| Stirixis SA |
| Stirling Ackroyd Group Limited |
| Stonegate Farmers Ltd |
| Stonegate Food Group Ltd |
| Storm Ventures |
| Storytel AB |
| Stotmeister Beteiligungs GmbH |
| Straive |
| Strategic Agenda (UK) Limited |
| Strathmore University |
| Streets Reimagined Ltd |
| Strengthening Participatory Organization (SPO) |
| Stripe Inc |
| Stroud Brewery Limited |
| StudentMarketing s.r.o. |
| Studio 1212 |
| Studio Future Ltd |
| Studio Wayne McGregor Limited |
| Sumisho Osaka Gas Water UK Ltd |
| Sumitomo Corporation Group |
| Summit Water Limited |
| Sungi Development Foundation |
| Sunmedair Travel & Tourism Services Srl |
| SunPower Corporation UK Limited [OLD] |
| Sunshine Solar Limited |