Company lists · Data verified August 2026

Top 25 Cybersecurity risk assessment firms based in the Netherlands

There are 342 cybersecurity risk assessment firms headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 2,627 professional contacts across them, including 814 with verified work emails and 152 with mobile numbers. Amsterdam is the largest hub.

This list covers cybersecurity risk assessment firms headquartered in the Netherlands, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

342Companies
2,627Contacts tracked
814Verified emails
152Mobile numbers
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The 25 largest cybersecurity risk assessment firms based in the Netherlands

Ranked by team size
Top 25 of 342 cybersecurity risk assessment firms based in the Netherlands, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Outpost24Xx201-500276132
2Fox-ItGk201-500237128
3ComsecAmsterdam51-20014017
4Breachlock, INCAmsterdam51-20013629
5PinewoodXj51-20010625
6Hunt & HackettThe Hague51-2004023
7SecurifyCa11-503827
8Surelock IT Security ServicesWoerden11-503733
9Lemonshark CybersecurityUtrecht11-502521
10LBVDDelft11-50245
11Threadstone Cyber SecurityKm11-502313
12SecuresultThe Hague11-50198
13DongitXc11-501811
14Reqon B.VLeiderdorp11-501611
15Signpost SIXThe Hague11-50169
16Cyber SealsUtrecht11-50159
17HOB ICT SecurityLopik11-501411
18Schippers IT Your Digital SpecialistOosterhout11-50138
19MODATn/a11-50136
20Safetech P&r GroepJv11-50131
21Secwatch B.VAlmere11-50118
22Masero Cyber SecurityVeenendaal11-50115
23IncyberAmersfoort11-501010
24Cyber Security ChallengersJd11-5099
25ONVIOGv11-5095

Showing 25 of 342 cybersecurity risk assessment firms based in the Netherlands

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Cybersecurity risk assessment firms based in the Netherlands at a glance

As of Aug 28, 2026
1-10Median size (employees)
AmsterdamLargest hub · 39 HQs
152Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
250
11-50
69
51-200
14
201-500
8
1,001-5,000
1

Cybersecurity risk assessment firms by metro

MetroCompanies
Cybersecurity risk assessment firms in Amsterdam39
Cybersecurity risk assessment firms in Utrecht14
Cybersecurity risk assessment firms in The Hague13
Cybersecurity risk assessment firms in Rotterdam11
Cybersecurity risk assessment firms in Amersfoort7
Cybersecurity risk assessment firms in Eindhoven7
Cybersecurity risk assessment firms in Almere7

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “cybersecurity risk assessment firms”, with match quality audited by blind human judging, and headquartered in the Netherlands.
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
Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity risk assessment firms are there based in the Netherlands?

There are 342 cybersecurity risk assessment firms headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Outpost24, headquartered in Xx, tops this list with the largest team on record.

Which city has the most cybersecurity risk assessment firms?

Amsterdam leads with 39 headquartered companies, followed by Utrecht (14) and The Hague (13).

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 814 verified decision-maker contacts tracked across these 342 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.