| 1000039526 | SLOC GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000044622 | Smart Ends BV | BE-Belgium | Company | No | Alumnus | ESA BIC Belgium | |
| 1000013758 | SMART STRUCTURES SOLUTIONS SRL | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000046344 | SmartAIs UG (haftungsbeschränkt) | DE-Germany | Company | No | Incubatee | ESA BIC Bavaria | |
| 1000038150 | smartHAPS S.L. | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000036789 | SoHHytec SA | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000039053 | Soil Benchmark Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000043716 | SolPure | AT-Austria | Company | No | Incubatee | ESA BIC Austria | |
| 1000044670 | Solsign Limited | IE-Ireland | Company | No | Incubatee | ESA BIC Ireland | |
| 1000043268 | Space 11 srl | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000031832 | Space Layer Technologies | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000027059 | Space National | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000030755 | Space Talos Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000042420 | space2earth | IT-Italy | Company | No | Incubatee | ESA BIC Turin | |
| 1000042608 | Spacebackend Infraestructures, SL. | ES-Spain | Company | No | Incubatee | ESRIC Start-up Support Programme | |
| 1000027033 | SpaceEXE Srl | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000043072 | Spaceflux Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000042080 | Spacefood UG (haft.besch.) | DE-Germany | Company | No | Incubatee | ESA BIC Northern Germany | |
| 1000047567 | Spaceform Sp. z o.o. | PL-Poland | Company | No | Incubatee | ESA BIC Poland | |
| 1000047463 | Space-Lock RD GmbH | AT-Austria | Company | No | Incubatee | ESA BIC Austria | |