Company lists · Data verified August 2026

Top 25 Cybersecurity skills testing platforms based in the Netherlands

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 77 companies tracked

There are 77 cybersecurity skills testing platforms headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 438 professional contacts across them, including 165 with verified work emails and 46 with mobile numbers. Amsterdam is the largest hub.

This list covers cybersecurity skills testing platforms 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.

77Companies

438Contacts tracked

165Verified emails

46Mobile numbers

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The 25 largest cybersecurity skills testing platforms based in the Netherlands

Ranked by team size

Top 25 of 77 cybersecurity skills testing platforms 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	Tstc ICT & Security Trainingen	Veenendaal	11-50	77	4
2	Securify	Ca	11-50	38	27
3	Surelock IT Security Services	Woerden	11-50	37	33
4	The S-Unit	Utrecht	11-50	28	19
5	Awaretrain Security Awareness	Bb	11-50	26	17
6	LBVD	Delft	11-50	24	5
7	MODAT	n/a	11-50	13	6
8	Secwatch B.V	Almere	11-50	11	8
9	Cyber Security District	n/a	1-10	11	4
10	Cyber Cloud	Bleskensgraaf	1-10	10	8
11	ONVIO	Gv	11-50	9	5
12	Qualityhouse	Ll	51-200	9	1
13	Websec B.V	Cd	11-50	7	1
14	Blueprint Cyber Security	The Hague	11-50	6	1
15	Secured By Design	Eb	11-50	6	1
16	Proctorexam	Kl	11-50	5	2
17	Shellback	Ea	1-10	5	1
18	CREDS	Ad	1-10	4	3
19	Cyberant	Zeewolde	1-10	4	2
20	Tozetta	Aa	1-10	3	3
21	Socured Cybersecurity	Amsterdam	1-10	3	2
22	Codean Labs	Kv	1-10	3	2
23	Virtual Hacking Labs	Haarlem	1-10	2	1
24	Isoc24	Ak	11-50	1	1
25	hackurity.io	Rotterdam	1-10	1	1

Showing 25 of 77 cybersecurity skills testing platforms based in the Netherlands

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Cybersecurity skills testing platforms based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 13 HQs

46Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity skills testing platforms by metro

Metro	Companies
Cybersecurity skills testing platforms in Amsterdam	13
Cybersecurity skills testing platforms in Utrecht	4
Cybersecurity skills testing platforms in Rotterdam	3
Cybersecurity skills testing platforms in Den Haag	3
Cybersecurity skills testing platforms in The Hague	3
Cybersecurity skills testing platforms in Eindhoven	3
Cybersecurity skills testing platforms in Ad	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 skills testing platforms”, 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 skills testing platforms are there based in the Netherlands?

There are 77 cybersecurity skills testing platforms headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Tstc ICT & Security Trainingen, headquartered in Veenendaal, tops this list with the largest team on record.

Which city has the most cybersecurity skills testing platforms?

Amsterdam leads with 13 headquartered companies, followed by Utrecht (4) and Rotterdam (3).

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 165 verified decision-maker contacts tracked across these 77 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.