Company lists · Data verified August 2026

Top 25 Cybersecurity firms based in the Netherlands

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 593 companies tracked

There are 593 cybersecurity firms headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 23,752 professional contacts across them, including 13,090 with verified work emails and 6,566 with mobile numbers. Amsterdam is the largest hub.

This list covers cybersecurity 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.

593Companies

23,752Contacts tracked

13,090Verified emails

6,566Mobile numbers

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The 25 largest cybersecurity firms based in the Netherlands

Ranked by team size

Top 25 of 593 cybersecurity 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Palo Alto Networks	He	10001+	18,430	11,119
2	Nationaal Cyber Security Centrum Ncsc-Nl	Dp	201-500	277	173
3	Outpost24	Xx	201-500	276	132
4	Fox-It	Gk	201-500	237	128
5	EYE Security	Den Haag	201-500	210	114
6	Conscia Nederland	Ah	201-500	153	119
7	Comsec	Amsterdam	51-200	140	17
8	Breachlock, INC	Amsterdam	51-200	136	29
9	Dataexpert	Pd	51-200	114	65
10	Pinewood	Xj	51-200	106	25
11	Tesorion	Nieuwegein	51-200	92	56
12	On2it Cybersecurity	Lj	51-200	83	44
13	Nedscaper	Amsterdam	51-200	59	37
14	Group 2000	Almelo	51-200	50	19
15	ASB Security	Eindhoven	51-200	48	21
16	Infinigate Nederland	Aw	1,001-5,000	44	20
17	Radiflow	Xk	51-200	42	18
18	Nfir B.V	Rijswijk	51-200	41	28
19	Hunt & Hackett	The Hague	51-200	40	23
20	Navaio IT Security	Haarlem	11-50	30	20
21	Bavak Security Group	Noordwijk	51-200	27	16
22	Tachyon Security BV	Rijswijk	11-50	27	13
23	Cybermeister	Deventer	51-200	27	1
24	Lemonshark Cybersecurity	Utrecht	11-50	25	21
25	Un1quely	n/a	11-50	23	16

Showing 25 of 593 cybersecurity firms based in the Netherlands

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Cybersecurity firms based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 70 HQs

6,566Contacts with mobile numbers

19Emails re-verified in last 30 days

Companies by employee count

1-10

403

11-50

132

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity firms by metro

Metro	Companies
Cybersecurity firms in Amsterdam	70
Cybersecurity firms in The Hague	22
Cybersecurity firms in Rotterdam	20
Cybersecurity firms in Utrecht	20
Cybersecurity firms in Eindhoven	19
Cybersecurity firms in Den Haag	8
Cybersecurity firms in Zwolle	8

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 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; 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 firms are there based in the Netherlands?

There are 593 cybersecurity firms 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 firms?

Amsterdam leads with 70 headquartered companies, followed by The Hague (22) and Rotterdam (20).

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 13,090 verified decision-maker contacts tracked across these 593 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.