| Solotex Inter LP | | 2014 |
| Solstad Offshore UK Limited | Transport & logistics | 1985 |
| Soltrepac Limited | Wholesale & retail | 1987 |
| Soluble Solutions Ltd | Professional & scientific | 2023 |
| Solutions ARE Possible Ltd | Professional & scientific | 2014 |
| SOM Motor Company Ltd | Manufacturing | 2020 |
| Somebody Cares Trading Ltd | Wholesale & retail | 2016 |
| Somerset Borders LP | | 2015 |
| Somm Adten Limited | Information & communication | 2025 |
| Somniance Limited | Health & social care | 2018 |
| Somsrock Accounting Services Limited | Professional & scientific | 2018 |
| Sona Engineering Ltd | Mining & quarrying | 2016 |
| Sonalyst Ltd | Information & communication | 2008 |
| Sonavision Limited | Manufacturing | 2003 |
| Sonda Limited | Hospitality | 2014 |
| Sondex Wireline Aberdeen Limited | Manufacturing | 1987 |
| Sonic Dazzle Ltd | Extraterritorial | 2022 |
| Sonic Technology (UK) Limited | Health & social care | 2005 |
| Sonya Angus Pret a Porter Ltd | Manufacturing | 2016 |
| Soomro Medico Limited | Health & social care | 2025 |
| Soothe Your Soul Haven Limited | Health & social care | 2025 |
| SOP Consortium Limited | Manufacturing | 2024 |
| Sophie's Pawtique & Spa Limited | Administrative & support | 2024 |
| Sorcha Recruitment Ltd | Administrative & support | 2023 |
| Sorensen Engineering Services Limited | Professional & scientific | 2001 |
| Sorex Ltd | Real estate | 2022 |
| Sort Plus Ltd | Wholesale & retail | 2025 |
| Sortavala LP | | 2013 |
| Sota Salon Aberdeen Ltd | Other services | 2025 |
| Sotark Limited | Professional & scientific | 2021 |
| Sottex Inter LP | | 2013 |
| Soul Beauty by Shirley Ltd | Hospitality | 2022 |
| Soul Classic Campers Limited | Administrative & support | 2020 |
| Soul Consultancy Ltd. | Professional & scientific | 2016 |
| Sound Expediting Services Ltd. | Professional & scientific | 2012 |
| Soundfromabove Ventures Ltd | Administrative & support | 2009 |
| Source 365 Ltd | Professional & scientific | 2017 |
| Source Barbers Limited | Other services | 2022 |
| Source Code IT Ltd | Information & communication | 2019 |
| Souter Inspection Services Ltd. | Mining & quarrying | 2016 |
| Souter Limited | Professional & scientific | 2013 |
| South Glenbuchat Limited | Real estate | 2013 |
| South Lakes Property (Roads) Limited | Construction | 2016 |
| Southbrae Limited | Real estate | 1993 |
| Southernsun Ltd | Hospitality | 2025 |
| Southside Renewables Limited | Energy | 2013 |
| Sovereign Grooming Aberdeen Limited | Other services | 2019 |
| Sovereign Oceans Ltd | Agriculture & fishing | 2025 |
| SOX Consulting Ltd | Information & communication | 2022 |
| Soxco Limited | Manufacturing | 2023 |
| Soze Limited | Professional & scientific | 2010 |
| Sozo AI Limited | Information & communication | 2020 |
| SP (Aberdeen) Limited | Real estate | 2021 |
| SP Delivery Ltd | Transport & logistics | 2022 |
| SP Ecommerce Limited | Wholesale & retail | 2019 |
| SP2 Engineering Ltd | Professional & scientific | 2024 |
| Space Architects Limited | Administrative & support | 1960 |
| Space Couriers Ltd | Transport & logistics | 2024 |
| Space Solutions (Scotland) Limited | Water & waste | 2007 |
| Space Solutions (Scotland) Trustee Company Limited | Financial services | 2025 |
| Spanish + Scottish Law Practice Limited | Professional & scientific | 2017 |
| Spark's Mechanical Services Limited | Construction | 1986 |
| Sparkle Clean Services Ltd | Administrative & support | 2025 |
| Sparkling Squad Solutions Ltd | Administrative & support | 2025 |
| Sparks (Holdings) Limited | Professional & scientific | 2014 |
| Sparks Homes Aberdeen Ltd | Real estate | 2022 |
| Sparkx E - Bikes Ltd | Manufacturing | 2024 |
| Sparrows Angola Limited | Administrative & support | 2003 |
| Sparrows Offshore Group Limited | Administrative & support | 2012 |
| Sparrows Offshore International Group Ltd. | Professional & scientific | 2000 |
| Spatio Rentals Ltd | Administrative & support | 2011 |
| Spearing & Wolfe Ltd | Wholesale & retail | 2025 |
| Spearing Systems Limited | Professional & scientific | 2026 |
| Special Bees Global Limited | Administrative & support | 2024 |
| Specialised Seals International Ltd | Manufacturing | 2024 |
| Specialist Cars (Aberdeen) Limited | Wholesale & retail | 1985 |
| Specialist Independent Healthcare Solutions Ltd | Administrative & support | 2021 |
| Specialist Maintenance Services (Holdings) Limited | Other services | 2003 |
| Specialist Management Ltd | Professional & scientific | 2025 |
| Specialist Recruiters Ltd | Administrative & support | 2020 |
| Specialist Resource Solutions Ltd | Health & social care | 2015 |
| Specialist Ship Management Ltd | Manufacturing | 2025 |
| Specialist Speech Therapy Practice Ltd | Health & social care | 2014 |
| Specialist Therapies Ltd | Health & social care | 2026 |
| Specialist Valve Services Ltd. | Manufacturing | 1998 |
| Spectis Robotics Limited | Administrative & support | 2009 |
| Spectra Renewables Limited | Wholesale & retail | 2017 |
| Spectroconn Ltd. | Professional & scientific | 2011 |
| Spectrum Property Services (Aberdeen) Limited | Administrative & support | 2006 |
| Speedwell Energies Limited | Professional & scientific | 2024 |
| Speedwell Energy Limited | Mining & quarrying | 2012 |
| Speedy LCH Generators Limited | Administrative & support | 1979 |
| Speedy Washes Ltd | Administrative & support | 2022 |
| Spencer Coatings Group Limited | Professional & scientific | 1990 |
| Spencer Simkins Limited | Hospitality | 2024 |
| Speranza Consulting Ltd | Professional & scientific | 2016 |
| Spex Corporate Holdings Limited | Manufacturing | 2016 |
| Spex Engineering (UK) Limited | Professional & scientific | 2015 |
| Spex Engineering Limited | Mining & quarrying | 2010 |
| Spex Group Holdings Limited | Professional & scientific | 2016 |