| Staige GmbH | |
| Staking Academy | |
| Stapelfeldt Ingenieurgesellschaft mbH | North Rhine-Westphalia |
| Stapis GmbH | Berlin |
| Star Finanz - Software Entwicklung und Vertriebs GmbH | Hamburg |
| Star Finanz-Software Entwicklung und Vertriebs GmbH | Hamburg |
| STAR PC Computer- und Kommunikationssysteme GbR | |
| Star-Computer Dortmund | North Rhine-Westphalia |
| Starberry Games GmbH | |
| StarCom GmbH | Bavaria |
| Stark.Marketing GmbH | |
| Starke + Reichert GmbH & Co. KG | Hesse |
| Starke Datensysteme Erfurt GmbH | Thuringia |
| starline Computer GmbH | Baden-Württemberg |
| StarNet Informations Technologie GmbH | North Rhine-Westphalia |
| StarPeak OnlineMedia | |
| Starsys Informatik GmbH | Baden-Württemberg |
| START Berlin e.V. | |
| START Demo Day | Berlin |
| Start Up Energy Transition | |
| Start Vertriebsgesellschaft mbH | Rhineland-Palatinate |
| Start-up BW | Baden-Württemberg |
| Start2 Group GmbH | |
| Startbase | |
| StartersCapital | |
| Starthub Ventures | |
| Startnext GmbH | |
| Startplatz | North Rhine-Westphalia |
| Startplus.de Internet Provider GmbH | |
| STARTS Design GmbH | |
| Startstories | Lower Saxony |
| Startup Autobahn | |
| StartUP Berlin | |
| Startup Berlin Group | |
| Startup Campus Germany | |
| Startup Class | |
| Startup Colors UG | |
| Startup Creasphere | |
| Startup Dock | Hamburg |
| Startup Germany e.V. | Berlin |
| Startup Heatmap Europe | |
| Startup Incubator Berlin | Berlin |
| Startup Lions | Bavaria |
| StartUp München | |
| Startup Nomads | |
| Startup Region Stuttgart | Baden-Württemberg |
| Startup Safari | North Rhine-Westphalia |
| Startup Safari Cologne | North Rhine-Westphalia |
| Startup Sucht | Hesse |
| Startup Workshops Ottlik UG (haftungsbeschränkt) | |