| Reco Building Developments Limited | Real estate | 1980 |
| Redcastle Farming Partnership | | 1988 |
| Robertson Crop Services Limited | Agriculture & fishing | 1983 |
| Ross and Poole | | 1998 |
| Ross-Shire Engineering Limited | Manufacturing | 1997 |
| Rosskeen Engineering Ltd | Manufacturing | 2005 |
| Rosskeen Holdings Limited | Construction | 2007 |
| Saccard Limited | Hospitality | 2020 |
| SAMAC1 Ltd. | Agriculture & fishing | 2000 |
| Sean Dennet Abseiling Ltd. | Administrative & support | 2009 |
| Sigmapm Limited | Professional & scientific | 2006 |
| Skyline International Access Ltd | Professional & scientific | 2016 |
| Strathpeffer Community Development Trust Limited | Arts & recreation | 2000 |
| Struan Apiaries Limited | Manufacturing | 2005 |
| THE Alness Community Association Limited | Information & communication | 1990 |
| THE Fernaig NO.1 Partnership | | 2001 |
| THE Fernaig NO.2 Partnership | | 2001 |
| THE Fernaig NO.3 Partnership | | 2001 |
| THE Fernaig NO.4 Partnership | | 2001 |
| THE Fernaig NO.5 Partnership | | 2001 |
| THE Fernaig NO.6 Partnership | | 2001 |
| THE Fernaig NO.7 Partnership | | 2001 |
| THE Fernaig NO.8 Partnership | | 2001 |
| THE Fernaig NO.9 Limited Partnership | | 2010 |
| THE Fernaig NO.9 Partnership | | 2001 |
| THE Highland Football Academy Trust | Arts & recreation | 2002 |
| Thistle Engineering Ltd. | Manufacturing | 2009 |
| Torbain Farming Company | Agriculture & fishing | 1980 |
| Ullapool Outdoors Ltd | Wholesale & retail | 2004 |
| W. L. Gill | | 1988 |
| W. Macgillivray | Agriculture & fishing | 1956 |
| W.J. Macgillivray & Sons | | 1999 |
| Watt Marine Limited | Manufacturing | 1979 |
| Westpit Farmers | | 1981 |
| Wildwoodz Ltd. | Arts & recreation | 2005 |
| Wyvis Homes Limited | Construction | 2001 |