Company lists · Data verified August 2026

Top 25 Api security companies based in the Netherlands

Name: Api 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 112 companies tracked

There are 112 api security companies headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 1,232 professional contacts across them, including 385 with verified work emails and 59 with mobile numbers. Amsterdam is the largest hub.

This list covers api 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.

112Companies

1,232Contacts tracked

385Verified emails

59Mobile numbers

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The 25 largest api security companies based in the Netherlands

Ranked by team size

Top 25 of 112 api 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	Fox-It	Gk	201-500	237	128
2	Pinewood	Xj	51-200	106	25
3	Securify	Ca	11-50	38	27
4	Surelock IT Security Services	Woerden	11-50	37	33
5	LBVD	Delft	11-50	24	5
6	Threadstone Cyber Security	Km	11-50	23	13
7	Dongit	Xc	11-50	18	11
8	HOB ICT Security	Lopik	11-50	14	11
9	Base Cyber Security	Ak	11-50	14	3
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	Cyber Cloud	Bleskensgraaf	1-10	10	8
14	Linksecure	Vj	1-10	10	6
15	Cyber Security Challengers	Jd	11-50	9	9
16	Cert2connect	Ad	1-10	9	7
17	ONVIO	Gv	11-50	9	5
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	Websec B.V	Cd	11-50	7	1
22	Netboss BV	Dx	11-50	6	4
23	Symmetry Cyber Intelligence	Amsterdam	1-10	6	3
24	Cqure Consulting	Hj	11-50	5	1
25	Shellback	Ea	1-10	5	1

Showing 25 of 112 api security companies based in the Netherlands

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Api security companies based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 19 HQs

59Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Api security companies by metro

Metro	Companies
Api security companies in Amsterdam	19
Api security companies in Groningen	4
Api security companies in Rotterdam	3
Api security companies in Eindhoven	3
Api security companies in Ak	2
Api security companies in Breda	2
Api security companies in Zeist	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 “api 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; 1 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 api security companies are there based in the Netherlands?

There are 112 api security companies headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Fox-It, headquartered in Gk, tops this list with the largest team on record.

Which city has the most api security companies?

Amsterdam leads with 19 headquartered companies, followed by Groningen (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 385 verified decision-maker contacts tracked across these 112 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.