Company lists · Data refreshed September 2026

Top 18 Infrastructure hardening contractors based in the Netherlands

Name: Infrastructure hardening contractors based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 46 companies tracked

RevenueBase identified 46 company matches for infrastructure hardening contractors associated with the Netherlands as of September 2026 and tracks 470 professional contacts across them, including 200 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for infrastructure hardening contractors associated with the Netherlands, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

46Companies

470Contacts tracked

200Verified emails

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The 18 largest infrastructure hardening contractors based in the Netherlands

Ranked by team size

Top 18 of 46 company matches for infrastructure hardening contractors based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Fox-It	Exact match	Rijswijk, NetherlandsHQ recorded Sep 17, 2026	201-500	233 contacts →
	Exact match “Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Bavak Security Group	Exact match	Noordwijk, NetherlandsHQ recorded Sep 17, 2026	51-200	26 contacts →
	Exact match “Bavak Security Group, founded in 1975, is a leading security systems integrator providing security solutions for critical infrastructure, government buildings and corporate…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Threadstone Cyber Security	Exact match	Rotterdam, NetherlandsHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Dongit	Exact match	Leiden, NetherlandsHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “DongIT is an independent web security and web development company specializing in penetration testing, secure software development, and custom-built web applications.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Base Cyber Security	Exact match	Rotterdam, NetherlandsHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Base is a niche consultancy & managed security solutions provider, offering services enabling organizations, and professionals, to build knowledge & capabilities in information…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Safetech P&r Groep	Exact match	Waddinxveen, NetherlandsHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Safetech is een adviserend ingenieursbureau gespecialiseerd in beveiligingsadviezen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Comsafe Beveiligingstechniek	Exact match	Volendam, NetherlandsHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “ComSafe biedt de beste en voordeligste oplossingen op het terrein van beveiligingstechniek.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Security Risk Watch	Exact match	Uddel, NetherlandsHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Security Risk Watch staat voor een verfrissende, strategische en deskundige aanpak.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	R&t Consultancy Nederland	Exact match	Dinteloord, NetherlandsHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “R&T consultancy is an independent consultancy firm specialized in security in the broadest sense of the word.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Cqure Consulting	Exact match	Hj, NetherlandsHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Het internet ontvouwt zich sinds de jaren 90 in razendsnel tempo.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Secuza Consulting	Exact match	Vleuten, NetherlandsHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “At Secuza, we enable our customers in improving their business operations by leveraging our industry-wide experience, expertise in cutting-edge technology and an extensive…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Redteam Cyber Security B.V	Exact match	Arnhem, NetherlandsHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Het is voor onze economie en samenleving essenstiel dat digitale infrastructuren betrouwbaar en beschikbaar zijn.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Pure Networks & Security	Exact match	Best, NetherlandsHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Pure Networks & Security is mainly a independent consulting company for networking and security.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Stolwijk & VAN Onselen Consultancy BV	Exact match	Amsterdam, NetherlandsHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Stolwijk & Van Onselen Consultancy is het onafhankelijk beveiligingsadviesbureau voor de hoog residentiële markt, bedrijven, instellingen en organisaties.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Adviesbureau Onderzoeksbureau Forta Nova	Exact match	Capelle Aan Den Ijssel, NetherlandsHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Adviesbureau \| Onderzoeksbureau Forta Nova is uw partner als het gaat om de veiligheid van u en wat u dierbaar is!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Vandervoort Cyber Security	Exact match	The Hague, NetherlandsHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “vanderVoort Cyber Security is a cyber security consultancy firm specialized in helping clients getting in control of their cyber security.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	cyber-consult.org	Exact match	NetherlandsHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Cyber Consult is a privately owned company that provides independent information security consulting, advice, and coaching to government agencies and private sector companies…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Yafsec	Exact match	Dedemsvaart, NetherlandsHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “0ver Yafsec Yafsec (zeg maar jaf-sek) is gespecialiseerd in het beveiligen van netwerkstructuren gekoppeld aan het Internet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “infrastructure hardening contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 18 of 46 infrastructure hardening contractors based in the Netherlands

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Infrastructure hardening contractors based in the Netherlands at a glance

As of Sep 17, 2026

42.6%Verified-email coverage

10.2Average contacts per company

1-10Median size (employees)

8.7%Largest-city concentration · Amsterdam

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 46 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the Netherlands whose business descriptions match “infrastructure hardening contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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: Every displayed company carries at least one verified work email. RevenueBase tracks 200 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “infrastructure hardening contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure hardening contractors are there based in the Netherlands?

RevenueBase identified 46 company matches for infrastructure hardening contractors associated with the Netherlands as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Fox-It tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure hardening contractors?

Amsterdam leads with 4 company records, followed by Groningen (2) and The Hague (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 200 professional contacts with verified work emails tracked across these 46 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.