| Sovic Consulting Limited | Information & communication | 2010 |
| SP Group Holding Limited | Professional & scientific | 2023 |
| Sp:Arketing Limited | Professional & scientific | 2025 |
| Spartans Velo Limited | Arts & recreation | 2019 |
| SPB Trading Ltd | Information & communication | 2019 |
| Spirit of Atalanta Ltd | Administrative & support | 2017 |
| Springsteen & Somerville Limited | Administrative & support | 2019 |
| Spur Trading Ltd | Wholesale & retail | 2012 |
| Srisar Property Limited | Real estate | 2023 |
| SSA Dalkeith Limited | Wholesale & retail | 2026 |
| SSA Grocers Limited | Wholesale & retail | 2025 |
| SSJ25 Ltd | Hospitality | 2025 |
| Stanell Property Solutions Ltd | Construction | 2025 |
| Star Car Taxis Limited | Transport & logistics | 2025 |
| Stellz & Co Ltd | Hospitality | 2025 |
| Stephen D Sutcliffe Limited | Professional & scientific | 2015 |
| Stepping Stones Play Services Limited | Health & social care | 2013 |
| Still Running Ltd | Information & communication | 2015 |
| Stone MAN Stone Sales Ltd | Manufacturing | 2024 |
| Storrm Cloud Commercial Ltd | Administrative & support | 2025 |
| STS Supply Transport Services Ltd | Transport & logistics | 2020 |
| Stuart & Moffat Roofing Contractors Ltd | Construction | 2019 |
| Stuart and Moffat Group Limited | Construction | 2022 |
| Stuart Cobb Consulting Ltd | Professional & scientific | 2018 |
| Stuart Consultancy (Scotland) Limited | Professional & scientific | 2024 |
| Stuart Galbraith Plumbing and Heating Ltd | Administrative & support | 2016 |
| Stuart Macara Plumbing and Heating Ltd | Construction | 2024 |
| Stubbs Technologies Limited | Professional & scientific | 2024 |
| Sugar & Ice Ltd. | Manufacturing | 2019 |
| Sunbury Properties Ltd. | Real estate | 2004 |
| Sunrise Data Ltd | Professional & scientific | 2023 |
| Super Car Wash Spa Ltd | Administrative & support | 2024 |
| Super Elite Valeting Ltd | Administrative & support | 2026 |
| Supersonic Bars Ltd | Hospitality | 2019 |
| Sustainable Heritage Conservation Ltd | Professional & scientific | 2026 |
| Sutherland Electrical Services Ltd | Construction | 2023 |
| Sutherland Joinery Ltd | Construction | 2024 |
| Suzanne Chapman Consultancy Ltd | Wholesale & retail | 2025 |
| SW Property Solutions Ltd | Construction | 2017 |
| Swiftcartify Limited | Wholesale & retail | 2025 |
| Swimfit Midlothian Ltd | Arts & recreation | 2023 |
| Swimming With Additional Needs Limited | Education | 2024 |
| Swire Capital Ltd | Professional & scientific | 2025 |
| SXP Designs Ltd. | Manufacturing | 2011 |
| SY Prop Limited | Other services | 2024 |
| Syrian Barber Limited | Other services | 2019 |
| Tait Mackay Ltd | Administrative & support | 2017 |
| Talea Property Group Ltd | Real estate | 2025 |
| Tanglewood Hospitality Ltd | Hospitality | 2023 |
| Tartan Tyre Mobile Tyre Fitting Ltd | Wholesale & retail | 2026 |
| Task & PAY Ltd | Information & communication | 2025 |
| TAY RAD Ltd | Health & social care | 2023 |
| Taylor MAC Renovations Ltd | Construction | 2026 |
| Taylored Energy Ltd | Construction | 2016 |
| TBP (Scotland) Ltd | Hospitality | 2025 |
| Tc&Jw Trans Ltd | Transport & logistics | 2026 |
| TCH23 Ltd | Construction | 2022 |
| Tech Mechanical Ltd | Energy | 2024 |
| Techfurion Limited | Wholesale & retail | 2025 |
| Temple of the Dog Dalkeith Ltd | Other services | 2023 |
| Teresa Brill Jewellery Ltd | Wholesale & retail | 2016 |
| Teresa Hodge Consultancy Ltd | Professional & scientific | 2010 |
| Terrafirma Property Holdings Ltd | Real estate | 2022 |
| Testing Edinburgh Ltd | Professional & scientific | 2020 |
| TFS Boness Ltd | Other services | 2022 |
| THE Aggregate Factory Ltd | Water & waste | 2010 |
| THE Barbecue Fish Bar Ltd | Hospitality | 2015 |
| THE Business Shop (Lothians) Ltd | Extraterritorial | 2015 |
| THE Business Shop (Midlothian) Ltd | Professional & scientific | 2016 |
| THE Business Shop (Partnership) Ltd | Professional & scientific | 2016 |
| THE Chocolate Barn Limited | Wholesale & retail | 2025 |
| THE Edinburgh Accountant Limited | Professional & scientific | 2021 |
| THE Edinburgh Boiler Company Ltd | Construction | 2015 |
| THE Edinburgh Mortgage Company Ltd. | Financial services | 2011 |
| THE Edinburgh Persevere Group Ltd | Real estate | 2025 |
| THE Edinburgh Sports Therapy Academy Ltd | Education | 2025 |
| THE EFS Property Group Ltd | Construction | 2024 |
| THE Energy Training Academy (Edinburgh) C.I.C. | Education | 2021 |
| THE Energy Training Academy (Scotland) Ltd | Education | 2024 |
| THE Explorer Group Limited | Financial services | 2021 |
| THE Fife Boiler Company Ltd | Construction | 2021 |
| THE Firm of Airfield Farms | | 2000 |
| THE Garden Trio Limited | Administrative & support | 2021 |
| THE Glasgow Boiler Company Ltd | Construction | 2018 |
| THE Happy CAB Co. Ltd. | Transport & logistics | 1999 |
| THE Home Cleaning Company (Scotland) Ltd | Administrative & support | 2015 |
| THE Innes Consultancy Limited | Professional & scientific | 2018 |
| THE Language Room Limited | Professional & scientific | 2006 |
| THE Luxe Bar Lounge Limited | Hospitality | 2025 |
| THE Partnership Room Ltd | Professional & scientific | 2026 |
| THE Pelican Club Ltd | Hospitality | 2013 |
| THE Property Guide Limited | Real estate | 2021 |
| THE Steading Consultancy Company Ltd | Professional & scientific | 2025 |
| THE Suppers Club Ltd | Hospitality | 2025 |
| THE Swim Group Ltd | Education | 2020 |
| THE Tarmac Co Edinburgh Ltd | Construction | 2026 |
| THE Utilities Broker Limited | Administrative & support | 2016 |
| THE Wallace & Wild Company Ltd | Hospitality | 2025 |
| Therapeutic Cleaning Service Ltd | Administrative & support | 2026 |
| Third Platform Technologies Ltd | Information & communication | 2019 |