Tethys Robotics Develops Autonomous Underwater Robots for Inspections in High-Current Waters
Tethys Robotics, co-founded by Jonas Wüst, creates autonomous underwater robots for inspections in challenging maritime environments. The startup has raised over CHF 8 million, with CHF 3.5 million from PreSeed 2025. Their technology features hybrid AUV/ROV operation, advanced sensor fusion, and real-time 3D mapping, addressing the growing demand for automation and data-driven inspections in the subsea industry. Tethys aims for autonomous inspection to become standard in five years, enhancing safety and reducing costs.

Tethys Robotics develops compact autonomous underwater robots designed for inspections in turbid, high-current waters. The company has raised over CHF 8 million, including CHF 3.5 million from PreSeed 2025.
Their unique technology combines hybrid AUV/ROV operations, advanced sensor fusion, and real-time 3D mapping. This innovation addresses the increasing demand for automation and frequent inspections in the subsea sector, driven by rising costs and security concerns. Tethys aims for their technology to establish autonomous inspections as the norm within five years, significantly reducing offshore risks and costs.




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