Tethys Robotics raises EUR 3.5M pre-seed round

Oct 30, 2025 · Funding · Tethys Robotics · Maritime

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

Tethys Robotics company media
Company media · Tethys Robotics
  • 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.

Swiss underwater robotics company building compact inspection robots.