Startup · Switzerland
Tethys Robotics
HQ Zurich, SwitzerlandFounded 201811-50 employeesUpdated
Tethys Robotics specializes in pioneering underwater drones, concentrating on the transformation of marine technology to thrive in challenging environments.
Funding3 rounds · ~$4.4M
- Equity raised
- ~$4.4M
- Debt, secondaries & grants
- ~$233K
- Latest
- ~$233KGrant · May 20, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| May 20, 2026 | Grant | ~$233K | — | — | — | Reported |
| Oct 30, 2025 | Pre-Seed | ~$4.4M | — | — | — | Reported |
| Jul 14, 2023 | Grant | Undisclosed | — | — | — | Reported |
- Grant~$233KMay 20, 2026
- Pre-Seed~$4.4MOct 30, 2025
- GrantUndisclosedJul 14, 2023
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems1
- Tethys OneAn underwater drone for inspection, navigation and mapping.
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Uncrewed systems | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Underwater drones for challenging marine environments; no defense use is stated. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Underwater drones for challenging marine environments; no defense use is stated.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People1
| Person | Role |
|---|---|
| Jonas Wüst | Co-Founder and CEO |
Sources5
Profile2
- 1
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "a0395749-05a0-489e-b19c-3b7da72a73c9", "name": "Tethys Robotics"}”
- 2
Tethys Robotics · Supports Organization · description, Organization · name, Organization · website
“Tethys Robotics specializes in pioneering underwater drones, concentrating on the transformation of marine technology to thrive in challenging environments.”
Systems1
- 3
Tethys Robotics · Supports System
“Tethys One is a ready-to-use underwater drone, complete with a standard sensor package that guarantees advanced navigation and mapping capabilities.”
Funding1
- 4DatabaseTethys Robotics company profile
Octen Business Search · Supports Funding round, Organization · country, Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url
“funding round: Pre Seed Round, 2025-10-30, CHF 3,500,000, lead: Redstone.VC”
People1
- 5
creators.spotify.com · Supports Role
“Jonas Wüst is Co-Founder and CEO of Tethys Robotics, which sells complex underwater robotic systems to industrial and public-sector customers.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.