| Simon & Schuster UK |
| Simple Energy Limited |
| Simple Health & Beauty Group Limited |
| Skipton Building Society |
| Skotkonung Ltd |
| SKS FARMS CIA PRODUCTS. LTDA. |
| Skwigly Ltd. |
| Sky Education |
| Sky Group |
| Skyscanner Holdings Limited |
| Skytec AS |
| Smart Edge English Language Professionals’ Association (SEELPA) |
| Smeg SpA |
| Smemoranda Group |
| Smol Limited |
| SNC-Lavalin Group Inc |
| So Energy Limited |
| SOAS University of London |
| Social Enterprise Academy |
| Social Shifters |
| Social Supermarket |
| Societe d'Ingenierie Informatique et de Communication |
| Society for the Improvement of Rural People |
| Sodalis Group |
| Sodasan Verwaltungs GmbH & Co. KG |