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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.