UK-based maritime defence startup Online Oceans has raised £4 million in funding. The round was led by Seraphim Space, with participation from Peter Rive, Frank Thieser, Florian Seibel, and Koro Capital. The company develops autonomous surface vessels and fleet software for continuous maritime monitoring in defence and security. The funding will be used to scale manufacturing, support deployments, and expand capacity to meet demand across defence and commercial markets.
About Online Oceans
Online Oceans is a UK-based maritime defence startup developing autonomous systems for persistent maritime coverage. Its offering combines Scout, a compact solar-powered autonomous surface vessel, with Tether, a cloud-based command-and-control platform that allows operators to manage missions, monitor assets, and access data in real time.
UK-based, United Kingdom
Read Company ProfileFrequently Asked Questions
What type of funding round did Online Oceans raise?
Online Oceans raised a unspecified round.
How much did Online Oceans raise in its unspecified?
Online Oceans raised $4,000,000 GBP in its unspecified.
When did Online Oceans raise its unspecified?
Online Oceans raised its unspecified on 2026-04-30.
Who invested in Online Oceans's unspecified?
The investors in Online Oceans's unspecified are: Seraphim Space, Peter Rive, Frank Thieser, Florian Seibel, Koro Capital.
What type of investment was Online Oceans's unspecified?
Online Oceans's unspecified was a equity investment.
How will Online Oceans use the funds from its unspecified?
Online Oceans plans to use the funds for: scale manufacturing, support deployments, expand the company’s ability to meet growing demand across defence and commercial markets.