| Spiros International Ltd | Hospitality | 2016 |
| Spitalcroft Limited | Other services | 2020 |
| Splash & Go Ltd | Administrative & support | 2022 |
| SPM (Angus) Ltd | Construction | 2015 |
| SPM Services (Carnoustie) Ltd | Construction | 2022 |
| Sport Connected Ltd | Education | 2025 |
| Sports Parks (Europe) Limited | Arts & recreation | 2010 |
| Sportsterz Glasgow Ltd | Hospitality | 2020 |
| Springbank Consulting Ltd | Professional & scientific | 2026 |
| Springsett Ltd | Administrative & support | 2023 |
| Squaretech Services Limited | Professional & scientific | 2022 |
| SR Braes Ltd | Real estate | 2024 |
| SR Installations & Maintenance Limited | Construction | 2020 |
| SR Taxis Limited | Transport & logistics | 2020 |
| SR Traders (UK) Ltd | Wholesale & retail | 2014 |
| SRA Property Group Limited | Real estate | 2019 |
| Srcn Solutions Limited | Professional & scientific | 2017 |
| SRG Carpentry and Joinery Ltd | Manufacturing | 2023 |
| SRL Glasgow Limited | Hospitality | 2020 |
| SRM Homes Limited | Real estate | 2013 |
| SRM Safety Management Ltd | Professional & scientific | 2019 |
| SRS Health Group Limited | Health & social care | 2024 |
| SRT Properties Ltd | Real estate | 2020 |
| SS & Sons Flats Ltd | Real estate | 2024 |
| SS 3D Visualisation Limited | Mining & quarrying | 2017 |
| SS Auto LAB Ltd | Wholesale & retail | 2025 |
| SS Hair Salon Ltd | Other services | 2022 |
| SS Hot Foods Ltd | Hospitality | 2025 |
| SS Integrated Limited | Administrative & support | 2024 |
| SS Motors Dundee Limited | Wholesale & retail | 2025 |
| SS Natt Ltd | Wholesale & retail | 2018 |
| SS Partners Ltd | Wholesale & retail | 2018 |
| SS Repairs Ltd | Construction | 2026 |
| SS Shellfish Limited | Administrative & support | 2017 |
| SS Shopperz Ltd | Wholesale & retail | 2024 |
| SS Taxis Ltd | Transport & logistics | 2023 |
| SSC Scotland Ltd | Other services | 2025 |
| SSH & L Limited | Information & communication | 2011 |
| SSH Silk Ltd | Other services | 2020 |
| SSJ Installations Limited | Construction | 2025 |
| SSN Full System Ltd | Construction | 2025 |
| Ssra Properties Ltd | Real estate | 2022 |
| SSW Mechanical Services Ltd | Professional & scientific | 2018 |
| ST Abbs Cabs Ltd. | Transport & logistics | 2023 |
| ST Andrews Estates (Scotland) (Real Estate) Limited | Real estate | 2008 |
| ST Andrews Forest Lodges Limited | Hospitality | 2014 |
| ST Andrews Harbour Shellfish Ltd | Agriculture & fishing | 2017 |
| ST Andrews Noodles Limited | Hospitality | 2025 |
| ST Andrews Piper Limited | Arts & recreation | 2018 |
| ST Andrews Safety Services Ltd | Professional & scientific | 2014 |
| ST Andrews Shellfish Ltd | Agriculture & fishing | 2016 |
| ST Andrews United Developments Limited | Construction | 2025 |
| ST Business Holdings Ltd | Hospitality | 2024 |
| ST Colmes Limited | Other services | 2018 |
| ST Giles Estates Ltd | Real estate | 2025 |
| ST Margarets Home Ltd | Real estate | 2024 |
| ST Property Dundee Limited | Hospitality | 2023 |
| ST. Andrews 16 Limited | Financial services | 2023 |
| ST. Andrews Holiday Apartments LLP | | 2014 |
| Stables Dundee LLP | | 2017 |
| Stack Your Ltd | Wholesale & retail | 2024 |
| Stackers Desserts Ltd | Hospitality | 2025 |
| STAFFSOLUTION247 Ltd | Administrative & support | 2025 |
| Staffworld Limited | Hospitality | 2002 |
| Stage Academy Productions Dundee Ltd | Arts & recreation | 2023 |
| Standarta Commerce L.P. | | 2015 |
| Standartwest L.P. | | 2015 |
| Standfax Group LP | | 2017 |
| Stanton Investments (Scotland) Limited | Other services | 2017 |
| Star and Garter Hospitality Ltd | Hospitality | 2026 |
| Star Cabs ( Electric ) Limited | Transport & logistics | 2020 |
| Star Cabs (Dundee) Limited | Transport & logistics | 2016 |
| Star Relocation Company Ltd | Households | 2019 |
| Star-Dundee Limited | Manufacturing | 2002 |
| Starbrae Limited | Administrative & support | 2017 |
| Starclif Accents LP | | 2017 |
| Stardash Limited | Hospitality | 1988 |
| Stark Custom Works Limited | Wholesale & retail | 2025 |
| Starkville Properties L.P. | | 2016 |
| Starwind Industrial L.P. | | 2015 |
| Starwood Technology L.P. | | 2016 |
| Starzeo Consultancy Services Ltd | Health & social care | 2018 |
| Stay Wild Media Limited | Professional & scientific | 2026 |
| Staybook Impacts LP | | 2017 |
| Staysafe Security Solutions Limited | Administrative & support | 2025 |
| STC Lettings Limited | Real estate | 2025 |
| Steam & Thistle Limited | Hospitality | 2024 |
| Steel Wizard Fabrication Ltd | Construction | 2023 |
| Stem Cell Solutions Ltd | Professional & scientific | 2012 |
| Stemly Ltd | Education | 2022 |
| Stenwell Sales L.P. | | 2013 |
| Stephanie Cafe and Grill ( Dundee) Limited | Hospitality | 2022 |
| Stephen a Morgan Limited | Construction | 2025 |
| Stephen Kane Limited | Mining & quarrying | 2012 |
| Stephen Tront Electrical Limited | Energy | 2013 |
| Steps & Stairs Cleaning Services Ltd | Administrative & support | 2014 |
| Stepstone Property Factors Ltd | Financial services | 2026 |
| Stepstone Property Services Limited | Real estate | 2023 |
| Sterling Notions Ltd | Arts & recreation | 2025 |
| Sterling Precision Engineering Services Limited | Manufacturing | 2007 |