Company lists · Data verified August 2026

Top 25 Cryptography consulting firms based in the Netherlands

Name: Cryptography consulting 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 76 companies tracked

There are 76 cryptography consulting firms headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 644 professional contacts across them, including 293 with verified work emails and 34 with mobile numbers. Amsterdam is the largest hub.

This list covers cryptography consulting 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.

76Companies

644Contacts tracked

293Verified emails

34Mobile numbers

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The 25 largest cryptography consulting firms based in the Netherlands

Ranked by team size

Top 25 of 76 cryptography consulting 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	Fox-It	Gk	201-500	237	128
2	Dataexpert	Pd	51-200	114	65
3	Ferwerda Beveiliging	Groningen	11-50	30	9
4	Avensus	Kk	11-50	26	15
5	LBVD	Delft	11-50	24	5
6	Vest Information Security	Al	11-50	23	16
7	First Privacy	Amsterdam	11-50	17	10
8	Argis IT Consultants	Zwolle	1-10	15	8
9	Safetech P&r Groep	Jv	11-50	13	1
10	Privacyteam	Lc	11-50	12	7
11	Soteryan	Amsterdam	11-50	8	3
12	Cqure Consulting	Hj	11-50	5	1
13	Secuza Consulting	Vleuten	1-10	4	1
14	PSG Recherche	At	11-50	3	3
15	Cerberos	Jn	1-10	3	2
16	thefir.io	Amsterdam	1-10	3	2
17	Defzero	n/a	1-10	3	1
18	Global Secure	Tegelen	1-10	3	1
19	Stolwijk & VAN Onselen Consultancy BV	Amsterdam	1-10	2	2
20	Digital Identity Consulting	Amsterdam	1-10	2	2
21	Pure Networks & Security	Best	1-10	2	2
22	Strongwood Consultancy	Amsterdam	11-50	1	1
23	Cryptography In Context	Utrecht	1-10	1	1
24	Privacy Network	Pijnacker	1-10	1	1
25	cyber-consult.org	Netherlands	1-10	1	1

Showing 25 of 76 cryptography consulting firms based in the Netherlands

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Cryptography consulting firms based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 9 HQs

34Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cryptography consulting firms by metro

Metro	Companies
Cryptography consulting firms in Amsterdam	9
Cryptography consulting firms in Utrecht	3
Cryptography consulting firms in Groningen	2
Cryptography consulting firms in Zoetermeer	2
Cryptography consulting firms in Delft	2
Cryptography consulting firms in Zwolle	2
Cryptography consulting firms in Dc	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 “cryptography consulting 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; 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 cryptography consulting firms are there based in the Netherlands?

There are 76 cryptography consulting firms 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 cryptography consulting firms?

Amsterdam leads with 9 headquartered companies, followed by Utrecht (3) and Groningen (2).

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 293 verified decision-maker contacts tracked across these 76 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.