Tethys Robotics raises EUR 3.5M pre-seed round
Tethys Robotics raised EUR 3.5 million in pre-seed funding for autonomous underwater inspection systems.

Evidence notes
- Redstone led the round, with Euregio+, Alpine VC, Zürcher Kantonalbank, ETH Foundation, Kickfund and Venture Kick participating.
- The capital supported engineering, data teams, production scale-up and commercial operations across Europe.
- The capital supports robot sensing, actuation, compute or communications systems as Tethys Robotics moves toward broader commercial use.
Company context
Swiss underwater robotics company building compact inspection robots.