| Rydoak Limited | Water & waste | 1987 |
| Ryker Brothers Ltd | Real estate | 2021 |
| Rymac Joinery Limited | Construction | 2023 |
| RZ Investments SC Ltd | Real estate | 2021 |
| RZI Limited Limited | Real estate | 2025 |
| Rènella Equestrian Clothing Limited | Wholesale & retail | 2020 |
| S & C Decorators Limited | Construction | 2016 |
| S & I Properties (Dundee) Limited | Real estate | 2000 |
| S & L Gordon Consulting Ltd | Administrative & support | 2024 |
| S & N (Dundee) Investments Limited | Real estate | 2015 |
| S & N (Scotland) Limited | Arts & recreation | 2017 |
| S & R Taxis Ltd | Transport & logistics | 2021 |
| S & S Foods Dundee Ltd | Hospitality | 2025 |
| S & Y Well Services Limited | Manufacturing | 2016 |
| S a Autopoint Ltd | Wholesale & retail | 2015 |
| S and K Allan Partners Limited | Wholesale & retail | 2024 |
| S F D Logistics Limited | Administrative & support | 2008 |
| S F Fishing Ltd | Agriculture & fishing | 2019 |
| S G B S Limited | Administrative & support | 1990 |
| S Gibson Fresh Fish Ltd | Wholesale & retail | 2026 |
| S H Walker PMC Limited | Professional & scientific | 2025 |
| S Henderson Properties Limited | Real estate | 2023 |
| S L Developments Limited | Real estate | 2001 |
| S Mcclelland Cosmetics Limited | Administrative & support | 2011 |
| S N Henderson Ltd | Financial services | 2024 |
| S N Property Limited | Real estate | 2018 |
| S P Property Homes Ltd | Real estate | 2021 |
| S P Technology Limited | Manufacturing | 1984 |
| S R Stock Audit Ltd | Administrative & support | 2018 |
| S RAE Plant UK Ltd | Construction | 2019 |
| S W Gray Taxi Limited | Transport & logistics | 2019 |
| S Young Electrical Limited | Construction | 2021 |
| S&A Zaveri Investments Ltd | Real estate | 2021 |
| S&C Consultancy Ltd | Professional & scientific | 2023 |
| S&D Campbell Ltd | Transport & logistics | 2011 |
| S&D Freight Ltd | Transport & logistics | 2024 |
| S&H Urban Developments Ltd | Real estate | 2019 |
| S&J Catering (Fife) Limited | Hospitality | 2019 |
| S&K Laser Ltd | Administrative & support | 2026 |
| S&M Property (Scotland) Limited | Real estate | 2024 |
| S&O Castle Property Ltd | Real estate | 2015 |
| S&P UK Enterprises Ltd | Transport & logistics | 2024 |
| S&S Goods Suppliers Ltd | Wholesale & retail | 2025 |
| S&T Property Ltd | Real estate | 2018 |
| S. Ewing and Sons Limited | Construction | 2011 |
| S. Tough Limited | Professional & scientific | 2002 |
| S.A.K. Driver Ltd | Transport & logistics | 2021 |
| S.Beattie Plumbing & Heating Ltd | Construction | 2025 |
| S.E.L.E.C.T. Scotland Limited | Real estate | 1992 |
| S.F. Energy Limited | Professional & scientific | 2012 |
| S.F. Housing Ltd | Households | 2018 |
| S.G.K. Electrical Services Ltd | Manufacturing | 2013 |
| S.I.M Plant Services Ltd | Professional & scientific | 2024 |
| S.K. Asset Finance Limited | Financial services | 2002 |
| S.O. Design Solutions Limited | Professional & scientific | 2014 |
| S.R. Clark (Electrical Services) Ltd | Construction | 2016 |
| S.T.R Detailing Products Ltd | Wholesale & retail | 2025 |
| S2B Project Services Ltd | Professional & scientific | 2026 |
| S4EV Ltd | Information & communication | 2022 |
| SA & RZI Ltd | Wholesale & retail | 2020 |
| SA Auto Care Ltd | Wholesale & retail | 2024 |
| SA Cabs Limited | Transport & logistics | 2017 |
| SA Room Building Services Ltd | Construction | 2024 |
| SA Xtra Ltd | Hospitality | 2024 |
| Sa&Mh Investments Ltd | Construction | 2025 |
| Saarah Investments Limited | Real estate | 2018 |
| SAB Consulting (Scotland) Ltd | Professional & scientific | 2024 |
| Sabbismusa Ltd | Wholesale & retail | 2025 |
| Sable Dundee Limited | Real estate | 2024 |
| Sacred BMS CIC | Professional & scientific | 2022 |
| Sadia Fabrics Ltd | Wholesale & retail | 2022 |
| Saeed Sharif Ltd | Professional & scientific | 2018 |
| Safa Glasgow Limited | Wholesale & retail | 2018 |
| Safari HUT Limited | Hospitality | 2016 |
| Safe-Tay Security Services Ltd | Administrative & support | 2008 |
| Safedem Demolitions Limited | Construction | 2001 |
| Safedem Employee Ownership Trustees Limited | Administrative & support | 2019 |
| Safedem Limited | Construction | 1975 |
| Safeflow Services Limited | Construction | 2021 |
| Safehouse Habitats (Scotland) Limited | Administrative & support | 2003 |
| Safemed Limited | Professional & scientific | 2016 |
| Saffron’S Takeaway Limited | Hospitality | 2026 |
| Safiah Properties Ltd | Hospitality | 2020 |
| Saga Pharm Ltd | Wholesale & retail | 2022 |
| Sahil Holdings Limited | Construction | 2016 |
| SAI Kung Properties Limited | Professional & scientific | 1989 |
| SAI Rajah Limited | Health & social care | 2026 |
| Saif Plumbing and Heating Solutions Ltd | Construction | 2025 |
| Saifshams Properties Ltd | Real estate | 2024 |
| Saime Trading Ltd | Wholesale & retail | 2021 |
| Saimedico Consultancy Ltd | Health & social care | 2026 |
| Saint Group of Companies Limited | Administrative & support | 2025 |
| Saint Jones Management LP | | 2016 |
| Saint Match Ltd | Administrative & support | 2021 |
| Saint Obswell Limited | Administrative & support | 2022 |
| Sairfecht Ltd | Extraterritorial | 2012 |
| Sakura Horizon Limited | Real estate | 2024 |
| Salam Label Ltd | Wholesale & retail | 2025 |
| Saleem Enterprises Dundee Ltd | Real estate | 2024 |
| Salmo Fishings Ltd | Agriculture & fishing | 2024 |