Company lists · Data refreshed September 2026
Top 17 Maritime cybersecurity companies based in the United Kingdom
RevenueBase identified 36 company matches for maritime cybersecurity companies associated with the United Kingdom as of September 2026 and tracks 797 professional contacts across them, including 324 with verified work emails and 67 with mobile numbers. London is the largest hub.
This list covers company matches for maritime cybersecurity companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 17 largest maritime cybersecurity companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 183 contacts → | ||||
Exact match “Pole Star Global is a maritime intelligence and technology solutions company, focusing on reducing risk and optimising trade efficiency.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 2 | 132 contacts → | ||||
Exact match “Founded in 2018 by a team of Navy veterans, Orca AI, a maritime tech startup, empowers shipping companies to enhance their operational safety, efficiency, and sustainability…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 3 | 129 contacts → | ||||
Exact match “SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 4 | 52 contacts → | ||||
Exact match “CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 5 | 35 contacts → | ||||
Exact match “Since 1998, we have been providing a range of technology solutions and services for Maritime IT teams helping them manage communications, security, and fleet operations from shore…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 6 | 24 contacts → | ||||
Exact match “Clearwater Dynamics delivers industry‑leading technology solutions specialising in IoT connectivity, vessel tracking, and risk‑mitigation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Regal Maritime Solutions has been operating since 2011, providing bespoke security solutions to both merchant and private vessels against acts of piracy in high risk waters…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “Maritime & Underwater Security Consultants (MUSC) specialise in counter piracy and ship security, unexploded ordnance disposal, port and supply chain security, high-risk shore-end…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “HR Maritime delivers hybrid maritime security built on intelligence, technology, and operational force.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “Zeal GMS Ltd is a UK maritime security company, providing peace of mind and security to both commercial and private clients trying to come to terms with the ever increasing threat…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “Always On - We are at the heart of a diverse and interdependent global maritime eco-system.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Secure a Ship Ltd provides maritime security solutions in the designated High Risk Areas throughout the Gulf of Aden, East and West African coastlines, Indian Ocean, Gulf of Oman…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “We support the shipping industry’s transition from improvised deterrence to engineered boarding prevention.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Providing Marine & Land based specialist security systems for more than 30 years.@ Halo Group | Marine Security Expert - Anti Drone - Hack Take Control - Laser Defence Systems” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Ultra Horizon Ltd is a cyber security company comprised of computer scientists who design bespoke security solutions for the maritime and defence sector.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Machine learning for the maritime security industry” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “maritime cybersecurity companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 17 of 36 maritime cybersecurity companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 324 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Maritime cybersecurity companies based in the United Kingdom at a glance
As of Sep 5, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “maritime cybersecurity companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 324 professional contacts with verified work emails across the full matched dataset. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “maritime cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many maritime cybersecurity companies are there based in the United Kingdom?
RevenueBase identified 36 company matches for maritime cybersecurity companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Pole Star Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most maritime cybersecurity companies?
London leads with 12 company records, followed by Poole (2) and Banbury (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 324 professional contacts with verified work emails tracked across these 36 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 36 maritime cybersecurity companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Maritime cybersecurity companies by geography
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Maritime cybersecurity companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
- Media companies based in the United Kingdom
- Oil and gas companies based in the United Kingdom
Company intelligence · public preview
Top 17 maritime cybersecurity companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 36 matching company records for maritime cybersecurity companies based in the United Kingdom, with 797 tracked contacts and 324 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 maritime cybersecurity companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Pole Star Globalpolestarglobal.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 183 contacts → |
“Pole Star Global is a maritime intelligence and technology solutions company, focusing on reducing risk and optimising trade efficiency.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Orca AIorca-ai.ioHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 132 contacts → |
“Founded in 2018 by a team of Navy veterans, Orca AI, a maritime tech startup, empowers shipping companies to enhance their operational safety, efficiency, and sustainability…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SRT Marine Systems PLCsrt-marine.comHQ: Midsomer Norton, United KingdomReported employees: 51-200 | Midsomer Norton, United Kingdom | 51-200 | Exact match | 129 contacts → |
“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cyberowlcyberowl.ioHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Gtmaritimegtmaritime.comHQ: Warrington, United KingdomReported employees: 11-50 | Warrington, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Since 1998, we have been providing a range of technology solutions and services for Maritime IT teams helping them manage communications, security, and fleet operations from shore…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clearwater Dynamicscwdynamics.comHQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Clearwater Dynamics delivers industry‑leading technology solutions specialising in IoT connectivity, vessel tracking, and risk‑mitigation.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Marineguard Systems Limitedmarineguard.comHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 23 contacts → |
“MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Regal Maritime Solutionsregalmaritimesolutions.comHQ: Borehamwood, United KingdomReported employees: 11-50 | Borehamwood, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Regal Maritime Solutions has been operating since 2011, providing bespoke security solutions to both merchant and private vessels against acts of piracy in high risk waters…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Maritime And Underwater Security Consultantsmandusc.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Maritime & Underwater Security Consultants (MUSC) specialise in counter piracy and ship security, unexploded ordnance disposal, port and supply chain security, high-risk shore-end…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  HR Maritime Consultants LTDhrmaritime.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 16 contacts → |
“HR Maritime delivers hybrid maritime security built on intelligence, technology, and operational force.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Zeal Global Maritime Solutions LTDzeal-gms.com HQ: Nottinghamshire, United KingdomReported employees: 51-200 | Nottinghamshire, United Kingdom | 51-200 | Exact match | 13 contacts → |
“Zeal GMS Ltd is a UK maritime security company, providing peace of mind and security to both commercial and private clients trying to come to terms with the ever increasing threat…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Ambrey Analyticsambrey.comHQ: Hereford, United KingdomReported employees: 11-50 | Hereford, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Always On - We are at the heart of a diverse and interdependent global maritime eco-system.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Secure A Ship LTDsecureaship.comHQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Secure a Ship Ltd provides maritime security solutions in the designated High Risk Areas throughout the Gulf of Aden, East and West African coastlines, Indian Ocean, Gulf of Oman…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Palaemon Maritimepalaemonmaritime.comHQ: Glasgow, United KingdomReported employees: 1-10 | Glasgow, United Kingdom | 1-10 | Exact match | 5 contacts → |
“We support the shipping industry’s transition from improvised deterrence to engineered boarding prevention.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Halo Group Security Limitedhalogroupsecurity.comHQ: Farnham, United KingdomReported employees: 51-200 | Farnham, United Kingdom | 51-200 | Exact match | 4 contacts → |
“Providing Marine & Land based specialist security systems for more than 30 years.@ Halo Group | Marine Security Expert - Anti Drone - Hack Take Control - Laser Defence Systems” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ultra Horizonultra-horizon.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Ultra Horizon Ltd is a cyber security company comprised of computer scientists who design bespoke security solutions for the maritime and defence sector.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  G.U11gueleven.comHQ: Cambridge, United KingdomReported employees: 1-10 | Cambridge, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Machine learning for the maritime security industry” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 36 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Maritime cybersecurity companies: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
36 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for maritime cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many maritime cybersecurity companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 36 matching company records, 797 tracked contacts and 324 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Maritime cybersecurity companies by geography
Cite this list
RevenueBase Data Team. Top 17 maritime cybersecurity companies based in the United Kingdom. Snapshot: September 5, 2026. https://revenuebase.ai/companies/maritime-cybersecurity-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Maritime cybersecurity companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
- Media companies based in the United Kingdom
- Oil and gas companies based in the United Kingdom
Company intelligence · public preview
Top 17 maritime cybersecurity companies based in the United Kingdom
RevenueBase records 36 matching company records for maritime cybersecurity companies based in the United Kingdom, with 797 tracked contacts and 324 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 maritime cybersecurity companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Pole Star Globalpolestarglobal.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 183 contacts → |
“Pole Star Global is a maritime intelligence and technology solutions company, focusing on reducing risk and optimising trade efficiency.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Orca AIorca-ai.io HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 132 contacts → |
“Founded in 2018 by a team of Navy veterans, Orca AI, a maritime tech startup, empowers shipping companies to enhance their operational safety, efficiency, and sustainability…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SRT Marine Systems PLCsrt-marine.com HQ: Midsomer Norton, United KingdomReported employees: 51-200 | Midsomer Norton, United Kingdom | 51-200 | Exact match | 129 contacts → |
“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cyberowlcyberowl.io HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Gtmaritimegtmaritime.com HQ: Warrington, United KingdomReported employees: 11-50 | Warrington, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Since 1998, we have been providing a range of technology solutions and services for Maritime IT teams helping them manage communications, security, and fleet operations from shore…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clearwater Dynamicscwdynamics.com HQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Clearwater Dynamics delivers industry‑leading technology solutions specialising in IoT connectivity, vessel tracking, and risk‑mitigation.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Marineguard Systems Limitedmarineguard.com HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 23 contacts → |
“MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Regal Maritime Solutionsregalmaritimesolutions.com HQ: Borehamwood, United KingdomReported employees: 11-50 | Borehamwood, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Regal Maritime Solutions has been operating since 2011, providing bespoke security solutions to both merchant and private vessels against acts of piracy in high risk waters…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Maritime And Underwater Security Consultantsmandusc.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Maritime & Underwater Security Consultants (MUSC) specialise in counter piracy and ship security, unexploded ordnance disposal, port and supply chain security, high-risk shore-end…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HR Maritime Consultants LTDhrmaritime.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 16 contacts → |
“HR Maritime delivers hybrid maritime security built on intelligence, technology, and operational force.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Zeal Global Maritime Solutions LTDzeal-gms.com HQ: Nottinghamshire, United KingdomReported employees: 51-200 | Nottinghamshire, United Kingdom | 51-200 | Exact match | 13 contacts → |
“Zeal GMS Ltd is a UK maritime security company, providing peace of mind and security to both commercial and private clients trying to come to terms with the ever increasing threat…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ambrey Analyticsambrey.com HQ: Hereford, United KingdomReported employees: 11-50 | Hereford, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Always On - We are at the heart of a diverse and interdependent global maritime eco-system.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Secure A Ship LTDsecureaship.com HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Secure a Ship Ltd provides maritime security solutions in the designated High Risk Areas throughout the Gulf of Aden, East and West African coastlines, Indian Ocean, Gulf of Oman…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Palaemon Maritimepalaemonmaritime.com HQ: Glasgow, United KingdomReported employees: 1-10 | Glasgow, United Kingdom | 1-10 | Exact match | 5 contacts → |
“We support the shipping industry’s transition from improvised deterrence to engineered boarding prevention.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Halo Group Security Limitedhalogroupsecurity.com HQ: Farnham, United KingdomReported employees: 51-200 | Farnham, United Kingdom | 51-200 | Exact match | 4 contacts → |
“Providing Marine & Land based specialist security systems for more than 30 years.@ Halo Group | Marine Security Expert - Anti Drone - Hack Take Control - Laser Defence Systems” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ultra Horizonultra-horizon.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Ultra Horizon Ltd is a cyber security company comprised of computer scientists who design bespoke security solutions for the maritime and defence sector.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | G.U11gueleven.com HQ: Cambridge, United KingdomReported employees: 1-10 | Cambridge, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Machine learning for the maritime security industry” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 36 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Maritime cybersecurity companies: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
36 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for maritime cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many maritime cybersecurity companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 36 matching company records, 797 tracked contacts and 324 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Maritime cybersecurity companies by geography
Cite this list
RevenueBase Data Team. Top 17 maritime cybersecurity companies based in the United Kingdom. Snapshot: September 5, 2026. https://revenuebase.ai/companies/maritime-cybersecurity-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Maritime cybersecurity companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
- Media companies based in the United Kingdom
- Oil and gas companies based in the United Kingdom