Company lists · Data refreshed September 2026
Top 21 Cybersecurity for city infrastructure based in the Netherlands
RevenueBase identified 46 cybersecurity for city infrastructure headquartered in the Netherlands as of September 2026 and tracks 1,104 professional contacts across them, including 286 with verified work emails and 42 with mobile numbers. Amsterdam is the largest hub.
This list covers cybersecurity for city infrastructure headquartered in the Netherlands, 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 1, 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.
The 21 largest cybersecurity for city infrastructure based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 237 contacts → | ||||
Partial evidence “Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 2 | 83 contacts → | ||||
Partial evidence “ON2IT is a global pure-play cybersecurity service provider.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 3 | 37 contacts → | ||||
Indirect evidence “Surelock IT Security Services helpt organisatie inzicht te krijgen in de IT-kwetsbaarheden van hun organisatie.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 4 | 23 contacts → | ||||
Partial evidence “ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 5 | 14 contacts → | ||||
Indirect evidence “A DNV company.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 6 | 14 contacts → | ||||
Indirect evidence “Bij HOB ICT Security werken we dagelijks aan het versterken van de weerbaarheid van middelgrote en grote organisaties tegen alle vormen van cyberdreigingen.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 7 | 13 contacts → | ||||
Partial evidence “CyberPeak supports organizations in structurally setting up, securing, and managing their network and cybersecurity environments.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 8 | 12 contacts → | ||||
Indirect evidence “Specialists from Sirius Security have all the skills to help enterprise organisations to secure their IT environment.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 9 | 9 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Indirect evidence “Zoekt u digitale rust en zekerheid?” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Partial evidence “NetStream is al meer dan 20 jaar een betrouwbare partner op het gebied van netwerkinfrastructuur en cybersecurity.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Indirect evidence “Netwerkbeveiliging is nog nooit zo uitdagend geweest.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Strong evidence “At OTconnect, we are passionate about cybersecurity and helping industrial companies protect their critical infrastructure from cyber threats.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Partial evidence “In welke sector uw organisatie ook actief is, uw cybersecurity moet van hoog niveau zijn om zorgeloos te kunnen opereren.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Strong evidence “Titanium24 is dé partner op het gebied van cybersecurity voor bedrijven die de beveiliging van hun digitale infrastructuur serieus nemen.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “Eviden Digital Security NL (voorheen Motiv) is dé cybersecurity-specialist die organisaties in de publieke en private sector voorziet van IT- beveiligingsoplossingen en –diensten…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “We unburden companies in the field of cyber security.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Partial evidence “We are your cyber security partners, delivering end-to-end value based on the four structural pillars of cyber security: identity, infrastructure, endpoint and monitoring.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Indirect evidence “0ver Yafsec Yafsec (zeg maar jaf-sek) is gespecialiseerd in het beveiligen van netwerkstructuren gekoppeld aan het Internet.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “vanderVoort Cyber Security is a cyber security consultancy firm specialized in helping clients getting in control of their cyber security.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity for city infrastructure. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cybersecurity for city infrastructure.
- Partial evidence
- Its own public description names part of cybersecurity for city infrastructure, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity for city infrastructure. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 21 of 46 cybersecurity for city infrastructure based in the Netherlands
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Cybersecurity for city infrastructure based in the Netherlands at a glance
As of Sep 1, 2026Companies by employee count
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 cybersecurity for city infrastructure, 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 Netherlands whose own description of what they do matches “cybersecurity for city infrastructure”. 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 cybersecurity for city infrastructure), 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 cybersecurity for city infrastructure, and records with no verified work email. Companies headquartered outside Netherlands 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, 286 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 1, 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 cybersecurity for city infrastructure, 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 cybersecurity for city infrastructure are there based in the Netherlands?
RevenueBase identified 46 cybersecurity for city infrastructure headquartered in the Netherlands 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?
Fox-It, headquartered in Gk, tops this list with the largest team on record.
Which city has the most cybersecurity for city infrastructure?
Amsterdam leads with 6 headquartered companies, followed by Breda (3) and Rotterdam (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 286 verified decision-maker contacts tracked across these 46 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 1, 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.
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