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DirectoryIndustryMechanical Engineering IndustryZürich Eth-ZentrumTethys Robotics AG
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Tethys Robotics AG

Summary

About the company

Tethys Robotics AG develops and supplies the Tethys ONE underwater drone and related systems for automated inspections, 3D mapping and data collection in rough or fast‑flowing waters. The offering includes autonomous mission capabilities, multidirectional navigation, integrated sonar and sensor payloads, and custom payload integration for use in energy, infrastructure, maritime, search and rescue, and marine science applications.

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Offering

Products & services

Industry:Mechanical Engineering IndustrySoftware Development
✓ Offered8
Underwater Drone
Underwater drone for inspections in rivers and tidal currents, with autonomous operation, 3D mapping, navigation, sensor integration and various payloads.
Automated Inspection
Robotic assessment of complex underwater environments and installations, with autonomous survey, 3D reality capture, investigation work and inspection in low visibility.
Energy Facility Inspections
Inspection, maintenance and monitoring of offshore oil and gas installations, offshore wind farms, hydropower plants and nuclear power plants.
Inspection of Infrastructure and Submerged Assets
Efficient end-to-end assessment of submerged installations for cable and telecommunications, civil engineering, commercial diving, clean water and aquaculture.
Search and Rescue Inspections
Portable underwater drone for autonomous inspection and assisted recovery in police, coast guard, border protection and rescue missions.
Press

Media

October 30, 2025Media
ETH-Spin-off secures €3.5 million to advance its under water robot
startupticker.ch
October 30, 2025Media
Tethys Robotics advances subsea automation with EUR 3.5 million pre-seed round
venturelab.swiss

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Location

Weinbergstrasse 35
8092 Zürich Eth-Zentrum

At a glance

Legal form
Corporation
UID
CHE-192.923.870
Founded
2024 · 2 years
Last commercial register change
July 9, 2026
Employees
11 to 20

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