| Stoneywood Glazing Ltd | Construction | 2014 |
| Stoneywood Motors Limited | Wholesale & retail | 1987 |
| Stoneywood Properties Limited | Hospitality | 2011 |
| Stonyhill Holdings Limited | Administrative & support | 2017 |
| Stonyhill Howe Moss Limited | Real estate | 2011 |
| Stopsave Ltd. | Manufacturing | 1994 |
| STORAGE123 Ltd | Administrative & support | 2020 |
| Store ABZ Ltd | Other services | 2023 |
| STORECO2 UK Limited | Professional & scientific | 2022 |
| Storegga Acorn Holdings Limited | Financial services | 2013 |
| Storemco Technical Services International Limited | Mining & quarrying | 2006 |
| Storidg Ltd | Administrative & support | 2018 |
| Stork Property Ltd | Real estate | 2019 |
| Stork Trades Ltd | Construction | 2022 |
| Storm (Scotland) Limited | Information & communication | 2006 |
| Storm CNC Engineering Limited | Manufacturing | 2021 |
| Storm Renewables Ltd | Construction | 2024 |
| Storybook Glen Limited | Hospitality | 1987 |
| Strachan Grouse Ltd | Construction | 2016 |
| Strachan Marine Ltd. | Professional & scientific | 2016 |
| Strachan Oblair Limited | Transport & logistics | 2005 |
| Strahisla Consulting Limited | Professional & scientific | 2025 |
| Straik Holdings Limited | Administrative & support | 2021 |
| Strandside Limited | Hospitality | 2016 |
| Strange Technical Solutions Limited | Professional & scientific | 2007 |
| Strat-Logika Limited | Wholesale & retail | 2007 |
| Strataski Ltd | Professional & scientific | 2022 |
| Stratec Holdings Limited | Real estate | 2019 |
| Stratec Limited | Wholesale & retail | 2020 |
| Strategic Offshore Research Limited | Information & communication | 2002 |
| Strategic Resources European Recruitment Consultants Limited | Administrative & support | 1987 |
| Strategic Subsea Solutions Ltd | Professional & scientific | 2023 |
| Strategically Lean Academy Limited | Wholesale & retail | 2019 |
| Strategically Lean Limited | Professional & scientific | 2010 |
| Strathbogie Agricultural Company Limited | Extraterritorial | 1943 |
| Strathbogie Forest & Garden Ltd | Administrative & support | 2014 |
| Strathdee Resourcing Partnership Limited | Administrative & support | 2006 |
| Strathlaird Limited | Professional & scientific | 2021 |
| Strathlaird Property Development Limited | Real estate | 2024 |
| Stratsor Ltd | Wholesale & retail | 2023 |
| Stravaer Ltd | Wholesale & retail | 2026 |
| Streamba Ltd | Information & communication | 2010 |
| Streamline AI Limited | Information & communication | 2025 |
| Streamline Shipping Agencies Limited | Transport & logistics | 1981 |
| Streamline Shipping Group Limited | Professional & scientific | 1991 |
| Street Friends Helping People in Need Limited | Other services | 2022 |
| Streetfood Packaging Ltd | Wholesale & retail | 2016 |
| Stroits Consulting (UK) Limited | Professional & scientific | 2017 |
| Stroits Properties Limited | Real estate | 2019 |
| Stronachs Aberdeen Limited | Administrative & support | 1986 |
| Stronachs Corporate Limited | Professional & scientific | 1997 |
| Stronachs LLP | | 2008 |
| Stronachs Nominees Limited | Professional & scientific | 1997 |
| Stronachs Secretaries Limited | Administrative & support | 2008 |
| Stronachs Trustee Company Limited | Professional & scientific | 2012 |
| Stronarchs Energy Services Limited | Professional & scientific | 2013 |
| Stronsay Engineering Ltd. | Professional & scientific | 2010 |
| Stronvar Aerospace UK Limited | Financial services | 2025 |
| Strowger Audit Solutions Limited | Professional & scientific | 2015 |
| Stru Wilson Ltd | Professional & scientific | 2018 |
| Struan Homes Limited | Construction | 2017 |
| Struct Consultancy Ltd | Professional & scientific | 2021 |
| Structair Ltd | Professional & scientific | 2025 |
| Structural Sound Engineering Ltd | Professional & scientific | 2011 |
| Structural Steel Draughting Limited | Administrative & support | 2002 |
| Strudwick Optometry Limited | Professional & scientific | 2024 |
| Stryve Consulting Ltd | Professional & scientific | 2025 |
| Stsm Holdings Ltd | Financial services | 2023 |
| Stuart Banks Property Ltd | Real estate | 2024 |
| Stuart Engineering Solutions Ltd | Professional & scientific | 2018 |
| Stuart Gallagher Financial & Estate Planning Ltd | Financial services | 2014 |
| Stuart Mcmullan Architects Limited | Professional & scientific | 2009 |
| Stuart Trustees Limited | Professional & scientific | 1991 |
| Stuart's Joinery Services Limited | Construction | 2016 |
| Stuartfield Wind Power Limited | Energy | 2010 |
| Stucturus Ltd | Professional & scientific | 2016 |
| Student House Aberdeen Ltd | Real estate | 2019 |
| Studio 10 Productions Ltd | Information & communication | 2023 |
| Studio 54 Aberdeen Ltd | Other services | 2023 |
| Studio Barber Aberdeen Ltd | Other services | 2026 |
| Studio Foley & Foley Limited | Professional & scientific | 2026 |
| Studio Form Limited | Information & communication | 2014 |
| Studio Four Hair & Beauty Ltd | Other services | 2022 |
| Studio Limited | Mining & quarrying | 1999 |
| Studio North Architectural Design Limited | Professional & scientific | 2014 |
| Studio SHI Ltd | Construction | 2025 |
| STUDIO67BYGG Ltd | Wholesale & retail | 2025 |
| Studiobe (Aberdeen) Ltd | Health & social care | 2020 |
| Style for Your Shape Limited | Wholesale & retail | 2022 |
| Style Office Solutions Ltd. | Administrative & support | 2001 |
| Style World Limited | Wholesale & retail | 2024 |
| Stylish 2 BED Aberdeen Ltd | Hospitality | 2023 |
| Stymulus Ltd | Professional & scientific | 2014 |
| SUB Sea Services JBA UK | | 2014 |
| SUB Surface Systems Limited | Manufacturing | 2001 |
| Subdinate Limited | Administrative & support | 2024 |
| Subenersol Limited | Professional & scientific | 2023 |
| Subgas Limited | Wholesale & retail | 2018 |
| Subs Measurement Services Limited | Professional & scientific | 2019 |
| Subsafe Limited | Professional & scientific | 2026 |