Online Oceans

Environmental Science · Underwater & Marine Robotics
Venture roundlatest round · Apr 2026 · 7 mo ago
1backers · Seraphim Space
$62kgrants · 1 grant · CORDIS
10+team · employees, estimated range

Overview

Persistent ocean sensing at a fraction of the cost. Scout autonomous surface vehicles collect data for months, not days. From £40k - deploy swarms of low-cost ocean robots.

Funding and backers

Latest round
Venture round
Apr 2026 · 7 mo ago
Team
11-50
employees, estimated range
Grants
$62k
1 grant · CORDIS
Backers
1
Seraphim Space
The money's age
Fresh money
7 months since the last round · not hiring
Momentum
20/100
fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 9 Raised a round Venture round Oct 1, 2025 Won a grant $62k · CORDIS Aug 22, 2025 Raised a round Venture round Mar 12, 2025 Raised a round Venture round May 9, 2024 Raised a round Venture round 2023 Founded
Tractionpublic signals, read monthly
Web presence
top 6%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Venture round Apr 2026 — — find-and-update.company-information.service.gov.uk
Grant Oct 2025 $62k — CORDIS
Venture round Aug 2025 — — find-and-update.company-information.service.gov.uk
Venture round Mar 2025 — — find-and-update.company-information.service.gov.uk
Venture round May 2024 — — find-and-update.company-information.service.gov.uk
Registers and programsofficial lists and records that name the company
Legal entity Online Oceans Robotics Limited its site
Backed byfrom the funds' portfolios and accelerator catalogs
Seraphim Space fund
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Visa sponsorship

United KingdomUK A-rated
A-rated
Sponsor licence
Skilled Worker
Visa route
0
Open roles in United Kingdom
In the register as Online Oceans Robotics Limited, Christchurch
Other sponsors in the same field
Arcadis 755 rolesOceaneering International 184 rolesIDEXX Laboratories 181 rolesSLR Consulting 150 roles
Alert me
UK Home Office · checked Nov 12, 2026 · Visa details by country

Financials

Total raised
$62k
Latest round
Venture - Series Unknown
Funding rounds
5
Funding rounds
Round Announced Amount
Venture - Series Unknown 2026 — Details
Grant 2025 $62k Details
Venture - Series Unknown 2025 — Details
Venture - Series Unknown 2025 — Details
Venture - Series Unknown 2024 — Details

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
Seraphim SpaceVia a fund
112 portfolio companies: York Space Systems, MP Space Learn More, ConstelIR Learn More and 109 more
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News

News sUAS News 7 months ago
Online Oceans Raises £4 Million to Scale Autonomous Surface Fleets for Defence and Maritime Security
Backed by Seraphim Space, Peter Rive, Frank Thieser and Florian Seibel, the UK company is building a new model for persistent maritime coverage across defence, subsea infrastructure and border security Online Oceans, a UK company building autonomous surfa
Read more
Report

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
London United Kingdom
HQ
10-50 est. staff
company site