Company lists · Data refreshed November 2026

Top 25 Cyber incident response companies based in the Netherlands

RevenueBase identified 88 company matches for cyber incident response companies associated with the Netherlands as of November 2026 and tracks 3,733 professional contacts across them, including 647 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for cyber incident response companies 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 6, 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 6, 2026 How this list was built
88Companies
3,733Contacts tracked
647Verified emails
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The 25 largest cyber incident response companies based in the Netherlands

Ranked by team size
Top 25 of 88 company matches for cyber incident response companies based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 6, 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 6, 2026 · View company records in RevenueBase
2Exact matchNieuwegein, NetherlandsHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“Tesorion is een Nederlandse, onafhankelijke Managed Security Services Provider (MSSP).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Hunt & Hackett helps European companies prevent, detect and respond to today’s most advanced adversaries, safeguarding them against cyberthreats and espionage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVlaardingen, NetherlandsHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“H2K provides knowledge on incidents response and incidents control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRijswijk, NetherlandsHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“In recent years there has been an impressive growth of (serious) cyber security incidents in our digital vital infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLopik, NetherlandsHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202611-5018 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Modat is a European Internet Intelligence company helping organisations understand the intent behind internet infrastructure before it is weaponised.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAlkmaar, NetherlandsHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
10Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Democratizing Cybersecurity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEindhoven, NetherlandsHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Nerium is a cyber security company specialized in monitoring, detecting, and responding to digital attacks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCapelle Aan Den Ijssel, NetherlandsHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Cyber7 Cyber Security Consultancy”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchZuidlaren, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Waker Cyber Security is hét cybersecuritybedrijf van het Noorden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Bescherm uw kritische dienstverlening, intellectuele eigendommen en gevoelige data met het managed detection and response systeem van SBL Cybermonitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMaastricht-airport, NetherlandsHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Zoekt u digitale rust en zekerheid?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Invictus Incident Response specializes in cloud incident response, delivering cyber incident support: helping you prepare for incidents, respond to incidents, and get back on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNieuw-vennep, NetherlandsHQ recorded Nov 6, 202611-506 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNaarden, NetherlandsHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Met Datect kun je met een gerust gevoel blijven werken aan je onderneming.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAn, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Enwere is opgericht in 2017 en richt zich als cyber security organisatie op het ondersteunen van klanten in hun cyberweerbaarheid journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBm, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Absolute Security is een Nederlands cybersecuritybedrijf, dat begin 2020 is opgericht door een aantal voormalig IBM-medewerkers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchEindhoven, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Venation is the evidence layer for security and compliance teams.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWeert, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Shellback is an enthusiastic and dedicated team of security specialists based in Weert.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
24Exact matchSittard, NetherlandsHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Be s(ec)ure!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Neo Security: Wij denken als aanvallers met de kennis van engineers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 88 cyber incident response companies based in the Netherlands

See the full list, filter by size, metro and specialty, and access 647 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cyber incident response companies based in the Netherlands at a glance

As of Nov 6, 2026
17.3%Verified-email coverage
42.4Average contacts per company
11-50Median size (employees)
12.5%Largest-city concentration · Amsterdam
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
29
51-200
10
201-500
4
1,001-5,000
2

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 88 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 “cyber incident response 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 647 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 6, 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 “cyber incident response companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cyber incident response companies are there based in the Netherlands?

RevenueBase identified 88 company matches for cyber incident response companies 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 cyber incident response companies?

Amsterdam leads with 11 company records, followed by The Hague (6) and Groningen (3).

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 647 professional contacts with verified work emails tracked across these 88 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 6, 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.