| Staffrex Limited | Administrative & support | 2021 |
| Stag Electrical Solutions Ltd | Construction | 2024 |
| Stag Property Solutions Ltd | Real estate | 2026 |
| Stag TIC Ltd | Administrative & support | 2011 |
| Staged Right Ltd | Professional & scientific | 2025 |
| Stainless and Alloy (Aberdeen) Limited | Manufacturing | 1993 |
| Stairs by Design Limited | Construction | 1994 |
| Stamper Holdings Ltd | Manufacturing | 2003 |
| Stanley Gastroenterology Ltd | Health & social care | 2012 |
| Stanthip Limited | Administrative & support | 2015 |
| Stapleton Drilling Limited | Real estate | 2010 |
| Star Anaesthetics Limited | Health & social care | 2014 |
| Star Innovations Limited | Administrative & support | 2011 |
| Star Property Company (Scotland) Limited | Real estate | 2021 |
| Star Q Line Ltd | Wholesale & retail | 2026 |
| Star-Haven Properties Limited | Construction | 2024 |
| Stardoc Limited | Health & social care | 2019 |
| Starimedical Ltd | Professional & scientific | 2015 |
| Stark Ventures Limited | Professional & scientific | 2018 |
| Starlex Trading Ltd | Wholesale & retail | 2025 |
| Starn Energy Services Group Limited | Professional & scientific | 2013 |
| Starn Group Limited | Financial services | 2013 |
| STARSKY786 Limited | Wholesale & retail | 2025 |
| Start ME UP Consulting Ltd. | Financial services | 2011 |
| Start to Finish Consultancy Limited | Professional & scientific | 1997 |
| Stasiukas Painting Limited | Construction | 2025 |
| Stathis Offshore Limited | Mining & quarrying | 2006 |
| Statics Direct Ltd | Wholesale & retail | 2023 |
| Station Garage (Grampian) Limited | Wholesale & retail | 2002 |
| Station House Media Unit | Education | 2007 |
| Stats (UK) Ltd. | Mining & quarrying | 1998 |
| Stats International Limited | Information & communication | 2002 |
| Status Properties Limited | Real estate | 2014 |
| Stauros Limited | Wholesale & retail | 1999 |
| Staxrock Ltd | Professional & scientific | 2016 |
| Stay Developments Ltd | Real estate | 2024 |
| Staysab Ltd | Households | 2024 |
| STC Insiso Investments LLP | | 2021 |
| STC Insiso Ltd | Information & communication | 2001 |
| Stead Inn Bar Ltd | Hospitality | 2025 |
| Stead Inn Ltd | Hospitality | 2019 |
| Steadfast Scotland Limited | Manufacturing | 1991 |
| Steadvale Turbochargers (Aberdeen) Limited | Professional & scientific | 1981 |
| Stealth-X Ltd | Wholesale & retail | 2024 |
| Stedfast 2 Ltd | Professional & scientific | 2017 |
| Steel Erect (Shetland) Limited | Construction | 1997 |
| Steelstewart Limited | Health & social care | 2006 |
| Steer Energy Manufacturing Limited | Administrative & support | 2021 |
| Steer Energy Solutions Limited | Professional & scientific | 2012 |
| Stefanwil Limited | Professional & scientific | 1998 |
| Steinbach Transport Ltd | Transport & logistics | 2025 |
| Stellar Blue Accounting Services Limited | Professional & scientific | 2024 |
| Stellar Smiles Solutions Ltd | Health & social care | 2023 |
| Stem Discovery Academy Ltd | Education | 2026 |
| Stem Energy Services Limited | Administrative & support | 2016 |
| Stemin Limited | Wholesale & retail | 1983 |
| Stenloyal Limited | Mining & quarrying | 1992 |
| Stensgarth Ltd | Professional & scientific | 2024 |
| Step Change Engineering Limited | Professional & scientific | 2021 |
| Step Change in Safety Limited | Administrative & support | 2014 |
| Steph Craigie Kitchens & Bathrooms Ltd | Construction | 2016 |
| Stephen Ogilvie Interiors Limited | Professional & scientific | 2005 |
| Stephen Properties Limited | Real estate | 2000 |
| Stephlen Limited | Hospitality | 2008 |
| Sterling Baxter Property Ltd | Real estate | 2026 |
| Sterling Commercial Holdings Ltd | Real estate | 2025 |
| Sterling Fantom LP | | 2014 |
| Sterling Homes and Estates Ltd | Real estate | 2023 |
| Sterling Stop Limited | Wholesale & retail | 2026 |
| Steve Gray (Plumbing & Heating) Ltd. | Construction | 2005 |
| Stevemarque Limited | Mining & quarrying | 2020 |
| Steven Murphy Ltd | Real estate | 2016 |
| Stevenson Energy Ltd. | Administrative & support | 2008 |
| Stewart Anderson Mechanical Services Ltd | Wholesale & retail | 2022 |
| Stewart Engineering and QMS Limited | Other services | 2012 |
| Stewart King Environmental Engineers Ltd. | Professional & scientific | 2002 |
| Stewart Property Services Limited | Real estate | 2017 |
| Stewart Subsea Services Ltd | Professional & scientific | 2023 |
| Stewart Transit Services Limited | Transport & logistics | 2006 |
| Stewarts DP & Marine Services Limited | Professional & scientific | 2023 |
| STF Associates Ltd | Extraterritorial | 2014 |
| STG Coffee Ltd | Hospitality | 2022 |
| STH Holdings Limited | Administrative & support | 2015 |
| Stillwood Ltd | Wholesale & retail | 2025 |
| Stimrock Technologies Ltd | Professional & scientific | 2019 |
| Stimwell Services Limited | Administrative & support | 2008 |
| Stirling Connect CIC | Education | 2026 |
| Stmatco Limited | Transport & logistics | 2025 |
| Stocket Peri Peri Ltd | Hospitality | 2025 |
| Stone Energy Engineering Limited | Professional & scientific | 2017 |
| Stone ENG. Limited | Professional & scientific | 2001 |
| Stonecraft Fireplaces Limited | Construction | 1963 |
| Stoneglen Limited | Extraterritorial | 1994 |
| Stonegrange Guest House Limited | Hospitality | 2008 |
| Stonehaven Harbour Property Ltd | Administrative & support | 2026 |
| Stonehaven Highland Games Limited | Arts & recreation | 2024 |
| Stonehaven Town Partnership Operations Limited | Real estate | 2018 |
| Stoneline Property Holdings Ltd | Real estate | 2024 |
| Stonemasonskip Ltd | Manufacturing | 2025 |
| Stoneridge Electronics Limited | Wholesale & retail | 1992 |