We develop underwater robots to tackle tasks in challenging environments, focusing on modularity and an innovative omnidirectional control.
Location: Switzerland
Employees: 1-10
Total raised: $4.09M
Founded date: 2018
Investors 2
| Date | Name | Website |
| - | Free Elect... | freeelectr... |
| 16.01.2023 | Venture Ki... | venturekic... |
Funding Rounds 1
| Date | Series | Amount | Investors |
| 30.10.2025 | Pre-Seed | $4.09M | Venture Ki... |
Mentions in press and media 19
| Date | Title | Description |
| 17.12.2025 | Swiss mobile startups ready to grow internationally | The Venture Leaders Mobile roadshow provides a unique opportunity for entrepreneurs to accelerate their startups' expansion in the mobile and digital ecosystem while expanding their professional network and profiting from pitch sessions wi... |
| 07.11.2025 | Swisstech with 26 startups take active role at SLUSH 2025 | The 2025 edition of SLUSH is scheduled for November 19-20 in Helsinki, Finland, bringing together over 13,000 visitors including 6000+ European startups, 5500+ investors, supporters and enthusiast. The event will again feature the swisstec... |
| 31.10.2025 | Europe's Tech Crossroads: Billions Flow, But Profitability Demands Grow | European startups navigate a dynamic funding landscape. GreenTech leader empact secured a massive €100 million. DeepTech innovator Q.ANT now boasts €68 million in total funding. Robotics firm Tethys Robotics pulled in €3.5 million. AI data ... |
| 30.10.2025 | ETH-Spin-off secures €3.5 million to advance its under water robot | The Tethys ONE under water robot by Tethys Robotics operates at depths of up to 300 meters and is designed for safety‑critical missions, including inspections and maintenance in offshore wind, oil, and gas sectors, disposal of explosive re... |
| 30.10.2025 | empact bekommt 100 Millionen – Tethys Robotics sammelt 3,5 Millionen ein – Scavenger erhält 2,5 Millionen | Im #DealMonitor für den 30. Oktober werfen wir einen Blick auf die wichtigsten, spannendsten und interessantesten Investments und Exits des Tages in der DACH-Region. Alle Deals der Vortage gibt es im großen und übersichtlichen #DealMonitor-... |
| 05.11.2024 | The Rise of Innovation Hubs in Switzerland: A New Era for Space and Startups | Switzerland is becoming a beacon of innovation. The European Space Agency (ESA) and the Paul Scherrer Institute (PSI) have launched the European Space Deep-Tech Innovation Centre (ESDI). This initiative is more than just a name; it’s a bold... |
| 04.11.2024 | Startup Nights geben Impulse für die Schweizer Startup-Szene | Ein Höhepunkt der diesjährigen Startup Nights waren die Pitching-Wettbewerbe in den Kategorien Pre-Seed und Seed. In der Pre-Seed-Phase arbeiten die Gründerinnen und Gründer an ihrer Idee und legen erste Grundlagen, um das Unternehmen ins ... |
| 09.09.2024 | Tethys launches under-water inspection robot | Tethys Robotics was founded by Jonas Wüst and Pragash Sivananthaguru from research conducted at ETH Zürich. Its flagship product Tethys ONE is equipped with advanced sensors, cameras, and navigation systems that allow it to perform inspect... |
| 25.04.2024 | Swiss climate startups triumph in global competitions | Free Electrons is the first global energy startup accelerator program designed to connect the most promising energy startups worldwide with leading utility companies. In the 8th edition, 29 startups will join a bootcamp end of May in Madri... |
| 19.04.2024 | Wyss Zurich expands portfolio | Wyss Zurich is a joint accelerator of the University of Zurich and ETH Zurich, funded by a generous donation from the Swiss entrepreneur and philanthropist Dr Hansjörg Wyss. By providing projects with capital and access to infrastructure a... |
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