Company lists · Data verified August 2026

Top 25 Cybersecurity staffing based in the Netherlands

There are 279 cybersecurity staffing headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 21,551 professional contacts across them, including 12,143 with verified work emails and 6,405 with mobile numbers. Amsterdam is the largest hub.

This list covers cybersecurity staffing 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.

279Companies
21,551Contacts tracked
12,143Verified emails
6,405Mobile numbers
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The 25 largest cybersecurity staffing based in the Netherlands

Ranked by team size
Top 25 of 279 cybersecurity staffing 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
1Palo Alto NetworksHe10001+18,43011,119
2Outpost24Xx201-500276132
3Fox-ItGk201-500237128
4EYE SecurityDen Haag201-500210114
5ComsecAmsterdam51-20014017
6PinewoodXj51-20010625
7On2it CybersecurityLj51-2008344
8NedscaperAmsterdam51-2005937
9Hunt & HackettThe Hague51-2004023
10Surelock IT Security ServicesWoerden11-503733
11Bluedutch Detachering B.VRijswijk11-503117
12The S-UnitUtrecht11-502819
13Tachyon Security BVRijswijk11-502713
14CybermeisterDeventer51-200271
15Lemonshark CybersecurityUtrecht11-502521
16Un1quelyn/a11-502316
17Harbers Group By AlistarLichtenvoorde11-502314
18Threadstone Cyber SecurityKm11-502313
19FalconforceUtrecht11-502011
20SecuresultThe Hague11-50198
21Cyber SealsUtrecht11-50159
22HOB ICT SecurityLopik11-501411
23Immutec B.VKd11-50138
24Schippers IT Your Digital SpecialistOosterhout11-50138
25MODATn/a11-50136

Showing 25 of 279 cybersecurity staffing based in the Netherlands

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Cybersecurity staffing based in the Netherlands at a glance

As of Aug 28, 2026
1-10Median size (employees)
AmsterdamLargest hub · 30 HQs
6,405Contacts with mobile numbers
19Emails re-verified in last 30 days

Companies by employee count

1-10
177
11-50
72
51-200
18
201-500
8
501-1,000
1
1,001-5,000
2
10001+
1

Cybersecurity staffing by metro

MetroCompanies
Cybersecurity staffing in Amsterdam30
Cybersecurity staffing in Utrecht9
Cybersecurity staffing in Rotterdam8
Cybersecurity staffing in Eindhoven8
Cybersecurity staffing in The Hague7
Cybersecurity staffing in Groningen5
Cybersecurity staffing in Pv4

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 staffing”, 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; 19 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 staffing are there based in the Netherlands?

There are 279 cybersecurity staffing headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Palo Alto Networks, headquartered in He, tops this list with the largest team on record.

Which city has the most cybersecurity staffing?

Amsterdam leads with 30 headquartered companies, followed by Utrecht (9) and Rotterdam (8).

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 12,143 verified decision-maker contacts tracked across these 279 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.