Online Oceans
Builds Scout, a compact solar-powered autonomous surface vessel, and Tether fleet command software for maritime security and anti-submarine warfare.
Autonomous reconnaissance craft in the Baltic Sea, BALTOPS 2025. Photo: U.S. Navy photo by Petty Officer 2nd Class Ryan LeCompte, Public domain (PD-USGov-Military-Navy).
Round details
Seed, £4M, Apr 2026.
Why it matters
Commercial deliveries began April 2026 after first production months sold out; builds the Spotter Scout USV for Sofar Ocean.
Key figures confirmed by multiple sourcesLast checked 21 October 2026
Online Oceans: key questions
What does Online Oceans do?
Builds Scout, a compact solar-powered autonomous surface vessel, and Tether fleet command software for maritime security and anti-submarine warfare.
Where is Online Oceans based?
Online Oceans is headquartered in Christchurch, United Kingdom. It was founded in 2025.
How much funding has Online Oceans raised?
Total funding is ~£4M, based on announced and reported rounds. Latest round: Seed, £4M, Apr 2026.
Who are Online Oceans's investors?
Notable investors include Seraphim Space, Koro Capital, Florian Seibel.
Sources
- tech.eu/2026/04/30/online-oceans-raises-ps4m-to-scale-autonomous-fleets-for-maritime-secur
- uktech.news/defence-tech/online-oceans-raises-4m-to-scale-autonomous-fleets-for-maritime-s
- vcbacked.co/company/online-oceans
Figures come from company announcements and press reports. Spot an error? Send a correction. Nothing here is investment advice.
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