Company lists · Data refreshed November 2026

Top 25 Maritime cybersecurity firms based in the Netherlands

RevenueBase identified 57 company matches for maritime cybersecurity firms associated with the Netherlands as of November 2026 and tracks 941 professional contacts across them, including 267 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for maritime cybersecurity firms associated with the Netherlands, 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 November 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
57Companies
941Contacts tracked
267Verified emails
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The 25 largest maritime cybersecurity firms based in the Netherlands

Ranked by team size
Top 25 of 57 company matches for maritime cybersecurity firms based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRijswijk, NetherlandsHQ recorded Nov 5, 2026201-500232 contacts →

Exact match

“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchAmsterdam-duivendrecht, NetherlandsHQ recorded Nov 5, 202611-5075 contacts →

Exact match

“At Varuna Marine Services B.V, we understand the ever-changing nature of the maritime industry and the challenges it brings.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact match3447gg, NetherlandsHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“Surelock IT Security Services helpt organisatie inzicht te krijgen in de IT-kwetsbaarheden van hun organisatie.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 202651-20022 contacts →

Exact match

“ESS Maritime delivers tailor-made maritime risk solutions and expert advice to a range of clients in the offshore and superyacht industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLopik, NetherlandsHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Bij HOB ICT Security werken we dagelijks aan het versterken van de weerbaarheid van middelgrote en grote organisaties tegen alle vormen van cyberdreigingen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchRotterdam, NetherlandsHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchArnhem, NetherlandsHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“CyberPeak supports organizations in structurally setting up, securing, and managing their network and cybersecurity environments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“A DNV company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchAlkmaar, NetherlandsHQ recorded Nov 5, 20261-1013 contacts →

Exact match

“Specialists from Sirius Security have all the skills to help enterprise organisations to secure their IT environment.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchAbcoude, NetherlandsHQ recorded Nov 5, 202611-507 contacts →

Exact match

“Cyber Security Challengers (CSC) is uw onafhankelijke cybersecurity expert en dienstverlener.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchRijen, NetherlandsHQ recorded Nov 5, 20261-106 contacts →

Exact match

“Wij zijn GRCguard, de Cyberweerbaarheid partner voor alle ondernemers: van kleine en middelgrote tot grote organisaties.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchNieuw-vennep, NetherlandsHQ recorded Nov 5, 202611-506 contacts →

Exact match

“About Custodian Custodian offers trustworthy IT- and Cybersecurity services and solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchUtrecht, NetherlandsHQ recorded Nov 5, 20261-105 contacts →

Exact match

“At OTconnect, we are passionate about cybersecurity and helping industrial companies protect their critical infrastructure from cyber threats.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSittard, NetherlandsHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Be s(ec)ure!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchZeewolde, NetherlandsHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Stel je voor, ergens in het digitale universum waarin we leven, zijn er sluwe hackers die de boel willen verstoren.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Bij Socured geloven we niet in vendor-gedreven advies of losse oplossingen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchIjsselstein, NetherlandsHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Titanium24 is dé partner op het gebied van cybersecurity voor bedrijven die de beveiliging van hun digitale infrastructuur serieus nemen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 20261-103 contacts →

Exact match

“The International Maritime Organization (IMO) have mandated that cyber security be an integral part of onboard safety management systems and must be audited.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchCulemborg, NetherlandsHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Our portfolio consists of the following high-quality & intelligence-driven solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBussum, NetherlandsHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Perfect Day helpt mkb bedrijven met cyber security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchPl, NetherlandsHQ recorded Nov 5, 2026201-5002 contacts →

Exact match

“Eviden Digital Security NL (voorheen Motiv) is dé cybersecurity-specialist die organisaties in de publieke en private sector voorziet van IT- beveiligingsoplossingen en –diensten…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLeeuwarden, NetherlandsHQ recorded Nov 5, 202611-502 contacts →

Exact match

“The goal of the Maritime IT Security research group is to conduct impactful research into cyber threats to the Maritime Transportation System (MTS).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchVleuten, NetherlandsHQ recorded Nov 5, 20261-102 contacts →

Exact match

“At Secuza, we enable our customers in improving their business operations by leveraging our industry-wide experience, expertise in cutting-edge technology and an extensive…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 20261-101 contacts →

Exact match

“Cyber.Dockside.ai is a cyber security & risk management company that serves the yachting & maritime industries, supply chain and financial services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchHeerhugowaard, NetherlandsHQ recorded Nov 5, 20261-101 contacts →

Exact match

“ITS Risky helps growing and regulated organisations across Europe strengthen cybersecurity governance, achieve compliance and become operationally resilient through pragmatic and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 57 maritime cybersecurity firms based in the Netherlands

See the full list, filter by size, metro and specialty, and access 267 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Maritime cybersecurity firms based in the Netherlands at a glance

As of Nov 5, 2026
28.4%Verified-email coverage
16.5Average contacts per company
1-10Median size (employees)
15.8%Largest-city concentration · Amsterdam
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
17
51-200
4
201-500
4

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 57 companies.

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 Netherlands whose business descriptions match “maritime cybersecurity firms” 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 267 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 November 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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many maritime cybersecurity firms are there based in the Netherlands?

RevenueBase identified 57 company matches for maritime cybersecurity firms associated with the Netherlands as of November 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?

Fox-It tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most maritime cybersecurity firms?

Amsterdam leads with 9 company records, followed by Rotterdam (3) and Ad (2).

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 267 professional contacts with verified work emails tracked across these 57 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 November 5, 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 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.