Company lists · Data verified August 2026

Top 25 Computer security companies based in the Netherlands

Name: Computer security 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 85 companies tracked

There are 85 computer security companies headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 19,238 professional contacts across them, including 11,420 with verified work emails and 6,307 with mobile numbers. Amsterdam is the largest hub.

This list covers computer security 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.

85Companies

19,238Contacts tracked

11,420Verified emails

6,307Mobile numbers

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The 25 largest computer security companies based in the Netherlands

Ranked by team size

Top 25 of 85 computer security 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	Fox-It	Gk	201-500	237	128
3	Hunt & Hackett	The Hague	51-200	40	23
4	Bgtek Cyber Security	Xw	11-50	33	9
5	Tachyon Security BV	Rijswijk	11-50	27	13
6	Threadstone Cyber Security	Km	11-50	23	13
7	Securesult	The Hague	11-50	19	8
8	Route443	Heerlen	11-50	16	10
9	MODAT	n/a	11-50	13	6
10	Sirius Security	Bj	1-10	12	3
11	Secwatch B.V	Almere	11-50	11	8
12	Sofecta Labs	Amsterdam	1-10	11	8
13	Amitron It-Security	Db	11-50	10	6
14	Cert2connect	Ad	1-10	9	7
15	Waker Cyber Security	Zuidlaren	11-50	9	5
16	Guardian360 B.V	Rotterdam	11-50	9	4
17	Yoursafetynet	Oosterhout	11-50	9	2
18	Data4 Cyber Security	Maastricht-Airport	11-50	8	7
19	Attic Security	Cj	11-50	7	5
20	Nerium	Ae	1-10	7	4
21	Datect	Al	11-50	6	3
22	Netkey Security	Zk	1-10	5	2
23	NEO Security	Amsterdam	11-50	5	1
24	Proteqtor IT Security	Pv	1-10	4	4
25	Titanium24	Ijsselstein	1-10	4	2

Showing 25 of 85 computer security companies based in the Netherlands

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Computer security companies based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 7 HQs

6,307Contacts with mobile numbers

53Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Computer security companies by metro

Metro	Companies
Computer security companies in Amsterdam	7
Computer security companies in The Hague	5
Computer security companies in Groningen	4
Computer security companies in Amersfoort	2
Computer security companies in Bj	2
Computer security companies in Rotterdam	2
Computer security companies in Vv	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 “computer security 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; 53 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 computer security companies are there based in the Netherlands?

There are 85 computer security 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 computer security companies?

Amsterdam leads with 7 headquartered companies, followed by The Hague (5) and Groningen (4).

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 11,420 verified decision-maker contacts tracked across these 85 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.