| RGC Properties Ltd. | Real estate | 1999 |
| Rhinowash Limited | Manufacturing | 2004 |
| Richmonds Plumbing & Heating Merchants Limited | Wholesale & retail | 1986 |
| Riviera Computing Limited | Information & communication | 1999 |
| Rosemount PUB Co. Limited | Wholesale & retail | 1999 |
| Routes to Work Limited | Administrative & support | 2002 |
| Saaira SBK Ltd | Hospitality | 2024 |
| Safety System Showjumps Limited | Arts & recreation | 2008 |
| Sander Project LP | | 2013 |
| Santander Fields LP | | 2013 |
| Saul Bercott Limited | Wholesale & retail | 1934 |
| Scandinavian Essentials LP | | 2015 |
| Schoen Ltd | Wholesale & retail | 2025 |
| SCL Builders Limited | Construction | 2005 |
| Scott's Services (Glasgow) Limited | Real estate | 1986 |
| Scottish Galvanizers Limited | Manufacturing | 1949 |
| SCS Construction Limited | Construction | 2000 |
| SDM Property Assistance Ltd | Construction | 2001 |
| Sdnscot Limited | Information & communication | 2007 |
| Sealgair Limited | Real estate | 1999 |
| Seating Solutions Ltd | Manufacturing | 2006 |
| SEP II Founder Partner GP Limited | Financial services | 2000 |
| SEP II GP Limited | Financial services | 2000 |
| SEP Ventures Limited | Financial services | 1998 |
| Sewing Workshop Limited | Wholesale & retail | 2003 |
| Shawhead Farm | | 1987 |
| Shop "N" Save (Blantyre) Limited | Wholesale & retail | 2010 |
| Shuttle Buses Limited | Transport & logistics | 1989 |
| Sidhu Enterprises Limited | Construction | 1999 |
| Silent Valley Enterprises Limited | Real estate | 2001 |
| Slow Progress LP | | 2013 |
| SMS Homes Limited | Construction | 1998 |
| Soundbytes A.V.I. Limited | Wholesale & retail | 1997 |
| South Newmains Farm | | 1988 |
| Southquest Limited | Transport & logistics | 1999 |
| Sterling Service Ltd. | | 1999 |
| Stevenson Digi LP | | 2015 |
| Stewart a. Mitchell & SON (Motors) Limited | Professional & scientific | 1975 |
| Stewart Horse Services Ltd | Administrative & support | 2024 |
| Strathmore Hotels (Scotland) Limited | Hospitality | 2001 |
| Strawlaw Properties Limited | Construction | 1999 |
| Stuart Nicol Transport Limited | Transport & logistics | 2004 |
| Stubierkomm Systems Engineers Limited | Information & communication | 2001 |
| Sveaborg LP | | 2017 |
| Svenska Digi LP | | 2015 |
| Svenska Impex LP | | 2018 |
| Swiss Europe Fondo LP | | 2015 |
| Symington Lodge Farm | | 1984 |
| Syrabia Limited | Wholesale & retail | 2006 |
| T & C Properties Limited | Real estate | 2002 |
| T F Electronics Limited | Manufacturing | 1983 |
| T.I.C.T.A.C.S After School Services Limited | Education | 2004 |
| Technical Services International Limited | Professional & scientific | 2005 |
| Technodem Limited | Construction | 1982 |
| Thames Hospitality Ltd | Hospitality | 2024 |
| THE Black Bull (the GOW) Ltd. | Hospitality | 2018 |
| THE Bottom Line (Scotland) Limited | Extraterritorial | 2002 |
| THE Clyde Alloy Steel Company. Ltd. | Professional & scientific | 1981 |
| THE Hidden Gardens Trust | Health & social care | 2005 |
| THE Lodging House Mission | Health & social care | 2001 |
| THE Mungo Foundation | Administrative & support | 2003 |
| THE Pavillion (Greater Easterhouse) | Arts & recreation | 1999 |
| THE Wine School Limited | Wholesale & retail | 2000 |
| THE Workshop (Motherwell) Ltd. | Other services | 2003 |
| Thomas Brown | | 1986 |
| Thomson Pettie Group Limited | Manufacturing | 1993 |
| Thorncliff Solutions Limited | Information & communication | 2002 |
| Thorniewood Properties Limited | Real estate | 1995 |
| Timorous Beasties Limited | Wholesale & retail | 2003 |
| Tinto Sand and Gravel Limited | Mining & quarrying | 1957 |
| TLX Limited | Professional & scientific | 1997 |
| Tony Higgins Limited | Professional & scientific | 2006 |
| Toulouse NET LP | | 2015 |
| Tracked Utility Vehicles Limited | Extraterritorial | 1988 |
| Trafalgar Wells LP | | 2016 |
| Transport Door Solutions Limited | Manufacturing | 2005 |
| Trent Glenmore LP | | 2013 |
| Triana Group LP | | 2017 |
| Trygort (Number 2) Limited | Real estate | 2002 |
| Tuscan Tennis Holidays Limited | Administrative & support | 2001 |
| UDC (Holdings) Limited | Professional & scientific | 1979 |
| W Davidson & SON Limited | Professional & scientific | 1986 |
| W K M Clydesdale Limited | Professional & scientific | 2001 |
| W.J.Harte (City) Limited | | 1988 |
| Walker & Alexander Ltd. | Administrative & support | 1994 |
| Wasser Inter LP | | 2015 |
| Waterloo Union LP | | 2016 |
| Wave PR Ltd | Professional & scientific | 2003 |
| Webster Power Products Ltd. | Administrative & support | 2003 |
| Wello NET LP | | 2015 |
| Wenden Foil LP | | 2016 |
| Westerborg LP | | 2016 |
| Western Craftsman Limited | Real estate | 1959 |
| Westfield Farm and Company | | 1990 |
| Westfolding LP | | 2015 |
| Weston Farms and Co. | | 1989 |
| Westpoint Property Company (Scotland) Ltd | Real estate | 1998 |
| Whitelaws Buses Limited | Transport & logistics | 2025 |
| Whitelaws Coaches Limited | Transport & logistics | 2005 |
| Whitelaws Holdings Limited | Financial services | 2025 |