| Solsgirth Home Farm Ltd | Agriculture & fishing | 2022 |
| Solsgirth Ltd | Financial services | 2022 |
| Solso Limited | Real estate | 2007 |
| Sonder Commercial Developments Ltd | Construction | 2020 |
| Sonder Holdings Ltd | Financial services | 2020 |
| Sounds Like ME Limited | Information & communication | 2020 |
| Spearfield Safety, Competency & Assessments Ltd | Professional & scientific | 2026 |
| Squarefoot Investments Limited | Extraterritorial | 1998 |
| ST Columba Ltd | Health & social care | 2019 |
| Stirling Financial Management UK Limited | Financial services | 2004 |
| Streamflex Solutions Limited | Agriculture & fishing | 2015 |
| Strong PAW Holding Limited | Administrative & support | 2024 |
| Taxbase Limited | Extraterritorial | 2015 |
| Tiger Tea Energy Ltd | Manufacturing | 2025 |
| Tile Star Limited | Professional & scientific | 2005 |
| Tilly Trading Ltd | Wholesale & retail | 2015 |
| TPJ Properties Limited | Real estate | 1993 |
| Treat Your Feet Limited | Health & social care | 2014 |
| Trusted Methods Ltd | Information & communication | 2025 |
| Ukintegration Limited | Education | 2021 |
| Vanstrr Limited | Information & communication | 1999 |
| Vantagis Group Limited | Professional & scientific | 2024 |
| W Dotters Ltd | Construction | 2025 |
| Ward Health Ltd | Health & social care | 2025 |
| Whitewisp Limited | Extraterritorial | 2008 |
| WHW Baggage Transfers Ltd | Administrative & support | 2024 |
| Wildlife Consulting Ltd | Professional & scientific | 2019 |
| Wood & Resin Creations Ltd | Manufacturing | 2025 |
| Y & R Engineering Services Limited | Construction | 2009 |
| Yelcho Ltd | Professional & scientific | 2014 |
| Zest Properties Limited | Construction | 2005 |
| Zonecrest Limited | Information & communication | 1996 |