Tethys Robotics AG

Tethys Robotics develops autonomous underwater robots that enable precise, reliable inspections in turbid and high-current environments where conventional ROVs or divers fail. Our hybrid ROV/AUV system “Tethys ONE” combines advanced sensor-fusion navigation with modular payloads for visual, sonar, and ultrasonic inspection. By automating underwater data collection and reporting, we help operators in offshore wind, hydropower, and utilities reduce costs, minimize vessel time, and improve safety. The global subsea inspection market exceeds €5 billion annually, driven by the growing need for sustainable asset monitoring in renewable and critical infrastructure.