival Ltd | Arts & recreation | 2022 |
| Devsun Limited | Information & communication | 2013 |
| Douglas Binns Limited | Professional & scientific | 2003 |
| Fulton Fisheries Consultancy Ltd | Agriculture & fishing | 2019 |
| Harris Development Limited | Other services | 1994 |
| Harris Garage Company (Tarbert) Limited | Real estate | 1975 |
| Harris Mutual Improvement Association | Other services | 2011 |
| Harris Tweed and Knitwear Limited | Wholesale & retail | 2013 |
| Harris Voluntary Service | Administrative & support | 1999 |
| HEB Dash Ltd | Transport & logistics | 2025 |
| Hebridean Semiconductors Ltd | Manufacturing | 2021 |
| Horgabost Wind LLP | | 2016 |
| Housekeeper Hebrides Ltd | Real estate | 2025 |
| Iasg Seafood Restaurant Ltd | Manufacturing | 2025 |
| Instow Line Marine Services Limited | Transport & logistics | 2018 |
| Isle of Harris Brewery Limited | Manufacturing | 2023 |
| Isle of Harris Distillers Limited | Manufacturing | 2007 |
| Isle of Harris Smokehouse Limited | Manufacturing | 2021 |
| Izat Arundell Limited | Professional & scientific | 2018 |
| JO JO Holdings Ltd | Real estate | 2000 |
| John Maher Racing Limited | Wholesale & retail | 2003 |
| Kikit Training Ltd | Manufacturing | 2020 |
| Kyles House Farming Partnership | | 2002 |
| L B C Shetland Ltd | Other services | 2025 |
| Leverhulme Community Hub Limited | Wholesale & retail | 2019 |
| Lewis and Harris Youth Clubs Association | Other services | 2003 |
| Macanta Media Ltd | Information & communication | 2021 |
| Meavag Capital Ltd | Professional & scientific | 2024 |
| Meavag Property Solutions Ltd | Real estate | 2026 |
| Nook & Scranny Ltd | Wholesale & retail | 2025 |
| North Harris Trading Company Limited | Administrative & support | 2004 |
| Outer Hebrides Fencing & Rock Drilling Ltd. | Professional & scientific | 2015 |
| Pairc Agricultural Limited | Real estate | 2005 |
| Pairc Crofters Limited | Real estate | 1924 |
| Pairc Niseaboist Power Limited | Energy | 2016 |
| Pairc Renewables Limited | Real estate | 2004 |
| Pluszero Energy Ltd | Energy | 2022 |
| Pluszero Ltd | Administrative & support | 2020 |
| Pluszero NAN Eilean Limited | Energy | 2024 |
| Porteous Architecture & Design Limited | Professional & scientific | 2022 |
| Porteous Properties Limited | Real estate | 2017 |
| Quiet Landscapes Limited | Health & social care | 2018 |
| Rakshasa Ltd | Manufacturing | 2025 |
| Rodel House LLP | | 2018 |
| Sound of Harris Limited | Real estate | 2012 |
| South Harris Fishery Ltd. | Wholesale & retail | 1999 |
| Talla NA Mara Restaurant Limited | Hospitality | 2023 |
| Temple Harris Ltd | Hospitality | 2019 |
| THE Anchorage Restaurants Limited | Real estate | 2016 |
| THE Catherine M. Macleod (Harris) Trust | Other services | 2000 |
| THE Mission House Studio Limited | Arts & recreation | 2010 |
| THE West Harris Trust | Real estate | 2008 |
| Urras NA Hearadh | Administrative & support | 2000 |
| West Harris Renewables Limited | Energy | 2010 |
| Windfes Hebrides Limited | Hospitality | 2025 |
| Yoga Harris Ltd | Other services | 2026 |