Company lists · Data verified August 2026

Top 25 Cybersecurity threat detection companies based in the Netherlands

Name: Cybersecurity threat detection companies based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 107 companies tracked

There are 107 cybersecurity threat detection companies headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 20,094 professional contacts across them, including 11,716 with verified work emails and 6,338 with mobile numbers. Amsterdam is the largest hub.

This list covers cybersecurity threat detection companies 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.

107Companies

20,094Contacts tracked

11,716Verified emails

6,338Mobile numbers

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The 25 largest cybersecurity threat detection companies based in the Netherlands

Ranked by team size

Top 25 of 107 cybersecurity threat detection companies based in the Netherlands, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Palo Alto Networks	He	10001+	18,430	11,119
2	Outpost24	Xx	201-500	276	132
3	Fox-It	Gk	201-500	237	128
4	Tesorion	Nieuwegein	51-200	92	56
5	Nedscaper	Amsterdam	51-200	59	37
6	Radiflow	Xk	51-200	42	18
7	Hunt & Hackett	The Hague	51-200	40	23
8	Bgtek Cyber Security	Xw	11-50	33	9
9	Un1quely	n/a	11-50	23	16
10	Threadstone Cyber Security	Km	11-50	23	13
11	Securesult	The Hague	11-50	19	8
12	Virtualmetric	Amsterdam	11-50	18	14
13	Defenced Cyber Security	Eindhoven	11-50	18	11
14	Route443	Heerlen	11-50	16	10
15	HOB ICT Security	Lopik	11-50	14	11
16	Eightfence	Rotterdam	11-50	14	6
17	Cflw Cyber Strategies	The Hague	11-50	13	7
18	MODAT	n/a	11-50	13	6
19	Sirius Security	Bj	1-10	12	3
20	Sofecta Labs	Amsterdam	1-10	11	8
21	Siberson	Xv	11-50	11	6
22	Reaqta, An IBM Company	Hl	11-50	9	7
23	Cert2connect	Ad	1-10	9	7
24	Guardian360 B.V	Rotterdam	11-50	9	4
25	Data4 Cyber Security	Maastricht-Airport	11-50	8	7

Showing 25 of 107 cybersecurity threat detection companies based in the Netherlands

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Cybersecurity threat detection companies based in the Netherlands at a glance

As of Aug 28, 2026

11-50Median size (employees)

AmsterdamLargest hub · 13 HQs

6,338Contacts with mobile numbers

19Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Cybersecurity threat detection companies by metro

Metro	Companies
Cybersecurity threat detection companies in Amsterdam	13
Cybersecurity threat detection companies in The Hague	6
Cybersecurity threat detection companies in Rotterdam	5
Cybersecurity threat detection companies in Amersfoort	3
Cybersecurity threat detection companies in Heerlen	2
Cybersecurity threat detection companies in Xw	2
Cybersecurity threat detection companies in Ak	2

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 threat detection companies”, 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 threat detection companies are there based in the Netherlands?

There are 107 cybersecurity threat detection companies 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 threat detection companies?

Amsterdam leads with 13 headquartered companies, followed by The Hague (6) and Rotterdam (5).

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 11,716 verified decision-maker contacts tracked across these 107 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.