Company lists · Data refreshed September 2026

Top 22 Naval unmanned systems companies based in the United Kingdom

RevenueBase identified 39 naval unmanned systems companies headquartered in the United Kingdom as of September 2026 and tracks 2,186 professional contacts across them, including 1,091 with verified work emails. London is the largest hub.

This list covers naval unmanned systems companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
39Companies
2,186Contacts tracked
1,091Verified emails
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The 22 largest naval unmanned systems companies based in the United Kingdom

Ranked by team size
Top 22 of 39 naval unmanned systems companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to naval unmanned systems companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 20, 2026501-1,000714 contacts →

Indirect evidence

“Ocean Infinity is a technology-driven company transforming how ocean operations are carried out.”

Source: RevenueBase Database · checked Sep 20, 2026
2Partial evidenceBeckington, United KingdomHQ checked Sep 20, 2026201-500392 contacts →

Partial evidence

“For over 60 years, SEA has delivered research, development, manufacturing, training, and support of complex maritime systems to the Royal Navy, international partners, and…”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceYateley, United KingdomHQ checked Sep 20, 2026201-500273 contacts →

Indirect evidence

“Underwater innovations for energy, defence and science.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidencePortsmouth, United KingdomHQ checked Sep 20, 202651-200159 contacts →

Indirect evidence

“Based in Portsmouth, SSC’s mission is to provide maritime and amphibious forces with the operational advantage through the accelerated research, development and delivery of…”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceEdinburgh, United KingdomHQ checked Sep 20, 202651-20081 contacts →

Partial evidence

“SeeByte provides clients in the global maritime industry with the most advanced software solutions to enhance the capabilities of their uncrewed systems.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20076 contacts →

Indirect evidence

“High-performance dual-use composite littoral platforms for defence and commercial application in the maritime industry.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidencePlymouth, United KingdomHQ checked Sep 20, 202611-5042 contacts →

Partial evidence

“An independent company specialising in the provision of Manned and Unmanned Submarines / Vehicles for defence, research, commercial survey and for fun.”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceHampshire, United KingdomHQ checked Sep 20, 202611-5041 contacts →

Partial evidence

“Evolve Dynamics builds rugged, battle-tested uncrewed aircraft systems for defence, emergency response, and critical infrastructure.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceYateley, United KingdomHQ checked Sep 20, 202611-5036 contacts →

Indirect evidence

“We solve the defence challenges of today and tomorrow, enabling navies to dominate the underwater battlespace through next generation situational awareness technology.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidencePlymouth, United KingdomHQ checked Sep 20, 202611-5035 contacts →

Indirect evidence

“ACUA Ocean designs and develops uncrewed surface vessels (USV) for ocean monitoring and data collection, providing a stable open ocean platform to deploy autonomous and remotely…”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidencePewsey, United KingdomHQ checked Sep 20, 202611-5025 contacts →

Partial evidence

“Modini specialise in the design, development, test, evaluation and operational delivery of complex uncrewed systems (UxS).”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceTollesbury, United KingdomHQ checked Sep 20, 202611-5021 contacts →

Indirect evidence

“SEA-KIT International is a British SME providing hi-tech, USV (uncrewed surface vessel) solutions to the maritime, ocean science, research, defence and security industries for…”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceExeter, United KingdomHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“We revolutionise ocean data collection with a fleet of battery-electric and battery-hybrid Uncrewed Surface Vessels (USVs), cutting carbon intensity by ~97%.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceOkehampton, United KingdomHQ checked Sep 20, 202611-5010 contacts →

Indirect evidence

“AutoNaut USV is a wave propelled Uncrewed Surface Vessel that can be deployed offshore for multiple months, collecting data for a range of applications and industries including…”

Source: RevenueBase Database · checked Sep 20, 2026
15Partial evidenceDenmead, United KingdomHQ checked Sep 20, 202611-509 contacts →

Partial evidence

“Dynautics is a pioneering provider of control systems for uncrewed surface and subsea vehicles.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202611-507 contacts →

Indirect evidence

“Milanion Group is a defence technology and industrial group focused on delivering sovereign capability at speed.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceCamberely, United KingdomHQ checked Sep 20, 20261-107 contacts →

Indirect evidence

“Designers and manufacturers of Autonomous Underwater Vehicles (AUV) developed in partnership with the National Oceanography Centre.”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceWarminster, United KingdomHQ checked Sep 20, 202611-506 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceSimonstone, United KingdomHQ checked Sep 20, 202611-502 contacts →

Indirect evidence

“Dedicated to advancing UAV Development for Government & Defence organisations Having developed a strong understanding of customers’ challenges, our small tactical UAS portfolio is…”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceSwansea, United KingdomHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Zero emission cargo submarines”

Source: RevenueBase Database · checked Sep 20, 2026
22Strong evidenceLondon, United KingdomHQ checked Sep 20, 202611-501 contacts →

Strong evidence

“BML develop and manufacture unmanned aircraft systems for use in civilian and military applications around the world.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 22 of 39 naval unmanned systems companies based in the United Kingdom

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Naval unmanned systems companies based in the United Kingdom at a glance

As of Sep 20, 2026
49.9%Verified-email coverage
56.1Average contacts per company
11-50Median size (employees)
20.5%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
16
51-200
5
201-500
2
501-1,000
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 39 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among naval unmanned systems companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “naval unmanned systems companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names naval unmanned systems companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among naval unmanned systems companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 1,091 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names naval unmanned systems companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many naval unmanned systems companies are there based in the United Kingdom?

RevenueBase identified 39 naval unmanned systems companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Ocean Infinity, headquartered in London, tops this list with the largest team on record.

Which city has the most naval unmanned systems companies?

London leads with 8 headquartered companies, followed by Plymouth (2) and Weymouth (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,091 verified decision-maker contacts tracked across these 39 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.